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find: un-DESKTOPize (Kai Schwenzfeier <niteblade@gmx.net>)

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find: -group, -depth (Natanael Copa <natanael.copa@gmail.com>)
find: make constant array static, declare PARM_xx constants with enum
This commit is contained in:
Denis Vlasenko 2007-04-04 23:41:35 +00:00
parent febe3c4211
commit 56fce00fc7
3 changed files with 158 additions and 116 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
findutils/Config.in
View File

@ -90,14 +90,50 @@ config FEATURE_FIND_USER
help
Support the 'find -user' option for searching by username or uid.
config FEATURE_FIND_GROUP
bool "Enable group/gid matching (-group) option"
default y
depends on FIND
help
Support the 'find -group' option for searching by group name or gid.
config FEATURE_FIND_NOT
bool "Enable the 'not' (!) operator"
default y
depends on FIND
help
Support the '!' operator to invert the test results. If 'Enable
full-blown desktop' is enabled, then will also support the
non-POSIX notation '-not'.
Support the '!' operator to invert the test results.
If 'Enable full-blown desktop' is enabled, then will also support
the non-POSIX notation '-not'.
config FEATURE_FIND_DEPTH
bool "Enable the -depth option"
default y
depends on FIND
help
Process each directory's contents before the directory itself.
config FEATURE_FIND_PAREN
bool "Enable parens in options"
default y
depends on FIND
help
Enable usage of parens '(' to specify logical order of arguments.
config FEATURE_FIND_SIZE
bool "Enable (-size) option allowing matching for file size"
default y
depends on FIND
help
Support the 'find -size' option for searching by file size.
config FEATURE_FIND_PRUNE
bool "Enable (-prune) option allowing to exclude subdirectories"
default y
depends on FIND
help
If the file is a directory, dont descend into it. Useful for
exclusion .svn and CVS directories.
config GREP
bool "grep"

228
findutils/find.c
View File

@ -71,14 +71,15 @@ USE_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; unsigned mmin_mins;))
USE_FEATURE_FIND_NEWER( ACTS(newer, time_t newer_mtime;))
USE_FEATURE_FIND_INUM( ACTS(inum, ino_t inode_num;))
USE_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned int *subst_count; int exec_argc;))
USE_FEATURE_FIND_USER( ACTS(user, int uid;))
USE_DESKTOP( ACTS(paren, action ***subexpr;))
USE_DESKTOP( ACTS(size, off_t size;))
USE_DESKTOP( ACTS(prune))
USE_FEATURE_FIND_USER( ACTS(user, uid_t uid;))
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))
static action ***actions;
static bool need_print = 1;
static int recurse_flags = action_recurse;
#if ENABLE_FEATURE_FIND_EXEC
static unsigned int count_subst(const char *str)
@ -231,6 +232,13 @@ ACTF(user)
}
#endif
#if ENABLE_FEATURE_FIND_GROUP
ACTF(group)
{
return (statbuf->st_gid == ap->gid);
}
#endif
#if ENABLE_FEATURE_FIND_PRINT0
ACTF(print0)
{
@ -245,12 +253,14 @@ ACTF(print)
return TRUE;
}
#if ENABLE_DESKTOP
#if ENABLE_FEATURE_FIND_PAREN
ACTF(paren)
{
return exec_actions(ap->subexpr, fileName, statbuf);
}
#endif
#if ENABLE_FEATURE_FIND_SIZE
/*
* -prune: if -depth is not given, return true and do not descend
* current dir; if -depth is given, return false with no effect.
@ -261,7 +271,9 @@ ACTF(prune)
{
return SKIP;
}
#endif
#if ENABLE_FEATURE_FIND_PRUNE
ACTF(size)
{
return statbuf->st_size == ap->size;
@ -327,81 +339,69 @@ static const char* plus_minus_num(const char* str)
}
#endif
#define PARM_a 0
#define PARM_o 1
#define PARM_char_not (PARM_o + ENABLE_FEATURE_FIND_NOT)
#define PARM_print (PARM_char_not + 1)
#define PARM_print0 (PARM_print + ENABLE_FEATURE_FIND_PRINT0)
#define PARM_name (PARM_print0 + 1)
#define PARM_type (PARM_name + ENABLE_FEATURE_FIND_TYPE)
#define PARM_perm (PARM_type + ENABLE_FEATURE_FIND_PERM)
#define PARM_mtime (PARM_perm + ENABLE_FEATURE_FIND_MTIME)
#define PARM_mmin (PARM_mtime + ENABLE_FEATURE_FIND_MMIN)
#define PARM_newer (PARM_mmin + ENABLE_FEATURE_FIND_NEWER)
#define PARM_inum (PARM_newer + ENABLE_FEATURE_FIND_INUM)
#define PARM_exec (PARM_inum + ENABLE_FEATURE_FIND_EXEC)
#define PARM_user (PARM_exec + ENABLE_FEATURE_FIND_USER)
#if ENABLE_DESKTOP
#define PARM_and (PARM_user + 1)
#define PARM_or (PARM_and + 1)
#define PARM_not (PARM_or + ENABLE_FEATURE_FIND_NOT)
#define PARM_char_brace (PARM_not + 1)
#define PARM_prune (PARM_char_brace + 1)
#define PARM_size (PARM_prune + 1)
#endif
static action*** parse_params(char **argv)
{
enum {
PARM_a ,
PARM_o ,
USE_FEATURE_FIND_NOT( PARM_char_not ,)
PARM_print ,
USE_FEATURE_FIND_PRINT0(PARM_print0 ,)
PARM_name ,
USE_FEATURE_FIND_TYPE( PARM_type ,)
USE_FEATURE_FIND_PERM( PARM_perm ,)
USE_FEATURE_FIND_MTIME( PARM_mtime ,)
USE_FEATURE_FIND_MMIN( PARM_mmin ,)
USE_FEATURE_FIND_NEWER( PARM_newer ,)
USE_FEATURE_FIND_INUM( PARM_inum ,)
USE_FEATURE_FIND_EXEC( PARM_exec ,)
USE_FEATURE_FIND_USER( PARM_user ,)
USE_FEATURE_FIND_GROUP( PARM_group ,)
USE_FEATURE_FIND_DEPTH( PARM_depth ,)
USE_FEATURE_FIND_PAREN( PARM_char_brace,)
USE_FEATURE_FIND_SIZE( PARM_prune ,)
USE_FEATURE_FIND_PRUNE( PARM_size ,)
#if ENABLE_DESKTOP
PARM_and ,
PARM_or ,
USE_FEATURE_FIND_NOT( PARM_not ,)
#endif
};
static const char *const params[] = {
"-a" ,
"-o" ,
USE_FEATURE_FIND_NOT( "!" ,)
"-print" ,
USE_FEATURE_FIND_PRINT0("-print0",)
"-name" ,
USE_FEATURE_FIND_TYPE( "-type" ,)
USE_FEATURE_FIND_PERM( "-perm" ,)
USE_FEATURE_FIND_MTIME( "-mtime" ,)
USE_FEATURE_FIND_MMIN( "-mmin" ,)
USE_FEATURE_FIND_NEWER( "-newer" ,)
USE_FEATURE_FIND_INUM( "-inum" ,)
USE_FEATURE_FIND_EXEC( "-exec" ,)
USE_FEATURE_FIND_USER( "-user" ,)
USE_FEATURE_FIND_GROUP( "-group" ,)
USE_FEATURE_FIND_DEPTH( "-depth" ,)
USE_FEATURE_FIND_PAREN( "(" ,)
USE_FEATURE_FIND_SIZE( "-prune" ,)
USE_FEATURE_FIND_PRUNE( "-size" ,)
#if ENABLE_DESKTOP
"-and" ,
"-or" ,
USE_FEATURE_FIND_NOT( "-not" ,)
#endif
NULL
};
action*** appp;
unsigned cur_group = 0;
unsigned cur_action = 0;
USE_FEATURE_FIND_NOT( bool invert_flag = 0; )
const char * const params[] = {
"-a",
"-o",
#if ENABLE_FEATURE_FIND_NOT
"!",
#endif
"-print",
#if ENABLE_FEATURE_FIND_PRINT0
"-print0",
#endif
"-name",
#if ENABLE_FEATURE_FIND_TYPE
"-type",
#endif
#if ENABLE_FEATURE_FIND_PERM
"-perm",
#endif
#if ENABLE_FEATURE_FIND_MTIME
"-mtime",
#endif
#if ENABLE_FEATURE_FIND_MMIN
"-mmin",
#endif
#if ENABLE_FEATURE_FIND_NEWER
"-newer",
#endif
#if ENABLE_FEATURE_FIND_INUM
"-inum",
#endif
#if ENABLE_FEATURE_FIND_EXEC
"-exec",
#endif
#if ENABLE_FEATURE_FIND_USER
"-user",
#endif
#if ENABLE_DESKTOP
"-and",
"-or",
# if ENABLE_FEATURE_FIND_NOT
"-not",
# endif
"(",
"-prune",
"-size",
#endif
NULL
};
/* 'static' doesn't work here! (gcc 4.1.2) */
action* alloc_action(int sizeof_struct, action_fp f)
{
action *ap;
@ -413,6 +413,7 @@ static action*** parse_params(char **argv)
USE_FEATURE_FIND_NOT( invert_flag = 0; )
return ap;
}
#define ALLOC_ACTION(name) (action_##name*)alloc_action(sizeof(action_##name), (action_fp) func_##name)
appp = xzalloc(2 * sizeof(appp[0])); /* appp[0],[1] == NULL */
@ -436,12 +437,10 @@ static action*** parse_params(char **argv)
const char *arg1 = argv[1];
int parm = index_in_str_array(params, arg);
/* --- Operators --- */
if (parm == PARM_a USE_DESKTOP(|| parm == PARM_and))
{
if (parm == PARM_a USE_DESKTOP(|| parm == PARM_and)) {
/* no further special handling required */
}
else if (parm == PARM_o USE_DESKTOP(|| parm == PARM_or))
{
else if (parm == PARM_o USE_DESKTOP(|| parm == PARM_or)) {
/* start new OR group */
cur_group++;
appp = xrealloc(appp, (cur_group+2) * sizeof(*appp));
@ -450,31 +449,27 @@ static action*** parse_params(char **argv)
cur_action = 0;
}
#if ENABLE_FEATURE_FIND_NOT
else if (parm == PARM_char_not USE_DESKTOP(|| parm == PARM_not))
{
else if (parm == PARM_char_not USE_DESKTOP(|| parm == PARM_not)) {
/* also handles "find ! ! -name 'foo*'" */
invert_flag ^= 1;
}
#endif
/* --- Tests and actions --- */
else if (parm == PARM_print)
{
else if (parm == PARM_print) {
need_print = 0;
/* GNU find ignores '!' here: "find ! -print" */
USE_FEATURE_FIND_NOT( invert_flag = 0; )
(void) ALLOC_ACTION(print);
}
#if ENABLE_FEATURE_FIND_PRINT0
else if (parm == PARM_print0)
{
else if (parm == PARM_print0) {
need_print = 0;
USE_FEATURE_FIND_NOT( invert_flag = 0; )
(void) ALLOC_ACTION(print0);
}
#endif
else if (parm == PARM_name)
{
else if (parm == PARM_name) {
action_name *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -482,8 +477,7 @@ static action*** parse_params(char **argv)
ap->pattern = arg1;
}
#if ENABLE_FEATURE_FIND_TYPE
else if (parm == PARM_type)
{
else if (parm == PARM_type) {
action_type *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -498,8 +492,7 @@ static action*** parse_params(char **argv)
* -perm -mode All of the permission bits mode are set for the file.
* -perm +mode Any of the permission bits mode are set for the file.
*/
else if (parm == PARM_perm)
{
else if (parm == PARM_perm) {
action_perm *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -512,8 +505,7 @@ static action*** parse_params(char **argv)
}
#endif
#if ENABLE_FEATURE_FIND_MTIME
else if (parm == PARM_mtime)
{
else if (parm == PARM_mtime) {
action_mtime *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -523,8 +515,7 @@ static action*** parse_params(char **argv)
}
#endif
#if ENABLE_FEATURE_FIND_MMIN
else if (parm == PARM_mmin)
{
else if (parm == PARM_mmin) {
action_mmin *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -534,8 +525,7 @@ static action*** parse_params(char **argv)
}
#endif
#if ENABLE_FEATURE_FIND_NEWER
else if (parm == PARM_newer)
{
else if (parm == PARM_newer) {
action_newer *ap;
struct stat stat_newer;
if (!*++argv)
@ -546,8 +536,7 @@ static action*** parse_params(char **argv)
}
#endif
#if ENABLE_FEATURE_FIND_INUM
else if (parm == PARM_inum)
{
else if (parm == PARM_inum) {
action_inum *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -556,8 +545,7 @@ static action*** parse_params(char **argv)
}
#endif
#if ENABLE_FEATURE_FIND_EXEC
else if (parm == PARM_exec)
{
else if (parm == PARM_exec) {
int i;
action_exec *ap;
need_print = 0;
@ -582,8 +570,7 @@ static action*** parse_params(char **argv)
}
#endif
#if ENABLE_FEATURE_FIND_USER
else if (parm == PARM_user)
{
else if (parm == PARM_user) {
action_user *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -593,9 +580,24 @@ static action*** parse_params(char **argv)
ap->uid = xuname2uid(arg1);
}
#endif
#if ENABLE_DESKTOP
else if (parm == PARM_char_brace)
{
#if ENABLE_FEATURE_FIND_GROUP
else if (parm == PARM_group) {
action_group *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
ap = ALLOC_ACTION(group);
ap->gid = bb_strtou(arg1, NULL, 10);
if (errno)
ap->gid = xgroup2gid(arg1);
}
#endif
#if ENABLE_FEATURE_FIND_DEPTH
else if (parm == PARM_depth) {
recurse_flags |= action_depthFirst;
}
#endif
#if ENABLE_FEATURE_FIND_PAREN
else if (parm == PARM_char_brace) {
action_paren *ap;
char **endarg;
unsigned nested = 1;
@ -616,13 +618,15 @@ static action*** parse_params(char **argv)
*endarg = (char*) ")"; /* restore NULLed parameter */
argv = endarg;
}
else if (parm == PARM_prune)
{
#endif
#if ENABLE_FEATURE_FIND_PRUNE
else if (parm == PARM_prune) {
USE_FEATURE_FIND_NOT( invert_flag = 0; )
(void) ALLOC_ACTION(prune);
}
else if (parm == PARM_size)
{
#endif
#if ENABLE_FEATURE_FIND_SIZE
else if (parm == PARM_size) {
action_size *ap;
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
@ -657,7 +661,7 @@ USE_FEATURE_FIND_XDEV( "-xdev", )
break;
if (ENABLE_FEATURE_FIND_NOT && LONE_CHAR(argv[firstopt], '!'))
break;
#if ENABLE_DESKTOP
#if ENABLE_FEATURE_FIND_PAREN
if (LONE_CHAR(argv[firstopt], '('))
break;
#endif
@ -706,7 +710,7 @@ USE_FEATURE_FIND_XDEV( "-xdev", )
for (i = 1; i < firstopt; i++) {
if (!recursive_action(argv[i],
action_recurse|(1<<dereference), /* flags */
recurse_flags|(1<<dereference), /* flags */
fileAction, /* file action */
fileAction, /* dir action */
NULL, /* user data */

4
include/usage.h
View File

@ -958,9 +958,11 @@
) USE_FEATURE_FIND_EXEC( \
"\n -exec CMD Execute CMD with all instances of {} replaced by the" \
"\n files matching EXPRESSION" \
) USE_DESKTOP( \
) USE_FEATURE_FIND_SIZE( \
"\n -size N File size is N" \
) USE_FEATURE_FIND_PRUNE( \
"\n -prune Stop traversing current subtree" \
) USE_FEATURE_FIND_PAREN( \
"\n (expr) Group" \
)