X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Ftime-util.c;h=55428c4ced93cd9a6a5ae37f37d56137c5053c71;hp=b6a2bec15693161bc7e1b6ccd38cb6515611a3d4;hb=5b12334d35eadf1f45cc3d631fd1a2e72ffaea0a;hpb=2fa4092c2829dd14e50c430ae2f23551d23c6c1d diff --git a/src/shared/time-util.c b/src/shared/time-util.c index b6a2bec15..55428c4ce 100644 --- a/src/shared/time-util.c +++ b/src/shared/time-util.c @@ -21,6 +21,7 @@ #include #include +#include #include "util.h" #include "time-util.h" @@ -157,7 +158,7 @@ char *format_timestamp(char *buf, size_t l, usec_t t) { assert(buf); assert(l > 0); - if (t <= 0) + if (t <= 0 || t == (usec_t) -1) return NULL; sec = (time_t) (t / USEC_PER_SEC); @@ -168,56 +169,85 @@ char *format_timestamp(char *buf, size_t l, usec_t t) { return buf; } +char *format_timestamp_us(char *buf, size_t l, usec_t t) { + struct tm tm; + time_t sec; + + assert(buf); + assert(l > 0); + + if (t <= 0 || t == (usec_t) -1) + return NULL; + + sec = (time_t) (t / USEC_PER_SEC); + localtime_r(&sec, &tm); + + if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S", &tm) <= 0) + return NULL; + snprintf(buf + strlen(buf), l - strlen(buf), ".%06llu", t % USEC_PER_SEC); + if (strftime(buf + strlen(buf), l - strlen(buf), " %Z", &tm) <= 0) + return NULL; + + return buf; +} + char *format_timestamp_relative(char *buf, size_t l, usec_t t) { + const char *s; usec_t n, d; n = now(CLOCK_REALTIME); - if (t <= 0 || t > n || t + USEC_PER_DAY*7 <= t) + if (t <= 0 || (t == (usec_t) -1)) return NULL; - d = n - t; + if (n > t) { + d = n - t; + s = "ago"; + } else { + d = t - n; + s = "left"; + } if (d >= USEC_PER_YEAR) - snprintf(buf, l, "%llu years %llu months ago", + snprintf(buf, l, "%llu years %llu months %s", (unsigned long long) (d / USEC_PER_YEAR), - (unsigned long long) ((d % USEC_PER_YEAR) / USEC_PER_MONTH)); + (unsigned long long) ((d % USEC_PER_YEAR) / USEC_PER_MONTH), s); else if (d >= USEC_PER_MONTH) - snprintf(buf, l, "%llu months %llu days ago", + snprintf(buf, l, "%llu months %llu days %s", (unsigned long long) (d / USEC_PER_MONTH), - (unsigned long long) ((d % USEC_PER_MONTH) / USEC_PER_DAY)); + (unsigned long long) ((d % USEC_PER_MONTH) / USEC_PER_DAY), s); else if (d >= USEC_PER_WEEK) - snprintf(buf, l, "%llu weeks %llu days ago", + snprintf(buf, l, "%llu weeks %llu days %s", (unsigned long long) (d / USEC_PER_WEEK), - (unsigned long long) ((d % USEC_PER_WEEK) / USEC_PER_DAY)); + (unsigned long long) ((d % USEC_PER_WEEK) / USEC_PER_DAY), s); else if (d >= 2*USEC_PER_DAY) - snprintf(buf, l, "%llu days ago", (unsigned long long) (d / USEC_PER_DAY)); + snprintf(buf, l, "%llu days %s", (unsigned long long) (d / USEC_PER_DAY), s); else if (d >= 25*USEC_PER_HOUR) - snprintf(buf, l, "1 day %lluh ago", - (unsigned long long) ((d - USEC_PER_DAY) / USEC_PER_HOUR)); + snprintf(buf, l, "1 day %lluh %s", + (unsigned long long) ((d - USEC_PER_DAY) / USEC_PER_HOUR), s); else if (d >= 6*USEC_PER_HOUR) - snprintf(buf, l, "%lluh ago", - (unsigned long long) (d / USEC_PER_HOUR)); + snprintf(buf, l, "%lluh %s", + (unsigned long long) (d / USEC_PER_HOUR), s); else if (d >= USEC_PER_HOUR) - snprintf(buf, l, "%lluh %llumin ago", + snprintf(buf, l, "%lluh %llumin %s", (unsigned long long) (d / USEC_PER_HOUR), - (unsigned long long) ((d % USEC_PER_HOUR) / USEC_PER_MINUTE)); + (unsigned long long) ((d % USEC_PER_HOUR) / USEC_PER_MINUTE), s); else if (d >= 5*USEC_PER_MINUTE) - snprintf(buf, l, "%llumin ago", - (unsigned long long) (d / USEC_PER_MINUTE)); + snprintf(buf, l, "%llumin %s", + (unsigned long long) (d / USEC_PER_MINUTE), s); else if (d >= USEC_PER_MINUTE) - snprintf(buf, l, "%llumin %llus ago", + snprintf(buf, l, "%llumin %llus %s", (unsigned long long) (d / USEC_PER_MINUTE), - (unsigned long long) ((d % USEC_PER_MINUTE) / USEC_PER_SEC)); + (unsigned long long) ((d % USEC_PER_MINUTE) / USEC_PER_SEC), s); else if (d >= USEC_PER_SEC) - snprintf(buf, l, "%llus ago", - (unsigned long long) (d / USEC_PER_SEC)); + snprintf(buf, l, "%llus %s", + (unsigned long long) (d / USEC_PER_SEC), s); else if (d >= USEC_PER_MSEC) - snprintf(buf, l, "%llums ago", - (unsigned long long) (d / USEC_PER_MSEC)); + snprintf(buf, l, "%llums %s", + (unsigned long long) (d / USEC_PER_MSEC), s); else if (d > 0) - snprintf(buf, l, "%lluus ago", - (unsigned long long) d); + snprintf(buf, l, "%lluus %s", + (unsigned long long) d, s); else snprintf(buf, l, "now"); @@ -251,23 +281,25 @@ char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy) { if (t == (usec_t) -1) return NULL; + if (t <= 0) { + snprintf(p, l, "0"); + p[l-1] = 0; + return p; + } + /* The result of this function can be parsed with parse_sec */ for (i = 0; i < ELEMENTSOF(table); i++) { - int k; + int k = 0; size_t n; bool done = false; usec_t a, b; - if (t == 0 || t < accuracy) { - if (!something) { - snprintf(p, l, "0"); - p[l-1] = 0; - return p; - } + if (t <= 0) + break; + if (t < accuracy && something) break; - } if (t < table[i].usec) continue; @@ -322,7 +354,6 @@ char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy) { l -= n; p += n; - something = true; } @@ -455,6 +486,18 @@ int parse_timestamp(const char *t, usec_t *usec) { if (r < 0) return r; + goto finish; + } else if (endswith(t, " left")) { + _cleanup_free_ char *z; + + z = strndup(t, strlen(t) - 4); + if (!z) + return -ENOMEM; + + r = parse_sec(z, &plus); + if (r < 0) + return r; + goto finish; } @@ -769,3 +812,15 @@ int parse_nsec(const char *t, nsec_t *nsec) { return 0; } + +bool ntp_synced(void) { + struct timex txc = {}; + + if (adjtimex(&txc) < 0) + return false; + + if (txc.status & STA_UNSYNC) + return false; + + return true; +}