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| author | Brian Somers <brian@FreeBSD.org> | 2001-08-20 13:24:39 +0000 |
|---|---|---|
| committer | Brian Somers <brian@FreeBSD.org> | 2001-08-20 13:24:39 +0000 |
| commit | fee8e0724b96f65b1c5b143b33b4a00b4b3c92f7 (patch) | |
| tree | 4af397f2f84ab2ab76a79d251069b1b105a455e0 /pw/pw_conf.c | |
| parent | 33f0d61904154e94936202cc7c56f3ae19e0939a (diff) | |
| download | pw-darwin-fee8e0724b96f65b1c5b143b33b4a00b4b3c92f7.tar.gz pw-darwin-fee8e0724b96f65b1c5b143b33b4a00b4b3c92f7.zip | |
Handle snprintf() returning -1.
MFC after: 2 weeks
Diffstat (limited to 'pw/pw_conf.c')
| -rw-r--r-- | pw/pw_conf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pw/pw_conf.c b/pw/pw_conf.c index 0580091..e4c5a4a 100644 --- a/pw/pw_conf.c +++ b/pw/pw_conf.c @@ -420,6 +420,8 @@ write_userconfig(char const * file) for (j = k = 0; j < _UC_MAXSHELLS && system_shells[j] != NULL; j++) { char lbuf[64]; int l = snprintf(lbuf, sizeof lbuf, "%s\"%s\"", k ? "," : "", system_shells[j]); + if (l == -1) + l = 0; if (l + k + 1 < len || extendline(&buf, &len, len + LNBUFSZ) != -1) { strcpy(buf + k, lbuf); k += l; @@ -438,6 +440,8 @@ write_userconfig(char const * file) for (j = k = 0; j < config.numgroups && config.groups[j] != NULL; j++) { char lbuf[64]; int l = snprintf(lbuf, sizeof lbuf, "%s\"%s\"", k ? "," : "", config.groups[j]); + if (l == -1) + l = 0; if (l + k + 1 < len || extendline(&buf, &len, len + 1024) != -1) { strcpy(buf + k, lbuf); k += l; |