X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffread.c;h=3bfcfff6fdd51297056cc1222c90152b71cfac62;hb=e1c526e9bad3f6e69391e94059096145390508d3;hp=9f7d3fa0e9135f57166e656469c6e09f2100dbe2;hpb=dd71cbbfbd68cd8c653277a0c1f70ab2b179421c;p=pdclib diff --git a/functions/stdio/fread.c b/functions/stdio/fread.c index 9f7d3fa..3bfcfff 100644 --- a/functions/stdio/fread.c +++ b/functions/stdio/fread.c @@ -1,5 +1,3 @@ -/* $Id$ */ - /* fwrite( void *, size_t, size_t, FILE * ) This file is part of the Public Domain C Library (PDCLib). @@ -9,13 +7,16 @@ #include #ifndef REGTEST - -#include <_PDCLIB_glue.h> +#include <_PDCLIB_io.h> #include #include -size_t fread( void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, struct _PDCLIB_file_t * _PDCLIB_restrict stream ) +size_t _PDCLIB_fread_unlocked( + void * _PDCLIB_restrict ptr, + size_t size, size_t nmemb, + FILE * _PDCLIB_restrict stream +) { if ( _PDCLIB_prepread( stream ) == EOF ) { @@ -25,22 +26,24 @@ size_t fread( void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, struct _PD size_t nmemb_i; for ( nmemb_i = 0; nmemb_i < nmemb; ++nmemb_i ) { - for ( size_t size_i = 0; size_i < size; ++size_i ) - { - if ( stream->bufidx == stream->bufend ) - { - if ( _PDCLIB_fillbuffer( stream ) == EOF ) - { - /* Could not read requested data */ - return nmemb_i; - } - } - dest[ nmemb_i * size + size_i ] = stream->buffer[ stream->bufidx++ ]; - } + size_t numread = _PDCLIB_getchars( &dest[ nmemb_i * size ], size, EOF, + stream ); + if( numread != size ) + break; } return nmemb_i; } +size_t fread( void * _PDCLIB_restrict ptr, + size_t size, size_t nmemb, + FILE * _PDCLIB_restrict stream ) +{ + _PDCLIB_flockfile( stream ); + size_t r = _PDCLIB_fread_unlocked( ptr, size, nmemb, stream ); + _PDCLIB_funlockfile( stream ); + return r; +} + #endif #ifdef TEST