lighttpd 1.4.x https://www.lighttpd.net/
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#include "first.h"
#include "buffer.h"
#include "settings.h" /* BUFFER_MAX_REUSE_SIZE */
#include <stdlib.h>
#include <string.h>
#include <time.h> /* strftime() */
static const char hex_chars_lc[] = "0123456789abcdef";
static const char hex_chars_uc[] = "0123456789ABCDEF";
/**
* init the buffer
*
*/
buffer* buffer_init(void) {
buffer *b;
b = malloc(sizeof(*b));
force_assert(b);
b->ptr = NULL;
b->size = 0;
b->used = 0;
return b;
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
buffer *buffer_init_buffer(const buffer *src) {
buffer *b = buffer_init();
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
buffer_copy_buffer(b, src);
return b;
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
buffer *buffer_init_string(const char *str) {
buffer *b = buffer_init();
buffer_copy_string(b, str);
return b;
}
void buffer_free(buffer *b) {
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
if (NULL == b) return;
free(b->ptr);
free(b);
}
__attribute_cold__
static void buffer_free_ptr(buffer *b) {
free(b->ptr);
b->ptr = NULL;
b->used = 0;
b->size = 0;
}
void buffer_reset(buffer *b) {
force_assert(NULL != b);
b->used = 0;
/* release buffer larger than ... bytes */
if (b->size > BUFFER_MAX_REUSE_SIZE) buffer_free_ptr(b);
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_move(buffer *b, buffer *src) {
buffer tmp;
force_assert(NULL != b);
force_assert(NULL != src);
buffer_clear(b);
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
tmp = *src; *src = *b; *b = tmp;
}
/* make sure buffer is at least "size" big + 1 for '\0'. keep old data */
__attribute_cold__
static void buffer_realloc(buffer *b, size_t len) {
#define BUFFER_PIECE_SIZE 64uL /*(must be power-of-2)*/
const size_t sz = (len + 1 + BUFFER_PIECE_SIZE-1) & ~(BUFFER_PIECE_SIZE-1);
force_assert(sz > len);
b->size = sz;
b->ptr = realloc(b->ptr, sz);
force_assert(NULL != b->ptr);
}
__attribute_cold__
static void buffer_alloc_replace(buffer *b, size_t size) {
/*(discard old data so realloc() does not copy)*/
if (NULL != b->ptr) {
free(b->ptr);
b->ptr = NULL;
}
buffer_realloc(b, size);
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
}
char* buffer_string_prepare_copy(buffer *b, size_t size) {
force_assert(NULL != b);
if (size >= b->size) buffer_alloc_replace(b, size);
b->used = 0;
return b->ptr;
}
char* buffer_string_prepare_append(buffer *b, size_t size) {
force_assert(NULL != b);
if (b->used && size < b->size - b->used)
return b->ptr + b->used - 1;
if (buffer_string_is_empty(b)) {
return buffer_string_prepare_copy(b, size);
} else {
/* not empty, b->used already includes a terminating 0 */
size_t req_size = b->used + size;
/* check for overflow: unsigned overflow is defined to wrap around */
force_assert(req_size >= b->used);
buffer_realloc(b, req_size);
return b->ptr + b->used - 1;
}
}
void buffer_string_set_length(buffer *b, size_t len) {
force_assert(NULL != b);
if (len >= b->size) buffer_realloc(b, len);
b->used = len + 1;
b->ptr[len] = '\0';
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_commit(buffer *b, size_t size)
{
force_assert(NULL != b);
force_assert(b->size > 0);
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
if (0 == b->used) b->used = 1;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
if (size > 0) {
/* check for overflow: unsigned overflow is defined to wrap around */
size_t sz = b->used + size;
force_assert(sz > b->used);
force_assert(sz <= b->size);
b->used = sz;
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
b->ptr[b->used - 1] = '\0';
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_copy_string(buffer *b, const char *s) {
buffer_copy_string_len(b, s, NULL != s ? strlen(s) : 0);
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_copy_string_len(buffer *b, const char *s, size_t s_len) {
force_assert(NULL != b);
force_assert(NULL != s || s_len == 0);
if (s_len >= b->size) buffer_string_prepare_copy(b, s_len);
if (0 != s_len) memcpy(b->ptr, s, s_len); /*(s might be NULL)*/
b->ptr[s_len] = '\0';
b->used = s_len + 1;
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_append_string(buffer *b, const char *s) {
buffer_append_string_len(b, s, NULL != s ? strlen(s) : 0);
}
/**
* append a string to the end of the buffer
*
* the resulting buffer is terminated with a '\0'
* s is treated as a un-terminated string (a \0 is handled a normal character)
*
* @param b a buffer
* @param s the string
* @param s_len size of the string (without the terminating \0)
*/
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_append_string_len(buffer *b, const char *s, size_t s_len) {
char *target_buf;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
force_assert(NULL != b);
force_assert(NULL != s || s_len == 0);
target_buf = buffer_string_prepare_append(b, s_len);
if (0 == b->used) ++b->used; /*(must include '\0' for append below)*/
/*(s might be NULL if 0 == s_len)*/
if (s_len) memcpy(target_buf, s, s_len);
target_buf[s_len] = '\0';
b->used += s_len;
}
void buffer_append_path_len(buffer *b, const char *a, size_t alen) {
size_t blen = buffer_string_length(b);
int aslash = (alen && a[0] == '/');
buffer_string_prepare_append(b, alen+2); /*(+ '/' and + '\0' if 0 == blen)*/
if (blen && b->ptr[blen-1] == '/') {
if (aslash) --b->used;
}
else {
if (!b->used) ++b->used;
if (!aslash) b->ptr[++b->used - 2] = '/';
}
memcpy(b->ptr+b->used-1, a, alen);
b->ptr[(b->used += alen)-1] = '\0';
}
void buffer_append_uint_hex_lc(buffer *b, uintmax_t value) {
char *buf;
unsigned int shift = 0;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
{
uintmax_t copy = value;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
do {
copy >>= 8;
shift += 8; /* counting bits */
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
} while (0 != copy);
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
buf = buffer_string_prepare_append(b, shift >> 2); /*nibbles (4 bits)*/
buffer_commit(b, shift >> 2); /* will fill below */
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
while (shift > 0) {
shift -= 4;
*(buf++) = hex_chars_lc[(value >> shift) & 0x0F];
}
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
static char* utostr(char * const buf_end, uintmax_t val) {
char *cur = buf_end;
do {
int mod = val % 10;
val /= 10;
/* prepend digit mod */
*(--cur) = (char) ('0' + mod);
} while (0 != val);
return cur;
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
static char* itostr(char * const buf_end, intmax_t val) {
/* absolute value not defined for INTMAX_MIN, but can take absolute
* value of any negative number via twos complement cast to unsigned.
* negative sign is prepended after (now unsigned) value is converted
* to string */
uintmax_t uval = val >= 0 ? (uintmax_t)val : ((uintmax_t)~val) + 1;
char *cur = utostr(buf_end, uval);
if (val < 0) *(--cur) = '-';
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
return cur;
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_append_int(buffer *b, intmax_t val) {
char buf[LI_ITOSTRING_LENGTH];
char* const buf_end = buf + sizeof(buf);
char *str;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
force_assert(NULL != b);
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
str = itostr(buf_end, val);
force_assert(buf_end > str && str >= buf);
buffer_append_string_len(b, str, buf_end - str);
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void buffer_copy_int(buffer *b, intmax_t val) {
force_assert(NULL != b);
b->used = 0;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
buffer_append_int(b, val);
}
void buffer_append_strftime(buffer *b, const char *format, const struct tm *tm) {
size_t r;
char* buf;
force_assert(NULL != b);
force_assert(NULL != format);
force_assert(NULL != tm);
buf = buffer_string_prepare_append(b, 255);
r = strftime(buf, buffer_string_space(b), format, tm);
/* 0 (in some apis buffer_string_space(b)) signals the string may have
* been too small; but the format could also just have lead to an empty
* string
*/
if (0 == r || r >= buffer_string_space(b)) {
/* give it a second try with a larger string */
buf = buffer_string_prepare_append(b, 4095);
r = strftime(buf, buffer_string_space(b), format, tm);
}
if (r >= buffer_string_space(b)) r = 0;
buffer_commit(b, r);
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void li_itostrn(char *buf, size_t buf_len, intmax_t val) {
char p_buf[LI_ITOSTRING_LENGTH];
char* const p_buf_end = p_buf + sizeof(p_buf);
char* str = p_buf_end - 1;
*str = '\0';
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
str = itostr(str, val);
force_assert(p_buf_end > str && str >= p_buf);
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
force_assert(buf_len >= (size_t) (p_buf_end - str));
memcpy(buf, str, p_buf_end - str);
}
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
void li_utostrn(char *buf, size_t buf_len, uintmax_t val) {
char p_buf[LI_ITOSTRING_LENGTH];
char* const p_buf_end = p_buf + sizeof(p_buf);
char* str = p_buf_end - 1;
*str = '\0';
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
str = utostr(str, val);
force_assert(p_buf_end > str && str >= p_buf);
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
force_assert(buf_len >= (size_t) (p_buf_end - str));
memcpy(buf, str, p_buf_end - str);
}
#define li_ntox_lc(n) ((n) <= 9 ? (n) + '0' : (n) + 'a' - 10)
char int2hex(char c) {
/*return li_ntox_lc(c & 0xF);*/
return hex_chars_lc[(c & 0x0F)];
}
/* c (char) and n (nibble) MUST be unsigned integer types */
#define li_cton(c,n) \
(((n) = (c) - '0') <= 9 || (((n) = ((c)&0xdf) - 'A') <= 5 ? ((n) += 10) : 0))
/* converts hex char (0-9, A-Z, a-z) to decimal.
* returns 0xFF on invalid input.
*/
char hex2int(unsigned char hex) {
unsigned char n;
return li_cton(hex,n) ? (char)n : 0xFF;
}
/**
* check if two buffer contain the same data
*/
int buffer_is_equal(const buffer *a, const buffer *b) {
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
force_assert(NULL != a && NULL != b);
/* 1 = equal; 0 = not equal */
return (a->used == b->used && 0 == memcmp(a->ptr, b->ptr, a->used));
}
int buffer_is_equal_string(const buffer *a, const char *s, size_t b_len) {
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
force_assert(NULL != a && NULL != s);
force_assert(b_len + 1 > b_len);
/* 1 = equal; 0 = not equal */
return (a->used == b_len + 1 && 0 == memcmp(a->ptr, s, b_len));
}
/* buffer_is_equal_caseless_string(b, CONST_STR_LEN("value")) */
int buffer_is_equal_caseless_string(const buffer *a, const char *s, size_t b_len) {
force_assert(NULL != a && NULL != s);
force_assert(b_len + 1 > b_len);
/* 1 = equal; 0 = not equal */
return (a->used == b_len + 1 && 0 == strncasecmp(a->ptr, s, b_len));
}
int buffer_caseless_compare(const char *a, size_t a_len, const char *b, size_t b_len) {
size_t const len = (a_len < b_len) ? a_len : b_len;
size_t i;
for (i = 0; i < len; ++i) {
unsigned char ca = a[i], cb = b[i];
if (ca == cb) continue;
/* always lowercase for transitive results */
if (ca >= 'A' && ca <= 'Z') ca |= 32;
if (cb >= 'A' && cb <= 'Z') cb |= 32;
if (ca == cb) continue;
return ((int)ca) - ((int)cb);
}
if (a_len == b_len) return 0;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
return a_len < b_len ? -1 : 1;
}
int buffer_is_equal_right_len(const buffer *b1, const buffer *b2, size_t len) {
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
/* no len -> equal */
if (len == 0) return 1;
/* len > 0, but empty buffers -> not equal */
if (b1->used == 0 || b2->used == 0) return 0;
/* buffers too small -> not equal */
if (b1->used - 1 < len || b2->used - 1 < len) return 0;
fix buffer, chunk and http_chunk API * remove unused structs and functions (buffer_array, read_buffer) * change return type from int to void for many functions, as the return value (indicating error/success) was never checked, and the function would only fail on programming errors and not on invalid input; changed functions to use force_assert instead of returning an error. * all &#34;len&#34; parameters now are the real size of the memory to be read. the length of strings is given always without the terminating 0. * the &#34;buffer&#34; struct still counts the terminating 0 in -&gt;used, provide buffer_string_length() to get the length of a string in a buffer. unset config &#34;strings&#34; have used == 0, which is used in some places to distinguish unset values from &#34;&#34; (empty string) values. * most buffer usages should now use it as string container. * optimise some buffer copying by &#34;moving&#34; data to other buffers * use (u)intmax_t for generic int-to-string functions * remove unused enum values: UNUSED_CHUNK, ENCODING_UNSET * converted BUFFER_APPEND_SLASH to inline function (no macro feature needed) * refactor: create chunkqueue_steal: moving (partial) chunks into another queue * http_chunk: added separate function to terminate chunked body instead of magic handling in http_chunk_append_mem(). http_chunk_append_* now handle empty chunks, and never terminate the chunked body. From: Stefan Bühler &lt;stbuehler@web.de&gt; git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2975 152afb58-edef-0310-8abb-c4023f1b3aa9
7 years ago
return 0 == memcmp(b1->ptr + b1->used - 1 - len, b2->ptr + b2->used - 1 - len, len);
}
void li_tohex_lc(char *buf, size_t buf_len, const char *s, size_t s_len) {
force_assert(2 * s_len > s_len);
force_assert(2 * s_len < buf_len);
for (size_t i = 0; i < s_len; ++i) {
buf[2*i] = hex_chars_lc[(s[i] >> 4) & 0x0F];
buf[2*i+1] = hex_chars_lc[s[i] & 0x0F];
}
buf[2*s_len] = '\0';
}
void li_tohex_uc(char *buf, size_t buf_len, const char *s, size_t s_len) {
force_assert(2 * s_len > s_len);
force_assert(2 * s_len < buf_len);
for (size_t i = 0; i < s_len; ++i) {
buf[2*i] = hex_chars_uc[(s[i] >> 4) & 0x0F];
buf[2*i+1] = hex_chars_uc[s[i] & 0x0F];
}
buf[2*s_len] = '\0';
}
void buffer_substr_replace (buffer * const b, const size_t offset,
const size_t len, const buffer * const replace)
{
const size_t blen = buffer_string_length(b);
const size_t rlen = buffer_string_length(replace);
if (rlen > len) {
buffer_string_set_length(b, blen-len+rlen);
memmove(b->ptr+offset+rlen, b->ptr+offset+len, blen-offset-len);
}
memcpy(b->ptr+offset, replace->ptr, rlen);
if (rlen < len) {
memmove(b->ptr+offset+rlen, b->ptr+offset+len, blen-offset-len);
buffer_string_set_length(b, blen-len+rlen);
}
}
void buffer_append_string_encoded_hex_lc(buffer *b, const char *s, size_t len) {
unsigned char * const p =
(unsigned char*) buffer_string_prepare_append(b, len*2);
buffer_commit(b, len*2); /* fill below */
for (size_t i = 0; i < len; ++i) {
p[(i<<1)] = hex_chars_lc[(s[i] >> 4) & 0x0F];
p[(i<<1)+1] = hex_chars_lc[(s[i]) & 0x0F];
}
}
void buffer_append_string_encoded_hex_uc(buffer *b, const char *s, size_t len) {
unsigned char * const p =
(unsigned char*) buffer_string_prepare_append(b, len*2);
buffer_commit(b, len*2); /* fill below */
for (size_t i = 0; i < len; ++i) {
p[(i<<1)] = hex_chars_uc[(s[i] >> 4) & 0x0F];
p[(i<<1)+1] = hex_chars_uc[(s[i]) & 0x0F];
}
}
/* everything except: ! ( ) * - . 0-9 A-Z _ a-z */
static const char encoded_chars_rel_uri_part[] = {
/*
0 1 2 3 4 5 6 7 8 9 A B C D E F
*/
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 00 - 0F control chars */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 10 - 1F */
1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, /* 20 - 2F space " # $ % & ' + , / */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, /* 30 - 3F : ; < = > ? */
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 40 - 4F @ */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, /* 50 - 5F [ \ ] ^ */
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 - 6F ` */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, /* 70 - 7F { | } DEL */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 80 - 8F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 90 - 9F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* A0 - AF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* B0 - BF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* C0 - CF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* D0 - DF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* E0 - EF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* F0 - FF */
};
/* everything except: ! ( ) * - . / 0-9 A-Z _ a-z */
static const char encoded_chars_rel_uri[] = {
/*
0 1 2 3 4 5 6 7 8 9 A B C D E F
*/
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 00 - 0F control chars */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 10 - 1F */
1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, /* 20 - 2F space " # $ % & ' + , */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, /* 30 - 3F : ; < = > ? */
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 40 - 4F @ */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, /* 50 - 5F [ \ ] ^ */
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 - 6F ` */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, /* 70 - 7F { | } DEL */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 80 - 8F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 90 - 9F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* A0 - AF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* B0 - BF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* C0 - CF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* D0 - DF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* E0 - EF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* F0 - FF */
};
static const char encoded_chars_html[] = {
/*
0 1 2 3 4 5 6 7 8 9 A B C D E F
*/
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 00 - 0F control chars */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 10 - 1F */
0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, /* 20 - 2F " & ' */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, /* 30 - 3F < > */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 40 - 4F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 50 - 5F */
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 - 6F ` */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* 70 - 7F DEL */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 80 - 8F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 90 - 9F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* A0 - AF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* B0 - BF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* C0 - CF */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* D0 - DF */
1, 1, 1,