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[core] cold buffer_string_prepare_append_resize()

personal/stbuehler/ci-build
Glenn Strauss 2019-07-14 03:36:22 -04:00
parent c22ec74770
commit d22e7a769d
1 changed files with 12 additions and 8 deletions
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20
src/buffer.c
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@ -85,7 +85,9 @@ static void buffer_realloc(buffer *b, size_t len) {
}
__attribute_cold__
__attribute_noinline__
static void buffer_alloc_replace(buffer *b, size_t size) {
force_assert(NULL != b);
/*(discard old data so realloc() does not copy)*/
if (NULL != b->ptr) {
free(b->ptr);
@ -95,20 +97,16 @@ static void buffer_alloc_replace(buffer *b, size_t size) {
}
char* buffer_string_prepare_copy(buffer *b, size_t size) {
force_assert(NULL != b);
if (size >= b->size) buffer_alloc_replace(b, size);
if (NULL == b || size >= b->size) buffer_alloc_replace(b, size);
b->used = 0;
return b->ptr;
}
char* buffer_string_prepare_append(buffer *b, size_t size) {
__attribute_cold__
__attribute_noinline__
static char* buffer_string_prepare_append_resize(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 {
@ -124,6 +122,12 @@ char* buffer_string_prepare_append(buffer *b, size_t size) {
}
}
char* buffer_string_prepare_append(buffer *b, size_t size) {
return (NULL != b && size < b->size - b->used)
? b->ptr + b->used - (0 != b->used)
: buffer_string_prepare_append_resize(b, size);
}
void buffer_string_set_length(buffer *b, size_t len) {
force_assert(NULL != b);