*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
-
/* findutils-4.1.20:
*
* # find file.txt -exec 'echo {}' '{} {}' ';'
* find: echo file.txt: No such file or directory
* # find file.txt -exec 'echo' '{} {}' '; '
- * find: missing argument to `-exec'
+ * find: missing argument to '-exec'
* # find file.txt -exec 'echo {}' '{} {}' ';' junk
* find: paths must precede expression
* # find file.txt -exec 'echo {}' '{} {}' ';' junk ';'
* # find t z t z '(' -name '*t*' -o -name '*z*' ')' -o -print
* (no output)
*/
-
/* Testing script
* ./busybox find "$@" | tee /tmp/bb_find
* echo ==================
* echo ==================
* diff -u /tmp/std_find /tmp/bb_find && echo Identical
*/
-
//config:config FIND
-//config: bool "find"
+//config: bool "find (14 kb)"
//config: default y
//config: help
-//config: find is used to search your system to find specified files.
+//config: find is used to search your system to find specified files.
//config:
//config:config FEATURE_FIND_PRINT0
//config: bool "Enable -print0: NUL-terminated output"
//config: default y
//config: depends on FIND
//config: help
-//config: Causes output names to be separated by a NUL character
-//config: rather than a newline. This allows names that contain
-//config: newlines and other whitespace to be more easily
-//config: interpreted by other programs.
+//config: Causes output names to be separated by a NUL character
+//config: rather than a newline. This allows names that contain
+//config: newlines and other whitespace to be more easily
+//config: interpreted by other programs.
//config:
//config:config FEATURE_FIND_MTIME
//config: bool "Enable -mtime: modified time matching"
//config: default y
//config: depends on FIND
//config: help
-//config: Allow searching based on the modification time of
-//config: files, in days.
+//config: Allow searching based on the modification time of
+//config: files, in days.
//config:
//config:config FEATURE_FIND_MMIN
//config: bool "Enable -mmin: modified time matching by minutes"
//config: default y
//config: depends on FIND
//config: help
-//config: Allow searching based on the modification time of
-//config: files, in minutes.
+//config: Allow searching based on the modification time of
+//config: files, in minutes.
//config:
//config:config FEATURE_FIND_PERM
//config: bool "Enable -perm: permissions matching"
//config: default y
//config: depends on FIND
-//config: help
-//config: Enable searching based on file permissions.
//config:
//config:config FEATURE_FIND_TYPE
//config: bool "Enable -type: file type matching (file/dir/link/...)"
//config: default y
//config: depends on FIND
//config: help
-//config: Enable searching based on file type (file,
-//config: directory, socket, device, etc.).
+//config: Enable searching based on file type (file,
+//config: directory, socket, device, etc.).
+//config:
+//config:config FEATURE_FIND_EXECUTABLE
+//config: bool "Enable -executable: file is executable"
+//config: default y
+//config: depends on FIND
//config:
//config:config FEATURE_FIND_XDEV
//config: bool "Enable -xdev: 'stay in filesystem'"
//config: default y
//config: depends on FIND
-//config: help
-//config: This option allows find to restrict searches to a single filesystem.
//config:
//config:config FEATURE_FIND_MAXDEPTH
//config: bool "Enable -mindepth N and -maxdepth N"
//config: default y
//config: depends on FIND
-//config: help
-//config: This option enables -mindepth N and -maxdepth N option.
//config:
//config:config FEATURE_FIND_NEWER
//config: bool "Enable -newer: compare file modification times"
//config: default y
//config: depends on FIND
//config: help
-//config: Support the 'find -newer' option for finding any files which have
-//config: modification time that is more recent than the specified FILE.
+//config: Support the 'find -newer' option for finding any files which have
+//config: modification time that is more recent than the specified FILE.
//config:
//config:config FEATURE_FIND_INUM
//config: bool "Enable -inum: inode number matching"
//config: default y
//config: depends on FIND
-//config: help
-//config: Support the 'find -inum' option for searching by inode number.
//config:
//config:config FEATURE_FIND_EXEC
//config: bool "Enable -exec: execute commands"
//config: default y
//config: depends on FIND
//config: help
-//config: Support the 'find -exec' option for executing commands based upon
-//config: the files matched.
+//config: Support the 'find -exec' option for executing commands based upon
+//config: the files matched.
//config:
//config:config FEATURE_FIND_EXEC_PLUS
//config: bool "Enable -exec ... {} +"
//config: default y
//config: depends on FEATURE_FIND_EXEC
//config: help
-//config: Support the 'find -exec ... {} +' option for executing commands
-//config: for all matched files at once.
-//config: Without this option, -exec + is a synonym for -exec ;
-//config: (IOW: it works correctly, but without expected speedup)
+//config: Support the 'find -exec ... {} +' option for executing commands
+//config: for all matched files at once.
+//config: Without this option, -exec + is a synonym for -exec ;
+//config: (IOW: it works correctly, but without expected speedup)
//config:
//config:config FEATURE_FIND_USER
//config: bool "Enable -user: username/uid matching"
//config: default y
//config: depends on FIND
-//config: help
-//config: Support the 'find -user' option for searching by username or uid.
//config:
//config:config FEATURE_FIND_GROUP
//config: bool "Enable -group: group/gid matching"
//config: default y
//config: depends on FIND
-//config: help
-//config: Support the 'find -group' option for searching by group name or gid.
//config:
//config:config FEATURE_FIND_NOT
//config: bool "Enable the 'not' (!) operator"
//config: default y
//config: depends on FIND
//config: help
-//config: Support the '!' operator to invert the test results.
-//config: If 'Enable full-blown desktop' is enabled, then will also support
-//config: the non-POSIX notation '-not'.
+//config: Support the '!' operator to invert the test results.
+//config: If 'Enable full-blown desktop' is enabled, then will also support
+//config: the non-POSIX notation '-not'.
//config:
//config:config FEATURE_FIND_DEPTH
//config: bool "Enable -depth"
//config: default y
//config: depends on FIND
//config: help
-//config: Process each directory's contents before the directory itself.
+//config: Process each directory's contents before the directory itself.
//config:
//config:config FEATURE_FIND_PAREN
//config: bool "Enable parens in options"
//config: default y
//config: depends on FIND
//config: help
-//config: Enable usage of parens '(' to specify logical order of arguments.
+//config: Enable usage of parens '(' to specify logical order of arguments.
//config:
//config:config FEATURE_FIND_SIZE
//config: bool "Enable -size: file size matching"
//config: default y
//config: depends on FIND
-//config: help
-//config: Support the 'find -size' option for searching by file size.
//config:
//config:config FEATURE_FIND_PRUNE
//config: bool "Enable -prune: exclude subdirectories"
//config: default y
//config: depends on FIND
//config: help
-//config: If the file is a directory, dont descend into it. Useful for
-//config: exclusion .svn and CVS directories.
+//config: If the file is a directory, don't descend into it. Useful for
+//config: exclusion .svn and CVS directories.
+//config:
+//config:config FEATURE_FIND_QUIT
+//config: bool "Enable -quit: exit"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: If this action is reached, 'find' exits.
//config:
//config:config FEATURE_FIND_DELETE
//config: bool "Enable -delete: delete files/dirs"
//config: default y
//config: depends on FIND && FEATURE_FIND_DEPTH
//config: help
-//config: Support the 'find -delete' option for deleting files and directories.
-//config: WARNING: This option can do much harm if used wrong. Busybox will not
-//config: try to protect the user from doing stupid things. Use with care.
+//config: Support the 'find -delete' option for deleting files and directories.
+//config: WARNING: This option can do much harm if used wrong. Busybox will not
+//config: try to protect the user from doing stupid things. Use with care.
+//config:
+//config:config FEATURE_FIND_EMPTY
+//config: bool "Enable -empty: match empty files or directories"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Support the 'find -empty' option to find empty regular files
+//config: or directories.
//config:
//config:config FEATURE_FIND_PATH
//config: bool "Enable -path: match pathname with shell pattern"
//config: default y
//config: depends on FIND
//config: help
-//config: The -path option matches whole pathname instead of just filename.
+//config: The -path option matches whole pathname instead of just filename.
//config:
//config:config FEATURE_FIND_REGEX
//config: bool "Enable -regex: match pathname with regex"
//config: default y
//config: depends on FIND
//config: help
-//config: The -regex option matches whole pathname against regular expression.
+//config: The -regex option matches whole pathname against regular expression.
//config:
//config:config FEATURE_FIND_CONTEXT
//config: bool "Enable -context: security context matching"
//config: default n
//config: depends on FIND && SELINUX
//config: help
-//config: Support the 'find -context' option for matching security context.
+//config: Support the 'find -context' option for matching security context.
//config:
//config:config FEATURE_FIND_LINKS
//config: bool "Enable -links: link count matching"
//config: default y
//config: depends on FIND
//config: help
-//config: Support the 'find -links' option for matching number of links.
+//config: Support the 'find -links' option for matching number of links.
//applet:IF_FIND(APPLET_NOEXEC(find, find, BB_DIR_USR_BIN, BB_SUID_DROP, find))
//usage: "\n -regex PATTERN Match path to regex PATTERN"
//usage: )
//usage: IF_FEATURE_FIND_TYPE(
-//usage: "\n -type X File type is X (one of: f,d,l,b,c,...)"
+//usage: "\n -type X File type is X (one of: f,d,l,b,c,s,p)"
+//usage: )
+//usage: IF_FEATURE_FIND_EXECUTABLE(
+//usage: "\n -executable File is executable"
//usage: )
//usage: IF_FEATURE_FIND_PERM(
//usage: "\n -perm MASK At least one mask bit (+MASK), all bits (-MASK),"
//usage: IF_FEATURE_FIND_CONTEXT(
//usage: "\n -context CTX File has specified security context"
//usage: )
+//usage: IF_FEATURE_FIND_EMPTY(
+//usage: "\n -empty Match empty file/directory"
+//usage: )
//usage: IF_FEATURE_FIND_PRUNE(
//usage: "\n -prune If current file is directory, don't descend into it"
//usage: )
//usage: IF_FEATURE_FIND_DELETE(
//usage: "\n -delete Delete current file/directory. Turns on -depth option"
//usage: )
+//usage: IF_FEATURE_FIND_QUIT(
+//usage: "\n -quit Exit"
+//usage: )
//usage:
//usage:#define find_example_usage
//usage: "$ find / -name passwd\n"
IF_FEATURE_FIND_REGEX( ACTS(regex, regex_t compiled_pattern;))
IF_FEATURE_FIND_PRINT0( ACTS(print0))
IF_FEATURE_FIND_TYPE( ACTS(type, int type_mask;))
+IF_FEATURE_FIND_EXECUTABLE(ACTS(executable))
IF_FEATURE_FIND_PERM( ACTS(perm, char perm_char; mode_t perm_mask;))
IF_FEATURE_FIND_MTIME( ACTS(mtime, char mtime_char; unsigned mtime_days;))
IF_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; unsigned mmin_mins;))
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_QUIT( ACTS(quit))
IF_FEATURE_FIND_DELETE( ACTS(delete))
+IF_FEATURE_FIND_EMPTY( ACTS(empty))
IF_FEATURE_FIND_EXEC( ACTS(exec,
char **exec_argv; /* -exec ARGS */
unsigned *subst_count;
action ***actions;
smallint need_print;
smallint xdev_on;
+ smalluint exitstatus;
recurse_flags_t recurse_flags;
IF_FEATURE_FIND_EXEC_PLUS(unsigned max_argv_len;)
} FIX_ALIASING;
#define G (*(struct globals*)bb_common_bufsiz1)
#define INIT_G() do { \
+ setup_common_bufsiz(); \
BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \
/* we have to zero it out because of NOEXEC */ \
memset(&G, 0, sizeof(G)); \
ACTF(name)
{
+ int r;
const char *tmp = bb_basename(fileName);
- if (tmp != fileName && *tmp == '\0') {
- /* "foo/bar/". Oh no... go back to 'b' */
- tmp--;
- while (tmp != fileName && *--tmp != '/')
- continue;
- if (*tmp == '/')
- tmp++;
+ /* GNU findutils: find DIR/ -name DIR
+ * prints "DIR/" (DIR// prints "DIR//" etc).
+ * Need to strip trailing "/".
+ * Such names can come only from top-level names, but
+ * we can't do this before recursive_action() call,
+ * since then "find FILE/ -name FILE"
+ * would also work (on non-directories), which is wrong.
+ */
+ char *trunc_slash = NULL;
+
+ if (*tmp == '\0') {
+ /* "foo/bar/[//...]" */
+ while (tmp != fileName && tmp[-1] == '/')
+ tmp--;
+ if (tmp == fileName) { /* entire fileName is "//.."? */
+ /* yes, convert "//..." to "/"
+ * Testcases:
+ * find / -maxdepth 1 -name /: prints /
+ * find // -maxdepth 1 -name /: prints //
+ * find / -maxdepth 1 -name //: prints nothing
+ * find // -maxdepth 1 -name //: prints nothing
+ */
+ if (tmp[1])
+ trunc_slash = (char*)tmp + 1;
+ } else {
+ /* no, it's "foo/bar/[//...]", go back to 'b' */
+ trunc_slash = (char*)tmp;
+ while (tmp != fileName && tmp[-1] != '/')
+ tmp--;
+ }
}
+
/* Was using FNM_PERIOD flag too,
* but somewhere between 4.1.20 and 4.4.0 GNU find stopped using it.
* find -name '*foo' should match .foo too:
*/
+ if (trunc_slash) *trunc_slash = '\0';
#if FNM_CASEFOLD
- return fnmatch(ap->pattern, tmp, (ap->iname ? FNM_CASEFOLD : 0)) == 0;
+ r = fnmatch(ap->pattern, tmp, (ap->iname ? FNM_CASEFOLD : 0));
#else
if (ap->iname)
tmp = strcpy_upcase(alloca(strlen(tmp) + 1), tmp);
- return fnmatch(ap->pattern, tmp, 0) == 0;
+ r = fnmatch(ap->pattern, tmp, 0);
#endif
+ if (trunc_slash) *trunc_slash = '/';
+ return r == 0;
}
#if ENABLE_FEATURE_FIND_PATH
return ((statbuf->st_mode & S_IFMT) == ap->type_mask);
}
#endif
+#if ENABLE_FEATURE_FIND_EXECUTABLE
+ACTF(executable)
+{
+ return access(fileName, X_OK) == 0;
+}
+#endif
#if ENABLE_FEATURE_FIND_PERM
ACTF(perm)
{
return SKIP + TRUE;
}
#endif
+#if ENABLE_FEATURE_FIND_QUIT
+ACTF(quit)
+{
+ exit(G.exitstatus);
+}
+#endif
#if ENABLE_FEATURE_FIND_DELETE
ACTF(delete)
{
return TRUE;
}
#endif
+#if ENABLE_FEATURE_FIND_EMPTY
+ACTF(empty)
+{
+ if (S_ISDIR(statbuf->st_mode)) {
+ DIR *dir;
+ struct dirent *dent;
+
+ dir = opendir(fileName);
+ if (!dir) {
+ bb_simple_perror_msg(fileName);
+ return FALSE;
+ }
+
+ while ((dent = readdir(dir)) != NULL
+ && DOT_OR_DOTDOT(dent->d_name)
+ ) {
+ continue;
+ }
+ closedir(dir);
+ return dent == NULL;
+ }
+ return S_ISREG(statbuf->st_mode) && statbuf->st_size == 0;
+}
+#endif
#if ENABLE_FEATURE_FIND_CONTEXT
ACTF(context)
{
PARM_print ,
IF_FEATURE_FIND_PRINT0( PARM_print0 ,)
IF_FEATURE_FIND_PRUNE( PARM_prune ,)
+ IF_FEATURE_FIND_QUIT( PARM_quit ,)
IF_FEATURE_FIND_DELETE( PARM_delete ,)
+ IF_FEATURE_FIND_EMPTY( PARM_empty ,)
IF_FEATURE_FIND_EXEC( PARM_exec ,)
+ IF_FEATURE_FIND_EXECUTABLE(PARM_executable,)
IF_FEATURE_FIND_PAREN( PARM_char_brace,)
/* All options/actions starting from here require argument */
PARM_name ,
"-print\0"
IF_FEATURE_FIND_PRINT0( "-print0\0" )
IF_FEATURE_FIND_PRUNE( "-prune\0" )
+ IF_FEATURE_FIND_QUIT( "-quit\0" )
IF_FEATURE_FIND_DELETE( "-delete\0" )
+ IF_FEATURE_FIND_EMPTY( "-empty\0" )
IF_FEATURE_FIND_EXEC( "-exec\0" )
+ IF_FEATURE_FIND_EXECUTABLE("-executable\0")
IF_FEATURE_FIND_PAREN( "(\0" )
/* All options/actions starting from here require argument */
"-name\0"
(void) ALLOC_ACTION(prune);
}
#endif
+#if ENABLE_FEATURE_FIND_QUIT
+ else if (parm == PARM_quit) {
+ dbg("%d", __LINE__);
+ (void) ALLOC_ACTION(quit);
+ }
+#endif
#if ENABLE_FEATURE_FIND_DELETE
else if (parm == PARM_delete) {
dbg("%d", __LINE__);
(void) ALLOC_ACTION(delete);
}
#endif
+#if ENABLE_FEATURE_FIND_EMPTY
+ else if (parm == PARM_empty) {
+ dbg("%d", __LINE__);
+ (void) ALLOC_ACTION(empty);
+ }
+#endif
#if ENABLE_FEATURE_FIND_EXEC
else if (parm == PARM_exec) {
int i;
* coreutils expects {} to appear only once in "-exec +"
*/
if (all_subst != 1 && ap->filelist)
- bb_error_msg_and_die("only one '{}' allowed for -exec +");
+ bb_simple_error_msg_and_die("only one '{}' allowed for -exec +");
# endif
}
#endif
endarg = argv;
while (1) {
if (!*++endarg)
- bb_error_msg_and_die("unpaired '('");
+ bb_simple_error_msg_and_die("unpaired '('");
if (LONE_CHAR(*endarg, '('))
nested++;
else if (LONE_CHAR(*endarg, ')') && !--nested) {
dbg("created:type mask:%x", ap->type_mask);
}
#endif
+#if ENABLE_FEATURE_FIND_EXECUTABLE
+ else if (parm == PARM_executable) {
+ (void) ALLOC_ACTION(executable);
+ }
+#endif
#if ENABLE_FEATURE_FIND_PERM
/* -perm BITS File's mode bits are exactly BITS (octal or symbolic).
* Symbolic modes use mode 0 as a point of departure.
int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int find_main(int argc UNUSED_PARAM, char **argv)
{
- int i, firstopt, status = EXIT_SUCCESS;
+ int i, firstopt;
char **past_HLP, *saved;
INIT_G();
break;
if (!saved[1])
break; /* it is "-" */
+ if (saved[1] == '-' && !saved[2]) {
+ /* it is "--" */
+ /* Try: find -- /dev/null */
+ saved = *++past_HLP;
+ break;
+ }
if ((saved+1)[strspn(saved+1, "HLP")] != '\0')
break;
}
NULL, /* user data */
0) /* depth */
) {
- status |= EXIT_FAILURE;
+ G.exitstatus |= EXIT_FAILURE;
}
}
- IF_FEATURE_FIND_EXEC_PLUS(status |= flush_exec_plus();)
- return status;
+ IF_FEATURE_FIND_EXEC_PLUS(G.exitstatus |= flush_exec_plus();)
+ return G.exitstatus;
}
projects / oweals / busybox.git / blobdiff