> Return value of strerror_r is wrong; must be char*
Current upstream (2.44 in fact, but I think unchanged since 2.39)
reads as below. Where is the problem?
Cheers,
Michael
(upstream maintainer)
SYNOPSIS
#include <string.h>
char *strerror(int errnum);
char *strerror_r(int errnum, char *buf, size_t buflen);
/* GNU-specific strerror_r() */
#define _XOPEN_SOURCE 600
#include <string.h>
int strerror_r(int errnum, char *buf, size_t buflen);
/* XSI-compliant strerror_r() */
DESCRIPTION
[...]
The XSI-compliant strerror_r() is preferred for portable
applications. It returns the error string in the user-sup-
plied buffer buf of length buflen.
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.
--
Michael Kerrisk
maintainer of Linux man pages Sections 2, 3, 4, 5, and 7
Want to help with man page maintenance?
Grab the latest tarball at
ftp://ftp.win.tue.nl/pub/linux-local/manpages/,
read the HOWTOHELP file and grep the source
files for 'FIXME'.
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