tools/fnt2fon: Remove error() as it is almost unused. Transform errno into a…

tools/fnt2fon.c

@@ -28,6 +28,7 @@
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif
+#include <errno.h>
 #include <fcntl.h>
 #ifdef HAVE_IO_H
 # include <io.h>
@@ -78,19 +79,6 @@ static void usage(char **argv)
 #define __attribute__(X)
 #endif
 
-static void error(const char *s, ...) __attribute__((format (printf, 1, 2)));
-
-static void error(const char *s, ...)
-{
-	va_list ap;
-	va_start(ap, s);
-	fprintf(stderr, "Error: ");
-	vfprintf(stderr, s, ap);
-	fprintf(stderr, "\n");
-	va_end(ap);
-	exit(1);
-}
-
 int main(int argc, char **argv)
 {
     int i, j;
@@ -123,13 +111,14 @@ int main(int argc, char **argv)
     for(i = 0; i < num_files; i++) {
         fp = fopen(argv[i+1], "rb");
         if(!fp) {
-            fprintf(stderr, "Can't open %s\n", argv[i+1]);
+            fprintf(stderr, "error: unable to open %s for reading: %s\n", argv[i+1], strerror(errno));
             usage(argv);
             exit(1);
         }
         fread(&ver, sizeof(short), 1, fp);
         if(ver != 0x200 && ver != 0x300) {
-            error("invalid fnt file %s ver %d", argv[i+1], ver);
+            fprintf(stderr, "error: invalid fnt file %s ver %d\n", argv[i+1], ver);
+            exit(1);
         }
         fread(file_lens + i, sizeof(int), 1, fp);
         fseek(fp, 0x44, SEEK_SET);