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diff -Nur busybox-1.12.3/findutils/Config.in busybox-1.12.3-find/findutils/Config.in
--- busybox-1.12.3/findutils/Config.in 2008-09-28 20:04:28.000000000 +0200
+++ busybox-1.12.3-find/findutils/Config.in 2009-01-06 22:24:46.086215240 +0100
@@ -81,6 +81,14 @@
help
Support the 'find -inum' option for searching by inode number.
+config FEATURE_FIND_EMPTY
+ bool "Enable -empty option matching empty files and directories"
+ default y
+ depends on FIND
+ help
+ Support the 'find -empty' option for searching empty files
+ and directories.
+
config FEATURE_FIND_EXEC
bool "Enable -exec option allowing execution of commands"
default y
diff -Nur busybox-1.12.3/findutils/find.c busybox-1.12.3-find/findutils/find.c
--- busybox-1.12.3/findutils/find.c 2008-09-28 20:04:28.000000000 +0200
+++ busybox-1.12.3-find/findutils/find.c 2009-01-06 23:33:53.201386585 +0100
@@ -93,6 +93,7 @@
USE_FEATURE_FIND_CONTEXT(ACTS(context, security_context_t context;))
USE_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;))
USE_FEATURE_FIND_PRUNE( ACTS(prune))
+USE_FEATURE_FIND_EMPTY( ACTS(empty))
USE_FEATURE_FIND_DELETE( ACTS(delete))
USE_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned *subst_count; int exec_argc;))
USE_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
@@ -318,6 +319,34 @@
return exec_actions(ap->subexpr, fileName, statbuf);
}
#endif
+#if ENABLE_FEATURE_FIND_EMPTY
+ACTF(empty)
+{
+ DIR *d;
+ struct dirent *dp;
+ bool empty = TRUE;
+
+ if (S_ISDIR(statbuf->st_mode)) {
+ d = opendir(fileName);
+ if (d == NULL)
+ bb_simple_perror_msg(fileName);
+ for (dp = readdir(d); dp; dp = readdir(d)) {
+ if (dp->d_name[0] != '.' ||
+ (dp->d_name[1] != '\0' &&
+ (dp->d_name[1] != '.' ||
+ dp->d_name[2] != '\0'))) {
+ empty = FALSE;
+ break;
+ }
+ }
+ closedir(d);
+ return(empty);
+ } else if (S_ISREG(statbuf->st_mode))
+ return (statbuf->st_size == 0);
+ else
+ return FALSE;
+}
+#endif
#if ENABLE_FEATURE_FIND_SIZE
ACTF(size)
{
@@ -459,6 +488,7 @@
USE_FEATURE_FIND_PRINT0( PARM_print0 ,)
USE_FEATURE_FIND_DEPTH( PARM_depth ,)
USE_FEATURE_FIND_PRUNE( PARM_prune ,)
+ USE_FEATURE_FIND_EMPTY( PARM_empty ,)
USE_FEATURE_FIND_DELETE( PARM_delete ,)
USE_FEATURE_FIND_EXEC( PARM_exec ,)
USE_FEATURE_FIND_PAREN( PARM_char_brace,)
@@ -492,6 +522,7 @@
USE_FEATURE_FIND_PRINT0( "-print0\0" )
USE_FEATURE_FIND_DEPTH( "-depth\0" )
USE_FEATURE_FIND_PRUNE( "-prune\0" )
+ USE_FEATURE_FIND_EMPTY( "-empty\0" )
USE_FEATURE_FIND_DELETE( "-delete\0" )
USE_FEATURE_FIND_EXEC( "-exec\0" )
USE_FEATURE_FIND_PAREN( "(\0" )
@@ -610,6 +641,12 @@
(void) ALLOC_ACTION(prune);
}
#endif
+#if ENABLE_FEATURE_FIND_EMPTY
+ else if (parm == PARM_empty) {
+ USE_FEATURE_FIND_NOT( invert_flag = 0; )
+ (void) ALLOC_ACTION(empty);
+ }
+#endif
#if ENABLE_FEATURE_FIND_DELETE
else if (parm == PARM_delete) {
need_print = 0;
diff -Nur busybox-1.12.3/include/usage.h busybox-1.12.3-find/include/usage.h
--- busybox-1.12.3/include/usage.h 2008-09-28 20:04:26.000000000 +0200
+++ busybox-1.12.3-find/include/usage.h 2009-01-07 00:07:49.832669156 +0100
@@ -1140,6 +1140,8 @@
"\n -group NAME File belongs to group NAME (numeric group ID allowed)") \
USE_FEATURE_FIND_DEPTH( \
"\n -depth Process directory name after traversing it") \
+ USE_FEATURE_FIND_EMPTY( \
+ "\n -empty File or directory is empty") \
USE_FEATURE_FIND_SIZE( \
"\n -size N[bck] File size is N (c:bytes,k:kbytes,b:512 bytes(def.))." \
"\n +/-N: file size is bigger/smaller than N") \
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