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[master] Imported from libpng-1.6.29.tar

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This commit is contained in:
Glenn Randers-Pehrson
2017-03-16 07:21:03 -05:00
parent 0a181e1665
commit b363e01e6b
46 changed files with 1487 additions and 477 deletions
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23
contrib/examples/pngtopng.c
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@@ -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