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Provide a fallback for PATH_EXE on *nix

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Less pain on BSD.
This commit is contained in:
dhewg 2012-07-03 17:36:29 +02:00
parent 14ba5b82c6
commit ff00686218
1 changed files with 21 additions and 5 deletions

26
neo/sys/linux/main.cpp
View file

@ -42,6 +42,8 @@ If you have questions concerning this license or the applicable additional terms
#include <locale.h>
static char path_argv[MAX_OSPATH];
bool Sys_GetPath(sysPath_t type, idStr &path) {
const char *s;
char buf[MAX_OSPATH];
@ -102,13 +104,17 @@ bool Sys_GetPath(sysPath_t type, idStr &path) {
case PATH_EXE:
idStr::snPrintf(buf, sizeof(buf), "/proc/%d/exe", getpid());
len = readlink(buf, buf2, sizeof(buf2));
if (len == -1) {
Sys_Printf("couldn't stat exe path link %s\n", buf);
return false;
if (len != -1) {
path = buf2;
return true;
}
path = buf2;
return true;
if (path_argv[0] != 0) {
path = path_argv;
return true;
}
return false;
}
return false;
@ -282,7 +288,17 @@ main
===============
*/
int main(int argc, char **argv) {
// fallback path to the binary for systems without /proc
// while not 100% reliable, its good enough
if (argc > 0) {
if (!realpath(argv[0], path_argv))
path_argv[0] = 0;
} else {
path_argv[0] = 0;
}
setlocale(LC_ALL, "C");
Posix_EarlyInit( );
// some ladspa-plugins (that may be indirectly loaded by doom3 if they're