zic: Remove from tree.
Not referenced anywhere or included in the build.
This commit is contained in:
Augustin Cavalier
@@ -281,7 +281,6 @@ SubInclude HAIKU_TOP src bin rmd160 ;
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SubInclude HAIKU_TOP src bin screen_blanker ;
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SubInclude HAIKU_TOP src bin screenmode ;
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SubInclude HAIKU_TOP src bin writembr ;
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SubInclude HAIKU_TOP src bin zic ;
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# debugging tools
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SubInclude HAIKU_TOP src bin debug ;
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@@ -1,16 +0,0 @@
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SubDir HAIKU_TOP src bin zic ;
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SubDirCcFlags -DNOID -DHAVE_STDINT_H=0 ;
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UsePrivateHeaders [ FDirName libroot time ] ;
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BuildPlatformMain zic :
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zic.c
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scheck.c
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ialloc.c
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;
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BuildPlatformMain zdump :
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zdump.c
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ialloc.c
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;
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@@ -1,86 +0,0 @@
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/*
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** This file is in the public domain, so clarified as of
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** 2006-07-17 by Arthur David Olson.
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*/
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)ialloc.c 8.30";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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/*LINTLIBRARY*/
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#include "private.h"
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#define nonzero(n) (((n) == 0) ? 1 : (n))
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char *
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imalloc(n)
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const int n;
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{
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return malloc((size_t) nonzero(n));
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}
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char *
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icalloc(nelem, elsize)
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int nelem;
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int elsize;
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{
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if (nelem == 0 || elsize == 0)
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nelem = elsize = 1;
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return calloc((size_t) nelem, (size_t) elsize);
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}
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void *
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irealloc(pointer, size)
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void * const pointer;
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const int size;
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{
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if (pointer == NULL)
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return imalloc(size);
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return realloc((void *) pointer, (size_t) nonzero(size));
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}
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char *
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icatalloc(old, new)
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char * const old;
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const char * const new;
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{
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register char * result;
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register int oldsize, newsize;
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newsize = (new == NULL) ? 0 : strlen(new);
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if (old == NULL)
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oldsize = 0;
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else if (newsize == 0)
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return old;
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else oldsize = strlen(old);
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if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
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if (new != NULL)
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(void) strcpy(result + oldsize, new);
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return result;
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}
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char *
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icpyalloc(string)
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const char * const string;
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{
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return icatalloc((char *) NULL, string);
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}
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void
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ifree(p)
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char * const p;
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{
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if (p != NULL)
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(void) free(p);
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}
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void
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icfree(p)
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char * const p;
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{
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if (p != NULL)
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(void) free(p);
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}
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@@ -1,63 +0,0 @@
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/*
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** This file is in the public domain, so clarified as of
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** 2006-07-17 by Arthur David Olson.
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*/
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)scheck.c 8.19";
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#endif /* !defined lint */
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#endif /* !defined NOID */
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/*LINTLIBRARY*/
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#include "private.h"
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const char *
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scheck(string, format)
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const char * const string;
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const char * const format;
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{
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register char * fbuf;
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register const char * fp;
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register char * tp;
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register int c;
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register const char * result;
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char dummy;
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result = "";
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if (string == NULL || format == NULL)
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return result;
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fbuf = imalloc((int) (2 * strlen(format) + 4));
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if (fbuf == NULL)
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return result;
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fp = format;
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tp = fbuf;
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while ((*tp++ = c = *fp++) != '\0') {
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if (c != '%')
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continue;
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if (*fp == '%') {
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*tp++ = *fp++;
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continue;
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}
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*tp++ = '*';
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if (*fp == '*')
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++fp;
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while (is_digit(*fp))
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*tp++ = *fp++;
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if (*fp == 'l' || *fp == 'h')
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*tp++ = *fp++;
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else if (*fp == '[')
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do *tp++ = *fp++;
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while (*fp != '\0' && *fp != ']');
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if ((*tp++ = *fp++) == '\0')
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break;
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}
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*(tp - 1) = '%';
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*tp++ = 'c';
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*tp = '\0';
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if (sscanf(string, fbuf, &dummy) != 1)
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result = (char *) format;
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ifree(fbuf);
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return result;
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}
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@@ -1,668 +0,0 @@
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static char elsieid[] = "@(#)zdump.c 8.3";
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/*
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** This code has been made independent of the rest of the time
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** conversion package to increase confidence in the verification it provides.
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** You can use this code to help in verifying other implementations.
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*/
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#include "stdio.h" /* for stdout, stderr, perror */
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#include "string.h" /* for strcpy */
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#include "sys/types.h" /* for time_t */
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#include "time.h" /* for struct tm */
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#include "stdlib.h" /* for exit, malloc, atoi */
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#include "float.h" /* for FLT_MAX and DBL_MAX */
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#include "ctype.h" /* for isalpha et al. */
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#ifndef isascii
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#define isascii(x) 1
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#endif /* !defined isascii */
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#ifndef ZDUMP_LO_YEAR
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#define ZDUMP_LO_YEAR (-500)
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#endif /* !defined ZDUMP_LO_YEAR */
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#ifndef ZDUMP_HI_YEAR
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#define ZDUMP_HI_YEAR 2500
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#endif /* !defined ZDUMP_HI_YEAR */
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#ifndef MAX_STRING_LENGTH
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#define MAX_STRING_LENGTH 1024
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#endif /* !defined MAX_STRING_LENGTH */
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#ifndef TRUE
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#define TRUE 1
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#endif /* !defined TRUE */
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#ifndef FALSE
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#define FALSE 0
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#endif /* !defined FALSE */
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#endif /* !defined EXIT_SUCCESS */
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#ifndef EXIT_FAILURE
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#define EXIT_FAILURE 1
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#endif /* !defined EXIT_FAILURE */
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#ifndef SECSPERMIN
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#define SECSPERMIN 60
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#endif /* !defined SECSPERMIN */
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#ifndef MINSPERHOUR
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#define MINSPERHOUR 60
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#endif /* !defined MINSPERHOUR */
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#ifndef SECSPERHOUR
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#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
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#endif /* !defined SECSPERHOUR */
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#ifndef HOURSPERDAY
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#define HOURSPERDAY 24
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#endif /* !defined HOURSPERDAY */
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#ifndef EPOCH_YEAR
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#define EPOCH_YEAR 1970
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#endif /* !defined EPOCH_YEAR */
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#ifndef TM_YEAR_BASE
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#define TM_YEAR_BASE 1900
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#endif /* !defined TM_YEAR_BASE */
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#ifndef DAYSPERNYEAR
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#define DAYSPERNYEAR 365
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#endif /* !defined DAYSPERNYEAR */
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#ifndef isleap
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#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
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#endif /* !defined isleap */
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#ifndef isleap_sum
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/*
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** See tzfile.h for details on isleap_sum.
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*/
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#define isleap_sum(a, b) isleap((a) % 400 + (b) % 400)
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#endif /* !defined isleap_sum */
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#define SECSPERDAY ((long) SECSPERHOUR * HOURSPERDAY)
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#define SECSPERNYEAR (SECSPERDAY * DAYSPERNYEAR)
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#define SECSPERLYEAR (SECSPERNYEAR + SECSPERDAY)
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#if HAVE_GETTEXT
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#include "locale.h" /* for setlocale */
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#include "libintl.h"
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#endif /* HAVE_GETTEXT */
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#ifndef GNUC_or_lint
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#ifdef lint
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#define GNUC_or_lint
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#else /* !defined lint */
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#ifdef __GNUC__
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#define GNUC_or_lint
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#endif /* defined __GNUC__ */
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#endif /* !defined lint */
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#endif /* !defined GNUC_or_lint */
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#ifndef INITIALIZE
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#ifdef GNUC_or_lint
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#define INITIALIZE(x) ((x) = 0)
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#else /* !defined GNUC_or_lint */
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#define INITIALIZE(x)
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#endif /* !defined GNUC_or_lint */
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#endif /* !defined INITIALIZE */
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/*
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** For the benefit of GNU folk...
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** `_(MSGID)' uses the current locale's message library string for MSGID.
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** The default is to use gettext if available, and use MSGID otherwise.
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*/
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#ifndef _
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#if HAVE_GETTEXT
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#define _(msgid) gettext(msgid)
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#else /* !HAVE_GETTEXT */
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#define _(msgid) msgid
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#endif /* !HAVE_GETTEXT */
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#endif /* !defined _ */
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#ifndef TZ_DOMAIN
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#define TZ_DOMAIN "tz"
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#endif /* !defined TZ_DOMAIN */
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#ifndef P
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#define P(x) x
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#endif /* !defined P */
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extern char ** environ;
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extern int getopt P((int argc, char * const argv[],
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const char * options));
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extern char * optarg;
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extern int optind;
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extern char * tzname[2];
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static time_t absolute_min_time;
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static time_t absolute_max_time;
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static size_t longest;
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static char * progname;
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static int warned;
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static char * abbr P((struct tm * tmp));
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static void abbrok P((const char * abbrp, const char * zone));
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static long delta P((struct tm * newp, struct tm * oldp));
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static void dumptime P((const struct tm * tmp));
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static time_t hunt P((char * name, time_t lot, time_t hit));
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static void setabsolutes P((void));
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static void show P((char * zone, time_t t, int v));
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static const char * tformat P((void));
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static time_t yeartot P((long y));
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#ifndef TYPECHECK
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#define my_localtime localtime
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#else /* !defined TYPECHECK */
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static struct tm *
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my_localtime(tp)
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time_t * tp;
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{
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register struct tm * tmp;
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tmp = localtime(tp);
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if (tp != NULL && tmp != NULL) {
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struct tm tm;
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register time_t t;
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tm = *tmp;
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t = mktime(&tm);
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if (t - *tp >= 1 || *tp - t >= 1) {
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(void) fflush(stdout);
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(void) fprintf(stderr, "\n%s: ", progname);
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(void) fprintf(stderr, tformat(), *tp);
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(void) fprintf(stderr, " ->");
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(void) fprintf(stderr, " year=%d", tmp->tm_year);
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(void) fprintf(stderr, " mon=%d", tmp->tm_mon);
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(void) fprintf(stderr, " mday=%d", tmp->tm_mday);
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(void) fprintf(stderr, " hour=%d", tmp->tm_hour);
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(void) fprintf(stderr, " min=%d", tmp->tm_min);
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(void) fprintf(stderr, " sec=%d", tmp->tm_sec);
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(void) fprintf(stderr, " isdst=%d", tmp->tm_isdst);
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(void) fprintf(stderr, " -> ");
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(void) fprintf(stderr, tformat(), t);
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(void) fprintf(stderr, "\n");
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}
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}
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return tmp;
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}
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#endif /* !defined TYPECHECK */
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static void
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abbrok(abbrp, zone)
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const char * const abbrp;
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const char * const zone;
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{
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register const char * cp;
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register char * wp;
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if (warned)
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return;
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cp = abbrp;
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wp = NULL;
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while (isascii((unsigned char) *cp) && isalpha((unsigned char) *cp))
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++cp;
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if (cp - abbrp == 0)
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wp = _("lacks alphabetic at start");
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else if (cp - abbrp < 3)
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wp = _("has fewer than 3 alphabetics");
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else if (cp - abbrp > 6)
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wp = _("has more than 6 alphabetics");
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if (wp == NULL && (*cp == '+' || *cp == '-')) {
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++cp;
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if (isascii((unsigned char) *cp) &&
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isdigit((unsigned char) *cp))
|
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if (*cp++ == '1' && *cp >= '0' && *cp <= '4')
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++cp;
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if (*cp != '\0')
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wp = _("differs from POSIX standard");
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}
|
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if (wp == NULL)
|
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return;
|
||||
(void) fflush(stdout);
|
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(void) fprintf(stderr,
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_("%s: warning: zone \"%s\" abbreviation \"%s\" %s\n"),
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progname, zone, abbrp, wp);
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warned = TRUE;
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}
|
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|
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int
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main(argc, argv)
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int argc;
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char * argv[];
|
||||
{
|
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register int i;
|
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register int c;
|
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register int vflag;
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register char * cutarg;
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register long cutloyear = ZDUMP_LO_YEAR;
|
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register long cuthiyear = ZDUMP_HI_YEAR;
|
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register time_t cutlotime;
|
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register time_t cuthitime;
|
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register char ** fakeenv;
|
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time_t now;
|
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time_t t;
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time_t newt;
|
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struct tm tm;
|
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struct tm newtm;
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register struct tm * tmp;
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register struct tm * newtmp;
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INITIALIZE(cutlotime);
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INITIALIZE(cuthitime);
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#if HAVE_GETTEXT
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(void) setlocale(LC_ALL, "");
|
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#ifdef TZ_DOMAINDIR
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(void) bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
|
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#endif /* defined TEXTDOMAINDIR */
|
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(void) textdomain(TZ_DOMAIN);
|
||||
#endif /* HAVE_GETTEXT */
|
||||
progname = argv[0];
|
||||
for (i = 1; i < argc; ++i)
|
||||
if (strcmp(argv[i], "--version") == 0) {
|
||||
(void) printf("%s\n", elsieid);
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
vflag = 0;
|
||||
cutarg = NULL;
|
||||
while ((c = getopt(argc, argv, "c:v")) == 'c' || c == 'v')
|
||||
if (c == 'v')
|
||||
vflag = 1;
|
||||
else cutarg = optarg;
|
||||
if ((c != EOF && c != -1) ||
|
||||
(optind == argc - 1 && strcmp(argv[optind], "=") == 0)) {
|
||||
(void) fprintf(stderr,
|
||||
_("%s: usage is %s [ --version ] [ -v ] [ -c [loyear,]hiyear ] zonename ...\n"),
|
||||
progname, progname);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
if (vflag) {
|
||||
if (cutarg != NULL) {
|
||||
long lo;
|
||||
long hi;
|
||||
char dummy;
|
||||
|
||||
if (sscanf(cutarg, "%ld%c", &hi, &dummy) == 1) {
|
||||
cuthiyear = hi;
|
||||
} else if (sscanf(cutarg, "%ld,%ld%c",
|
||||
&lo, &hi, &dummy) == 2) {
|
||||
cutloyear = lo;
|
||||
cuthiyear = hi;
|
||||
} else {
|
||||
(void) fprintf(stderr, _("%s: wild -c argument %s\n"),
|
||||
progname, cutarg);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
setabsolutes();
|
||||
cutlotime = yeartot(cutloyear);
|
||||
cuthitime = yeartot(cuthiyear);
|
||||
}
|
||||
(void) time(&now);
|
||||
longest = 0;
|
||||
for (i = optind; i < argc; ++i)
|
||||
if (strlen(argv[i]) > longest)
|
||||
longest = strlen(argv[i]);
|
||||
{
|
||||
register int from;
|
||||
register int to;
|
||||
|
||||
for (i = 0; environ[i] != NULL; ++i)
|
||||
continue;
|
||||
fakeenv = (char **) malloc((size_t) ((i + 2) *
|
||||
sizeof *fakeenv));
|
||||
if (fakeenv == NULL ||
|
||||
(fakeenv[0] = (char *) malloc(longest + 4)) == NULL) {
|
||||
(void) perror(progname);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
to = 0;
|
||||
(void) strcpy(fakeenv[to++], "TZ=");
|
||||
for (from = 0; environ[from] != NULL; ++from)
|
||||
if (strncmp(environ[from], "TZ=", 3) != 0)
|
||||
fakeenv[to++] = environ[from];
|
||||
fakeenv[to] = NULL;
|
||||
environ = fakeenv;
|
||||
}
|
||||
for (i = optind; i < argc; ++i) {
|
||||
static char buf[MAX_STRING_LENGTH];
|
||||
|
||||
(void) strcpy(&fakeenv[0][3], argv[i]);
|
||||
if (!vflag) {
|
||||
show(argv[i], now, FALSE);
|
||||
continue;
|
||||
}
|
||||
warned = FALSE;
|
||||
t = absolute_min_time;
|
||||
show(argv[i], t, TRUE);
|
||||
t += SECSPERHOUR * HOURSPERDAY;
|
||||
show(argv[i], t, TRUE);
|
||||
if (t < cutlotime)
|
||||
t = cutlotime;
|
||||
tmp = my_localtime(&t);
|
||||
if (tmp != NULL) {
|
||||
tm = *tmp;
|
||||
(void) strncpy(buf, abbr(&tm), (sizeof buf) - 1);
|
||||
}
|
||||
for ( ; ; ) {
|
||||
if (t >= cuthitime)
|
||||
break;
|
||||
newt = t + SECSPERHOUR * 12;
|
||||
if (newt >= cuthitime)
|
||||
break;
|
||||
if (newt <= t)
|
||||
break;
|
||||
newtmp = localtime(&newt);
|
||||
if (newtmp != NULL)
|
||||
newtm = *newtmp;
|
||||
if ((tmp == NULL || newtmp == NULL) ? (tmp != newtmp) :
|
||||
(delta(&newtm, &tm) != (newt - t) ||
|
||||
newtm.tm_isdst != tm.tm_isdst ||
|
||||
strcmp(abbr(&newtm), buf) != 0)) {
|
||||
newt = hunt(argv[i], t, newt);
|
||||
newtmp = localtime(&newt);
|
||||
if (newtmp != NULL) {
|
||||
newtm = *newtmp;
|
||||
(void) strncpy(buf,
|
||||
abbr(&newtm),
|
||||
(sizeof buf) - 1);
|
||||
}
|
||||
}
|
||||
t = newt;
|
||||
tm = newtm;
|
||||
tmp = newtmp;
|
||||
}
|
||||
t = absolute_max_time;
|
||||
t -= SECSPERHOUR * HOURSPERDAY;
|
||||
show(argv[i], t, TRUE);
|
||||
t += SECSPERHOUR * HOURSPERDAY;
|
||||
show(argv[i], t, TRUE);
|
||||
}
|
||||
if (fflush(stdout) || ferror(stdout)) {
|
||||
(void) fprintf(stderr, "%s: ", progname);
|
||||
(void) perror(_("Error writing to standard output"));
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
exit(EXIT_SUCCESS);
|
||||
/* If exit fails to exit... */
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
static void
|
||||
setabsolutes()
|
||||
{
|
||||
if (0.5 == (time_t) 0.5) {
|
||||
/*
|
||||
** time_t is floating.
|
||||
*/
|
||||
if (sizeof (time_t) == sizeof (float)) {
|
||||
absolute_min_time = (time_t) -FLT_MAX;
|
||||
absolute_max_time = (time_t) FLT_MAX;
|
||||
} else if (sizeof (time_t) == sizeof (double)) {
|
||||
absolute_min_time = (time_t) -DBL_MAX;
|
||||
absolute_max_time = (time_t) DBL_MAX;
|
||||
} else {
|
||||
(void) fprintf(stderr,
|
||||
_("%s: use of -v on system with floating time_t other than float or double\n"),
|
||||
progname);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
} else if (0 > (time_t) -1) {
|
||||
/*
|
||||
** time_t is signed. Assume overflow wraps around.
|
||||
*/
|
||||
time_t t = 0;
|
||||
time_t t1 = 1;
|
||||
|
||||
while (t < t1) {
|
||||
t = t1;
|
||||
t1 = 2 * t1 + 1;
|
||||
}
|
||||
|
||||
absolute_max_time = t;
|
||||
t = -t;
|
||||
absolute_min_time = t - 1;
|
||||
if (t < absolute_min_time)
|
||||
absolute_min_time = t;
|
||||
} else {
|
||||
/*
|
||||
** time_t is unsigned.
|
||||
*/
|
||||
absolute_min_time = 0;
|
||||
absolute_max_time = absolute_min_time - 1;
|
||||
}
|
||||
}
|
||||
|
||||
static time_t
|
||||
yeartot(y)
|
||||
const long y;
|
||||
{
|
||||
register long myy;
|
||||
register long seconds;
|
||||
register time_t t;
|
||||
|
||||
myy = EPOCH_YEAR;
|
||||
t = 0;
|
||||
while (myy != y) {
|
||||
if (myy < y) {
|
||||
seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
|
||||
++myy;
|
||||
if (t > absolute_max_time - seconds) {
|
||||
t = absolute_max_time;
|
||||
break;
|
||||
}
|
||||
t += seconds;
|
||||
} else {
|
||||
--myy;
|
||||
seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
|
||||
if (t < absolute_min_time + seconds) {
|
||||
t = absolute_min_time;
|
||||
break;
|
||||
}
|
||||
t -= seconds;
|
||||
}
|
||||
}
|
||||
return t;
|
||||
}
|
||||
|
||||
static time_t
|
||||
hunt(char *name, time_t lot, time_t hit)
|
||||
{
|
||||
time_t t;
|
||||
long diff;
|
||||
struct tm lotm;
|
||||
register struct tm * lotmp;
|
||||
struct tm tm;
|
||||
register struct tm * tmp;
|
||||
char loab[MAX_STRING_LENGTH];
|
||||
|
||||
lotmp = my_localtime(&lot);
|
||||
if (lotmp != NULL) {
|
||||
lotm = *lotmp;
|
||||
(void) strncpy(loab, abbr(&lotm), (sizeof loab) - 1);
|
||||
}
|
||||
for ( ; ; ) {
|
||||
diff = (long) (hit - lot);
|
||||
if (diff < 2)
|
||||
break;
|
||||
t = lot;
|
||||
t += diff / 2;
|
||||
if (t <= lot)
|
||||
++t;
|
||||
else if (t >= hit)
|
||||
--t;
|
||||
tmp = my_localtime(&t);
|
||||
if (tmp != NULL)
|
||||
tm = *tmp;
|
||||
if ((lotmp == NULL || tmp == NULL) ? (lotmp == tmp) :
|
||||
(delta(&tm, &lotm) == (t - lot) &&
|
||||
tm.tm_isdst == lotm.tm_isdst &&
|
||||
strcmp(abbr(&tm), loab) == 0)) {
|
||||
lot = t;
|
||||
lotm = tm;
|
||||
lotmp = tmp;
|
||||
} else hit = t;
|
||||
}
|
||||
show(name, lot, TRUE);
|
||||
show(name, hit, TRUE);
|
||||
return hit;
|
||||
}
|
||||
|
||||
/*
|
||||
** Thanks to Paul Eggert for logic used in delta.
|
||||
*/
|
||||
|
||||
static long
|
||||
delta(newp, oldp)
|
||||
struct tm * newp;
|
||||
struct tm * oldp;
|
||||
{
|
||||
register long result;
|
||||
register int tmy;
|
||||
|
||||
if (newp->tm_year < oldp->tm_year)
|
||||
return -delta(oldp, newp);
|
||||
result = 0;
|
||||
for (tmy = oldp->tm_year; tmy < newp->tm_year; ++tmy)
|
||||
result += DAYSPERNYEAR + isleap_sum(tmy, TM_YEAR_BASE);
|
||||
result += newp->tm_yday - oldp->tm_yday;
|
||||
result *= HOURSPERDAY;
|
||||
result += newp->tm_hour - oldp->tm_hour;
|
||||
result *= MINSPERHOUR;
|
||||
result += newp->tm_min - oldp->tm_min;
|
||||
result *= SECSPERMIN;
|
||||
result += newp->tm_sec - oldp->tm_sec;
|
||||
return result;
|
||||
}
|
||||
|
||||
static void
|
||||
show(char *zone, time_t t, int v)
|
||||
{
|
||||
register struct tm * tmp;
|
||||
|
||||
(void) printf("%-*s ", (int) longest, zone);
|
||||
if (v) {
|
||||
tmp = gmtime(&t);
|
||||
if (tmp == NULL) {
|
||||
(void) printf(tformat(), t);
|
||||
} else {
|
||||
dumptime(tmp);
|
||||
(void) printf(" UTC");
|
||||
}
|
||||
(void) printf(" = ");
|
||||
}
|
||||
tmp = my_localtime(&t);
|
||||
dumptime(tmp);
|
||||
if (tmp != NULL) {
|
||||
if (*abbr(tmp) != '\0')
|
||||
(void) printf(" %s", abbr(tmp));
|
||||
if (v) {
|
||||
(void) printf(" isdst=%d", tmp->tm_isdst);
|
||||
#ifdef TM_GMTOFF
|
||||
(void) printf(" gmtoff=%ld", tmp->TM_GMTOFF);
|
||||
#endif /* defined TM_GMTOFF */
|
||||
}
|
||||
}
|
||||
(void) printf("\n");
|
||||
if (tmp != NULL && *abbr(tmp) != '\0')
|
||||
abbrok(abbr(tmp), zone);
|
||||
}
|
||||
|
||||
static char *
|
||||
abbr(tmp)
|
||||
struct tm * tmp;
|
||||
{
|
||||
register char * result;
|
||||
static char nada;
|
||||
|
||||
if (tmp->tm_isdst != 0 && tmp->tm_isdst != 1)
|
||||
return &nada;
|
||||
result = tzname[tmp->tm_isdst];
|
||||
return (result == NULL) ? &nada : result;
|
||||
}
|
||||
|
||||
/*
|
||||
** The code below can fail on certain theoretical systems;
|
||||
** it works on all known real-world systems as of 2004-12-30.
|
||||
*/
|
||||
|
||||
static const char *
|
||||
tformat()
|
||||
{
|
||||
if (0.5 == (time_t) 0.5) { /* floating */
|
||||
if (sizeof (time_t) > sizeof (double))
|
||||
return "%Lg";
|
||||
return "%g";
|
||||
}
|
||||
if (0 > (time_t) -1) { /* signed */
|
||||
if (sizeof (time_t) > sizeof (long))
|
||||
return "%lld";
|
||||
if (sizeof (time_t) > sizeof (int))
|
||||
return "%ld";
|
||||
return "%d";
|
||||
}
|
||||
if (sizeof (time_t) > sizeof (unsigned long))
|
||||
return "%llu";
|
||||
if (sizeof (time_t) > sizeof (unsigned int))
|
||||
return "%lu";
|
||||
return "%u";
|
||||
}
|
||||
|
||||
static void
|
||||
dumptime(timeptr)
|
||||
register const struct tm * timeptr;
|
||||
{
|
||||
static const char wday_name[][3] = {
|
||||
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
|
||||
};
|
||||
static const char mon_name[][3] = {
|
||||
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
|
||||
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
|
||||
};
|
||||
register const char * wn;
|
||||
register const char * mn;
|
||||
register int lead;
|
||||
register int trail;
|
||||
|
||||
if (timeptr == NULL) {
|
||||
(void) printf("NULL");
|
||||
return;
|
||||
}
|
||||
/*
|
||||
** The packaged versions of localtime and gmtime never put out-of-range
|
||||
** values in tm_wday or tm_mon, but since this code might be compiled
|
||||
** with other (perhaps experimental) versions, paranoia is in order.
|
||||
*/
|
||||
if (timeptr->tm_wday < 0 || timeptr->tm_wday >=
|
||||
(int) (sizeof wday_name / sizeof wday_name[0]))
|
||||
wn = "???";
|
||||
else wn = wday_name[timeptr->tm_wday];
|
||||
if (timeptr->tm_mon < 0 || timeptr->tm_mon >=
|
||||
(int) (sizeof mon_name / sizeof mon_name[0]))
|
||||
mn = "???";
|
||||
else mn = mon_name[timeptr->tm_mon];
|
||||
(void) printf("%.3s %.3s%3d %.2d:%.2d:%.2d ",
|
||||
wn, mn,
|
||||
timeptr->tm_mday, timeptr->tm_hour,
|
||||
timeptr->tm_min, timeptr->tm_sec);
|
||||
#define DIVISOR 10
|
||||
trail = timeptr->tm_year % DIVISOR + TM_YEAR_BASE % DIVISOR;
|
||||
lead = timeptr->tm_year / DIVISOR + TM_YEAR_BASE / DIVISOR +
|
||||
trail / DIVISOR;
|
||||
trail %= DIVISOR;
|
||||
if (trail < 0 && lead > 0) {
|
||||
trail += DIVISOR;
|
||||
--lead;
|
||||
} else if (lead < 0 && trail > 0) {
|
||||
trail -= DIVISOR;
|
||||
++lead;
|
||||
}
|
||||
if (lead == 0)
|
||||
(void) printf("%d", trail);
|
||||
else (void) printf("%d%d", lead, ((trail < 0) ? -trail : trail));
|
||||
}
|
||||
-2707
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user