mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

Fix a regression introduced in "chore: Clean up the return statements"

Browse Source 
This fixes commit 27e548af25.

The macro `png_check_sig` has been deprecated and remained untested
for decades. And yet, somehow it escaped from all past API cleanups.

Also update the libpng manual.

Reported-by: Matthieu Darbois
This commit is contained in:
Cosmin Truta
2024-01-29 15:30:10 +02:00
parent ba980b8f0c
commit ac944e2b36
3 changed files with 10 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
png.h
View File

@@ -914,9 +914,9 @@ PNG_EXPORT(3, int, png_sig_cmp, (png_const_bytep sig, size_t start,
size_t num_to_check));
/* Simple signature checking function. This is the same as calling
* png_check_sig(sig, n) := (png_sig_cmp(sig, 0, n) != 0).
* png_check_sig(sig, n) := (png_sig_cmp(sig, 0, n) == 0).
*/
#define png_check_sig(sig, n) (png_sig_cmp((sig), 0, (n)) != 0)
#define png_check_sig(sig, n) (png_sig_cmp((sig), 0, (n)) == 0) /* DEPRECATED */
/* Allocate and initialize png_ptr struct for reading, and any other memory. */
PNG_EXPORTA(4, png_structp, png_create_read_struct,