diff options
Diffstat (limited to 'toys/date.c')
-rw-r--r-- | toys/date.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/toys/date.c b/toys/date.c deleted file mode 100644 index 925565a2..00000000 --- a/toys/date.c +++ /dev/null @@ -1,95 +0,0 @@ -/* vi: set sw=4 ts=4: - * - * date.c - set/get the date - * - * Copyright 2012 Andre Renaud <andre@bluewatersys.com> - * - * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/date.html - -USE_DATE(NEWTOY(date, "r:u", TOYFLAG_BIN)) - -config DATE - bool "date" - default y - help - usage: date [-u] [-r file] [+format] | mmddhhmm[[cc]yy] - - Set/get the current date/time -*/ - -#include "toys.h" - -DEFINE_GLOBALS( - char *file; -) - -#define TT this.date - -#define FLAG_u 1 -#define FLAG_r 2 - -void date_main(void) -{ - const char *format_string = "%a %b %e %H:%M:%S %Z %Y"; - time_t now = time(NULL); - struct tm tm; - - if (TT.file) { - struct stat st; - - xstat(TT.file, &st); - now = st.st_mtim.tv_sec; - } - ((toys.optflags & FLAG_u) ? gmtime_r : localtime_r)(&now, &tm); - - // Display the date? - if (!toys.optargs[0] || toys.optargs[0][0] == '+') { - if (toys.optargs[0]) format_string = toys.optargs[0]+1; - if (!strftime(toybuf, sizeof(toybuf), format_string, &tm)) - perror_msg("bad format `%s'", format_string); - - puts(toybuf); - - // Set the date - } else { - struct timeval tv; - char *s = *toys.optargs; - int len = strlen(s); - - if (len < 8 || len > 12 || (len & 1)) error_msg("bad date `%s'", s); - - // Date format: mmddhhmm[[cc]yy] - memset(&tm, 0, sizeof(tm)); - len = sscanf(s, "%2u%2u%2u%2u", &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, - &tm.tm_min); - tm.tm_mon--; - - // If year specified, overwrite one we fetched earlier - if (len > 8) { - sscanf(s, "%u", &tm.tm_year); - if (len == 12) tm.tm_year -= 1900; - /* 69-99 = 1969-1999, 0 - 68 = 2000-2068 */ - else if (tm.tm_year < 69) tm.tm_year += 100; - } - - if (toys.optflags & FLAG_u) { - // Get the UTC version of a struct tm - char *tz = CFG_TOYBOX_FREE ? getenv("TZ") : 0; - setenv("TZ", "UTC", 1); - tzset(); - tv.tv_sec = mktime(&tm); - if (CFG_TOYBOX_FREE) { - if (tz) setenv("TZ", tz, 1); - else unsetenv("TZ"); - tzset(); - } - } else tv.tv_sec = mktime(&tm); - - if (tv.tv_sec == (time_t)-1) error_msg("bad `%s'", toys.optargs[0]); - tv.tv_usec = 0; - if (!strftime(toybuf, sizeof(toybuf), format_string, &tm)) - perror_msg("bad format `%s'", format_string); - puts(toybuf); - if (settimeofday(&tv, NULL) < 0) perror_msg("cannot set date"); - } -} |