diff options
Diffstat (limited to 'src/timedate/timedated.c')
| -rw-r--r-- | src/timedate/timedated.c | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c index 2a10135fba..0febc36af8 100644 --- a/src/timedate/timedated.c +++ b/src/timedate/timedated.c @@ -78,7 +78,7 @@ static int context_read_data(Context *c) { c->zone = t; t = NULL; - c->local_rtc = clock_is_localtime() > 0; + c->local_rtc = clock_is_localtime(NULL) > 0; return 0; } @@ -125,30 +125,44 @@ static int context_write_data_local_rtc(Context *c) { if (!w) return -ENOMEM; } else { - char *p, *e; + char *p; + const char *e = "\n"; /* default if there is less than 3 lines */ + const char *prepend = ""; size_t a, b; - p = strchr(s, '\n'); - if (!p) - return -EIO; - - p = strchr(p+1, '\n'); - if (!p) - return -EIO; - - p++; - e = strchr(p, '\n'); - if (!e) - return -EIO; + p = strchrnul(s, '\n'); + if (*p == '\0') + /* only one line, no \n terminator */ + prepend = "\n0\n"; + else if (p[1] == '\0') { + /* only one line, with \n terminator */ + ++p; + prepend = "0\n"; + } else { + p = strchr(p+1, '\n'); + if (!p) { + /* only two lines, no \n terminator */ + prepend = "\n"; + p = s + strlen(s); + } else { + char *end; + /* third line might have a \n terminator or not */ + p++; + end = strchr(p, '\n'); + /* if we actually have a fourth line, use that as suffix "e", otherwise the default \n */ + if (end) + e = end; + } + } a = p - s; b = strlen(e); - w = new(char, a + (c->local_rtc ? 5 : 3) + b + 1); + w = new(char, a + (c->local_rtc ? 5 : 3) + strlen(prepend) + b + 1); if (!w) return -ENOMEM; - *(char*) mempcpy(stpcpy(mempcpy(w, s, a), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0; + *(char*) mempcpy(stpcpy(stpcpy(mempcpy(w, s, a), prepend), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0; if (streq(w, NULL_ADJTIME_UTC)) { if (unlink("/etc/adjtime") < 0) |