find: add support for -delete, -path (by Natanael Copa)

3 files changed, 64 insertions, 0 deletions

diff --git a/findutils/Config.in b/findutils/Config.in
index 09a5bb3cb..a32e98922 100644
--- a/findutils/Config.in
+++ b/findutils/Config.in
@@ -135,6 +135,22 @@ config FEATURE_FIND_PRUNE
           If the file is a directory, dont descend into it. Useful for
           exclusion .svn and CVS directories.
 
+config FEATURE_FIND_DELETE
+        bool "Enable -delete option allowing to delete files"
+        default n
+        depends on FIND && FEATURE_FIND_DEPTH
+        help
+          Support the 'find -delete' option for deleting files and direcotries.
+          WARNING: This option can do much harm if used wrong. Busybox will not
+          try to protect the user from doing stupid things. Use with care.
+
+config FEATURE_FIND_PATH
+        bool "Enable -path option allowing to match pathname patterns"
+        default y
+        depends on FIND
+        help
+          The -path option matches whole pathnames instead of just filenames.
+
 config GREP
         bool "grep"
         default n
diff --git a/findutils/find.c b/findutils/find.c
index b77d36dc3..aec22a5bc 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -79,6 +79,8 @@ USE_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
 USE_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;))
 USE_FEATURE_FIND_SIZE(  ACTS(size,  off_t size;))
 USE_FEATURE_FIND_PRUNE( ACTS(prune))
+USE_FEATURE_FIND_DELETE(ACTS(delete))
+USE_FEATURE_FIND_PATH(  ACTS(path, const char *pattern;))
 
 static action ***actions;
 static bool need_print = 1;
@@ -305,6 +307,28 @@ ACTF(prune)
 }
 #endif
 
+#if ENABLE_FEATURE_FIND_DELETE
+ACTF(delete)
+{
+        int rc;
+        if (S_ISDIR(statbuf->st_mode)) {
+                rc = rmdir(fileName);
+        } else {
+                rc = unlink(fileName);
+        }
+        if (rc < 0)
+                bb_perror_msg("%s", fileName);
+        return TRUE;
+}
+#endif
+
+#if ENABLE_FEATURE_FIND_PATH
+ACTF(path)
+{
+        return fnmatch(ap->pattern, fileName, 0) == 0;
+}
+#endif
+
 #if ENABLE_FEATURE_FIND_SIZE
 ACTF(size)
 {
@@ -393,6 +417,8 @@ static action*** parse_params(char **argv)
         USE_FEATURE_FIND_PAREN( PARM_char_brace,)
         USE_FEATURE_FIND_SIZE(  PARM_size      ,)
         USE_FEATURE_FIND_PRUNE( PARM_prune     ,)
+        USE_FEATURE_FIND_DELETE(PARM_delete    ,)
+        USE_FEATURE_FIND_PATH(  PARM_path      ,)
 #if ENABLE_DESKTOP
                                 PARM_and       ,
                                 PARM_or        ,
@@ -420,6 +446,8 @@ static action*** parse_params(char **argv)
         USE_FEATURE_FIND_PAREN( "("      ,)
         USE_FEATURE_FIND_SIZE(  "-size"  ,)
         USE_FEATURE_FIND_PRUNE( "-prune" ,)
+        USE_FEATURE_FIND_DELETE("-delete",)
+        USE_FEATURE_FIND_PATH(  "-path"  ,)
 #if ENABLE_DESKTOP
                                 "-and"   ,
                                 "-or"    ,
@@ -656,6 +684,22 @@ static action*** parse_params(char **argv)
                         (void) ALLOC_ACTION(prune);
                 }
 #endif
+#if ENABLE_FEATURE_FIND_DELETE
+                else if (parm == PARM_delete) {
+                        need_print = 0;
+                        recurse_flags |= ACTION_DEPTHFIRST;
+                        (void) ALLOC_ACTION(delete);
+                }
+#endif
+#if ENABLE_FEATURE_FIND_PATH
+                else if (parm == PARM_path) {
+                        action_path *ap;
+                        if (!*++argv)
+                                bb_error_msg_and_die(bb_msg_requires_arg, arg);
+                        ap = ALLOC_ACTION(path);
+                        ap->pattern = arg1;
+                }
+#endif
 #if ENABLE_FEATURE_FIND_SIZE
                 else if (parm == PARM_size) {
                         action_size *ap;
diff --git a/include/usage.h b/include/usage.h
index d196afcbf..2fb8112b0 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -968,6 +968,10 @@
        "\n      -size N         File size is N" \
         ) USE_FEATURE_FIND_PRUNE( \
        "\n      -prune          Stop traversing current subtree" \
+        ) USE_FEATURE_FIND_DELETE( \
+       "\n      -delete         Delete files; Turns on -depth option" \
+        ) USE_FEATURE_FIND_PATH( \
+       "\n      -path           Path matches PATTERN" \
         ) USE_FEATURE_FIND_PAREN( \
        "\n      (EXPR)          Group an expression" \
         )