X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=date.c;h=4b2f66add384cfc87b32eaf3d3bbb0922547df26;hb=e5f39576650933770153e82c63a46f27fcd72b0e;hp=2e99aea19a220d687d0483042aa3ffbbb9b7b651;hpb=3570a34de46b1f7dedd16999bb1687e2d6b55d40;p=oweals%2Fbusybox.git diff --git a/date.c b/date.c index 2e99aea19..4b2f66add 100644 --- a/date.c +++ b/date.c @@ -20,18 +20,19 @@ * */ -#include "busybox.h" -#define BB_DECLARE_EXTERN -#define bb_need_invalid_date -#define bb_need_memory_exhausted -#include "messages.c" #include #include #include #include #include #include +#include #include +#include "busybox.h" +#define BB_DECLARE_EXTERN +#define bb_need_invalid_date +#define bb_need_memory_exhausted +#include "messages.c" /* This 'date' command supports only 2 time setting formats, @@ -45,7 +46,7 @@ /* Default input handling to save suprising some people */ -struct tm *date_conv_time(struct tm *tm_time, const char *t_string) +static struct tm *date_conv_time(struct tm *tm_time, const char *t_string) { int nr; @@ -56,7 +57,7 @@ struct tm *date_conv_time(struct tm *tm_time, const char *t_string) &(tm_time->tm_min), &(tm_time->tm_year)); if (nr < 4 || nr > 5) { - fatalError(invalid_date, t_string); + error_msg_and_die(invalid_date, t_string); } /* correct for century - minor Y2K problem here? */ @@ -72,75 +73,59 @@ struct tm *date_conv_time(struct tm *tm_time, const char *t_string) /* The new stuff for LRP */ -struct tm *date_conv_ftime(struct tm *tm_time, const char *t_string) +static struct tm *date_conv_ftime(struct tm *tm_time, const char *t_string) { - struct tm itm_time, jtm_time, ktm_time, ltm_time, mtm_time, ntm_time; - - itm_time = *tm_time; - jtm_time = *tm_time; - ktm_time = *tm_time; - ltm_time = *tm_time; - mtm_time = *tm_time; - ntm_time = *tm_time; + struct tm t; /* Parse input and assign appropriately to tm_time */ - if (sscanf(t_string, "%d:%d:%d", - &itm_time.tm_hour, &itm_time.tm_min, &itm_time.tm_sec) == 3) { - - *tm_time = itm_time; - return (tm_time); - - } else if (sscanf(t_string, "%d:%d", - &jtm_time.tm_hour, &jtm_time.tm_min) == 2) { - - *tm_time = jtm_time; - return (tm_time); - - } else if (sscanf(t_string, "%d.%d-%d:%d:%d", - &ktm_time.tm_mon, - &ktm_time.tm_mday, - &ktm_time.tm_hour, - &ktm_time.tm_min, &ktm_time.tm_sec) == 5) { - - ktm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ - *tm_time = ktm_time; - return (tm_time); - - } else if (sscanf(t_string, "%d.%d-%d:%d", - <m_time.tm_mon, - <m_time.tm_mday, - <m_time.tm_hour, <m_time.tm_min) == 4) { - - ltm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ - *tm_time = ltm_time; - return (tm_time); - - } else if (sscanf(t_string, "%d.%d.%d-%d:%d:%d", - &mtm_time.tm_year, - &mtm_time.tm_mon, - &mtm_time.tm_mday, - &mtm_time.tm_hour, - &mtm_time.tm_min, &mtm_time.tm_sec) == 6) { - - mtm_time.tm_year -= 1900; /* Adjust years */ - mtm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ - *tm_time = mtm_time; - return (tm_time); - - } else if (sscanf(t_string, "%d.%d.%d-%d:%d", - &ntm_time.tm_year, - &ntm_time.tm_mon, - &ntm_time.tm_mday, - &ntm_time.tm_hour, &ntm_time.tm_min) == 5) { - ntm_time.tm_year -= 1900; /* Adjust years */ - ntm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ - *tm_time = ntm_time; - return (tm_time); + if (t=*tm_time,sscanf(t_string, "%d:%d:%d", + &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) { + /* no adjustments needed */ + + } else if (t=*tm_time,sscanf(t_string, "%d:%d", + &t.tm_hour, &t.tm_min) == 2) { + /* no adjustments needed */ - } - fatalError(invalid_date, t_string); + } else if (t=*tm_time,sscanf(t_string, "%d.%d-%d:%d:%d", + &t.tm_mon, + &t.tm_mday, + &t.tm_hour, + &t.tm_min, &t.tm_sec) == 5) { + + t.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ + + } else if (t=*tm_time,sscanf(t_string, "%d.%d-%d:%d", + &t.tm_mon, + &t.tm_mday, + &t.tm_hour, &t.tm_min) == 4) { + + t.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ + + } else if (t=*tm_time,sscanf(t_string, "%d.%d.%d-%d:%d:%d", + &t.tm_year, + &t.tm_mon, + &t.tm_mday, + &t.tm_hour, + &t.tm_min, &t.tm_sec) == 6) { + + t.tm_year -= 1900; /* Adjust years */ + t.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ + + } else if (t=*tm_time,sscanf(t_string, "%d.%d.%d-%d:%d", + &t.tm_year, + &t.tm_mon, + &t.tm_mday, + &t.tm_hour, &t.tm_min) == 5) { + t.tm_year -= 1900; /* Adjust years */ + t.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */ + + } else { + error_msg_and_die(invalid_date, t_string); + } + *tm_time = t; + return (tm_time); } @@ -160,26 +145,27 @@ int date_main(int argc, char **argv) /* Interpret command line args */ while ((c = getopt(argc, argv, "Rs:ud:")) != EOF) { switch (c) { - case 'R': - rfc822 = 1; - break; - case 's': - set_time = 1; - if ((date_str != NULL) || ((date_str = optarg) == NULL)) - usage(date_usage); - break; - case 'u': - utc = 1; - if (putenv("TZ=UTC0") != 0) - fatalError(memory_exhausted); - break; - case 'd': - use_arg = 1; - if ((date_str != NULL) || ((date_str = optarg) == NULL)) - usage(date_usage); - break; - default: - usage(date_usage); + case 'R': + rfc822 = 1; + break; + case 's': + set_time = 1; + if ((date_str != NULL) || ((date_str = optarg) == NULL)) { + show_usage(); + } + break; + case 'u': + utc = 1; + if (putenv("TZ=UTC0") != 0) + error_msg_and_die(memory_exhausted); + break; + case 'd': + use_arg = 1; + if ((date_str != NULL) || ((date_str = optarg) == NULL)) + show_usage(); + break; + default: + show_usage(); } } @@ -188,9 +174,13 @@ int date_main(int argc, char **argv) else if (date_str == NULL) { set_time = 1; date_str = argv[optind]; - } else { - usage(date_usage); + } +#if 0 + else { + error_msg("date_str='%s' date_fmt='%s'\n", date_str, date_fmt); + show_usage(); } +#endif /* Now we have parsed all the information except the date format which depends on whether the clock is being set or read */ @@ -216,12 +206,16 @@ int date_main(int argc, char **argv) /* Correct any day of week and day of year etc fields */ tm = mktime(&tm_time); if (tm < 0) - fatalError(invalid_date, date_str); + error_msg_and_die(invalid_date, date_str); + if ( utc ) { + if (putenv("TZ=UTC0") != 0) + error_msg_and_die(memory_exhausted); + } /* if setting time, set it */ if (set_time) { if (stime(&tm) < 0) { - fatalError("can't set date.\n"); + perror_msg("cannot set date"); } } } @@ -239,7 +233,7 @@ int date_main(int argc, char **argv) } else if (*date_fmt == '\0') { /* Imitate what GNU 'date' does with NO format string! */ printf("\n"); - exit(TRUE); + return EXIT_SUCCESS; } /* Handle special conversions */ @@ -253,5 +247,5 @@ int date_main(int argc, char **argv) strftime(t_buff, 200, date_fmt, &tm_time); printf("%s\n", t_buff); - return(TRUE); + return EXIT_SUCCESS; }