fnt2fon: janitorial IgnoredReturnValues.

[Lionel Debroux]

---
 tools/fnt2fon.c |   60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 60 insertions(+), 0 deletions(-)

diff --git a/tools/fnt2fon.c b/tools/fnt2fon.c
index a4d307d..3d376f5 100644
--- a/tools/fnt2fon.c
+++ b/tools/fnt2fon.c
@@ -61,6 +61,66 @@ static BOOL fp_is_open = FALSE;
 static FILE *fp = NULL;
 static FILE *ofp = NULL;
 
+FILE *Fopen(const char *filename, const char *mode)
+{
+    FILE *file;
+
+    if ((file = fopen(filename, mode)) == NULL)
+    {
+        fprintf(stderr, "Cannot open %s\n",filename);
+        exit(1);
+    }
+
+    return file;
+}
+
+static void Fclose(FILE *file)
+{
+    if (fclose(file) != 0)
+    {
+        fprintf(stderr, "Cannot close file\n");
+        exit(1);
+    }
+}
+
+static void Fputc(int c, FILE *file)
+{
+    if (fputc(c, file) == EOF)
+    {
+        fprintf(stderr, "Cannot write to file\n");
+        exit(1);
+    }
+}
+
+static void Fread(void *ptr, size_t size, size_t n, FILE *file)
+{
+    size_t n2;
+
+    if (((n2 = fread(ptr, size, n, file)) < n) && ferror(fp))
+    {
+        fprintf(stderr, "Cannot read from file\n");
+        exit(1);
+    }
+}
+
+static void Fwrite(const void *ptr, size_t size, size_t n, FILE *file)
+{
+    if (fwrite(ptr, size, n, file) < n)
+    {
+        fprintf(stderr, "Cannot write to file\n");
+        exit(1);
+    }
+}
+
+static void Fseek(FILE *file, long offset, int whence)
+{
+    if (fseek(file, offset, whence) != 0)
+    {
+        fprintf(stderr, "Cannot seek in file\n");
+        exit(1);
+    }
+}
+
 static void cleanup_files(void)
 {
     if (fp && fp_is_open) {
-- 
1.5.2.4


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