X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffgetc.c;h=114ab975e2e9b928e7154bd04a41ca7ce2ae4697;hb=b5b6c4a890795ea76f9b92b817b0a83c6bb4862c;hp=1a90eb95dadea9780b28a024c6fb94c9bad99570;hpb=35b4776e2f52f97caade5da75eb26cb24fb01c8b;p=pdclib.old diff --git a/functions/stdio/fgetc.c b/functions/stdio/fgetc.c index 1a90eb9..114ab97 100644 --- a/functions/stdio/fgetc.c +++ b/functions/stdio/fgetc.c @@ -8,21 +8,29 @@ #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