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--- work/gif2png-2.5.1/gif2png.c.orig 2006-07-07 16:40:33.000000000 -0400
+++ work/gif2png-2.5.1/gif2png.c 2006-07-07 16:43:25.000000000 -0400
@@ -135,7 +135,7 @@
unsigned long hist_maxvalue;
int passcount;
int errtype, errorcount = 0;
- png_text software;
+ png_text comment, software;
/* these volatile declarations prevent gcc warnings ("variable might be
* clobbered by `longjmp' or `vfork'") */
@@ -517,10 +517,15 @@
j = s->size;
if (j > 0 && data[j-1] == '\0') /* some apps include a NULL in GIF comment */
--j;
- if (j<500) {
- png_write_tEXt(png_ptr, "Comment", (png_charp)data, j);
+ if (j<1000) {
+ comment.compression = PNG_TEXT_COMPRESSION_NONE;
} else {
- png_write_zTXt(png_ptr, "Comment", (png_charp)data, j, 0);
+ comment.compression = PNG_TEXT_COMPRESSION_zTXt;
+ comment.key = "Comment";
+ comment.text = data;
+ comment.text_length = j;
+
+ png_set_text(png_ptr, info_ptr, &comment, 1);
}
break;
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