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[libpng12] Avoid a possible memory leak in contrib/gregbook/readpng.c

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This commit is contained in:
Glenn Randers-Pehrson 2013-03-01 13:22:10 -06:00
parent dfce99be90
commit 70caa957aa
3 changed files with 9 additions and 3 deletions
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5
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.2.51beta02 - January 22, 2013 Libpng 1.2.51beta02 - March 1, 2013
This is not intended to be a public release. It will be replaced This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version. within a few weeks by a public version or by another test version.
@ -48,7 +48,8 @@ version 1.2.51beta01 [January 22, 2013]
in configure.ac in configure.ac
Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h. Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h.
version 1.2.51beta02 [January 22, 2013] version 1.2.51beta02 [March 1, 2013]
Avoid a possible memory leak in contrib/gregbook/readpng.c
(subscription required; visit (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement https://lists.sourceforge.net/lists/listinfo/png-mng-implement

3
CHANGES
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@ -2784,7 +2784,8 @@ version 1.2.51beta01 [January 22, 2013]
in configure.ac in configure.ac
Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h. Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h.
version 1.2.51beta02 [January 22, 2013] version 1.2.51beta02 [March 1, 2013]
Avoid a possible memory leak in contrib/gregbook/readpng.c
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

4
contrib/gregbook/readpng.c
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@ -214,6 +214,10 @@ uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
* libpng function */ * libpng function */
if (setjmp(png_jmpbuf(png_ptr))) { if (setjmp(png_jmpbuf(png_ptr))) {
free(image_data);
image_data = NULL;
free(row_pointers);
row_pointers = NULL;
png_destroy_read_struct(&png_ptr, &info_ptr, NULL); png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
return NULL; return NULL;
} }