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[Bug libc/5532] Not clear behaviour of function strerror_r
- From: "ylalym at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 3 Jan 2008 00:25:50 -0000
- Subject: [Bug libc/5532] Not clear behaviour of function strerror_r
- References: <20080102144419.5532.ylalym@gmail.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From ylalym at gmail dot com 2008-01-03 00:25 -------
The GNU-specific strerror_r() returns a pointer to a string containing
the error message. This may be either a pointer to a string that the
function stores in buf, or a pointer to some (immutable) static string
(in which case buf is unused). If the function stores a string in buf,
then at most buflen bytes are stored (the string may be truncated if
buflen is too small) and the string always includes a terminating null
byte.
But really given version of this function never uses the buffer.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=5532
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