farbfeld

commit 42ace91b3ddba2fa40e0362ce7aba814aa7dd79c
parent 853b79b67c81735874acaeeab5293e9dd7af06bb
Author: FRIGN <dev@frign.de>
Date:   Sun, 17 Jan 2016 21:01:50 +0100

Fix gcc-optimization bug in png2ff

For some reason, those strange png_char_pp-passes were optimized away
in some way, yielding in icc_len = 0.
I now explicitly use the pointers to indicate to the compiler that we
pass by reference. Fuck those png types...

Diffstat:
M
png2ff.c
 | 
8
++++----

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/png2ff.c b/png2ff.c
@@ -35,8 +35,8 @@ main(int argc, char *argv[])
 	cmsToneCurve *gamma18, *out_curves[3];
 	png_structp png_struct_p;
 	png_infop png_info_p;
-	png_bytepp png_row_p, icc_data = NULL;
-	png_charpp icc_name = NULL;
+	png_bytep *png_row_p, icc_data;
+	png_charp icc_name;
 	uint32_t width, height, icc_len, outrowlen, tmp32, r, i;
 	uint16_t *inrow, *outrow;
 	int icc_compression;
@@ -72,8 +72,8 @@ main(int argc, char *argv[])
 
 	/* icc profile (output ProPhoto RGB) */
 	if (png_get_valid(png_struct_p, png_info_p, PNG_INFO_iCCP)) {
-		png_get_iCCP(png_struct_p, png_info_p, icc_name,
-		             &icc_compression, icc_data, &icc_len);
+		png_get_iCCP(png_struct_p, png_info_p, &icc_name,
+		             &icc_compression, &icc_data, &icc_len);
 		if (!(in_profile = cmsOpenProfileFromMem(icc_data,
 		                                         icc_len)))
 			goto lcmserr;