set _IOMYBUF in setvbuf() when necessary
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1 changed files with 7 additions and 2 deletions
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@ -23,8 +23,13 @@ setvbuf(register FILE *stream, char *buf, int mode, size_t size)
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stream->_flags &= ~(_IOMYBUF | _IONBF | _IOLBF);
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stream->_flags &= ~(_IOMYBUF | _IONBF | _IOLBF);
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if (!buf && (mode != _IONBF))
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if (!buf && (mode != _IONBF)) {
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if ((buf = (char *) malloc(size)) == NULL) retval = EOF;
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if ((buf = (char *) malloc(size)) == NULL) {
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retval = EOF;
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} else {
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stream->_flags |= _IOMYBUF;
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}
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}
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if (io_testflag(stream, _IOREADING) || io_testflag(stream, _IOWRITING))
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if (io_testflag(stream, _IOREADING) || io_testflag(stream, _IOWRITING))
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retval = EOF;
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retval = EOF;
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