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some fixes to freopen

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This commit is contained in:
ceriel 1987-08-17 14:23:16 +00:00
parent 76d34a00e6
commit c7990b3d31
1 changed files with 3 additions and 5 deletions
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8
lang/cem/libcc/stdio/freopen.c
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@ -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);
}