Source:NetHack 3.4.3/src/version.c

Below is the full text to src/version.c from NetHack 3.4.3. To link to a particular line, write [[version.c#line123]], for example.

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/*	SCCS Id: @(#)version.c	3.4	2003/12/06	*/
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed.  See license for details. */

The NetHack General Public License applies to screenshots, source code and other content from NetHack.

This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.

#include "hack.h"
#include "date.h"
/*
* All the references to the contents of patchlevel.h have been moved
* into makedefs....
*/
#ifdef SHORT_FILENAMES
#include "patchlev.h"
#else
#include "patchlevel.h"
#endif

/* #define BETA_INFO "" */	/* "[ beta n]" */

version_string

/* fill buffer with short version (so caller can avoid including date.h) */
char *
version_string(buf)
char *buf;
{
	return strcpy(buf, VERSION_STRING);
}

getversionstring

/* fill and return the given buffer with the long nethack version string */
char *
getversionstring(buf)
char *buf;
{
	Strcpy(buf, VERSION_ID);
#if defined(BETA) && defined(BETA_INFO)
	Sprintf(eos(buf), " %s", BETA_INFO);
#endif
#if defined(RUNTIME_PORT_ID)
	append_port_id(buf);
#endif
	return buf;
}

doversion

int
doversion()
{
	char buf[BUFSZ];

	pline("%s", getversionstring(buf));
	return 0;
}

doextversion

int
doextversion()
{
	display_file(OPTIONS_USED, TRUE);
	return 0;
}

#ifdef MICRO

comp_times

boolean
comp_times(filetime)
long filetime;
{
	return((boolean)(filetime < BUILD_TIME));
}
#endif

check_version

boolean
check_version(version_data, filename, complain)
struct version_info *version_data;
const char *filename;
boolean complain;
{
	if (
#ifdef VERSION_COMPATIBILITY
	    version_data->incarnation < VERSION_COMPATIBILITY ||
	    version_data->incarnation > VERSION_NUMBER
#else
	    version_data->incarnation != VERSION_NUMBER
#endif
	  ) {
	    if (complain)
		pline("Version mismatch for file \"%s\".", filename);
	    return FALSE;
	} else if (
#ifndef IGNORED_FEATURES
		   version_data->feature_set != VERSION_FEATURES ||
#else
		   (version_data->feature_set & ~IGNORED_FEATURES) !=
			  (VERSION_FEATURES & ~IGNORED_FEATURES) ||
#endif
		   version_data->entity_count != VERSION_SANITY1 ||
		   version_data->struct_sizes != VERSION_SANITY2) {
	    if (complain)
		pline("Configuration incompatibility for file \"%s\".",
		      filename);
	    return FALSE;
	}
	return TRUE;
}

uptodate

/* this used to be based on file date and somewhat OS-dependant,
but now examines the initial part of the file's contents */
boolean
uptodate(fd, name)
int fd;
const char *name;
{
int rlen;
struct version_info vers_info;
boolean verbose = name ? TRUE : FALSE;

rlen = read(fd, (genericptr_t) &vers_info, sizeof vers_info);
minit();		/* ZEROCOMP */
if (rlen == 0) {
	if (verbose) {
	    pline("File \"%s\" is empty?", name);
	    wait_synch();
	}
	return FALSE;
}
if (!check_version(&vers_info, name, verbose)) {
	if (verbose) wait_synch();
	return FALSE;
}
return TRUE;
}

store_version

void
store_version(fd)
int fd;
{
	const static struct version_info version_data = {
			VERSION_NUMBER, VERSION_FEATURES,
			VERSION_SANITY1, VERSION_SANITY2
	};

	bufoff(fd);
	/* bwrite() before bufon() uses plain write() */
	bwrite(fd,(genericptr_t)&version_data,(unsigned)(sizeof version_data));
	bufon(fd);
	return;
}

#ifdef AMIGA
const char amiga_version_string[] = AMIGA_VERSION_STRING;
#endif

get_feature_notice_ver

unsigned long
get_feature_notice_ver(str)
char *str;
{
	char buf[BUFSZ];
	int ver_maj, ver_min, patch;
	char *istr[3];
	int j = 0;

	if (!str) return 0L;
	str = strcpy(buf, str);
	istr[j] = str;
	while (*str) {
		if (*str == '.') {
			*str++ = '\0';
			j++;
			istr[j] = str;
			if (j == 2) break;
		} else if (index("0123456789", *str) != 0) {
			str++;
		} else 
			return 0L;
	}
	if (j != 2) return 0L;
	ver_maj = atoi(istr[0]);
	ver_min = atoi(istr[1]);
	patch = atoi(istr[2]);
	return FEATURE_NOTICE_VER(ver_maj,ver_min,patch);
	/* macro from hack.h */
}

get_current_feature_ver

unsigned long
get_current_feature_ver()
{
	return FEATURE_NOTICE_VER(VERSION_MAJOR,VERSION_MINOR,PATCHLEVEL);
}

/*version.c*/