mirror of
https://github.com/reactos/reactos.git
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329 lines
6.1 KiB
C
329 lines
6.1 KiB
C
/* $Id: buildno.c,v 1.2 2003/10/15 02:56:02 vizzini Exp $
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*
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* buildno - Generate the build number for ReactOS
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*
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* Copyright (c) 1999,2000 Emanuele Aliberti
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*
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* License: GNU GPL
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*
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* It assumes the last release date is defined in
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* <reactos/version.h> as a macro named
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*
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* KERNEL_RELEASE_DATE
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*
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* as a 32-bit unsigned long YYYYMMDD (UTC;
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* MM=01-12; DD=01-31).
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*
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* The build number is the number of full days
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* elapsed since the last release date (UTC).
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*
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* The build number is stored in the file
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* <reactos/buildno.h> as a set of macros:
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*
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* KERNEL_VERSION_BUILD base 10 number
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* KERNEL_VERSION_BUILD_STR C string
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* KERNEL_VERSION_BUILD_RC RC string
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*
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* REVISIONS
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* ---------
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* 2000-01-22 (ea)
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* Fixed bugs: tm_year is (current_year - 1900),
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* tm_month is 0-11 not 1-12 and code ignored TZ.
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* 2000-12-10 (ea)
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* Added -p option to make it simply print the
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* version number, but skip buildno.h generation.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include "../include/reactos/version.h"
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#define FALSE 0
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#define TRUE 1
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/* File to (over)write */
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#define BUILDNO_INCLUDE_FILE "../include/reactos/buildno.h"
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static char * argv0 = "";
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#ifdef DBG
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void
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tm_dump (const char *tag, struct tm * t)
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{
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printf ("%s->tm_sec = %d\n", tag, t->tm_sec);
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printf ("%s->tm_min = %d\n", tag, t->tm_min);
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printf ("%s->tm_hour = %d\n", tag, t->tm_hour);
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printf ("%s->tm_mday = %d\n", tag, t->tm_mday);
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printf ("%s->tm_mon = %d\n", tag, t->tm_mon);
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printf ("%s->tm_year = %d\n", tag, t->tm_year);
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printf ("%s->tm_wday = %d\n", tag, t->tm_wday);
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printf ("%s->tm_yday = %d\n", tag, t->tm_yday);
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printf ("%s->tm_isdst = %d\n\n", tag, t->tm_isdst);
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}
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#endif
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int
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elapsed_days (
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time_t t_today,
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time_t t_release_day
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)
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{
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double seconds = difftime (t_today, t_release_day);
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double days = seconds / (double) 86400.0;
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char buf [32];
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char * dot = buf;
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sprintf (buf, "%f", days );
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while ( *dot && *dot != '.') ++dot;
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*dot = '\0';
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return atol (buf);
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}
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void
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write_h (int build)
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{
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FILE *h = NULL;
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char* s;
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char* s1;
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int length;
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s1 = s = malloc(256 * 1024);
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s = s + sprintf (s, "/* Do not edit - Machine generated */\n");
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s = s + sprintf (s, "#ifndef _INC_REACTOS_BUILDNO\n" );
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s = s + sprintf (s, "#define _INC_REACTOS_BUILDNO\n" );
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s = s + sprintf (s, "#define KERNEL_VERSION_BUILD\t%d\n", build);
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s = s + sprintf (s, "#define KERNEL_VERSION_BUILD_STR\t\"%d\"\n", build);
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s = s + sprintf (s, "#define KERNEL_RELEASE_RC\t\"%d.%d.%d.%d\\0\"\n",
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KERNEL_VERSION_MAJOR, KERNEL_VERSION_MINOR,
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KERNEL_VERSION_PATCH_LEVEL, build);
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s = s + sprintf (s, "#define KERNEL_RELEASE_STR\t\"%d.%d.%d.%d\"\n",
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KERNEL_VERSION_MAJOR,
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KERNEL_VERSION_MINOR,
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KERNEL_VERSION_PATCH_LEVEL,
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build);
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s = s + sprintf (s, "#define KERNEL_VERSION_RC\t\"%d.%d.%d\\0\"\n",
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KERNEL_VERSION_MAJOR,
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KERNEL_VERSION_MINOR,
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KERNEL_VERSION_PATCH_LEVEL);
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s = s + sprintf (s, "#define KERNEL_VERSION_STR\t\"%d.%d.%d\"\n",
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KERNEL_VERSION_MAJOR,
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KERNEL_VERSION_MINOR,
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KERNEL_VERSION_PATCH_LEVEL);
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s = s + sprintf (s, "#endif\n/* EOF */\n");
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h = fopen (BUILDNO_INCLUDE_FILE, "rb");
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if (h != NULL)
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{
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fseek(h, 0, SEEK_END);
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length = ftell(h);
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if (length == strlen(s1))
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{
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char* orig;
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orig = malloc(length);
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fseek(h, 0, SEEK_SET);
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fread(orig, 1, length, h);
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if (memcmp(s1, orig, length) == 0)
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{
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fclose(h);
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return;
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}
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}
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fclose(h);
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}
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h = fopen (BUILDNO_INCLUDE_FILE, "wb");
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if (!h)
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{
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fprintf (stderr,
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"%s: can not create file \"%s\"!\n",
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argv0,
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BUILDNO_INCLUDE_FILE);
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return;
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}
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fwrite(s1, 1, strlen(s1), h);
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fclose (h);
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}
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void
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usage (void)
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{
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fprintf (
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stderr,
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"Usage: %s [-{p|q}]\n\n -p print version number and exit\n -q run in quiet mode\n",
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argv0
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);
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exit (EXIT_SUCCESS);
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}
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int
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main (int argc, char * argv [])
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{
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int print_only = FALSE;
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int quiet = FALSE;
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int year = 0;
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int month = 0;
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int day = 0;
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int build = 0;
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time_t t0 = 0;
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struct tm t0_tm = {0};
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time_t t1 = 0;
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struct tm * t1_tm = NULL;
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argv0 = argv[0];
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switch (argc)
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{
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case 1:
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break;
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case 2:
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if (argv[1][0] == '-')
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{
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if (argv[1][1] == 'q')
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{
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quiet = TRUE;
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}
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else if (argv[1][1] == 'p')
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{
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print_only = TRUE;
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}
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else
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{
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usage ();
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}
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}
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else
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{
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usage ();
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}
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break;
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default:
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usage ();
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}
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/*
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* Set TZ information.
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*/
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tzset ();
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/*
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* We are building TODAY!
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*/
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time (& t0);
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/*
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* "Parse" the release date.
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*/
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day = KERNEL_RELEASE_DATE % 100;
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month = ( ( KERNEL_RELEASE_DATE
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% 10000
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)
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- day
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)
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/ 100;
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year =
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( KERNEL_RELEASE_DATE
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- (month * 100)
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- day
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)
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/ 10000;
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if (FALSE == quiet)
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{
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printf ( "\n\
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ReactOS Build Number Generator\n\n\
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Last release: %4d-%02d-%02d\n",
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year,
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month,
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day
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);
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}
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#ifdef DBG
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tm_dump ("t0", & t0_tm);
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#endif
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t0_tm.tm_year = (year - 1900);
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t0_tm.tm_mon = --month; /* 0-11 */
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t0_tm.tm_mday = day;
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t0_tm.tm_hour = 0;
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t0_tm.tm_min = 0;
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t0_tm.tm_sec = 1;
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t0_tm.tm_isdst = -1;
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#ifdef DBG
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tm_dump ("t0", & t0_tm);
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#endif
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if (-1 == (t0 = mktime (& t0_tm)))
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{
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fprintf (
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stderr,
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"%s: can not convert release date!\n",
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argv[0]
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);
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return EXIT_FAILURE;
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}
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time (& t1); /* current build time */
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t1_tm = gmtime (& t1);
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#ifdef DBG
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tm_dump ("t1", t1_tm);
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#endif
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t1_tm->tm_year +=
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(t1_tm->tm_year < 70)
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? 2000
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: 1900;
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#ifdef DBG
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tm_dump ("t1", t1_tm);
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#endif
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if (FALSE == quiet)
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{
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printf (
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"Current date: %4d-%02d-%02d\n\n",
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t1_tm->tm_year,
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(t1_tm->tm_mon + 1),
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t1_tm->tm_mday
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);
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}
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/*
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* Compute delta days.
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*/
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build = elapsed_days (t1, t0);
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if (FALSE == quiet)
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{
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printf (
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"Build number: %d (elapsed days since last release)\n",
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build
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);
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printf (
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"ROS Version : %d.%d.%d.%d\n",
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KERNEL_VERSION_MAJOR,
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KERNEL_VERSION_MINOR,
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KERNEL_VERSION_PATCH_LEVEL,
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build
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);
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}
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/*
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* (Over)write the include file, unless
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* the user switched on -p.
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*/
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if (FALSE == print_only)
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{
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write_h (build);
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}
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else
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{
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printf ("%s: no code generated", argv [0]);
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}
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return EXIT_SUCCESS;
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}
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/* EOF */
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