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fix pngread error handling

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This commit is contained in:
kub 2024-03-26 00:56:33 +01:00
parent 4563c13167
commit 697806c41d
2 changed files with 7 additions and 13 deletions
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14
readpng.c
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@ -76,7 +76,7 @@ int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req
if (png_get_bit_depth(png_ptr, info_ptr) != 8)
{
lprintf(__FILE__ ": scaled image uses %ibpc, needed 8bpc\n", png_get_bit_depth(png_ptr, info_ptr));
break;
goto done;
}
width = png_get_image_width(png_ptr, info_ptr);
x_scale = width*65536 / req_w;
@ -112,7 +112,7 @@ int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req
if (png_get_bit_depth(png_ptr, info_ptr) != 8)
{
lprintf(__FILE__ ": bg image uses %ibpc, needed 8bpc\n", png_get_bit_depth(png_ptr, info_ptr));
break;
goto done;
}
width = png_get_image_width(png_ptr, info_ptr);
if (width > req_w) {
@ -149,12 +149,12 @@ int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req
{
lprintf(__FILE__ ": unexpected font image size %dx%d, needed %dx%d\n",
(int)png_get_image_width(png_ptr, info_ptr), (int)png_get_image_height(png_ptr, info_ptr), req_w, req_h);
break;
goto done;
}
if (png_get_bit_depth(png_ptr, info_ptr) != 8)
{
lprintf(__FILE__ ": font image uses %ibpp, needed 8bpp\n", png_get_bit_depth(png_ptr, info_ptr));
break;
goto done;
}
for (y = 0; y < 16; y++)
{
@ -182,12 +182,12 @@ int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req
{
lprintf(__FILE__ ": unexpected selector image size %ix%i, needed %dx%d\n",
(int)png_get_image_width(png_ptr, info_ptr), (int)png_get_image_height(png_ptr, info_ptr), req_w, req_h);
break;
goto done;
}
if (png_get_bit_depth(png_ptr, info_ptr) != 8)
{
lprintf(__FILE__ ": selector image uses %ibpp, needed 8bpp\n", png_get_bit_depth(png_ptr, info_ptr));
break;
goto done;
}
for (y1 = 0; y1 < req_h; y1++)
{
@ -205,7 +205,7 @@ int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req
if (png_get_bit_depth(png_ptr, info_ptr) != 8)
{
lprintf(__FILE__ ": image uses %ibpc, needed 8bpc\n", png_get_bit_depth(png_ptr, info_ptr));
break;
goto done;
}
width = png_get_image_width(png_ptr, info_ptr);
if (width > req_w)