Add support for the -L option to ls.

1 files changed, 19 insertions, 0 deletions

diff --git a/coreutils/ls.c b/coreutils/ls.c
index b818003a8..0e08f7683 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -159,6 +159,9 @@ static unsigned int sort_order=	SORT_FORWARD;
 #ifdef BB_FEATURE_LS_TIMESTAMPS
 static unsigned int time_fmt=   TIME_MOD;
 #endif
+#ifdef BB_FEATURE_LS_FOLLOWLINKS
+static unsigned int follow_links=FALSE;
+#endif
 
 static unsigned short column = 0;
 #ifdef BB_FEATURE_AUTOWIDTH
@@ -474,6 +477,16 @@ struct dnode **list_dir(char *path)
                 cur= (struct dnode *)xmalloc(sizeof(struct dnode));
                 cur->fullname= xstrdup(fullname);
                 cur->name= cur->fullname + (int)(fnend - fullname) ;
+#ifdef BB_FEATURE_LS_FOLLOWLINKS
+                if (follow_links == TRUE) {
+                        if (stat(fullname, &cur->dstat)) {
+                                errorMsg("%s: %s\n", fullname, strerror(errno));
+                                free(cur->fullname);
+                                free(cur);
+                                continue;
+                        }
+                } else
+#endif
                 if (lstat(fullname, &cur->dstat)) {   /* get file stat info into node */
                         errorMsg("%s: %s\n", fullname, strerror(errno));
                         free(cur->fullname);
@@ -682,6 +695,9 @@ extern int ls_main(int argc, char **argv)
 #ifdef BB_FEATURE_LS_TIMESTAMPS
 "cetu"
 #endif
+#ifdef BB_FEATURE_LS_FOLLOWLINKS
+"L"
+#endif
         )) > 0) {
                 switch (opt) {
                         case '1': style_fmt = STYLE_SINGLE; break;
@@ -714,6 +730,9 @@ extern int ls_main(int argc, char **argv)
                         case 't': sort_opts= SORT_MTIME; break;
                         case 'u': time_fmt = TIME_ACCESS; sort_opts= SORT_ATIME; break;
 #endif
+#ifdef BB_FEATURE_LS_FOLLOWLINKS
+                        case 'L': follow_links= TRUE; break;
+#endif
 #ifdef BB_FEATURE_AUTOWIDTH
                         case 'T': tabstops= atoi(optarg); break;
                         case 'w': terminal_width= atoi(optarg); break;