Consolidate stat(2) and lstat(2) calls and error handling.

git-svn-id: svn://busybox.net/trunk/busybox@1189 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 25 insertions, 34 deletions

diff --git a/ls.c b/ls.c
index 28b2f954d..4377256f6 100644
--- a/ls.c
+++ b/ls.c
@@ -175,6 +175,29 @@ static unsigned short tabstops = 8;
 
 static int status = EXIT_SUCCESS;
 
+static int my_stat(struct dnode *cur)
+{
+#ifdef BB_FEATURE_LS_FOLLOWLINKS
+        if (follow_links == TRUE) {
+                if (stat(cur->fullname, &cur->dstat)) {
+                        errorMsg("%s: %s\n", cur->fullname, strerror(errno));
+                        status = EXIT_FAILURE;
+                        free(cur->fullname);
+                        free(cur);
+                        return -1;
+                }
+        } else
+#endif
+        if (lstat(cur->fullname, &cur->dstat)) {
+                errorMsg("%s: %s\n", cur->fullname, strerror(errno));
+                status = EXIT_FAILURE;
+                free(cur->fullname);
+                free(cur);
+                return -1;
+        }
+        return 0;
+}
+
 static void newline(void)
 {
     if (column > 0) {
@@ -476,24 +499,8 @@ struct dnode **list_dir(char *path)
                         strcat(cur->fullname, "/");
                 cur->name= cur->fullname + strlen(cur->fullname);
                 strcat(cur->fullname, entry->d_name);
-#ifdef BB_FEATURE_LS_FOLLOWLINKS
-                if (follow_links == TRUE) {
-                        if (stat(cur->fullname, &cur->dstat)) {
-                                errorMsg("%s: %s\n", cur->fullname, strerror(errno));
-                                status = EXIT_FAILURE;
-                                free(cur->fullname);
-                                free(cur);
-                                continue;
-                        }
-                } else
-#endif
-                if (lstat(cur->fullname, &cur->dstat)) {   /* get file stat info into node */
-                        errorMsg("%s: %s\n", cur->fullname, strerror(errno));
-                        status = EXIT_FAILURE;
-                        free(cur->fullname);
-                        free(cur);
+                if (my_stat(cur))
                         continue;
-                }
                 cur->next= dn;
                 dn= cur;
                 nfiles++;
@@ -792,24 +799,8 @@ extern int ls_main(int argc, char **argv)
                 cur= (struct dnode *)xmalloc(sizeof(struct dnode));
                 cur->fullname= xstrdup(av[oi]);
                 cur->name= cur->fullname;
-#ifdef BB_FEATURE_LS_FOLLOWLINKS
-                if (follow_links == TRUE) {
-                        if (stat(av[oi], &cur->dstat)) {
-                                errorMsg("%s: %s\n", av[oi], strerror(errno));
-                                status = EXIT_FAILURE;
-                                free(cur->fullname);
-                                free(cur);
-                                continue;
-                        }
-                } else
-#endif
-                if (lstat(av[oi], &cur->dstat)) {  /* get file info into node */
-                        errorMsg("%s: %s\n", av[oi], strerror(errno));
-                        status = EXIT_FAILURE;
-                        free(cur->fullname);
-                        free(cur);
+                if (my_stat(cur))
                         continue;
-                }
                 cur->next= dn;
                 dn= cur;
                 nfiles++;