X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fbasic%2Ftime-util.c;h=7fb3745d6c317f1dc0109f070d13c85d5388ed55;hb=eaca07ccfdf5d7dabc50afc7e539c2413dd69d3e;hp=95b837a85ba9313a1cd47b39a97b145979088ea3;hpb=b96ed50e3493103d075ff2ce4c3fbad8f26b2e22;p=elogind.git diff --git a/src/basic/time-util.c b/src/basic/time-util.c index 95b837a85..7fb3745d6 100644 --- a/src/basic/time-util.c +++ b/src/basic/time-util.c @@ -19,15 +19,19 @@ along with systemd; If not, see . ***/ -#include #include -#include #include +#include -#include "util.h" -#include "time-util.h" +#include "alloc-util.h" +#include "fd-util.h" +#include "fileio.h" +#include "fs-util.h" #include "path-util.h" +#include "string-util.h" #include "strv.h" +#include "time-util.h" +#include "util.h" usec_t now(clockid_t clock_id) { struct timespec ts; @@ -210,11 +214,8 @@ static char *format_timestamp_internal(char *buf, size_t l, usec_t t, bool utc) return NULL; sec = (time_t) (t / USEC_PER_SEC); + localtime_or_gmtime_r(&sec, &tm, utc); - if (utc) - gmtime_r(&sec, &tm); - else - localtime_r(&sec, &tm); if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S %Z", &tm) <= 0) return NULL; @@ -243,10 +244,7 @@ static char *format_timestamp_internal_us(char *buf, size_t l, usec_t t, bool ut return NULL; sec = (time_t) (t / USEC_PER_SEC); - if (utc) - gmtime_r(&sec, &tm); - else - localtime_r(&sec, &tm); + localtime_or_gmtime_r(&sec, &tm, utc); if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S", &tm) <= 0) return NULL; @@ -497,7 +495,7 @@ int parse_timestamp(const char *t, usec_t *usec) { }; const char *k; - bool utc; + const char *utc; struct tm tm, copy; time_t x; usec_t x_usec, plus = 0, minus = 0, ret; @@ -547,8 +545,8 @@ int parse_timestamp(const char *t, usec_t *usec) { goto finish; - } else if (endswith(t, " ago")) { - t = strndupa(t, strlen(t) - strlen(" ago")); + } else if ((k = endswith(t, " ago"))) { + t = strndupa(t, k - t); r = parse_sec(t, &minus); if (r < 0) @@ -556,8 +554,8 @@ int parse_timestamp(const char *t, usec_t *usec) { goto finish; - } else if (endswith(t, " left")) { - t = strndupa(t, strlen(t) - strlen(" left")); + } else if ((k = endswith(t, " left"))) { + t = strndupa(t, k - t); r = parse_sec(t, &plus); if (r < 0) @@ -568,7 +566,7 @@ int parse_timestamp(const char *t, usec_t *usec) { utc = endswith_no_case(t, " UTC"); if (utc) - t = strndupa(t, strlen(t) - strlen(" UTC")); + t = strndupa(t, utc - t); x = ret / USEC_PER_SEC; x_usec = 0; @@ -721,7 +719,8 @@ finish: } #endif // 0 -int parse_sec(const char *t, usec_t *usec) { +int parse_time(const char *t, usec_t *usec, usec_t default_unit) { + static const struct { const char *suffix; usec_t usec; @@ -735,6 +734,7 @@ int parse_sec(const char *t, usec_t *usec) { { "min", USEC_PER_MINUTE }, { "months", USEC_PER_MONTH }, { "month", USEC_PER_MONTH }, + { "M", USEC_PER_MONTH }, { "msec", USEC_PER_MSEC }, { "ms", USEC_PER_MSEC }, { "m", USEC_PER_MINUTE }, @@ -753,7 +753,6 @@ int parse_sec(const char *t, usec_t *usec) { { "y", USEC_PER_YEAR }, { "usec", 1ULL }, { "us", 1ULL }, - { "", USEC_PER_SEC }, /* default is sec */ }; const char *p, *s; @@ -762,6 +761,7 @@ int parse_sec(const char *t, usec_t *usec) { assert(t); assert(usec); + assert(default_unit > 0); p = t; @@ -780,6 +780,7 @@ int parse_sec(const char *t, usec_t *usec) { long long l, z = 0; char *e; unsigned i, n = 0; + usec_t multiplier, k; p += strspn(p, WHITESPACE); @@ -822,21 +823,24 @@ int parse_sec(const char *t, usec_t *usec) { for (i = 0; i < ELEMENTSOF(table); i++) if (startswith(e, table[i].suffix)) { - usec_t k = (usec_t) z * table[i].usec; - - for (; n > 0; n--) - k /= 10; - - r += (usec_t) l * table[i].usec + k; + multiplier = table[i].usec; p = e + strlen(table[i].suffix); - - something = true; break; } - if (i >= ELEMENTSOF(table)) - return -EINVAL; + if (i >= ELEMENTSOF(table)) { + multiplier = default_unit; + p = e; + } + something = true; + + k = (usec_t) z * multiplier; + + for (; n > 0; n--) + k /= 10; + + r += (usec_t) l * multiplier + k; } *usec = r; @@ -844,6 +848,10 @@ int parse_sec(const char *t, usec_t *usec) { return 0; } +int parse_sec(const char *t, usec_t *usec) { + return parse_time(t, usec, USEC_PER_SEC); +} + /// UNNEEDED by elogind #if 0 int parse_nsec(const char *t, nsec_t *nsec) { @@ -1132,4 +1140,29 @@ int get_timezone(char **tz) { *tz = z; return 0; } + +time_t mktime_or_timegm(struct tm *tm, bool utc) { + return utc ? timegm(tm) : mktime(tm); +} +#endif // 0 + +struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc) { + return utc ? gmtime_r(t, tm) : localtime_r(t, tm); +} + +/// UNNEEDED by elogind +#if 0 +unsigned long usec_to_jiffies(usec_t u) { + static thread_local unsigned long hz = 0; + long r; + + if (hz == 0) { + r = sysconf(_SC_CLK_TCK); + + assert(r > 0); + hz = (unsigned long) r; + } + + return DIV_ROUND_UP(u , USEC_PER_SEC / hz); +} #endif // 0