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diff -ur pngtools-0.4.orig/Makefile.am pngtools-0.4/Makefile.am
--- pngtools-0.4.orig/Makefile.am 2008-11-27 01:14:17.000000000 +0200
+++ pngtools-0.4/Makefile.am 2010-03-09 00:51:10.000000000 +0200
@@ -4,3 +4,6 @@
pngcp_SOURCES = pngcp.c pngread.c pngwrite.c inflateraster.c
pngchunkdesc_SOURCES = pngchunkdesc.c
pngchunks_SOURCES = pngchunks.c
+
+pnginfo_LDADD = -lpng
+pngcp_LDADD = -lpng
diff -ur pngtools-0.4.orig/pnginfo.c pngtools-0.4/pnginfo.c
--- pngtools-0.4.orig/pnginfo.c 2008-11-27 01:14:17.000000000 +0200
+++ pngtools-0.4/pnginfo.c 2010-03-09 00:42:58.000000000 +0200
@@ -152,7 +152,7 @@
// Check that it really is a PNG file
fread (sig, 1, 8, image);
- if (!png_check_sig (sig, 8))
+ if (!png_sig_cmp(sig, 0, 8) == 0)
{
printf (" This file is not a valid PNG file\n");
fclose (image);
diff -ur pngtools-0.4.orig/pngread.c pngtools-0.4/pngread.c
--- pngtools-0.4.orig/pngread.c 2008-11-27 01:14:17.000000000 +0200
+++ pngtools-0.4/pngread.c 2010-03-09 00:43:27.000000000 +0200
@@ -26,7 +26,7 @@
// Check that it really is a PNG file
fread(sig, 1, 8, image);
- if(!png_check_sig(sig, 8)){
+ if(!png_sig_cmp(sig, 0, 8) == 0){
fprintf(stderr, "This file is not a valid PNG file\n");
goto error;
}
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