#include <stdio.h>
#ifndef REGTEST
+#include <_PDCLIB_io.h>
/* Write the value c (cast to unsigned char) to the given stream.
Returns c if successful, EOF otherwise.
- If a write error occurs, sets the error indicator of the stream is set.
+ If a write error occurs, the error indicator of the stream is set.
*/
-int fputc( int c, struct _PDCLIB_file_t * stream )
+int fputc_unlocked( int c, FILE * stream )
{
- /* FIXME: This is devoid of any error checking (file writeable? r/w
- constraints honored?) (Text format translations?)
- */
+ if ( _PDCLIB_prepwrite( stream ) == EOF )
+ {
+ return EOF;
+ }
stream->buffer[stream->bufidx++] = (char)c;
if ( ( stream->bufidx == stream->bufsize ) /* _IOFBF */
|| ( ( stream->status & _IOLBF ) && ( (char)c == '\n' ) ) /* _IOLBF */
)
{
/* buffer filled, unbuffered stream, or end-of-line. */
- fflush( stream );
- }
- else
- {
- stream->status |= _PDCLIB_WROTELAST;
+ return ( _PDCLIB_flushbuffer( stream ) == 0 ) ? c : EOF;
}
return c;
}
+int fputc( int c, FILE * stream )
+{
+ flockfile( stream );
+ int r = fputc_unlocked( c, stream );
+ funlockfile( stream );
+ return r;
+}
+
#endif
#ifdef TEST
int main( void )
{
- FILE * fh;
- char buffer[100];
- TESTCASE( ( fh = fopen( "testfile", "w" ) ) != NULL );
- TESTCASE( fputc( '!', fh ) == '!' );
- TESTCASE( fclose( fh ) == 0 );
- TESTCASE( ( fh = fopen( "testfile", "r" ) ) != NULL );
- TESTCASE( fread( buffer, 1, 1, fh ) == 1 );
- TESTCASE( buffer[0] == '!' );
- TESTCASE( fclose( fh ) == 0 );
+ /* Testing covered by ftell.c */
return TEST_RESULTS;
}