+ * # find t z -name '*t*' -print -o -name '*z*'
+ * t
+ * # find t z t z -name '*t*' -o -name '*z*' -print
+ * z
+ * z
+ * # find t z t z '(' -name '*t*' -o -name '*z*' ')' -o -print
+ * (no output)
+ */
+/* Testing script
+ * ./busybox find "$@" | tee /tmp/bb_find
+ * echo ==================
+ * /path/to/gnu/find "$@" | tee /tmp/std_find
+ * echo ==================
+ * diff -u /tmp/std_find /tmp/bb_find && echo Identical
+ */
+//config:config FIND
+//config: bool "find (14 kb)"
+//config: default y
+//config: help
+//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:
+//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:
+//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:
+//config:config FEATURE_FIND_PERM
+//config: bool "Enable -perm: permissions matching"
+//config: default y
+//config: depends on FIND
+//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:
+//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:
+//config:config FEATURE_FIND_MAXDEPTH
+//config: bool "Enable -mindepth N and -maxdepth N"
+//config: default y
+//config: depends on FIND
+//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:
+//config:config FEATURE_FIND_INUM
+//config: bool "Enable -inum: inode number matching"
+//config: default y
+//config: depends on FIND
+//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:
+//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:
+//config:config FEATURE_FIND_USER
+//config: bool "Enable -user: username/uid matching"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_GROUP
+//config: bool "Enable -group: group/gid matching"
+//config: default y
+//config: depends on FIND
+//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:
+//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:
+//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:
+//config:config FEATURE_FIND_SIZE
+//config: bool "Enable -size: file size matching"
+//config: default y
+//config: depends on FIND
+//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, 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:
+//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:
+//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:
+//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:
+//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.
+
+//applet:IF_FIND(APPLET_NOEXEC(find, find, BB_DIR_USR_BIN, BB_SUID_DROP, find))
+
+//kbuild:lib-$(CONFIG_FIND) += find.o
+
+//usage:#define find_trivial_usage
+//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 -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: )
+//usage: IF_FEATURE_FIND_MAXDEPTH(
+//usage: "\n -maxdepth N Descend at most N levels. -maxdepth 0 applies"
+//usage: "\n actions to command line arguments only"
+//usage: "\n -mindepth N Don't act on first N levels"
+//usage: )
+//usage: IF_FEATURE_FIND_DEPTH(
+//usage: "\n -depth Act on directory *after* traversing it"
+//usage: )
+//usage: "\n"
+//usage: "\nActions:"
+//usage: IF_FEATURE_FIND_PAREN(
+//usage: "\n ( ACTIONS ) Group actions for -o / -a"
+//usage: )
+//usage: IF_FEATURE_FIND_NOT(
+//usage: "\n ! ACT Invert ACT's success/failure"
+//usage: )
+//usage: "\n ACT1 [-a] ACT2 If ACT1 fails, stop, else do ACT2"
+//usage: "\n ACT1 -o ACT2 If ACT1 succeeds, stop, else do ACT2"
+//usage: "\n Note: -a has higher priority than -o"
+//usage: "\n -name PATTERN Match file name (w/o directory name) to PATTERN"
+//usage: "\n -iname PATTERN Case insensitive -name"
+//usage: IF_FEATURE_FIND_PATH(
+//usage: "\n -path PATTERN Match path to PATTERN"
+//usage: "\n -ipath PATTERN Case insensitive -path"
+//usage: )
+//usage: IF_FEATURE_FIND_REGEX(
+//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,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: "\n or exactly MASK bits are set in file's mode"
+//usage: )
+//usage: IF_FEATURE_FIND_MTIME(
+//usage: "\n -mtime DAYS mtime is greater than (+N), less than (-N),"
+//usage: "\n or exactly N days in the past"
+//usage: )
+//usage: IF_FEATURE_FIND_MMIN(
+//usage: "\n -mmin MINS mtime is greater than (+N), less than (-N),"
+//usage: "\n or exactly N minutes in the past"
+//usage: )
+//usage: IF_FEATURE_FIND_NEWER(
+//usage: "\n -newer FILE mtime is more recent than FILE's"
+//usage: )
+//usage: IF_FEATURE_FIND_INUM(
+//usage: "\n -inum N File has inode number N"
+//usage: )
+//usage: IF_FEATURE_FIND_USER(
+//usage: "\n -user NAME/ID File is owned by given user"
+//usage: )
+//usage: IF_FEATURE_FIND_GROUP(
+//usage: "\n -group NAME/ID File is owned by given group"
+//usage: )
+//usage: IF_FEATURE_FIND_SIZE(
+//usage: "\n -size N[bck] File size is N (c:bytes,k:kbytes,b:512 bytes(def.))"
+//usage: "\n +/-N: file size is bigger/smaller than N"
+//usage: )
+//usage: IF_FEATURE_FIND_LINKS(
+//usage: "\n -links N Number of links is greater than (+N), less than (-N),"
+//usage: "\n or exactly N"
+//usage: )
+//usage: IF_FEATURE_FIND_CONTEXT(
+//usage: "\n -context CTX File has specified security context"
+//usage: )
+//usage: IF_FEATURE_FIND_PRUNE(
+//usage: "\n -prune If current file is directory, don't descend into it"
+//usage: )
+//usage: "\nIf none of the following actions is specified, -print is assumed"
+//usage: "\n -print Print file name"
+//usage: IF_FEATURE_FIND_PRINT0(
+//usage: "\n -print0 Print file name, NUL terminated"
+//usage: )
+//usage: IF_FEATURE_FIND_EXEC(
+//usage: "\n -exec CMD ARG ; Run CMD with all instances of {} replaced by"
+//usage: "\n file name. Fails if CMD exits with nonzero"
+//usage: )
+//usage: IF_FEATURE_FIND_EXEC_PLUS(
+//usage: "\n -exec CMD ARG + Run CMD with {} replaced by list of file names"
+//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"
+//usage: "/etc/passwd\n"
+
+#include <fnmatch.h>
+#include "libbb.h"
+#include "common_bufsiz.h"
+#if ENABLE_FEATURE_FIND_REGEX
+# include "xregex.h"
+#endif
+/* GNUism: */
+#ifndef FNM_CASEFOLD
+# define FNM_CASEFOLD 0
+#endif
+
+#if 1
+# define dbg(...) ((void)0)
+#else
+# define dbg(...) bb_error_msg(__VA_ARGS__)
+#endif
+
+
+/* This is a NOEXEC applet. Be very careful! */
+
+
+typedef int (*action_fp)(const char *fileName, const struct stat *statbuf, void *) FAST_FUNC;
+
+typedef struct {
+ action_fp f;
+#if ENABLE_FEATURE_FIND_NOT
+ bool invert;
+#endif
+} action;
+
+#define ACTS(name, ...) typedef struct { action a; __VA_ARGS__ } action_##name;
+#define ACTF(name) \
+ static int FAST_FUNC func_##name(const char *fileName UNUSED_PARAM, \
+ const struct stat *statbuf UNUSED_PARAM, \
+ action_##name* ap UNUSED_PARAM)
+
+ ACTS(print)
+ ACTS(name, const char *pattern; bool iname;)
+IF_FEATURE_FIND_PATH( ACTS(path, const char *pattern; bool ipath;))
+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_NEWER( ACTS(newer, time_t newer_mtime;))
+IF_FEATURE_FIND_INUM( ACTS(inum, ino_t inode_num;))
+IF_FEATURE_FIND_USER( ACTS(user, uid_t uid;))
+IF_FEATURE_FIND_SIZE( ACTS(size, char size_char; off_t size;))
+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_EXEC( ACTS(exec,
+ char **exec_argv; /* -exec ARGS */
+ unsigned *subst_count;
+ int exec_argc; /* count of ARGS */
+ IF_FEATURE_FIND_EXEC_PLUS(
+ /*
+ * filelist is NULL if "exec ;"
+ * non-NULL if "exec +"
+ */
+ char **filelist;
+ int filelist_idx;
+ int file_len;
+ )
+ ))
+IF_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
+IF_FEATURE_FIND_LINKS( ACTS(links, char links_char; int links_count;))
+
+struct globals {
+ IF_FEATURE_FIND_XDEV(dev_t *xdev_dev;)
+ IF_FEATURE_FIND_XDEV(int xdev_count;)
+#if ENABLE_FEATURE_FIND_MAXDEPTH
+ int minmaxdepth[2];
+#endif
+ 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)); \
+ IF_FEATURE_FIND_MAXDEPTH(G.minmaxdepth[1] = INT_MAX;) \
+ IF_FEATURE_FIND_EXEC_PLUS(G.max_argv_len = bb_arg_max() - 2048;) \
+ G.need_print = 1; \
+ G.recurse_flags = ACTION_RECURSE; \
+} while (0)
+
+/* Return values of ACTFs ('action functions') are a bit mask:
+ * bit 1=1: prune (use SKIP constant for setting it)
+ * bit 0=1: matched successfully (TRUE)
+ */
+
+static int exec_actions(action ***appp, const char *fileName, const struct stat *statbuf)
+{
+ int cur_group;
+ int cur_action;
+ int rc = 0;
+ action **app, *ap;
+
+ /* "action group" is a set of actions ANDed together.
+ * groups are ORed together.
+ * We simply evaluate each group until we find one in which all actions
+ * succeed. */
+
+ /* -prune is special: if it is encountered, then we won't
+ * descend into current directory. It doesn't matter whether
+ * action group (in which -prune sits) will succeed or not:
+ * find * -prune -name 'f*' -o -name 'm*' -- prunes every dir
+ * find * -name 'f*' -o -prune -name 'm*' -- prunes all dirs
+ * not starting with 'f' */
+
+ /* We invert TRUE bit (bit 0). Now 1 there means 'failure'.
+ * and bitwise OR in "rc |= TRUE ^ ap->f()" will:
+ * (1) make SKIP (-prune) bit stick; and (2) detect 'failure'.
+ * On return, bit is restored. */
+
+ cur_group = -1;
+ while ((app = appp[++cur_group]) != NULL) {
+ rc &= ~TRUE; /* 'success' so far, clear TRUE bit */
+ cur_action = -1;
+ while (1) {
+ ap = app[++cur_action];
+ if (!ap) /* all actions in group were successful */
+ return rc ^ TRUE; /* restore TRUE bit */
+ rc |= TRUE ^ ap->f(fileName, statbuf, ap);
+#if ENABLE_FEATURE_FIND_NOT
+ if (ap->invert) rc ^= TRUE;
+#endif
+ dbg("grp %d action %d rc:0x%x", cur_group, cur_action, rc);
+ if (rc & TRUE) /* current group failed, try next */
+ break;
+ }
+ }
+ dbg("returning:0x%x", rc ^ TRUE);
+ return rc ^ TRUE; /* restore TRUE bit */
+}
+
+#if !FNM_CASEFOLD
+static char *strcpy_upcase(char *dst, const char *src)
+{
+ char *d = dst;
+ while (1) {
+ unsigned char ch = *src++;
+ if (ch >= 'a' && ch <= 'z')
+ ch -= ('a' - 'A');
+ *d++ = ch;
+ if (ch == '\0')
+ break;
+ }
+ return dst;
+}
+#endif
+
+ACTF(name)
+{
+ int r;
+ const char *tmp = bb_basename(fileName);
+ /* 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
+ r = fnmatch(ap->pattern, tmp, (ap->iname ? FNM_CASEFOLD : 0));
+#else
+ if (ap->iname)
+ tmp = strcpy_upcase(alloca(strlen(tmp) + 1), tmp);
+ r = fnmatch(ap->pattern, tmp, 0);
+#endif
+ if (trunc_slash) *trunc_slash = '/';
+ return r == 0;
+}
+
+#if ENABLE_FEATURE_FIND_PATH
+ACTF(path)
+{
+# if FNM_CASEFOLD
+ return fnmatch(ap->pattern, fileName, (ap->ipath ? FNM_CASEFOLD : 0)) == 0;
+# else
+ if (ap->ipath)
+ fileName = strcpy_upcase(alloca(strlen(fileName) + 1), fileName);
+ return fnmatch(ap->pattern, fileName, 0) == 0;
+# endif
+}
+#endif
+#if ENABLE_FEATURE_FIND_REGEX
+ACTF(regex)
+{
+ regmatch_t match;
+ if (regexec(&ap->compiled_pattern, fileName, 1, &match, 0 /*eflags*/))
+ return 0; /* no match */
+ if (match.rm_so)
+ return 0; /* match doesn't start at pos 0 */
+ if (fileName[match.rm_eo])
+ return 0; /* match doesn't end exactly at end of pathname */
+ return 1;
+}
+#endif
+#if ENABLE_FEATURE_FIND_TYPE
+ACTF(type)
+{
+ 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)
+{
+ /* -perm [+/]mode: at least one of perm_mask bits are set */
+ if (ap->perm_char == '+' || ap->perm_char == '/')
+ return (statbuf->st_mode & ap->perm_mask) != 0;
+ /* -perm -mode: all of perm_mask are set */
+ if (ap->perm_char == '-')
+ return (statbuf->st_mode & ap->perm_mask) == ap->perm_mask;
+ /* -perm mode: file mode must match perm_mask */
+ return (statbuf->st_mode & 07777) == ap->perm_mask;
+}
+#endif
+#if ENABLE_FEATURE_FIND_MTIME
+ACTF(mtime)
+{
+ time_t file_age = time(NULL) - statbuf->st_mtime;
+ time_t mtime_secs = ap->mtime_days * 24*60*60;
+ if (ap->mtime_char == '+')
+ return file_age >= mtime_secs + 24*60*60;
+ if (ap->mtime_char == '-')
+ return file_age < mtime_secs;
+ /* just numeric mtime */
+ return file_age >= mtime_secs && file_age < (mtime_secs + 24*60*60);
+}
+#endif
+#if ENABLE_FEATURE_FIND_MMIN
+ACTF(mmin)
+{
+ time_t file_age = time(NULL) - statbuf->st_mtime;
+ time_t mmin_secs = ap->mmin_mins * 60;
+ if (ap->mmin_char == '+')
+ return file_age >= mmin_secs + 60;
+ if (ap->mmin_char == '-')
+ return file_age < mmin_secs;
+ /* just numeric mmin */
+ return file_age >= mmin_secs && file_age < (mmin_secs + 60);
+}
+#endif
+#if ENABLE_FEATURE_FIND_NEWER
+ACTF(newer)
+{
+ return (ap->newer_mtime < statbuf->st_mtime);
+}
+#endif
+#if ENABLE_FEATURE_FIND_INUM
+ACTF(inum)
+{
+ return (statbuf->st_ino == ap->inode_num);
+}
+#endif
+#if ENABLE_FEATURE_FIND_EXEC
+static int do_exec(action_exec *ap, const char *fileName)
+{
+ int i, rc;
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ int size = ap->exec_argc + ap->filelist_idx + 1;
+# else
+ int size = ap->exec_argc + 1;
+# endif
+# if ENABLE_USE_PORTABLE_CODE
+ char **argv = alloca(sizeof(char*) * size);
+# else /* gcc 4.3.1 generates smaller code: */
+ char *argv[size];
+# endif
+ char **pp = argv;
+
+ for (i = 0; i < ap->exec_argc; i++) {
+ const char *arg = ap->exec_argv[i];
+
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ if (ap->filelist) {
+ /* Handling "-exec +"
+ * Only one exec_argv[i] has substitution in it.
+ * Expand that one exec_argv[i] into file list.
+ */
+ if (ap->subst_count[i] == 0) {
+ *pp++ = xstrdup(arg);
+ } else {
+ int j = 0;
+ while (ap->filelist[j]) {
+ /* 2nd arg here should be ap->subst_count[i], but it is always 1: */
+ *pp++ = xmalloc_substitute_string(arg, 1, "{}", ap->filelist[j]);
+ free(ap->filelist[j]);
+ j++;
+ }
+ }
+ } else
+# endif
+ {
+ /* Handling "-exec ;" */
+ *pp++ = xmalloc_substitute_string(arg, ap->subst_count[i], "{}", fileName);
+ }
+ }
+ *pp = NULL; /* terminate the list */
+
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ if (ap->filelist) {
+ ap->filelist[0] = NULL;
+ ap->filelist_idx = 0;
+ ap->file_len = 0;
+ }
+# endif
+
+ rc = spawn_and_wait(argv);
+ if (rc < 0)
+ bb_simple_perror_msg(argv[0]);
+
+ i = 0;
+ while (argv[i])
+ free(argv[i++]);
+ return rc == 0; /* return 1 if exitcode 0 */
+}
+ACTF(exec)
+{
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ if (ap->filelist) {
+ int rc;
+
+ ap->filelist = xrealloc_vector(ap->filelist, 8, ap->filelist_idx);
+ ap->filelist[ap->filelist_idx++] = xstrdup(fileName);
+ ap->file_len += strlen(fileName) + sizeof(char*) + 1;
+ /* If we have lots of files already, exec the command */
+ rc = 1;
+ if (ap->file_len >= G.max_argv_len)
+ rc = do_exec(ap, NULL);
+ return rc;
+ }
+# endif
+ return do_exec(ap, fileName);
+}
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+static int flush_exec_plus(void)
+{
+ action *ap;
+ action **app;
+ action ***appp = G.actions;
+ while ((app = *appp++) != NULL) {
+ while ((ap = *app++) != NULL) {
+ if (ap->f == (action_fp)func_exec) {
+ action_exec *ae = (void*)ap;
+ if (ae->filelist_idx != 0) {
+ int rc = do_exec(ae, NULL);
+# if ENABLE_FEATURE_FIND_NOT
+ if (ap->invert) rc = !rc;
+# endif
+ if (rc == 0)
+ return 1;
+ }
+ }
+ }
+ }
+ return 0;
+}
+# endif
+#endif
+#if ENABLE_FEATURE_FIND_USER
+ACTF(user)
+{
+ return (statbuf->st_uid == ap->uid);
+}
+#endif
+#if ENABLE_FEATURE_FIND_GROUP
+ACTF(group)
+{
+ return (statbuf->st_gid == ap->gid);
+}
+#endif
+#if ENABLE_FEATURE_FIND_PRINT0
+ACTF(print0)
+{
+ printf("%s%c", fileName, '\0');
+ return TRUE;
+}
+#endif
+ACTF(print)
+{
+ puts(fileName);
+ return TRUE;
+}
+#if ENABLE_FEATURE_FIND_PAREN
+ACTF(paren)
+{
+ return exec_actions(ap->subexpr, fileName, statbuf);
+}
+#endif
+#if ENABLE_FEATURE_FIND_SIZE
+ACTF(size)
+{
+ if (ap->size_char == '+')
+ return statbuf->st_size > ap->size;
+ if (ap->size_char == '-')
+ return statbuf->st_size < ap->size;
+ return statbuf->st_size == ap->size;
+}
+#endif
+#if ENABLE_FEATURE_FIND_PRUNE
+/*
+ * -prune: if -depth is not given, return true and do not descend
+ * current dir; if -depth is given, return false with no effect.
+ * Example:
+ * find dir -name 'asm-*' -prune -o -name '*.[chS]' -print