//kbuild:lib-$(CONFIG_FIND) += find.o
//usage:#define find_trivial_usage
-//usage: "[PATH]... [OPTIONS] [ACTIONS]"
+//usage: "[-HL] [PATH]... [OPTIONS] [ACTIONS]"
//usage:#define find_full_usage "\n\n"
//usage: "Search for files and perform actions on them.\n"
//usage: "First failed action stops processing of current file.\n"
//usage: "Defaults: PATH is current directory, action is '-print'\n"
-//usage: "\n -follow Follow symlinks"
+//usage: "\n -L,-follow Follow symlinks"
+//usage: "\n -H ...on command line only"
//usage: IF_FEATURE_FIND_XDEV(
//usage: "\n -xdev Don't descend directories on other filesystems"
//usage: )
int depth IF_NOT_FEATURE_FIND_MAXDEPTH(UNUSED_PARAM))
{
int r;
+ int same_fs = 1;
+
+#if ENABLE_FEATURE_FIND_XDEV
+ if (S_ISDIR(statbuf->st_mode) && G.xdev_count) {
+ int i;
+ for (i = 0; i < G.xdev_count; i++) {
+ if (G.xdev_dev[i] == statbuf->st_dev)
+ goto found;
+ }
+ //bb_error_msg("'%s': not same fs", fileName);
+ same_fs = 0;
+ found: ;
+ }
+#endif
#if ENABLE_FEATURE_FIND_MAXDEPTH
- if (depth < G.minmaxdepth[0])
- return TRUE; /* skip this, continue recursing */
+ if (depth < G.minmaxdepth[0]) {
+ if (same_fs)
+ return TRUE; /* skip this, continue recursing */
+ return SKIP; /* stop recursing */
+ }
if (depth > G.minmaxdepth[1])
return SKIP; /* stop recursing */
#endif
return SKIP;
}
#endif
-#if ENABLE_FEATURE_FIND_XDEV
/* -xdev stops on mountpoints, but AFTER mountpoit itself
* is processed as usual */
- if (S_ISDIR(statbuf->st_mode)) {
- if (G.xdev_count) {
- int i;
- for (i = 0; i < G.xdev_count; i++) {
- if (G.xdev_dev[i] == statbuf->st_dev)
- goto found;
- }
- return SKIP;
- found: ;
- }
+ if (!same_fs) {
+ return SKIP;
}
-#endif
/* Cannot return 0: our caller, recursive_action(),
* will perror() and skip dirs (if called on dir) */
}
#endif
+/* Say no to GCCism */
+#define USE_NESTED_FUNCTION 0
+
+#if !USE_NESTED_FUNCTION
+struct pp_locals {
+ action*** appp;
+ unsigned cur_group;
+ unsigned cur_action;
+ IF_FEATURE_FIND_NOT( bool invert_flag; )
+};
+static action* alloc_action(struct pp_locals *ppl, int sizeof_struct, action_fp f)
+{
+ action *ap = xzalloc(sizeof_struct);
+ action **app;
+ action ***group = &ppl->appp[ppl->cur_group];
+ *group = app = xrealloc(*group, (ppl->cur_action+2) * sizeof(ppl->appp[0][0]));
+ app[ppl->cur_action++] = ap;
+ app[ppl->cur_action] = NULL;
+ ap->f = f;
+ IF_FEATURE_FIND_NOT( ap->invert = ppl->invert_flag; )
+ IF_FEATURE_FIND_NOT( ppl->invert_flag = 0; )
+ return ap;
+}
+#endif
+
static action*** parse_params(char **argv)
{
enum {
IF_FEATURE_FIND_EXEC( "-exec\0" )
IF_FEATURE_FIND_PAREN( "(\0" )
/* All options/actions starting from here require argument */
- "-name\0"
- "-iname\0"
+ "-name\0"
+ "-iname\0"
IF_FEATURE_FIND_PATH( "-path\0" )
#if ENABLE_DESKTOP
IF_FEATURE_FIND_PATH( "-wholename\0")
IF_FEATURE_FIND_MAXDEPTH("-mindepth\0""-maxdepth\0")
;
+#if !USE_NESTED_FUNCTION
+ struct pp_locals ppl;
+#define appp (ppl.appp )
+#define cur_group (ppl.cur_group )
+#define cur_action (ppl.cur_action )
+#define invert_flag (ppl.invert_flag)
+#define ALLOC_ACTION(name) (action_##name*)alloc_action(&ppl, sizeof(action_##name), (action_fp) func_##name)
+#else
action*** appp;
- unsigned cur_group = 0;
- unsigned cur_action = 0;
- IF_FEATURE_FIND_NOT( bool invert_flag = 0; )
+ unsigned cur_group;
+ unsigned cur_action;
+ IF_FEATURE_FIND_NOT( bool invert_flag; )
/* This is the only place in busybox where we use nested function.
* So far more standard alternatives were bigger. */
action* alloc_action(int sizeof_struct, action_fp f)
{
action *ap;
- appp[cur_group] = xrealloc(appp[cur_group], (cur_action+2) * sizeof(*appp));
+ appp[cur_group] = xrealloc(appp[cur_group], (cur_action+2) * sizeof(appp[0][0]));
appp[cur_group][cur_action++] = ap = xzalloc(sizeof_struct);
appp[cur_group][cur_action] = NULL;
ap->f = f;
IF_FEATURE_FIND_NOT( invert_flag = 0; )
return ap;
}
-
#define ALLOC_ACTION(name) (action_##name*)alloc_action(sizeof(action_##name), (action_fp) func_##name)
+#endif
+ cur_group = 0;
+ cur_action = 0;
+ IF_FEATURE_FIND_NOT( invert_flag = 0; )
appp = xzalloc(2 * sizeof(appp[0])); /* appp[0],[1] == NULL */
while (*argv) {
*/
/* Options */
if (parm == OPT_FOLLOW) {
- dbg("follow enabled: %d", __LINE__);
- G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
+ dbg("follow enabled: %d", __LINE__);
+ G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
}
#if ENABLE_FEATURE_FIND_XDEV
else if (parm == OPT_XDEV) {
dbg("%d", __LINE__);
/* start new OR group */
cur_group++;
- appp = xrealloc(appp, (cur_group+2) * sizeof(*appp));
+ appp = xrealloc(appp, (cur_group+2) * sizeof(appp[0]));
/*appp[cur_group] = NULL; - already NULL */
appp[cur_group+1] = NULL;
cur_action = 0;
dbg("exiting %s", __func__);
return appp;
#undef ALLOC_ACTION
+#undef appp
+#undef cur_action
+#undef invert_flag
}
int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
INIT_G();
- argv++;
+ /* "+": stop on first non-option */
+ i = getopt32(argv, "+HLP");
+ if (i & (1<<0))
+ G.recurse_flags |= ACTION_FOLLOWLINKS_L0 | ACTION_DANGLING_OK;
+ if (i & (1<<1))
+ G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
+ /* -P is default and is ignored */
+ argv += optind;
+
for (firstopt = 0; argv[firstopt]; firstopt++) {
if (argv[firstopt][0] == '-')
break;
projects / oweals / busybox.git / blobdiff