some fixes to freopen

diff --git a/lang/cem/libcc/stdio/freopen.c b/lang/cem/libcc/stdio/freopen.c
index dfc2cb5..c217212 100644 (file)
--- 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);
 }