better (?) error messages

This commit is contained in:
tth 2019-09-12 19:33:08 +02:00
parent a301a492df
commit 5726161571

View File

@ -64,7 +64,8 @@ fprintf(stderr, "%s opened\n", filename);
datasize = png.width * png.height * png.bpp; datasize = png.width * png.height * png.bpp;
if ( 3 != png.bpp ) { if ( 3 != png.bpp ) {
fprintf(stderr, "format %d of '%s' not supported\n", /* I don't really understand this part of the code */
fprintf(stderr, "bpp format %d of '%s' not supported\n",
png.color_type, filename); png.color_type, filename);
return -21; return -21;
} }
@ -93,7 +94,7 @@ if (foo) {
foo = png_get_data(&png, datas); foo = png_get_data(&png, datas);
if (PNG_NO_ERROR != foo) { if (PNG_NO_ERROR != foo) {
fprintf(stderr, "error in '%s' : read png -> %d %s\n", fprintf(stderr, "error in '%s' :\n\tpng_get_data -> %d = %s\n",
__func__, foo, pngerr2str(foo)); __func__, foo, pngerr2str(foo));
return foo; return foo;
} }