Support tar -C, per bug #1176

 -Erik

1 files changed, 12 insertions, 2 deletions

diff --git a/archival/tar.c b/archival/tar.c
index 8dec4349d..55fb12c2c 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -151,6 +151,7 @@ extern int tar_main(int argc, char **argv)
         char** excludeList=NULL;
         char** extractList=NULL;
         const char *tarName="-";
+        const char *cwd=NULL;
 #if defined BB_FEATURE_TAR_EXCLUDE
         int excludeListSize=0;
         FILE *fileList;
@@ -181,9 +182,9 @@ extern int tar_main(int argc, char **argv)
 
         while (
 #ifndef BB_FEATURE_TAR_EXCLUDE
-                        (opt = getopt(argc, argv, "cxtzvOf:p"))
+                        (opt = getopt(argc, argv, "cxtzvOf:pC:"))
 #else
-                        (opt = getopt_long(argc, argv, "cxtzvOf:X:p", longopts, NULL))
+                        (opt = getopt_long(argc, argv, "cxtzvOf:X:pC:", longopts, NULL))
 #endif
                         > 0) {
                 switch (opt) {
@@ -240,6 +241,13 @@ extern int tar_main(int argc, char **argv)
 #endif
                         case 'p':
                                 break;
+                        case 'C':
+                                cwd = xgetcwd((char *)cwd);
+                                if (chdir(optarg)) {
+                                        printf("cd: %s: %s\n", optarg, strerror(errno));
+                                        return EXIT_FAILURE;
+                                }
+                                break;
                         default:
                                         show_usage();
                 }
@@ -292,6 +300,8 @@ extern int tar_main(int argc, char **argv)
 #endif                  
         }
 
+        if (cwd)
+                chdir(cwd);
         if (status == TRUE)
                 return EXIT_SUCCESS;
         else