X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffgetc.c;h=114ab975e2e9b928e7154bd04a41ca7ce2ae4697;hb=HEAD;hp=c4f2993f533f862878f36ed1faf8ea751d4e7d2a;hpb=e5456e3c2697c4e17fc9aa3439f2e305517b4d96;p=pdclib.old diff --git a/functions/stdio/fgetc.c b/functions/stdio/fgetc.c index c4f2993..114ab97 100644 --- a/functions/stdio/fgetc.c +++ b/functions/stdio/fgetc.c @@ -1,22 +1,47 @@ -// ---------------------------------------------------------------------------- -// $Id$ -// ---------------------------------------------------------------------------- -// Public Domain C Library - http://pdclib.sourceforge.net -// This code is Public Domain. Use, modify, and redistribute at will. -// ---------------------------------------------------------------------------- +/* $Id$ */ -int fgetc( FILE * stream ) { /* TODO */ }; +/* fgetc( FILE * ) -/* PDPC code - unreviewed -{ - unsigned char x[1]; - size_t ret; + This file is part of the Public Domain C Library (PDCLib). + Permission is granted to use, modify, and / or redistribute at will. +*/ + +#include - ret = fread(x, 1, 1, stream); - if (ret == 0) +#ifndef REGTEST +#include <_PDCLIB_io.h> + +int _PDCLIB_fgetc_unlocked( FILE * stream ) +{ + if ( _PDCLIB_prepread( stream ) == EOF ) { - return (EOF); + return EOF; } - return ((int)x[0]); + + char c; + + size_t n = _PDCLIB_getchars( &c, 1, EOF, stream ); + + return n == 0 ? EOF : (unsigned char) c; } -*/ + +int fgetc( FILE * stream ) +{ + _PDCLIB_flockfile( stream ); + int c = _PDCLIB_fgetc_unlocked( stream ); + _PDCLIB_funlockfile( stream ); + return c; +} + +#endif + +#ifdef TEST +#include <_PDCLIB_test.h> + +int main( void ) +{ + /* Testing covered by ftell.c */ + return TEST_RESULTS; +} + +#endif