Use proc_pidpath to get the process path on macOS when available

1 files changed, 24 insertions, 0 deletions

diff --git a/Alc/helpers.c b/Alc/helpers.c
index e5545492..f7adfba0 100644
--- a/Alc/helpers.c
+++ b/Alc/helpers.c
@@ -39,6 +39,9 @@
 #ifdef HAVE_DIRENT_H
 #include <dirent.h>
 #endif
+#ifdef HAVE_PROC_PIDPATH
+#include <libproc.h>
+#endif
 
 #ifdef __FreeBSD__
 #include <sys/types.h>
@@ -755,6 +758,27 @@ void GetProcBinary(al_string *path, al_string *fname)
         pathname[pathlen] = 0;
     }
 #endif
+#ifdef HAVE_PROC_PIDPATH
+    if(!pathname)
+    {
+        const pid_t pid = getpid();
+        char procpath[PROC_PIDPATHINFO_MAXSIZE];
+        int ret;
+
+        ret = proc_pidpath(pid, procpath, sizeof(procpath));
+        if(ret < 1)
+        {
+            WARN("proc_pidpath(%d, ...) failed: %s\n", pid, strerror(errno));
+            free(pathname);
+            pathname = NULL;
+        }
+        else
+        {
+            pathlen = strlen(procpath);
+            pathname = strdup(procpath);
+        }
+    }
+#endif
     if(!pathname)
     {
         const char *selfname;