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added buffer_get_remainder() so I can fetch whatever is left in the buffer

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git@daemon.de
2014-02-12 16:46:50 +01:00
parent f849f506cc
commit a78dd9c6eb
2 changed files with 13 additions and 0 deletions
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3
include/pcp/buffer.h
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@@ -88,6 +88,9 @@ unsigned char *buffer_get(Buffer *b);
points to b->buf and should not be free'd directly*/ points to b->buf and should not be free'd directly*/
char *buffer_get_str(Buffer *b); char *buffer_get_str(Buffer *b);
/* fetch whatever is left in the buffer */
unsigned char *buffer_get_remainder(Buffer *b);
/* same as buffer_get() but fetch some data chunk from somewhere /* same as buffer_get() but fetch some data chunk from somewhere
in the middle of the buffer */ in the middle of the buffer */
size_t buffer_extract(Buffer *b, void *buf, size_t offset, size_t len); size_t buffer_extract(Buffer *b, void *buf, size_t offset, size_t len);

10
libpcp/buffer.c
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@@ -98,6 +98,16 @@ size_t buffer_get_chunk(Buffer *b, void *buf, size_t len) {
return len; return len;
} }
unsigned char *buffer_get_remainder(Buffer *b) {
void *buf;
if(buffer_get_chunk(b, buf, b->end - b->offset) == 0) {
return NULL;
}
else {
return buf;
}
}
uint8_t buffer_get8(Buffer *b) { uint8_t buffer_get8(Buffer *b) {
uint8_t i; uint8_t i;
if(buffer_get_chunk(b, &i, 1) > 0) { if(buffer_get_chunk(b, &i, 1) > 0) {