X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffgetc.c;h=61f52fdd4208a84a3000a1e937619d92191b85b7;hb=b852731d2bc40ce2208264cdb55cc8e27944c890;hp=1ca2367b4e6b6ffac7b79c99c6b7e05fd8b402d3;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec;p=pdclib

diff --git a/functions/stdio/fgetc.c b/functions/stdio/fgetc.c
index 1ca2367..61f52fd 100644
--- a/functions/stdio/fgetc.c
+++ b/functions/stdio/fgetc.c
@@ -1,8 +1,48 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int fgetc( FILE * stream ) { /* TODO */ };
+/* $Id$ */
+
+/* fgetc( FILE * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+
+#ifndef REGTEST
+
+#include <_PDCLIB_glue.h>
+
+int fgetc_unlocked( struct _PDCLIB_file_t * stream )
+{
+    if ( _PDCLIB_prepread( stream ) == EOF )
+    {
+        return EOF;
+    }
+
+    char c;
+
+    size_t n = _PDCLIB_getchars( &c, 1, EOF, stream );
+
+    return n == 0 ? EOF : (unsigned char) c;
+}
+
+int fgetc( struct _PDCLIB_file_t * stream )
+{
+    flockfile( stream );
+    int c = fgetc_unlocked( stream );
+    funlockfile( stream );
+    return c;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* Testing covered by ftell.c */
+    return TEST_RESULTS;
+}
+
+#endif