src: replace getcwd() with g_get_current_dir()

commandhelper.c is not converted since this is a standalone
program only run on UNIX, so can rely on getcwd().
Reviewed-by: NFabiano Fidêncio <fidencio@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/util/virfile.c

@@ -3187,10 +3187,7 @@ virFileAbsPath(const char *path, char **abspath)
     if (path[0] == '/') {
         *abspath = g_strdup(path);
     } else {
-        g_autofree char *buf = getcwd(NULL, 0);
-
-        if (buf == NULL)
-            return -1;
+        g_autofree char *buf = g_get_current_dir();
 
         *abspath = g_strdup_printf("%s/%s", buf, path);
     }

tools/vsh.c

@@ -3296,21 +3296,11 @@ const vshCmdInfo info_pwd[] = {
 bool
 cmdPwd(vshControl *ctl, const vshCmd *cmd G_GNUC_UNUSED)
 {
-    char *cwd;
-    bool ret = true;
-    char ebuf[1024];
+    g_autofree char *cwd = g_get_current_dir();
 
-    cwd = getcwd(NULL, 0);
-    if (!cwd) {
-        vshError(ctl, _("pwd: cannot get current directory: %s"),
-                 virStrerror(errno, ebuf, sizeof(ebuf)));
-        ret = false;
-    } else {
-        vshPrint(ctl, _("%s\n"), cwd);
-        VIR_FREE(cwd);
-    }
+    vshPrint(ctl, _("%s\n"), cwd);
 
-    return ret;
+    return true;
 }
 
 const vshCmdInfo info_quit[] = {