Commit 97948aef666fa0237217b9fdc7bcc1fa072e606c
2013-08-23T21:38:54
Add support for some BSDs and Solaris to SDL_GetBasePath().
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diff --git a/src/filesystem/unix/SDL_sysfilesystem.c b/src/filesystem/unix/SDL_sysfilesystem.c
index 09db1e5..1798f3e 100644
--- a/src/filesystem/unix/SDL_sysfilesystem.c
+++ b/src/filesystem/unix/SDL_sysfilesystem.c
@@ -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];