From: ceriel <none@none>
Date: Mon, 17 Aug 1987 14:23:16 +0000 (+0000)
Subject: some fixes to freopen
X-Git-Tag: release-5-5~3893
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=c7990b3d314c0f4543f030c0a87d64d64496014f;p=ack.git

some fixes to freopen
---

diff --git a/lang/cem/libcc/stdio/freopen.c b/lang/cem/libcc/stdio/freopen.c
index dfc2cb59f..c217212c1 100644
--- a/lang/cem/libcc/stdio/freopen.c
+++ b/lang/cem/libcc/stdio/freopen.c
@@ -6,15 +6,14 @@
 
 FILE *freopen(name,mode,fp)
 char *name , *mode;
-FILE *fp;
+register FILE *fp;
 {
 	char *malloc();
 	int fd,
-	flags = 0;
+	flags = fp->_flags & ~(IO_WRITEMODE|IO_READMODE|IO_ERR|IO_EOF|IO_PERPRINTF);
 
 	fflush(fp);
 	close(fileno(fp));
-	if (io_testflag(fp, IO_MYBUF) && fp->_buf) free(fp->_buf);
 
 	switch(*mode){
 
@@ -51,10 +50,9 @@ FILE *fp;
 		if (fp != &_stdin && fp != &_stdout && fp != &_stderr) free(fp);
 		return NULL;
 	}
-
 	fp->_count = 0;
+	if (fp->_buf) fp->_count = BUFSIZ;
 	fp->_fd = fd;
 	fp->_flags = flags;
-	fp->_buf = 0;
 	return(fp);
 }