- stream->upto = stream->fbuf;
-#ifdef __OS2__
- rc = DosRead(stream->hfile,
- stream->fbuf,
- stream->szfbuf,
- &tempRead);
- left = toread - *actualRead;
- if (rc != 0)
- {
- tempRead = 0;
- stream->errorInd = 1;
- errno = rc;
- }
-#endif
-#ifdef __MSDOS__
- tempRead = __read(stream->hfile,
- stream->fbuf,
- stream->szfbuf,
- &errind);
- left = toread - *actualRead;
- if (errind)
- {
- errno = tempRead;
- tempRead = 0;
- stream->errorInd = 1;
- }
-#endif
- else if (tempRead < left)
- {
- stream->eofInd = 1;
- }
- stream->endbuf = stream->fbuf + tempRead;
- *stream->endbuf = '\n';
- avail = (size_t)(stream->endbuf - stream->upto);
- if (avail > left)
- {
- avail = left;
- }
- memcpy((char *)ptr + *actualRead,
- stream->upto,
- avail);
- stream->upto += avail;
- *actualRead += avail;
- }
- return;
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+ FILE * fh;
+ char const * message = "Testing fwrite()...\n";
+ char buffer[21];
+ buffer[20] = 'x';
+ TESTCASE( ( fh = tmpfile() ) != NULL );
+ /* fwrite() / readback */
+ TESTCASE( fwrite( message, 1, 20, fh ) == 20 );
+ rewind( fh );
+ TESTCASE( fread( buffer, 1, 20, fh ) == 20 );
+ TESTCASE( memcmp( buffer, message, 20 ) == 0 );
+ TESTCASE( buffer[20] == 'x' );
+ /* same, different nmemb / size settings */
+ rewind( fh );
+ TESTCASE( memset( buffer, '\0', 20 ) == buffer );
+ TESTCASE( fwrite( message, 5, 4, fh ) == 4 );
+ rewind( fh );
+ TESTCASE( fread( buffer, 5, 4, fh ) == 4 );
+ TESTCASE( memcmp( buffer, message, 20 ) == 0 );
+ TESTCASE( buffer[20] == 'x' );
+ /* same... */
+ rewind( fh );
+ TESTCASE( memset( buffer, '\0', 20 ) == buffer );
+ TESTCASE( fwrite( message, 20, 1, fh ) == 1 );
+ rewind( fh );
+ TESTCASE( fread( buffer, 20, 1, fh ) == 1 );
+ TESTCASE( memcmp( buffer, message, 20 ) == 0 );
+ TESTCASE( buffer[20] == 'x' );
+ /* Done. */
+ TESTCASE( fclose( fh ) == 0 );
+ return TEST_RESULTS;