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    Diff of /trunk/mkinitrd-magellan/busybox/libbb/rtc.c

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    revision 983 by niro, Fri Apr 24 18:33:46 2009 UTC revision 984 by niro, Sun May 30 11:32:42 2010 UTC
    # Line 1  Line 1 
    1  /*  /*
    2   * Common RTC functions   * Common RTC functions
    3     *
    4     * Licensed under GPLv2, see file LICENSE in this tarball for details.
    5   */   */
    6    
    7  #include "libbb.h"  #include "libbb.h"
    # Line 17  int FAST_FUNC rtc_adjtime_is_utc(void) Line 19  int FAST_FUNC rtc_adjtime_is_utc(void)
    19   FILE *f = fopen_for_read(ADJTIME_PATH);   FILE *f = fopen_for_read(ADJTIME_PATH);
    20    
    21   if (f) {   if (f) {
    22   RESERVE_CONFIG_BUFFER(buffer, 128);   char buffer[128];
    23    
    24   while (fgets(buffer, sizeof(buffer), f)) {   while (fgets(buffer, sizeof(buffer), f)) {
    25   int len = strlen(buffer);   int len = strlen(buffer);
    # Line 33  int FAST_FUNC rtc_adjtime_is_utc(void) Line 35  int FAST_FUNC rtc_adjtime_is_utc(void)
    35   }   }
    36   }   }
    37   fclose(f);   fclose(f);
       
      RELEASE_CONFIG_BUFFER(buffer);  
    38   }   }
    39    
    40   return utc;   return utc;
    # Line 59  int FAST_FUNC rtc_xopen(const char **def Line 59  int FAST_FUNC rtc_xopen(const char **def
    59   return xopen(*default_rtc, flags);   return xopen(*default_rtc, flags);
    60  }  }
    61    
    62  time_t FAST_FUNC rtc_read_time(int fd, int utc)  void FAST_FUNC rtc_read_tm(struct tm *ptm, int fd)
    63    {
    64     memset(ptm, 0, sizeof(*ptm));
    65     xioctl(fd, RTC_RD_TIME, ptm);
    66     ptm->tm_isdst = -1; /* "not known" */
    67    }
    68    
    69    time_t FAST_FUNC rtc_tm2time(struct tm *ptm, int utc)
    70  {  {
    71   struct tm tm;   char *oldtz = oldtz; /* for compiler */
    72   char *oldtz = 0;   time_t t;
      time_t t = 0;  
       
      memset(&tm, 0, sizeof(struct tm));  
      xioctl(fd, RTC_RD_TIME, &tm);  
      tm.tm_isdst = -1; /* not known */  
    73    
    74   if (utc) {   if (utc) {
    75   oldtz = getenv("TZ");   oldtz = getenv("TZ");
    # Line 75  time_t FAST_FUNC rtc_read_time(int fd, i Line 77  time_t FAST_FUNC rtc_read_time(int fd, i
    77   tzset();   tzset();
    78   }   }
    79    
    80   t = mktime(&tm);   t = mktime(ptm);
    81    
    82   if (utc) {   if (utc) {
    83   unsetenv("TZ");   unsetenv("TZ");
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