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| author | Michael Tuexen <tuexen@fh-muenster.de> | 2020-05-18 14:09:04 +0200 |
|---|---|---|
| committer | Michael Tuexen <tuexen@fh-muenster.de> | 2020-05-18 14:09:04 +0200 |
| commit | d98d2c4c6f4a6a8cafef2a6a2c81de0137a07da0 (patch) | |
| tree | 600285fcf4330386fd6cc98a0dc63f44e09be67b /programs/daytime_server_upcall.c | |
| parent | a05154264872ec8e5d4143ac841a306f54ace231 (diff) | |
| download | usrsctp-d98d2c4c6f4a6a8cafef2a6a2c81de0137a07da0.tar.gz | |
Check return value of snprintf().
This should fix https://github.com/sctplab/usrsctp/issues/453.
Diffstat (limited to 'programs/daytime_server_upcall.c')
| -rw-r--r-- | programs/daytime_server_upcall.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/programs/daytime_server_upcall.c b/programs/daytime_server_upcall.c index b85cb256..87017cf2 100644 --- a/programs/daytime_server_upcall.c +++ b/programs/daytime_server_upcall.c @@ -69,10 +69,12 @@ handle_accept(struct socket *sock, void *data, int flags) } time(&now); #ifdef _WIN32 - _snprintf(buffer, sizeof(buffer), "%s", ctime(&now)); + if (_snprintf(buffer, sizeof(buffer), "%s", ctime(&now)) < 0) { #else - snprintf(buffer, sizeof(buffer), "%s", ctime(&now)); + if (snprintf(buffer, sizeof(buffer), "%s", ctime(&now)) < 0) { #endif + buffer[0] = '\0'; + } sndinfo.snd_sid = 0; sndinfo.snd_flags = 0; sndinfo.snd_ppid = htonl(DAYTIME_PPID); |