X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Ffgetc.c;h=0b042c7d5be8506396f43f61a19b144570caa024;hp=1a90eb95dadea9780b28a024c6fb94c9bad99570;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=393020b6e48719d27699dea6b29e53025bbd5123 diff --git a/functions/stdio/fgetc.c b/functions/stdio/fgetc.c index 1a90eb9..0b042c7 100644 --- a/functions/stdio/fgetc.c +++ b/functions/stdio/fgetc.c @@ -1,5 +1,3 @@ -/* $Id$ */ - /* fgetc( FILE * ) This file is part of the Public Domain C Library (PDCLib). @@ -8,27 +6,35 @@ #include -#include <_PDCLIB_glue.h> - #ifndef REGTEST +#include "_PDCLIB_io.h" -int fgetc( struct _PDCLIB_file_t * stream ) +int _PDCLIB_fgetc_unlocked( FILE * stream ) { if ( _PDCLIB_prepread( stream ) == EOF ) { return EOF; } - if ( stream->ungetidx > 0 ) - { - return stream->ungetbuf[ stream->ungetidx-- ]; - } - return stream->buffer[stream->bufidx++]; + + 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> +#include "_PDCLIB_test.h" int main( void ) {