Spencer/PNG_CC
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2021-10-11 23:48:52 -04:00
parent 2f51491db9
commit 7534150326
2 changed files with 10 additions and 0 deletions
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4
include/CRCLib.h
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@@ -1,3 +1,7 @@
/*
* Code Implemented From: https://www.w3.org/TR/PNG/#D-CRCAppendix
*/
/* Table of CRCs of all 8-bit messages. */ /* Table of CRCs of all 8-bit messages. */
unsigned long crc_table[256]; unsigned long crc_table[256];

6
src/compress_util.c
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@@ -6,6 +6,9 @@
#define CHUNK 1024 #define CHUNK 1024
/*
* Built from exmaple provided in: https://zlib.net/zlib_how.html
*/
void zlib_decompress_data(unsigned char *data_chunk, size_t file_length, unsigned char **buff, size_t *sz) { void zlib_decompress_data(unsigned char *data_chunk, size_t file_length, unsigned char **buff, size_t *sz) {
int ret; int ret;
unsigned int have; unsigned int have;
@@ -68,6 +71,9 @@ void zlib_decompress_data(unsigned char *data_chunk, size_t file_length, unsigne
fclose(of); fclose(of);
} }
/*
* Built from exmaple provided in: https://zlib.net/zlib_how.html
*/
void zlib_compress_data(unsigned char *data_chunk, size_t file_length, unsigned char **buff, size_t *sz) { void zlib_compress_data(unsigned char *data_chunk, size_t file_length, unsigned char **buff, size_t *sz) {
int ret, flush; int ret, flush;
unsigned int have; unsigned int have;