diff -Nur busybox-1.15.2.orig/findutils/Config.in busybox-1.15.2/findutils/Config.in --- busybox-1.15.2.orig/findutils/Config.in 2009-09-26 15:14:57.000000000 +0200 +++ busybox-1.15.2/findutils/Config.in 2009-11-28 12:41:31.000000000 +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: execute commands" default y diff -Nur busybox-1.15.2.orig/findutils/find.c busybox-1.15.2/findutils/find.c --- busybox-1.15.2.orig/findutils/find.c 2009-10-08 03:04:40.000000000 +0200 +++ busybox-1.15.2/findutils/find.c 2009-11-28 12:48:36.000000000 +0100 @@ -93,6 +93,7 @@ IF_FEATURE_FIND_CONTEXT(ACTS(context, security_context_t context;)) IF_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;)) IF_FEATURE_FIND_PRUNE( ACTS(prune)) +IF_FEATURE_FIND_EMPTY( ACTS(empty)) IF_FEATURE_FIND_DELETE( ACTS(delete)) IF_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned *subst_count; int exec_argc;)) IF_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;)) @@ -333,6 +334,34 @@ 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) { @@ -476,6 +505,7 @@ IF_FEATURE_FIND_PRINT0( PARM_print0 ,) IF_FEATURE_FIND_DEPTH( PARM_depth ,) IF_FEATURE_FIND_PRUNE( PARM_prune ,) + IF_FEATURE_FIND_EMPTY( PARM_empty ,) IF_FEATURE_FIND_DELETE( PARM_delete ,) IF_FEATURE_FIND_EXEC( PARM_exec ,) IF_FEATURE_FIND_PAREN( PARM_char_brace,) @@ -509,6 +539,7 @@ IF_FEATURE_FIND_PRINT0( "-print0\0" ) IF_FEATURE_FIND_DEPTH( "-depth\0" ) IF_FEATURE_FIND_PRUNE( "-prune\0" ) + IF_FEATURE_FIND_EMPTY( "-empty\0" ) IF_FEATURE_FIND_DELETE( "-delete\0" ) IF_FEATURE_FIND_EXEC( "-exec\0" ) IF_FEATURE_FIND_PAREN( "(\0" ) @@ -627,6 +658,12 @@ (void) ALLOC_ACTION(prune); } #endif +#if ENABLE_FEATURE_FIND_EMPTY + else if (parm == PARM_empty) { + IF_FEATURE_FIND_NOT( invert_flag = 0; ) + (void) ALLOC_ACTION(empty); + } +#endif #if ENABLE_FEATURE_FIND_DELETE else if (parm == PARM_delete) { G.need_print = 0; diff -Nur busybox-1.15.2.orig/include/usage.h busybox-1.15.2/include/usage.h --- busybox-1.15.2.orig/include/usage.h 2009-10-08 02:59:09.000000000 +0200 +++ busybox-1.15.2/include/usage.h 2009-11-28 12:42:43.000000000 +0100 @@ -1239,6 +1239,8 @@ "\n -group NAME File belongs to group NAME (numeric group ID allowed)") \ IF_FEATURE_FIND_DEPTH( \ "\n -depth Process directory name after traversing it") \ + IF_FEATURE_FIND_EMPTY( \ + "\n -empty File or directory is empty") \ IF_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") \