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Code Issues Wiki

Fix chunks to not accept empty chunks (and to remove them in cq_skip)

personal/stbuehler/wip
Stefan Bühler 2008-08-07 01:20:47 +02:00
parent e216fc5168
commit 9760d73a24
1 changed files with 15 additions and 8 deletions
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23
src/chunk.c
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@ -254,7 +254,9 @@ void chunkqueue_free(chunkqueue *cq) {
* you may modify the data (not the length) if you are sure it isn't sent before.
*/
void chunkqueue_append_string(chunkqueue *cq, GString *str) {
chunk *c = chunk_new();
chunk *c;
if (!str->len) return;
c = chunk_new();
c->type = MEM_CHUNK;
c->mem = str;
g_queue_push_tail(cq->queue, c);
@ -264,7 +266,9 @@ void chunkqueue_append_string(chunkqueue *cq, GString *str) {
/* memory gets copied */
void chunkqueue_append_mem(chunkqueue *cq, void *mem, gssize len) {
chunk *c = chunk_new();
chunk *c;
if (!len) return;
c = chunk_new();
c->type = MEM_CHUNK;
c->mem = g_string_new_len(mem, len);
g_queue_push_tail(cq->queue, c);
@ -284,23 +288,27 @@ static void __chunkqueue_append_file(chunkqueue *cq, GString *filename, off_t st
}
/* pass ownership of filename, do not free it */
void chunkqueue_append_file(chunkqueue *cq, GString *filename, off_t start, off_t length) {
__chunkqueue_append_file(cq, filename, start, length, -1, FALSE);
if (length)
__chunkqueue_append_file(cq, filename, start, length, -1, FALSE);
}
/* if you already opened the file, you can pass the fd here - do not close it */
void chunkqueue_append_file_fd(chunkqueue *cq, GString *filename, off_t start, off_t length, int fd) {
__chunkqueue_append_file(cq, filename, start, length, fd, FALSE);
if (length)
__chunkqueue_append_file(cq, filename, start, length, fd, FALSE);
}
/* temp files get deleted after usage */
/* pass ownership of filename, do not free it */
void chunkqueue_append_tempfile(chunkqueue *cq, GString *filename, off_t start, off_t length) {
__chunkqueue_append_file(cq, filename, start, length, -1, TRUE);
if (length)
__chunkqueue_append_file(cq, filename, start, length, -1, TRUE);
}
/* if you already opened the file, you can pass the fd here - do not close it */
void chunkqueue_append_tempfile_fd(chunkqueue *cq, GString *filename, off_t start, off_t length, int fd) {
__chunkqueue_append_file(cq, filename, start, length, fd, TRUE);
if (length)
__chunkqueue_append_file(cq, filename, start, length, fd, TRUE);
}
/* steal up to length bytes from in and put them into out, return number of bytes stolen */
@ -404,8 +412,7 @@ goffset chunkqueue_skip(chunkqueue *cq, goffset length) {
goffset bytes = 0;
goffset we_have;
while ( (NULL != (c = chunkqueue_first_chunk(cq))) && length > 0 ) {
we_have = chunk_length(c);
while ( (NULL != (c = chunkqueue_first_chunk(cq))) && (0 == (we_have = chunk_length(c)) || length > 0) ) {
if (we_have <= length) {
/* skip (delete) complete chunk */
chunk_free(c);