examples/io.c: Made write_file use write_string.

ChangeLog

 2012-04-14  Niels Möller  <nisse@lysator.liu.se>
 
+	* examples/io.c (write_file): Use write_string.
+
 	* examples/Makefile.in (base64enc): New target. Also added missing
 	io.o dependency to several other targets.
 

examples/io.c

@@ -132,28 +132,24 @@ read_file(const char *name, unsigned max_size, char **contents)
 }
 
 int
-write_file(const char *name, unsigned size, const char *buffer)
+write_string(FILE *f, unsigned size, const char *buffer)
 {
-  FILE *f = fopen(name, "wb");
-  unsigned res;
-  
-  if (!f)
-    return 0;
-
-  res = fwrite(buffer, 1, size, f);
-  
-  if (res < size)
-    res = 0;
+  size_t res = fwrite(buffer, 1, size, f);
 
-  return fclose(f) == 0 && res > 0;
+  return res == size;
 }
 
 int
-write_string(FILE *f, unsigned size, const char *buffer)
+write_file(const char *name, unsigned size, const char *buffer)
 {
-  size_t res = fwrite(buffer, 1, size, f);
+  FILE *f = fopen(name, "wb");
+  int res;
   
-  return res == size;
+  if (!f)
+    return 0;
+
+  res = write_string(f, size, buffer);
+  return fclose(f) == 0 && res;
 }
 
 int