jediacademy/codemp/unix/unix_shared.cpp
2013-04-04 18:21:13 -05:00

350 lines
7.2 KiB
C++

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <dirent.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <pwd.h>
#include "../game/q_shared.h"
#include "../qcommon/qcommon.h"
typedef unsigned short DWORD;
//=============================================================================
// Used to determine CD Path
static char cdPath[MAX_OSPATH];
// Used to determine local installation path
static char installPath[MAX_OSPATH];
// Used to determine where to store user-specific files
static char homePath[MAX_OSPATH];
//DWORD timeGetTime(void)
//{
// return Sys_Milliseconds();
//}
/*
================
Sys_Milliseconds
================
*/
int curtime;
int sys_timeBase;
int Sys_Milliseconds (bool baseTime)
{
struct timeval tp;
struct timezone tzp;
gettimeofday(&tp, &tzp);
if (!sys_timeBase)
{
sys_timeBase = tp.tv_sec;
return tp.tv_usec/1000;
}
curtime = (tp.tv_sec - sys_timeBase)*1000 + tp.tv_usec/1000;
static int sys_timeBase = curtime;
if (!baseTime)
{
curtime -= sys_timeBase;
}
return curtime;
}
//#if 0 // bk001215 - see snapvector.nasm for replacement
#if (defined __APPLE__) // rcg010206 - using this for PPC builds...
long fastftol( float f ) { // bk001213 - from win32/win_shared.c
//static int tmp;
// __asm fld f
//__asm fistp tmp
//__asm mov eax, tmp
return (long)f;
}
void Sys_SnapVector3( float *v ) { // bk001213 - see win32/win_shared.c
// bk001213 - old linux
v[0] = rint(v[0]);
v[1] = rint(v[1]);
v[2] = rint(v[2]);
}
#endif
void Sys_Mkdir( const char *path )
{
mkdir (path, 0777);
}
char *strlwr (char *s) {
if ( s==NULL ) { // bk001204 - paranoia
assert(0);
return s;
}
while (*s) {
*s = tolower(*s);
s++;
}
return s; // bk001204 - duh
}
//============================================
#define MAX_FOUND_FILES 0x1000
// bk001129 - new in 1.26
void Sys_ListFilteredFiles( const char *basedir, char *subdirs, char *filter, char **list, int *numfiles ) {
char search[MAX_OSPATH], newsubdirs[MAX_OSPATH];
char filename[MAX_OSPATH];
DIR *fdir;
struct dirent *d;
struct stat st;
if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
return;
}
if (strlen(subdirs)) {
Com_sprintf( search, sizeof(search), "%s/%s", basedir, subdirs );
}
else {
Com_sprintf( search, sizeof(search), "%s", basedir );
}
if ((fdir = opendir(search)) == NULL) {
return;
}
while ((d = readdir(fdir)) != NULL) {
Com_sprintf(filename, sizeof(filename), "%s/%s", search, d->d_name);
if (stat(filename, &st) == -1)
continue;
if (st.st_mode & S_IFDIR) {
if (Q_stricmp(d->d_name, ".") && Q_stricmp(d->d_name, "..")) {
if (strlen(subdirs)) {
Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s/%s", subdirs, d->d_name);
}
else {
Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s", d->d_name);
}
Sys_ListFilteredFiles( basedir, newsubdirs, filter, list, numfiles );
}
}
if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
break;
}
Com_sprintf( filename, sizeof(filename), "%s/%s", subdirs, d->d_name );
if (!Com_FilterPath( filter, filename, qfalse ))
continue;
list[ *numfiles ] = CopyString( filename );
(*numfiles)++;
}
closedir(fdir);
}
// bk001129 - in 1.17 this used to be
// char **Sys_ListFiles( const char *directory, const char *extension, int *numfiles, qboolean wantsubs )
char **Sys_ListFiles( const char *directory, const char *extension, char *filter, int *numfiles, qboolean wantsubs )
{
struct dirent *d;
// char *p; // bk001204 - unused
DIR *fdir;
qboolean dironly = wantsubs;
char search[MAX_OSPATH];
int nfiles;
char **listCopy;
char *list[MAX_FOUND_FILES];
//int flag; // bk001204 - unused
int i;
struct stat st;
int extLen;
if (filter) {
nfiles = 0;
Sys_ListFilteredFiles( directory, "", filter, list, &nfiles );
list[ nfiles ] = 0;
*numfiles = nfiles;
if (!nfiles)
return NULL;
listCopy = (char **)Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ),TAG_FILESYS,qfalse );
for ( i = 0 ; i < nfiles ; i++ ) {
listCopy[i] = list[i];
}
listCopy[i] = NULL;
return listCopy;
}
if ( !extension)
extension = "";
if ( extension[0] == '/' && extension[1] == 0 ) {
extension = "";
dironly = qtrue;
}
extLen = strlen( extension );
// search
nfiles = 0;
if ((fdir = opendir(directory)) == NULL) {
*numfiles = 0;
return NULL;
}
while ((d = readdir(fdir)) != NULL) {
Com_sprintf(search, sizeof(search), "%s/%s", directory, d->d_name);
if (stat(search, &st) == -1)
continue;
if ((dironly && !(st.st_mode & S_IFDIR)) ||
(!dironly && (st.st_mode & S_IFDIR)))
continue;
if (*extension) {
if ( strlen( d->d_name ) < strlen( extension ) ||
Q_stricmp(
d->d_name + strlen( d->d_name ) - strlen( extension ),
extension ) ) {
continue; // didn't match
}
}
if ( nfiles == MAX_FOUND_FILES - 1 )
break;
list[ nfiles ] = CopyString( d->d_name );
nfiles++;
}
list[ nfiles ] = 0;
closedir(fdir);
// return a copy of the list
*numfiles = nfiles;
if ( !nfiles ) {
return NULL;
}
listCopy = (char **)Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ),TAG_FILESYS,qfalse );
for ( i = 0 ; i < nfiles ; i++ ) {
listCopy[i] = list[i];
}
listCopy[i] = NULL;
return listCopy;
}
void Sys_FreeFileList( char **list ) {
int i;
if ( !list ) {
return;
}
for ( i = 0 ; list[i] ; i++ ) {
Z_Free( list[i] );
}
Z_Free( list );
}
char *Sys_Cwd( void )
{
static char cwd[MAX_OSPATH];
getcwd( cwd, sizeof( cwd ) - 1 );
cwd[MAX_OSPATH-1] = 0;
return cwd;
}
void Sys_SetDefaultCDPath(const char *path)
{
Q_strncpyz(cdPath, path, sizeof(cdPath));
}
char *Sys_DefaultCDPath(void)
{
return cdPath;
}
void Sys_SetDefaultInstallPath(const char *path)
{
Q_strncpyz(installPath, path, sizeof(installPath));
}
char *Sys_DefaultInstallPath(void)
{
if (*installPath)
return installPath;
else
return Sys_Cwd();
}
void Sys_SetDefaultHomePath(const char *path)
{
Q_strncpyz(homePath, path, sizeof(homePath));
}
char *Sys_DefaultHomePath(void)
{
char *p;
if (*homePath)
return homePath;
if ((p = getenv("HOME")) != NULL) {
Q_strncpyz(homePath, p, sizeof(homePath));
#ifdef MACOS_X
Q_strcat(homePath, sizeof(homePath), "/Library/Application Support/Quake3");
#else
Q_strcat(homePath, sizeof(homePath), "/.ja");
#endif
if (mkdir(homePath, 0777)) {
if (errno != EEXIST)
Sys_Error("Unable to create directory \"%s\", error is %s(%d)\n", homePath, strerror(errno), errno);
}
return homePath;
}
return ""; // assume current dir
}
//============================================
int Sys_GetProcessorId( void )
{
return CPUID_GENERIC;
}
void Sys_ShowConsole( int visLevel, qboolean quitOnClose )
{
}
char *Sys_GetCurrentUser( void )
{
struct passwd *p;
if ( (p = getpwuid( getuid() )) == NULL ) {
return "player";
}
return p->pw_name;
}