diff options
| -rw-r--r-- | converter/other/pngtopnm.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/converter/other/pngtopnm.c b/converter/other/pngtopnm.c index 824e3c5c..012b870b 100644 --- a/converter/other/pngtopnm.c +++ b/converter/other/pngtopnm.c @@ -486,6 +486,20 @@ readPngRaster(png_info * const pngInfoP, +static void +freePngRaster(png_byte ** const pngRaster, + unsigned int const rows) { + + unsigned int row; + + for (row = 0; row < rows; ++row) + free(pngRaster[row]); + + free(pngRaster); +} + + + static bool isTransparentColor(pngcolor const color, png_info * const info_ptr, @@ -981,7 +995,6 @@ convertpng(FILE * const ifp, png_struct *png_ptr; png_info *info_ptr; png_byte **png_image; - int y; int pnm_type; pngcolor bgColor; float totalgamma; @@ -1053,9 +1066,9 @@ convertpng(FILE * const ifp, cmdline.alpha, totalgamma); fflush(stdout); - for (y = 0 ; y < info_ptr->height ; y++) - free (png_image[y]); - free (png_image); + + freePngRaster(png_image, info_ptr->height); + png_destroy_read_struct (&png_ptr, &info_ptr, (png_infopp)NULL); } |