include: move qemu_*_exec_dir() to cutils

The function is required by get_relocated_path() (already in cutils),
and used by qemu-ga and may be generally useful.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220525144140.591926-2-marcandre.lureau@redhat.com>

1 files changed, 2 insertions, 84 deletions

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 477990f39b..7a34c1657c 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -48,14 +48,13 @@
 #endif
 
 #ifdef __FreeBSD__
-#include <sys/sysctl.h>
-#include <sys/user.h>
 #include <sys/thr.h>
+#include <sys/types.h>
+#include <sys/user.h>
 #include <libutil.h>
 #endif
 
 #ifdef __NetBSD__
-#include <sys/sysctl.h>
 #include <lwp.h>
 #endif
 
@@ -283,87 +282,6 @@ void qemu_set_tty_echo(int fd, bool echo)
     tcsetattr(fd, TCSANOW, &tty);
 }
 
-static const char *exec_dir;
-
-void qemu_init_exec_dir(const char *argv0)
-{
-    char *p = NULL;
-    char buf[PATH_MAX];
-
-    if (exec_dir) {
-        return;
-    }
-
-#if defined(__linux__)
-    {
-        int len;
-        len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
-        if (len > 0) {
-            buf[len] = 0;
-            p = buf;
-        }
-    }
-#elif defined(__FreeBSD__) \
-      || (defined(__NetBSD__) && defined(KERN_PROC_PATHNAME))
-    {
-#if defined(__FreeBSD__)
-        static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
-#else
-        static int mib[4] = {CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME};
-#endif
-        size_t len = sizeof(buf) - 1;
-
-        *buf = '\0';
-        if (!sysctl(mib, ARRAY_SIZE(mib), buf, &len, NULL, 0) &&
-            *buf) {
-            buf[sizeof(buf) - 1] = '\0';
-            p = buf;
-        }
-    }
-#elif defined(__APPLE__)
-    {
-        char fpath[PATH_MAX];
-        uint32_t len = sizeof(fpath);
-        if (_NSGetExecutablePath(fpath, &len) == 0) {
-            p = realpath(fpath, buf);
-            if (!p) {
-                return;
-            }
-        }
-    }
-#elif defined(__HAIKU__)
-    {
-        image_info ii;
-        int32_t c = 0;
-
-        *buf = '\0';
-        while (get_next_image_info(0, &c, &ii) == B_OK) {
-            if (ii.type == B_APP_IMAGE) {
-                strncpy(buf, ii.name, sizeof(buf));
-                buf[sizeof(buf) - 1] = 0;
-                p = buf;
-                break;
-            }
-        }
-    }
-#endif
-    /* If we don't have any way of figuring out the actual executable
-       location then try argv[0].  */
-    if (!p && argv0) {
-        p = realpath(argv0, buf);
-    }
-    if (p) {
-        exec_dir = g_path_get_dirname(p);
-    } else {
-        exec_dir = CONFIG_BINDIR;
-    }
-}
-
-const char *qemu_get_exec_dir(void)
-{
-    return exec_dir;
-}
-
 #ifdef CONFIG_LINUX
 static void sigbus_handler(int signal, siginfo_t *siginfo, void *ctx)
 #else /* CONFIG_LINUX */