X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2F_PDCLIB%2Fprepread.c;h=9111ff49b9eaf0a7309d932acd216aecc2e781a3;hb=8cfc7f73e7baec32630b9cf55582febd41b8a684;hp=53a2976dd403bd5fc11308f68a22a758473c062d;hpb=0d54a75af25ca44411e7c4190cc2a93a390e61a2;p=pdclib.old diff --git a/functions/_PDCLIB/prepread.c b/functions/_PDCLIB/prepread.c index 53a2976..9111ff4 100644 --- a/functions/_PDCLIB/prepread.c +++ b/functions/_PDCLIB/prepread.c @@ -17,7 +17,11 @@ int _PDCLIB_prepread( struct _PDCLIB_file_t * stream ) ( stream->status & ( _PDCLIB_FWRITE | _PDCLIB_FAPPEND | _PDCLIB_ERRORFLAG | _PDCLIB_WIDESTREAM | _PDCLIB_EOFFLAG ) ) || ! ( stream->status & ( _PDCLIB_FREAD | _PDCLIB_FRW ) ) ) { - _PDCLIB_errno = _PDCLIB_EIO; + /* Function called on illegal (e.g. output) stream. + See comments on implementation-defined errno values in + <_PDCLIB_config.h>. + */ + _PDCLIB_errno = _PDCLIB_ERROR; stream->status |= _PDCLIB_ERRORFLAG; return EOF; } @@ -32,3 +36,14 @@ int _PDCLIB_prepread( struct _PDCLIB_file_t * stream ) } } +#ifdef TEST +#include <_PDCLIB_test.h> + +int main( void ) +{ + /* Testing covered by ftell.c */ + return TEST_RESULTS; +} + +#endif +