Switched to tmpfile() where appropriate.

[fw/pdclib] / functions / stdio / setbuf.c

diff --git a/functions/stdio/setbuf.c b/functions/stdio/setbuf.c
index d51582f975c3c8b13afb3d0c066d8849d369a294..fe83277586bfbca905781d63a83dbd01e444ca1a 100644 (file)
--- a/functions/stdio/setbuf.c
+++ b/functions/stdio/setbuf.c
@@ -10,9 +10,8 @@
 
 #ifndef REGTEST
 
-void setbuf( FILE * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf )
+void setbuf( struct _PDCLIB_file_t * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf )
 {
-    /* TODO: Only allowed on a "virgin" stream; add check. */
     if ( buf == NULL )
     {
         setvbuf( stream, buf, _IONBF, BUFSIZ );
@@ -27,10 +26,29 @@ void setbuf( FILE * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf )
 
 #ifdef TEST
 #include <_PDCLIB_test.h>
+#include <stdlib.h>
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    /* TODO: Extend testing once setvbuf() is finished. */
+#ifndef REGTEST
+    char buffer[ BUFSIZ + 1 ];
+    FILE * fh;
+    /* full buffered */
+    TESTCASE( ( fh = tmpfile() ) != NULL );
+    setbuf( fh, buffer );
+    TESTCASE( fh->buffer == buffer );
+    TESTCASE( fh->bufsize == BUFSIZ );
+    TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IOFBF );
+    TESTCASE( fclose( fh ) == 0 );
+    /* not buffered */
+    TESTCASE( ( fh = tmpfile() ) != NULL );
+    setbuf( fh, NULL );
+    TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IONBF );
+    TESTCASE( fclose( fh ) == 0 );
+#else
+    puts( " NOTEST setbuf() test driver is PDCLib-specific." );
+#endif
     return TEST_RESULTS;
 }