diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-04-21 00:19:55 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-04-21 00:19:55 +0000 |
| commit | e02f9f682237b67a54d279e86421f63621944bd7 (patch) | |
| tree | ee9c2eea958a22a131b45d8f7c146d368c7b1098 | |
| parent | eac56f78004e6fc7e746a743c1159c49c62aac5b (diff) | |
bail out early, skip snprintf, if buflen is 0; ok cloder
| -rw-r--r-- | libexec/telnetd/global.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libexec/telnetd/global.c b/libexec/telnetd/global.c index 841fbb5ae80..395102757f8 100644 --- a/libexec/telnetd/global.c +++ b/libexec/telnetd/global.c @@ -93,6 +93,8 @@ output_data (const char *format, ...) va_start(args, format); remaining = BUFSIZ - (nfrontp - netobuf); + if (remaining == 0) + return remaining; if ((n = vsnprintf(nfrontp, remaining, format, args)) >= remaining || n < 0) n = strlen(nfrontp); nfrontp += n; |