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set _IOMYBUF in setvbuf() when necessary

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eck 1990-12-14 14:47:26 +00:00
parent b7495e5f55
commit 4bf2f9c703
1 changed files with 7 additions and 2 deletions
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9
lang/cem/libcc.ansi/stdio/setvbuf.c
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@ -23,8 +23,13 @@ setvbuf(register FILE *stream, char *buf, int mode, size_t size)
stream->_flags &= ~(_IOMYBUF | _IONBF | _IOLBF); stream->_flags &= ~(_IOMYBUF | _IONBF | _IOLBF);
if (!buf && (mode != _IONBF)) if (!buf && (mode != _IONBF)) {
if ((buf = (char *) malloc(size)) == NULL) retval = EOF; if ((buf = (char *) malloc(size)) == NULL) {
retval = EOF;
} else {
stream->_flags |= _IOMYBUF;
}
}
if (io_testflag(stream, _IOREADING) || io_testflag(stream, _IOWRITING)) if (io_testflag(stream, _IOREADING) || io_testflag(stream, _IOWRITING))
retval = EOF; retval = EOF;