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Maciej Karpiuk fixed a crash that would occur if we passed Curl_strerror()

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an unknown error number on glibc systems.
http://curl.haxx.se/bug/view.cgi?id=1532289
This commit is contained in:
Daniel Stenberg 2006-08-01 09:39:01 +00:00
parent 9f579f12fc
commit ee642859ef
3 changed files with 15 additions and 5 deletions
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7
CHANGES
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@ -6,8 +6,13 @@
Changelog
Daniel (1 August 2006)
- Maciej Karpiuk fixed a crash that would occur if we passed Curl_strerror()
an unknown error number on glibc systems.
http://curl.haxx.se/bug/view.cgi?id=1532289
Daniel (31 July 2006)
- *ARLERT* curl_multi_socket() and curl_multi_socket_all() got modified
- *ALERT* curl_multi_socket() and curl_multi_socket_all() got modified
prototypes: they both now provide the number of running handles back to the
calling function. It makes the functions resemble the good old
curl_multi_perform() more and provides a nice way to know when the multi

4
RELEASE-NOTES
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@ -24,6 +24,7 @@ This release includes the following changes:
This release includes the following bugfixes:
o Curl_strerror() crash on unknown errors
o changing Content-Type when doing formposts
o added CURL_EXTERN to a few recent multi functions that lacked them
o splay-tree related problems for internal expire time handling
@ -49,6 +50,7 @@ advice from friends like these:
Dan Fandrich, Peter Silva, Arve Knudsen, Michael Wallner, Toshiyuki Maezawa,
Ingmar Runge, Ates Goral, David McCreedy, Jari Sundell, Georg Horn,
Gisle Vanem, Yang Tse, Michael Jerris, Dan Nelson, Yves Lejeune
Gisle Vanem, Yang Tse, Michael Jerris, Dan Nelson, Yves Lejeune,
Maciej Karpiuk
Thanks! (and sorry if I forgot to mention someone)

9
lib/strerror.c
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@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2004, 2006, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 2004 - 2006, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -637,8 +637,11 @@ const char *Curl_strerror(struct connectdata *conn, int err)
char *msg = strerror_r(err, buffer, sizeof(buffer));
/* this version of strerror_r() only *might* use the buffer we pass to
the function, but it always returns the error message as a pointer,
so we must copy that string unconditionally */
strncpy(buf, msg, max);
so we must copy that string unconditionally (if non-NULL) */
if(msg)
strncpy(buf, msg, max);
else
snprintf(buf, max, "Unknown error %d", err);
}
#endif /* end of HAVE_GLIBC_STRERROR_R */
#else /* HAVE_STRERROR_R */