From 5e1a84ab74d5e97582427f016f291a8c11e66f99 Mon Sep 17 00:00:00 2001 From: jutteau Date: Fri, 11 May 2007 18:10:19 +0000 Subject: Completion du script de mise à jour de la pc-104 : * Ajout des sources de busybox dans ./conf/busybox/ * Ajout d'un fichier réclamé par les script dans ./conf/busybox.links --- i/pc104/initrd/conf/busybox/coreutils/date.c | 241 +++++++++++++++++++++++++++ 1 file changed, 241 insertions(+) create mode 100644 i/pc104/initrd/conf/busybox/coreutils/date.c (limited to 'i/pc104/initrd/conf/busybox/coreutils/date.c') diff --git a/i/pc104/initrd/conf/busybox/coreutils/date.c b/i/pc104/initrd/conf/busybox/coreutils/date.c new file mode 100644 index 0000000..dfc8b2f --- /dev/null +++ b/i/pc104/initrd/conf/busybox/coreutils/date.c @@ -0,0 +1,241 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini date implementation for busybox + * + * by Matthew Grant + * + * iso-format handling added by Robert Griebl + * bugfixes and cleanup by Bernhard Fischer + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. +*/ + +#include "busybox.h" + +/* This 'date' command supports only 2 time setting formats, + all the GNU strftime stuff (its in libc, lets use it), + setting time using UTC and displaying it, as well as + an RFC 2822 compliant date output for shell scripting + mail commands */ + +/* Input parsing code is always bulky - used heavy duty libc stuff as + much as possible, missed out a lot of bounds checking */ + +/* Default input handling to save surprising some people */ + + +#define DATE_OPT_RFC2822 0x01 +#define DATE_OPT_SET 0x02 +#define DATE_OPT_UTC 0x04 +#define DATE_OPT_DATE 0x08 +#define DATE_OPT_REFERENCE 0x10 +#define DATE_OPT_TIMESPEC 0x20 +#define DATE_OPT_HINT 0x40 + +static void xputenv(char *s) +{ + if (putenv(s) != 0) + bb_error_msg_and_die(bb_msg_memory_exhausted); +} + +static void maybe_set_utc(int opt) +{ + if (opt & DATE_OPT_UTC) + xputenv((char*)"TZ=UTC0"); +} + +int date_main(int argc, char **argv); +int date_main(int argc, char **argv) +{ + time_t tm; + struct tm tm_time; + unsigned opt; + int ifmt = -1; + char *date_str = NULL; + char *date_fmt = NULL; + char *filename = NULL; + char *isofmt_arg; + char *hintfmt_arg; + + opt_complementary = "?:d--s:s--d" + USE_FEATURE_DATE_ISOFMT(":R--I:I--R"); + opt = getopt32(argc, argv, "Rs:ud:r:" + USE_FEATURE_DATE_ISOFMT("I::D:"), + &date_str, &date_str, &filename + USE_FEATURE_DATE_ISOFMT(, &isofmt_arg, &hintfmt_arg)); + maybe_set_utc(opt); + + if (ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_TIMESPEC)) { + if (!isofmt_arg) { + ifmt = 0; /* default is date */ + } else { + const char * const isoformats[] = + {"date", "hours", "minutes", "seconds"}; + + for (ifmt = 0; ifmt < 4; ifmt++) + if (!strcmp(isofmt_arg, isoformats[ifmt])) { + break; + } + if (ifmt == 4) /* parse error */ + bb_show_usage(); + } + } + + /* XXX, date_fmt == NULL from this always */ + if ((date_fmt == NULL) && (optind < argc) && (argv[optind][0] == '+')) { + date_fmt = &argv[optind][1]; /* Skip over the '+' */ + } else if (date_str == NULL) { + opt |= DATE_OPT_SET; + date_str = argv[optind]; + } + + /* Now we have parsed all the information except the date format + which depends on whether the clock is being set or read */ + + if (filename) { + struct stat statbuf; + xstat(filename, &statbuf); + tm = statbuf.st_mtime; + } else + time(&tm); + memcpy(&tm_time, localtime(&tm), sizeof(tm_time)); + /* Zero out fields - take her back to midnight! */ + if (date_str != NULL) { + tm_time.tm_sec = 0; + tm_time.tm_min = 0; + tm_time.tm_hour = 0; + + /* Process any date input to UNIX time since 1 Jan 1970 */ + if (ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_HINT)) { + strptime(date_str, hintfmt_arg, &tm_time); + } else if (strchr(date_str, ':') != NULL) { + /* Parse input and assign appropriately to tm_time */ + + if (sscanf(date_str, "%d:%d:%d", &tm_time.tm_hour, &tm_time.tm_min, + &tm_time.tm_sec) == 3) { + /* no adjustments needed */ + } else if (sscanf(date_str, "%d:%d", &tm_time.tm_hour, + &tm_time.tm_min) == 2) { + /* no adjustments needed */ + } else if (sscanf(date_str, "%d.%d-%d:%d:%d", &tm_time.tm_mon, + &tm_time.tm_mday, &tm_time.tm_hour, + &tm_time.tm_min, &tm_time.tm_sec) == 5) { + /* Adjust dates from 1-12 to 0-11 */ + tm_time.tm_mon -= 1; + } else if (sscanf(date_str, "%d.%d-%d:%d", &tm_time.tm_mon, + &tm_time.tm_mday, + &tm_time.tm_hour, &tm_time.tm_min) == 4) { + /* Adjust dates from 1-12 to 0-11 */ + tm_time.tm_mon -= 1; + } else if (sscanf(date_str, "%d.%d.%d-%d:%d:%d", &tm_time.tm_year, + &tm_time.tm_mon, &tm_time.tm_mday, + &tm_time.tm_hour, &tm_time.tm_min, + &tm_time.tm_sec) == 6) { + tm_time.tm_year -= 1900; /* Adjust years */ + tm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ + } else if (sscanf(date_str, "%d.%d.%d-%d:%d", &tm_time.tm_year, + &tm_time.tm_mon, &tm_time.tm_mday, + &tm_time.tm_hour, &tm_time.tm_min) == 5) { + tm_time.tm_year -= 1900; /* Adjust years */ + tm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ + } else { + bb_error_msg_and_die(bb_msg_invalid_date, date_str); + } + } else { + int nr; + char *cp; + + nr = sscanf(date_str, "%2d%2d%2d%2d%d", &tm_time.tm_mon, + &tm_time.tm_mday, &tm_time.tm_hour, &tm_time.tm_min, + &tm_time.tm_year); + + if (nr < 4 || nr > 5) { + bb_error_msg_and_die(bb_msg_invalid_date, date_str); + } + + cp = strchr(date_str, '.'); + if (cp) { + nr = sscanf(cp + 1, "%2d", &tm_time.tm_sec); + if (nr != 1) { + bb_error_msg_and_die(bb_msg_invalid_date, date_str); + } + } + + /* correct for century - minor Y2K problem here? */ + if (tm_time.tm_year >= 1900) { + tm_time.tm_year -= 1900; + } + /* adjust date */ + tm_time.tm_mon -= 1; + } + + /* Correct any day of week and day of year etc. fields */ + tm_time.tm_isdst = -1; /* Be sure to recheck dst. */ + tm = mktime(&tm_time); + if (tm < 0) { + bb_error_msg_and_die(bb_msg_invalid_date, date_str); + } + maybe_set_utc(opt); + + /* if setting time, set it */ + if ((opt & DATE_OPT_SET) && stime(&tm) < 0) { + bb_perror_msg("cannot set date"); + } + } + + /* Display output */ + + /* Deal with format string */ + + if (date_fmt == NULL) { + int i; + date_fmt = xzalloc(32); + if (ENABLE_FEATURE_DATE_ISOFMT && ifmt >= 0) { + strcpy(date_fmt, "%Y-%m-%d"); + if (ifmt > 0) { + i = 8; + date_fmt[i++] = 'T'; + date_fmt[i++] = '%'; + date_fmt[i++] = 'H'; + if (ifmt > 1) { + date_fmt[i++] = ':'; + date_fmt[i++] = '%'; + date_fmt[i++] = 'M'; + } + if (ifmt > 2) { + date_fmt[i++] = ':'; + date_fmt[i++] = '%'; + date_fmt[i++] = 'S'; + } +format_utc: + date_fmt[i++] = '%'; + date_fmt[i] = (opt & DATE_OPT_UTC) ? 'Z' : 'z'; + } + } else if (opt & DATE_OPT_RFC2822) { + /* Undo busybox.c for date -R */ + if (ENABLE_LOCALE_SUPPORT) + setlocale(LC_TIME, "C"); + strcpy(date_fmt, "%a, %d %b %Y %H:%M:%S "); + i = 22; + goto format_utc; + } else /* default case */ + date_fmt = (char*)"%a %b %e %H:%M:%S %Z %Y"; + } + + if (*date_fmt == '\0') { + /* With no format string, just print a blank line */ + *bb_common_bufsiz1 = 0; + } else { + /* Handle special conversions */ + + if (strncmp(date_fmt, "%f", 2) == 0) { + date_fmt = (char*)"%Y.%m.%d-%H:%M:%S"; + } + + /* Generate output string */ + strftime(bb_common_bufsiz1, 200, date_fmt, &tm_time); + } + puts(bb_common_bufsiz1); + + return EXIT_SUCCESS; +} -- cgit v1.2.3