mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 14:42:07 +00:00
641 lines
12 KiB
C
641 lines
12 KiB
C
/* Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
See file, 'COPYING', for details.
|
|
*/
|
|
|
|
// cmdlib.c
|
|
|
|
#include "config.h"
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include "cmdlib.h"
|
|
|
|
#ifdef _WIN32
|
|
#include <direct.h>
|
|
#endif
|
|
|
|
#ifdef NeXT
|
|
#include <libc.h>
|
|
#endif
|
|
|
|
#define PATHSEPERATOR '/'
|
|
|
|
// set these before calling CheckParm
|
|
int myargc;
|
|
char **myargv;
|
|
|
|
qboolean com_eof;
|
|
|
|
qboolean archive;
|
|
char archivedir[1024];
|
|
|
|
/*
|
|
qdir will hold the path up to the quake directory, including the slash
|
|
|
|
f:\quake\
|
|
/raid/quake/
|
|
|
|
gamedir will hold qdir + the game directory (id1, id2, etc)
|
|
*/
|
|
|
|
char qdir[1024];
|
|
char gamedir[1024];
|
|
|
|
void
|
|
SetQdirFromPath (char *path)
|
|
{
|
|
char temp[1024];
|
|
char *c;
|
|
|
|
if (!(path[0] == '/' || path[0] == '\\' || path[1] == ':'))
|
|
{ // path is partial
|
|
Q_getwd (temp);
|
|
strcat (temp, path);
|
|
path = temp;
|
|
}
|
|
|
|
// search for "quake" in path
|
|
|
|
for (c=path ; *c ; c++)
|
|
if (!Q_strncasecmp (c, "quake", 5)) {
|
|
strncpy (qdir, path, c+6-path);
|
|
printf ("qdir: %s\n", qdir);
|
|
c += 6;
|
|
while (*c) {
|
|
if (*c == '/' || *c == '\\') {
|
|
strncpy (gamedir, path, c+1-path);
|
|
printf ("gamedir: %s\n", gamedir);
|
|
return;
|
|
}
|
|
c++;
|
|
}
|
|
Error ("No gamedir in %s", path);
|
|
return;
|
|
}
|
|
Error ("SetQdirFromPath: no 'quake' in %s", path);
|
|
}
|
|
|
|
const char *
|
|
ExpandPath (const char *path)
|
|
{
|
|
static char full[1024];
|
|
|
|
if (!qdir)
|
|
Error ("ExpandPath called without qdir set");
|
|
if (path[0] == '/' || path[0] == '\\' || path[1] == ':')
|
|
return path;
|
|
sprintf (full, "%s%s", qdir, path);
|
|
return full;
|
|
}
|
|
|
|
const char *
|
|
ExpandPathAndArchive (const char *path)
|
|
{
|
|
const char *expanded;
|
|
char archivename[1024];
|
|
|
|
expanded = ExpandPath (path);
|
|
|
|
if (archive) {
|
|
sprintf (archivename, "%s/%s", archivedir, path);
|
|
CopyFile (expanded, archivename);
|
|
}
|
|
return expanded;
|
|
}
|
|
|
|
char *
|
|
copystring(const char *s)
|
|
{
|
|
char *b;
|
|
|
|
b = malloc (strlen (s) + 1);
|
|
strcpy (b, s);
|
|
return b;
|
|
}
|
|
|
|
double
|
|
I_FloatTime (void)
|
|
{
|
|
time_t t;
|
|
|
|
time (&t);
|
|
|
|
return t;
|
|
#if 0
|
|
// more precise, less portable
|
|
struct timeval tp;
|
|
struct timezone tzp;
|
|
static int secbase;
|
|
|
|
gettimeofday (&tp, &tzp);
|
|
|
|
if (!secbase) {
|
|
secbase = tp.tv_sec;
|
|
return tp.tv_usec/1000000.0;
|
|
}
|
|
|
|
return (tp.tv_sec - secbase) + tp.tv_usec / 1000000.0;
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Q_getwd (char *out)
|
|
{
|
|
#ifdef _WIN32
|
|
_getcwd (out, 256);
|
|
strcat (out, "\\");
|
|
#else
|
|
getcwd (out, 256);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Q_mkdir (char *path)
|
|
{
|
|
#ifdef _WIN32
|
|
if (_mkdir (path) != -1)
|
|
return;
|
|
#else
|
|
if (mkdir (path, 0777) != -1)
|
|
return;
|
|
#endif
|
|
if (errno != EEXIST)
|
|
Error ("mkdir %s: %s",path, strerror(errno));
|
|
}
|
|
|
|
/*
|
|
============
|
|
FileTime
|
|
|
|
returns -1 if not present
|
|
============
|
|
*/
|
|
int
|
|
FileTime (char *path)
|
|
{
|
|
struct stat buf;
|
|
|
|
if (stat (path,&buf) == -1)
|
|
return -1;
|
|
|
|
return buf.st_mtime;
|
|
}
|
|
|
|
int
|
|
Q_strncasecmp (const char *s1, const char *s2, int n)
|
|
{
|
|
int c1, c2;
|
|
|
|
while (1) {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
if (!n--)
|
|
return 0; // strings are equal until end point
|
|
|
|
if (c1 != c2) {
|
|
if (c1 >= 'a' && c1 <= 'z')
|
|
c1 -= ('a' - 'A');
|
|
if (c2 >= 'a' && c2 <= 'z')
|
|
c2 -= ('a' - 'A');
|
|
if (c1 != c2)
|
|
return -1; // strings not equal
|
|
}
|
|
if (!c1)
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
Q_strcasecmp (const char *s1, const char *s2)
|
|
{
|
|
return Q_strncasecmp (s1, s2, 99999);
|
|
}
|
|
|
|
char *
|
|
strupr (char *start)
|
|
{
|
|
char *in;
|
|
|
|
in = start;
|
|
while (*in) {
|
|
*in = toupper (*in);
|
|
in++;
|
|
}
|
|
return start;
|
|
}
|
|
|
|
char *
|
|
strlower (char *start)
|
|
{
|
|
char *in;
|
|
|
|
in = start;
|
|
while (*in) {
|
|
*in = tolower (*in);
|
|
in++;
|
|
}
|
|
return start;
|
|
}
|
|
|
|
/*
|
|
=============================================================================
|
|
|
|
MISC FUNCTIONS
|
|
|
|
=============================================================================
|
|
*/
|
|
|
|
/*
|
|
=================
|
|
CheckParm
|
|
|
|
Checks for the given parameter in the program's command line arguments
|
|
Returns the argument number (1 to argc-1) or 0 if not present
|
|
=================
|
|
*/
|
|
int
|
|
CheckParm (const char *check)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i < myargc; i++) {
|
|
if (!Q_strcasecmp (check, myargv[i]))
|
|
return i;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
QFile *
|
|
SafeOpenWrite (const char *filename)
|
|
{
|
|
QFile *f;
|
|
|
|
f = Qopen(filename, "wb");
|
|
|
|
if (!f)
|
|
Error ("Error opening %s: %s",filename,strerror(errno));
|
|
|
|
return f;
|
|
}
|
|
|
|
QFile *
|
|
SafeOpenRead (const char *filename)
|
|
{
|
|
QFile *f;
|
|
|
|
f = Qopen(filename, "rb");
|
|
|
|
if (!f)
|
|
Error ("Error opening %s: %s",filename,strerror(errno));
|
|
|
|
return f;
|
|
}
|
|
|
|
void
|
|
SafeRead (QFile *f, void *buffer, int count)
|
|
{
|
|
if (Qread (f, buffer, count) != count)
|
|
Error ("File read failure");
|
|
}
|
|
|
|
void
|
|
SafeWrite (QFile *f, void *buffer, int count)
|
|
{
|
|
if (Qwrite (f, buffer, count) != count)
|
|
Error ("File read failure");
|
|
}
|
|
|
|
void
|
|
SaveFile (const char *filename, void *buffer, int count)
|
|
{
|
|
QFile *f;
|
|
|
|
f = SafeOpenWrite (filename);
|
|
SafeWrite (f, buffer, count);
|
|
Qclose (f);
|
|
}
|
|
|
|
void
|
|
DefaultExtension (char *path, const char *extension)
|
|
{
|
|
char *src;
|
|
|
|
// if path doesn't have a .EXT, append extension
|
|
// (extension should include the .)
|
|
|
|
src = path + strlen (path) - 1;
|
|
|
|
while (*src != PATHSEPERATOR && src != path) {
|
|
if (*src == '.')
|
|
return; // it has an extension
|
|
src--;
|
|
}
|
|
|
|
strcat (path, extension);
|
|
}
|
|
|
|
|
|
void
|
|
DefaultPath (char *path, char *basepath)
|
|
{
|
|
char temp[128];
|
|
|
|
if (path[0] == PATHSEPERATOR)
|
|
return; // absolute path location
|
|
strcpy (temp, path);
|
|
strcpy (path, basepath);
|
|
strcat (path, temp);
|
|
}
|
|
|
|
void
|
|
StripFilename (char *path)
|
|
{
|
|
int length;
|
|
|
|
length = strlen (path) - 1;
|
|
while (length > 0 && path[length] != PATHSEPERATOR)
|
|
length--;
|
|
path[length] = 0;
|
|
}
|
|
|
|
void
|
|
StripExtension (char *path)
|
|
{
|
|
int length;
|
|
|
|
length = strlen (path) - 1;
|
|
while (length > 0 && path[length] != '.') {
|
|
length--;
|
|
if (path[length] == '/')
|
|
return; // no extension
|
|
}
|
|
if (length)
|
|
path[length] = 0;
|
|
}
|
|
|
|
/*
|
|
====================
|
|
Extract file parts
|
|
====================
|
|
*/
|
|
void
|
|
ExtractFilePath (char *path, char *dest)
|
|
{
|
|
char *src;
|
|
|
|
src = path + strlen(path) - 1;
|
|
|
|
// back up until a \ or the start
|
|
while (src != path && *(src-1) != PATHSEPERATOR)
|
|
src--;
|
|
|
|
memcpy (dest, path, src-path);
|
|
dest[src-path] = 0;
|
|
}
|
|
|
|
void
|
|
ExtractFileBase (char *path, char *dest)
|
|
{
|
|
char *src;
|
|
|
|
src = path + strlen(path) - 1;
|
|
|
|
// back up until a \ or the start
|
|
while (src != path && *(src-1) != PATHSEPERATOR)
|
|
src--;
|
|
|
|
while (*src && *src != '.') {
|
|
*dest++ = *src++;
|
|
}
|
|
*dest = 0;
|
|
}
|
|
|
|
void
|
|
ExtractFileExtension (char *path, char *dest)
|
|
{
|
|
char *src;
|
|
|
|
src = path + strlen(path) - 1;
|
|
|
|
// back up until a . or the start
|
|
while (src != path && *(src-1) != '.')
|
|
src--;
|
|
if (src == path) {
|
|
*dest = 0; // no extension
|
|
return;
|
|
}
|
|
|
|
strcpy (dest,src);
|
|
}
|
|
|
|
static int
|
|
ParseHex (char *hex)
|
|
{
|
|
char *str;
|
|
int num;
|
|
|
|
num = 0;
|
|
str = hex;
|
|
|
|
while (*str) {
|
|
num <<= 4;
|
|
if (*str >= '0' && *str <= '9')
|
|
num += *str - '0';
|
|
else if (*str >= 'a' && *str <= 'f')
|
|
num += 10 + *str - 'a';
|
|
else if (*str >= 'A' && *str <= 'F')
|
|
num += 10 + *str - 'A';
|
|
else
|
|
Error ("Bad hex number: %s",hex);
|
|
str++;
|
|
}
|
|
|
|
return num;
|
|
}
|
|
|
|
int
|
|
ParseNum (char *str)
|
|
{
|
|
if (str[0] == '$')
|
|
return ParseHex (str + 1);
|
|
if (str[0] == '0' && str[1] == 'x')
|
|
return ParseHex (str + 2);
|
|
return atol (str);
|
|
}
|
|
|
|
/*
|
|
============================================================================
|
|
|
|
BYTE ORDER FUNCTIONS
|
|
|
|
============================================================================
|
|
*/
|
|
|
|
//=======================================================
|
|
|
|
|
|
// FIXME: byte swap?
|
|
|
|
// this is a 16 bit, non-reflected CRC using the polynomial 0x1021
|
|
// and the initial and final xor values shown below... in other words, the
|
|
// CCITT standard CRC used by XMODEM
|
|
|
|
#define CRC_INIT_VALUE 0xffff
|
|
#define CRC_XOR_VALUE 0x0000
|
|
|
|
static unsigned short crctable[256] =
|
|
{
|
|
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
|
|
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
|
|
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
|
|
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
|
|
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
|
|
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
|
|
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
|
|
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
|
|
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
|
|
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
|
|
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
|
|
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
|
|
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
|
|
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
|
|
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
|
|
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
|
|
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
|
|
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
|
|
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
|
|
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
|
|
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
|
|
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
|
|
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
|
|
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
|
|
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
|
|
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
|
|
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
|
|
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
|
|
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
|
|
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
|
|
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
|
|
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
|
|
};
|
|
|
|
void
|
|
CRC_Init (unsigned short *crcvalue)
|
|
{
|
|
*crcvalue = CRC_INIT_VALUE;
|
|
}
|
|
|
|
void
|
|
CRC_ProcessByte (unsigned short *crcvalue, byte data)
|
|
{
|
|
*crcvalue = (*crcvalue << 8) ^ crctable[(*crcvalue >> 8) ^ data];
|
|
}
|
|
|
|
unsigned short
|
|
CRC_Value (unsigned short crcvalue)
|
|
{
|
|
return crcvalue ^ CRC_XOR_VALUE;
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
void
|
|
CreatePath (const char *_path)
|
|
{
|
|
char *path = strdup (_path);
|
|
char *ofs, c;
|
|
|
|
for (ofs = path+1 ; *ofs ; ofs++) {
|
|
c = *ofs;
|
|
if (c == '/' || c == '\\')
|
|
{ // create the directory
|
|
*ofs = 0;
|
|
Q_mkdir (path);
|
|
*ofs = c;
|
|
}
|
|
}
|
|
free (path);
|
|
}
|
|
|
|
int
|
|
LoadFile (const char *fname, void **buf)
|
|
{
|
|
QFile *file;
|
|
char *src;
|
|
int len;
|
|
|
|
*buf = 0;
|
|
file = Qopen (fname, "rt");
|
|
if (!file)
|
|
return 0;
|
|
len = Qfilesize (file);
|
|
src = malloc (len + 1);
|
|
src[Qfilesize (file)] = 0;
|
|
Qread (file, src, len);
|
|
Qclose (file);
|
|
*buf = src;
|
|
return len;
|
|
}
|
|
|
|
/*
|
|
============
|
|
CopyFile
|
|
|
|
Used to archive source files
|
|
============
|
|
*/
|
|
void
|
|
CopyFile (const char *from, const char *to)
|
|
{
|
|
void *buffer;
|
|
int length;
|
|
|
|
length = LoadFile (from, &buffer);
|
|
CreatePath (to);
|
|
SaveFile (to, buffer, length);
|
|
free (buffer);
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Error
|
|
|
|
For abnormal program terminations
|
|
=================
|
|
*/
|
|
void
|
|
Error (const char *error, ...)
|
|
{
|
|
va_list argptr;
|
|
|
|
printf ("************ ERROR ************\n");
|
|
|
|
va_start (argptr, error);
|
|
vprintf (error, argptr);
|
|
va_end (argptr);
|
|
printf ("\n");
|
|
exit (1);
|
|
}
|