Fix errors to actually abort

And while we're at it, make the error messages a bit
more descriptive.

diff --git a/spritext.c b/spritext.c
index ef7c9a2470608cabd2542061d25fa47de45fdfb4..1405c48c4ce1d166a2220d42501c4c13abf7bf3a 100644 (file)
--- a/spritext.c
+++ b/spritext.c
@@ -33,6 +33,7 @@ get_max_height (cairo_t *cr, char *characters);
 int
 main (void)
 {
+    const char font_filename[] = "/srv/rdworth.org/cgi-bin/Verdana.ttf";
     char outputJson = FALSE;
 
     char characters[] = {
@@ -90,16 +91,21 @@ main (void)
     FT_Vector   kerning;
 
     error = FT_Init_FreeType( &library );
-    if ( error )
-       printf("error");
+    if ( error ) {
+       fprintf (stderr, "Fatal error initializing freetype.\n");
+       exit (1);
+    }
 
-    error = FT_New_Face( library,"/srv/rdworth.org/cgi-bin/Verdana.ttf",
+    error = FT_New_Face( library, font_filename,
                          0,
                          &ft_face );
-    if ( error == FT_Err_Unknown_File_Format )
-        printf("File opened. Font format unsupported.");
-    else if ( error )
-        printf("Could not be open or read or broken.");
+    if ( error == FT_Err_Unknown_File_Format ) {
+        fprintf (stderr, "Unsupported font format: %s\n", font_filename);
+       exit (1);
+    } else if ( error ) {
+        fprintf (stderr, "Failed to open file: %s\n", font_filename);
+       exit (1);
+    }
 
     use_kerning = FT_HAS_KERNING( ft_face );