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

[libpng17] Merge contrib/examples/pngtopng.c with libpng-1.6.29beta02

Browse Source
This commit is contained in:
Glenn Randers-Pehrson 2017-02-24 09:25:27 -06:00
parent 7345c50aaa
commit ba42eccb05
1 changed files with 13 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
contrib/examples/pngtopng.c
View File

@ -1,10 +1,12 @@
/*- pngtopng
*
* COPYRIGHT: Written by John Cunningham Bowler, 2011.
* COPYRIGHT: Written by John Cunningham Bowler, 2011, 2017.
* To the extent possible under law, the author has waived all copyright and
* related or neighboring rights to this work. This work is published from:
* United States.
*
* Last changed in libpng 1.6.29 [%RDATE%]
*
* Read a PNG and write it out in a fixed format, using the 'simplified API'
* that was introduced in libpng-1.6.0.
*
@ -59,26 +61,27 @@ int main(int argc, const char **argv)
else
fprintf(stderr, "pngtopng: write %s: %s\n", argv[2],
image.message);
free(buffer);
}
else
{
fprintf(stderr, "pngtopng: read %s: %s\n", argv[1],
image.message);
/* This is the only place where a 'free' is required; libpng does
* the cleanup on error and success, but in this case we couldn't
* complete the read because of running out of memory.
*/
png_image_free(&image);
}
free(buffer);
}
else
{
fprintf(stderr, "pngtopng: out of memory: %lu bytes\n",
(unsigned long)PNG_IMAGE_SIZE(image));
/* This is the only place where a 'free' is required; libpng does
* the cleanup on error and success, but in this case we couldn't
* complete the read because of running out of memory and so libpng
* has not got to the point where it can do cleanup.
*/
png_image_free(&image);
}
}
else