X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=Source%2FUtils%2FImageIO.cpp;h=508c10f54247a9d57412bbdc7c16f7c0e7daed88;hb=24c49b5bd8c82cd433fffe3456334bd3be743da9;hp=8bd5bfc33f3e0ff3f5e119ffd7f55d435c88f2d0;hpb=487fc31578d1fa8d0d2b11fdb59aaca074bce6e2;p=lugaru.git

diff --git a/Source/Utils/ImageIO.cpp b/Source/Utils/ImageIO.cpp
index 8bd5bfc..508c10f 100644
--- a/Source/Utils/ImageIO.cpp
+++ b/Source/Utils/ImageIO.cpp
@@ -104,10 +104,13 @@ static bool load_jpg(const char *file_name, ImageRec &tex)
     struct my_error_mgr jerr;
     JSAMPROW buffer[1]; /* Output row buffer */
     int row_stride; /* physical row width in output buffer */
+    errno = 0;
     FILE *infile = fopen(file_name, "rb");
 
-    if (infile == NULL)
+    if (infile == NULL) {
+        perror((std::string("Couldn't open file ") + file_name).c_str());
         return false;
+    }
 
     cinfo.err = jpeg_std_error(&jerr.pub);
     jerr.pub.error_exit = my_error_exit;
@@ -154,10 +157,11 @@ static bool load_png(const char *file_name, ImageRec &tex)
     int bit_depth, color_type, interlace_type;
     bool retval = false;
     png_byte **row_pointers = NULL;
+    errno = 0;
     FILE *fp = fopen(file_name, "rb");
 
     if (fp == NULL) {
-        cerr << file_name << " not found" << endl;
+        perror((std::string("Couldn't open file ") + file_name).c_str());
         return false;
     }
 
@@ -237,9 +241,12 @@ static bool save_screenshot_png(const char *file_name)
     png_infop info_ptr = NULL;
     bool retval = false;
 
+    errno = 0;
     fp = fopen(file_name, "wb");
-    if (fp == NULL)
+    if (fp == NULL) {
+        perror((std::string("Couldn't open file ") + file_name).c_str());
         return false;
+    }
 
     png_bytep *row_pointers = new png_bytep[kContextHeight];
     png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];