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always flush line-buffered output when filling an input buffer

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This commit is contained in:
eck 1990-06-21 11:13:23 +00:00
parent 6c5c8c980e
commit 472ee0cea4
1 changed files with 7 additions and 7 deletions
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6
lang/cem/libcc.ansi/stdio/fillbuf.c
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@ -13,6 +13,7 @@ int
__fillbuf(register FILE *stream)
{
static unsigned char ch[FOPEN_MAX];
register int i;
stream->_count = 0;
if (fileno(stream) < 0) return EOF;
@ -33,14 +34,13 @@ __fillbuf(register FILE *stream)
stream->_bufsiz = BUFSIZ;
}
}
if (io_testflag(stream, _IONBF | _IOLBF)) {
register int i;
/* flush line-buffered output when filling an input buffer */
for (i = 0; i < FOPEN_MAX; i++) {
if (__iotab[i] && io_testflag(__iotab[i], _IOLBF))
if (io_testflag(__iotab[i], _IOWRITING))
(void) fflush(__iotab[i]);
}
}
if (!stream->_buf) {
stream->_buf = &ch[fileno(stream)];