diff options
Diffstat (limited to 'string/xpg-strerror.c')
| -rw-r--r-- | string/xpg-strerror.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/string/xpg-strerror.c b/string/xpg-strerror.c index 00256c3dac..10fc1bf99f 100644 --- a/string/xpg-strerror.c +++ b/string/xpg-strerror.c @@ -19,20 +19,10 @@ #include <assert.h> #include <errno.h> -#include <libintl.h> #include <stdio.h> #include <string.h> #include <sys/param.h> -#include <stdio-common/_itoa.h> -/* It is critical here that we always use the `dcgettext' function for - the message translation. Since <libintl.h> only defines the macro - `dgettext' to use `dcgettext' for optimizing programs this is not - always guaranteed. */ -#ifndef dgettext -# include <locale.h> /* We need LC_MESSAGES. */ -# define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES) -#endif /* Fill buf with a string describing the errno code in ERRNUM. */ int @@ -41,13 +31,18 @@ __xpg_strerror_r (int errnum, char *buf, size_t buflen) const char *estr = __strerror_r (errnum, buf, buflen); size_t estrlen = strlen (estr); - if (errnum < 0 || errnum >= _sys_nerr_internal - || _sys_errlist_internal[errnum] == NULL) - return EINVAL; - - assert (estr != buf); -/* Terminate the string in any case. */ - *((char *) __mempcpy (buf, estr, MIN (buflen - 1, estrlen))) = '\0'; + if (estr == buf) + { + assert (errnum < 0 || errnum >= _sys_nerr_internal + || _sys_errlist_internal[errnum] == NULL); + return EINVAL; + } + assert (errnum >= 0 && errnum < _sys_nerr_internal + && _sys_errlist_internal[errnum] != NULL); + + /* Terminate the string in any case. */ + if (buflen > 0) + *((char *) __mempcpy (buf, estr, MIN (buflen - 1, estrlen))) = '\0'; return buflen <= estrlen ? ERANGE : 0; } |