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Add support for some BSDs and Solaris to SDL_GetBasePath().

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This commit is contained in:
Ryan C. Gordon 2013-08-23 21:38:54 -04:00
parent e8e09674f9
commit c9caaf317a
1 changed files with 39 additions and 2 deletions
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41
src/filesystem/unix/SDL_sysfilesystem.c
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@ -26,9 +26,14 @@
/* System dependent filesystem routines */
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef __FREEBSD__
#include <sys/sysctl.h>
#endif
#include "SDL_error.h"
#include "SDL_stdinc.h"
#include "SDL_filesystem.h"
@ -73,9 +78,41 @@ SDL_GetBasePath(void)
{
char *retval = NULL;
#if defined(__FREEBSD__)
char fullpath[PATH_MAX];
size_t buflen = sizeof (fullpath);
int mib[4];
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PATHNAME;
mib[3] = -1;
if (sysctl(mib, 4, fullpath, &buflen, NULL, 0) != -1) {
retval = SDL_strdup(fullpath);
if (!retval) {
SDL_OutOfMemory();
return NULL;
}
}
#elif defined(__SOLARIS__)
const char *path = getexecname();
if ((path != NULL) && (path[0] == '/')) { /* must be absolute path... */
retval = SDL_strdup(fullpath);
if (!retval) {
SDL_OutOfMemory();
return NULL;
}
}
#endif
/* is a Linux-style /proc filesystem available? */
if (access("/proc", F_OK) == 0) {
retval = readSymLink("/proc/self/exe");
if (!retval && (access("/proc", F_OK) == 0)) {
#if defined(__FREEBSD__)
retval = readSymLink("/proc/curproc/file");
#elif defined(__NETBSD__)
retval = readSymLink("/proc/curproc/exe");
#else
retval = readSymLink("/proc/self/exe"); /* linux. */
#endif
if (retval == NULL) {
/* older kernels don't have /proc/self ... try PID version... */
char path[64];