diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-04-11 18:34:10 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-04-11 18:34:10 +0000 |
| commit | 5fd1dbf48cdd6b86eaa496175dac21435caff009 (patch) | |
| tree | e34083bd58188abc4bd1ad851f0a668f27333c10 /lib/libc | |
| parent | 463dbb3ab54a29ffb2011e73fdca4dc52e4f162d (diff) | |
more snprintf return value sloppiness; ok otto
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/rpc/clnt_perror.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/libc/rpc/clnt_perror.c b/lib/libc/rpc/clnt_perror.c index 984ccc7b7f6..a50b4f61f0e 100644 --- a/lib/libc/rpc/clnt_perror.c +++ b/lib/libc/rpc/clnt_perror.c @@ -28,7 +28,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$OpenBSD: clnt_perror.c,v 1.16 2005/04/01 07:44:03 otto Exp $"; +static char *rcsid = "$OpenBSD: clnt_perror.c,v 1.17 2005/04/11 18:34:09 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ /* @@ -77,6 +77,8 @@ clnt_sperror(CLIENT *rpch, char *s) ret = snprintf(str, len, "%s: %s", s, clnt_sperrno(e.re_status)); if (ret == -1) ret = 0; + else if (ret >= len) + ret = len; str += ret; len -= ret; if (str > strstart + CLNT_PERROR_BUFLEN) @@ -112,15 +114,17 @@ clnt_sperror(CLIENT *rpch, char *s) ret = snprintf(str, len, "; why = "); if (ret == -1) ret = 0; + else if (ret >= len) + ret = len; str += ret; len -= ret; if (str > strstart + CLNT_PERROR_BUFLEN) goto truncated; err = auth_errmsg(e.re_why); if (err != NULL) { - ret = snprintf(str, len, "%s\n", err); + snprintf(str, len, "%s\n", err); } else { - ret = snprintf(str, len, + snprintf(str, len, "(unknown authentication error - %d)\n", (int) e.re_why); } |