diff options
| 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 | 4b3445eae2d7564a4289afb2255dd4c60777519b (patch) | |
| tree | 44d585f648aef7ff51a34121051a7bfabe84de69 /pw/pw_conf.c | |
| parent | 6d8540bb6ceb61f56a116c62fba48287e24bbb65 (diff) | |
| download | pw-darwin-4b3445eae2d7564a4289afb2255dd4c60777519b.tar.gz pw-darwin-4b3445eae2d7564a4289afb2255dd4c60777519b.tar.zst pw-darwin-4b3445eae2d7564a4289afb2255dd4c60777519b.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; |