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fix cdpath, deuglify dlopen code, load dll also from cdpath

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Ludwig Nussel 2005-08-31 08:49:02 +00:00
parent 8200e26360
commit 77eb7e4147
1 changed files with 45 additions and 37 deletions
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76
code/unix/unix_main.c
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@ -37,6 +37,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include <sys/wait.h>
#include <sys/mman.h>
#include <errno.h>
#include <libgen.h> // dirname
#ifdef __linux__ // rb010123
#include <mntent.h>
#endif
@ -707,6 +708,31 @@ changed the load procedure to match VFS logic, and allow developer use
*/
extern char *FS_BuildOSPath( const char *base, const char *game, const char *qpath );
static void* try_dlopen(const char* base, const char* gamedir, const char* fname, char* fqpath )
{
void* libHandle;
char* fn;
*fqpath = 0;
// bk001129 - was RTLD_LAZY
#define Q_RTLD RTLD_NOW
fn = FS_BuildOSPath( base, gamedir, fname );
Com_Printf( "Sys_LoadDll(%s)... \n", fn );
libHandle = dlopen( fn, Q_RTLD );
if(!libHandle) {
Com_Printf( "Sys_LoadDll(%s) failed:\n\"%s\"\n", fn, dlerror() );
return NULL;
}
Com_Printf ( "Sys_LoadDll(%s): succeeded ...\n", fn );
Q_strncpyz ( fqpath , fn , MAX_QPATH ) ; // added 7/20/02 by T.Ray
return libHandle;
}
void *Sys_LoadDll( const char *name, char *fqpath ,
long (**entryPoint)(long, ...),
long (*systemcalls)(long, ...) )
@ -718,12 +744,10 @@ void *Sys_LoadDll( const char *name, char *fqpath ,
char *basepath;
char *homepath;
char *pwdpath;
char *cdpath;
char *gamedir;
char *fn;
const char* err = NULL;
*fqpath = 0;
// bk001206 - let's have some paranoia
assert( name );
@ -744,37 +768,25 @@ void *Sys_LoadDll( const char *name, char *fqpath ,
#error Unknown arch
#endif
// bk001129 - was RTLD_LAZY
#define Q_RTLD RTLD_NOW
// TODO: use fs_searchpaths from files.c
pwdpath = Sys_Cwd();
basepath = Cvar_VariableString( "fs_basepath" );
homepath = Cvar_VariableString( "fs_homepath" );
cdpath = Cvar_VariableString( "fs_cdpath" );
gamedir = Cvar_VariableString( "fs_game" );
// pwdpath
fn = FS_BuildOSPath( pwdpath, gamedir, fname );
Com_Printf( "Sys_LoadDll(%s)... \n", fn );
libHandle = dlopen( fn, Q_RTLD );
libHandle = try_dlopen(pwdpath, gamedir, fname, fqpath);
if ( !libHandle )
{
Com_Printf( "Sys_LoadDll(%s) failed:\n\"%s\"\n", fn, dlerror() );
// fs_homepath
fn = FS_BuildOSPath( homepath, gamedir, fname );
Com_Printf( "Sys_LoadDll(%s)... \n", fn );
libHandle = dlopen( fn, Q_RTLD );
if(!libHandle && homepath)
libHandle = try_dlopen(homepath, gamedir, fname, fqpath);
if ( !libHandle )
{
Com_Printf( "Sys_LoadDll(%s) failed:\n\"%s\"\n", fn, dlerror() );
// fs_basepath
fn = FS_BuildOSPath( basepath, gamedir, fname );
Com_Printf( "Sys_LoadDll(%s)... \n", fn );
libHandle = dlopen( fn, Q_RTLD );
if(!libHandle && basepath)
libHandle = try_dlopen(basepath, gamedir, fname, fqpath);
if ( !libHandle )
{
if(!libHandle && cdpath)
libHandle = try_dlopen(cdpath, gamedir, fname, fqpath);
if(!libHandle) {
#if 0 // don't abort -- ln
//#ifndef NDEBUG // bk001206 - in debug abort on failure
Com_Error ( ERR_FATAL, "Sys_LoadDll(%s) failed dlopen() completely!\n", name );
@ -782,12 +794,7 @@ void *Sys_LoadDll( const char *name, char *fqpath ,
Com_Printf ( "Sys_LoadDll(%s) failed dlopen() completely!\n", name );
#endif
return NULL;
} else
Com_Printf ( "Sys_LoadDll(%s): succeeded ...\n", fn );
} else
Com_Printf ( "Sys_LoadDll(%s): succeeded ...\n", fn );
} else
Com_Printf ( "Sys_LoadDll(%s): succeeded ...\n", fn );
}
dllEntry = dlsym( libHandle, "dllEntry" );
*entryPoint = dlsym( libHandle, "vmMain" );
@ -808,7 +815,6 @@ void *Sys_LoadDll( const char *name, char *fqpath ,
Com_Printf ( "Sys_LoadDll(%s) found **vmMain** at %p \n", name, *entryPoint ); // bk001212
dllEntry( systemcalls );
Com_Printf ( "Sys_LoadDll(%s) succeeded!\n", name );
if ( libHandle ) Q_strncpyz ( fqpath , fn , MAX_QPATH ) ; // added 7/20/02 by T.Ray
return libHandle;
}
@ -1236,6 +1242,7 @@ int main ( int argc, char* argv[] )
// int oldtime, newtime; // bk001204 - unused
int len, i;
char *cmdline;
char cdpath[PATH_MAX] = {0};
void Sys_SetDefaultCDPath(const char *path);
// go back to real user for config loads
@ -1244,7 +1251,8 @@ int main ( int argc, char* argv[] )
Sys_ParseArgs( argc, argv ); // bk010104 - added this for support
Sys_SetDefaultCDPath(argv[0]);
strncat(cdpath, argv[0], sizeof(cdpath)-1);
Sys_SetDefaultCDPath(dirname(cdpath));
// merge the command line, this is kinda silly
for (len = 1, i = 1; i < argc; i++)