#ifndef lint
#if 0
static const char sccsid[] = "@(#)function.c 8.10 (Berkeley) 5/4/95";
#else
static const char rcsid[] =
"$FreeBSD: src/usr.bin/find/function.c,v 1.22.2.9 2001/09/19 09:44:24 ru Exp $";
#endif
#endif
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/mount.h>
#include <sys/timeb.h>
#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <fnmatch.h>
#include <fts.h>
#include <grp.h>
#include <pwd.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "find.h"
time_t get_date __P((char *date, struct timeb *now));
#define COMPARE(a, b) { \
switch (plan->flags & F_ELG_MASK) { \
case F_EQUAL: \
return (a == b); \
case F_LESSTHAN: \
return (a < b); \
case F_GREATER: \
return (a > b); \
default: \
abort(); \
} \
}
static PLAN *
palloc(option)
OPTION *option;
{
PLAN *new;
if ((new = malloc(sizeof(PLAN))) == NULL)
err(1, NULL);
new->execute = option->execute;
new->flags = option->flags;
new->next = NULL;
return new;
}
static long long
find_parsenum(plan, option, vp, endch)
PLAN *plan;
char *option, *vp, *endch;
{
long long value;
char *endchar, *str;
str = vp;
switch (*str) {
case '+':
++str;
plan->flags |= F_GREATER;
break;
case '-':
++str;
plan->flags |= F_LESSTHAN;
break;
default:
plan->flags |= F_EQUAL;
break;
}
value = strtoq(str, &endchar, 10);
if (value == 0 && endchar == str)
errx(1, "%s: %s: illegal numeric value", option, vp);
if (endchar[0] && (endch == NULL || endchar[0] != *endch))
errx(1, "%s: %s: illegal trailing character", option, vp);
if (endch)
*endch = endchar[0];
return value;
}
static char *
nextarg(option, argvp)
OPTION *option;
char ***argvp;
{
char *arg;
if ((arg = **argvp) == 0)
errx(1, "%s: requires additional arguments", option->name);
(*argvp)++;
return arg;
}
#define TIME_CORRECT(p) \
if (((p)->flags & F_ELG_MASK) == F_LESSTHAN) \
++((p)->t_data);
int
f_Xmin(plan, entry)
PLAN *plan;
FTSENT *entry;
{
extern time_t now;
if (plan->flags & F_TIME_C) {
COMPARE((now - entry->fts_statp->st_ctime +
60 - 1) / 60, plan->t_data);
} else if (plan->flags & F_TIME_A) {
COMPARE((now - entry->fts_statp->st_atime +
60 - 1) / 60, plan->t_data);
} else {
COMPARE((now - entry->fts_statp->st_mtime +
60 - 1) / 60, plan->t_data);
}
}
PLAN *
c_Xmin(option, argvp)
OPTION *option;
char ***argvp;
{
char *nmins;
PLAN *new;
nmins = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->t_data = find_parsenum(new, option->name, nmins, NULL);
TIME_CORRECT(new);
return new;
}
int
f_Xtime(plan, entry)
PLAN *plan;
FTSENT *entry;
{
extern time_t now;
if (plan->flags & F_TIME_C) {
COMPARE((now - entry->fts_statp->st_ctime +
86400 - 1) / 86400, plan->t_data);
} else if (plan->flags & F_TIME_A) {
COMPARE((now - entry->fts_statp->st_atime +
86400 - 1) / 86400, plan->t_data);
} else {
COMPARE((now - entry->fts_statp->st_mtime +
86400 - 1) / 86400, plan->t_data);
}
}
PLAN *
c_Xtime(option, argvp)
OPTION *option;
char ***argvp;
{
char *ndays;
PLAN *new;
ndays = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->t_data = find_parsenum(new, option->name, ndays, NULL);
TIME_CORRECT(new);
return new;
}
PLAN *
c_mXXdepth(option, argvp)
OPTION *option;
char ***argvp;
{
char *dstr;
PLAN *new;
dstr = nextarg(option, argvp);
if (dstr[0] == '-')
errx(1, "%s: %s: value must be positive", option->name, dstr);
new = palloc(option);
if (option->flags & F_MAXDEPTH)
maxdepth = find_parsenum(new, option->name, dstr, NULL);
else
mindepth = find_parsenum(new, option->name, dstr, NULL);
return new;
}
int
f_delete(plan, entry)
PLAN *plan;
FTSENT *entry;
{
if (strcmp(entry->fts_accpath, ".") == 0 ||
strcmp(entry->fts_accpath, "..") == 0)
return 1;
if (isdepth == 0 ||
(ftsoptions & FTS_NOSTAT) ||
!(ftsoptions & FTS_PHYSICAL) ||
(ftsoptions & FTS_LOGICAL))
errx(1, "-delete: insecure options got turned on");
if (strchr(entry->fts_accpath, '/') != NULL)
errx(1, "-delete: %s: relative path potentially not safe",
entry->fts_accpath);
if ((entry->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
!(entry->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)) &&
geteuid() == 0)
chflags(entry->fts_accpath,
entry->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE));
if (S_ISDIR(entry->fts_statp->st_mode)) {
if (rmdir(entry->fts_accpath) < 0 && errno != ENOTEMPTY)
warn("-delete: rmdir(%s)", entry->fts_path);
} else {
if (unlink(entry->fts_accpath) < 0)
warn("-delete: unlink(%s)", entry->fts_path);
}
return 1;
}
PLAN *
c_delete(option, argvp)
OPTION *option;
char ***argvp;
{
ftsoptions &= ~FTS_NOSTAT;
ftsoptions |= FTS_PHYSICAL;
ftsoptions &= ~FTS_LOGICAL;
isoutput = 1;
isdepth = 1;
return palloc(option);
}
int
f_always_true(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return 1;
}
PLAN *
c_depth(option, argvp)
OPTION *option;
char ***argvp;
{
isdepth = 1;
return palloc(option);
}
int
f_empty(plan, entry)
PLAN *plan;
FTSENT *entry;
{
if (S_ISREG(entry->fts_statp->st_mode) &&
entry->fts_statp->st_size == 0)
return 1;
if (S_ISDIR(entry->fts_statp->st_mode)) {
struct dirent *dp;
int empty;
DIR *dir;
empty = 1;
dir = opendir(entry->fts_accpath);
if (dir == NULL)
err(1, "%s", entry->fts_accpath);
for (dp = readdir(dir); dp; dp = readdir(dir))
if (dp->d_name[0] != '.' ||
(dp->d_name[1] != '\0' &&
(dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) {
empty = 0;
break;
}
closedir(dir);
return empty;
}
return 0;
}
PLAN *
c_empty(option, argvp)
OPTION *option;
char ***argvp;
{
ftsoptions &= ~FTS_NOSTAT;
return palloc(option);
}
int
f_exec(plan, entry)
register PLAN *plan;
FTSENT *entry;
{
extern int dotfd;
register int cnt;
pid_t pid;
int status;
char *file;
if ((plan->flags & F_EXECDIR) && \
(file = strrchr(entry->fts_path, '/')))
file++;
else
file = entry->fts_path;
for (cnt = 0; plan->e_argv[cnt]; ++cnt)
if (plan->e_len[cnt])
brace_subst(plan->e_orig[cnt], &plan->e_argv[cnt],
file, plan->e_len[cnt]);
if ((plan->flags & F_NEEDOK) && !queryuser(plan->e_argv))
return 0;
fflush(stdout);
fflush(stderr);
switch (pid = fork()) {
case -1:
err(1, "fork");
case 0:
if (!(plan->flags & F_EXECDIR) && fchdir(dotfd)) {
warn("chdir");
_exit(1);
}
execvp(plan->e_argv[0], plan->e_argv);
warn("%s", plan->e_argv[0]);
_exit(1);
}
pid = waitpid(pid, &status, 0);
return (pid != -1 && WIFEXITED(status) && !WEXITSTATUS(status));
}
PLAN *
c_exec(option, argvp)
OPTION *option;
char ***argvp;
{
PLAN *new;
register int cnt;
register char **argv, **ap, *p;
isoutput = 1;
new = palloc(option);
for (ap = argv = *argvp;; ++ap) {
if (!*ap)
errx(1,
"%s: no terminating \";\"", option->name);
if (**ap == ';')
break;
}
cnt = ap - *argvp + 1;
new->e_argv = (char **)emalloc((u_int)cnt * sizeof(char *));
new->e_orig = (char **)emalloc((u_int)cnt * sizeof(char *));
new->e_len = (int *)emalloc((u_int)cnt * sizeof(int));
for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
new->e_orig[cnt] = *argv;
for (p = *argv; *p; ++p)
if (p[0] == '{' && p[1] == '}') {
new->e_argv[cnt] = emalloc((u_int)MAXPATHLEN);
new->e_len[cnt] = MAXPATHLEN;
break;
}
if (!*p) {
new->e_argv[cnt] = *argv;
new->e_len[cnt] = 0;
}
}
new->e_argv[cnt] = new->e_orig[cnt] = NULL;
*argvp = argv + 1;
return new;
}
int
f_flags(plan, entry)
PLAN *plan;
FTSENT *entry;
{
u_long flags;
flags = entry->fts_statp->st_flags;
if (plan->flags & F_ATLEAST)
return (flags | plan->fl_flags) == flags &&
!(flags & plan->fl_notflags);
else if (plan->flags & F_ANY)
return (flags & plan->fl_flags) ||
(flags | plan->fl_notflags) != flags;
else
return flags == plan->fl_flags &&
!(plan->fl_flags & plan->fl_notflags);
}
PLAN *
c_flags(option, argvp)
OPTION *option;
char ***argvp;
{
char *flags_str;
PLAN *new;
u_long flags, notflags;
flags_str = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (*flags_str == '-') {
new->flags |= F_ATLEAST;
flags_str++;
} else if (*flags_str == '+') {
new->flags |= F_ANY;
flags_str++;
}
if (strtofflags(&flags_str, &flags, ¬flags) == 1)
errx(1, "%s: %s: illegal flags string", option->name, flags_str);
new->fl_flags = flags;
new->fl_notflags = notflags;
return new;
}
PLAN *
c_follow(option, argvp)
OPTION *option;
char ***argvp;
{
ftsoptions &= ~FTS_PHYSICAL;
ftsoptions |= FTS_LOGICAL;
return palloc(option);
}
int
f_fstype(plan, entry)
PLAN *plan;
FTSENT *entry;
{
static dev_t curdev;
static int first = 1;
struct statfs sb;
static int val_type, val_flags;
char *p, save[2];
if (first || curdev != entry->fts_statp->st_dev) {
curdev = entry->fts_statp->st_dev;
if (entry->fts_info == FTS_SL ||
entry->fts_info == FTS_SLNONE) {
if ((p = strrchr(entry->fts_accpath, '/')) != NULL)
++p;
else
p = entry->fts_accpath;
save[0] = p[0];
p[0] = '.';
save[1] = p[1];
p[1] = '\0';
} else
p = NULL;
if (statfs(entry->fts_accpath, &sb))
err(1, "%s", entry->fts_accpath);
if (p) {
p[0] = save[0];
p[1] = save[1];
}
first = 0;
val_flags = sb.f_flags;
val_type = sb.f_type;
}
switch (plan->flags & F_MTMASK) {
case F_MTFLAG:
return (val_flags & plan->mt_data) != 0;
case F_MTTYPE:
return (val_type == plan->mt_data);
default:
abort();
}
}
#if !defined(__NetBSD__)
PLAN *
c_fstype(option, argvp)
OPTION *option;
char ***argvp;
{
char *fsname;
register PLAN *new;
struct vfsconf vfc;
fsname = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (getvfsbyname(fsname, &vfc) == 0) {
new->flags |= F_MTTYPE;
new->mt_data = vfc.vfc_typenum;
return new;
}
switch (*fsname) {
case 'l':
if (!strcmp(fsname, "local")) {
new->flags |= F_MTFLAG;
new->mt_data = MNT_LOCAL;
return new;
}
break;
case 'r':
if (!strcmp(fsname, "rdonly")) {
new->flags |= F_MTFLAG;
new->mt_data = MNT_RDONLY;
return new;
}
break;
}
errx(1, "%s: unknown file type", fsname);
}
#endif
int
f_group(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return entry->fts_statp->st_gid == plan->g_data;
}
PLAN *
c_group(option, argvp)
OPTION *option;
char ***argvp;
{
char *gname;
PLAN *new;
struct group *g;
gid_t gid;
gname = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
g = getgrnam(gname);
if (g == NULL) {
gid = atoi(gname);
if (gid == 0 && gname[0] != '0')
errx(1, "%s: %s: no such group", option->name, gname);
} else
gid = g->gr_gid;
new = palloc(option);
new->g_data = gid;
return new;
}
int
f_inum(plan, entry)
PLAN *plan;
FTSENT *entry;
{
COMPARE(entry->fts_statp->st_ino, plan->i_data);
}
PLAN *
c_inum(option, argvp)
OPTION *option;
char ***argvp;
{
char *inum_str;
PLAN *new;
inum_str = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->i_data = find_parsenum(new, option->name, inum_str, NULL);
return new;
}
int
f_links(plan, entry)
PLAN *plan;
FTSENT *entry;
{
COMPARE(entry->fts_statp->st_nlink, plan->l_data);
}
PLAN *
c_links(option, argvp)
OPTION *option;
char ***argvp;
{
char *nlinks;
PLAN *new;
nlinks = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
new->l_data = (nlink_t)find_parsenum(new, option->name, nlinks, NULL);
return new;
}
int
f_ls(plan, entry)
PLAN *plan;
FTSENT *entry;
{
printlong(entry->fts_path, entry->fts_accpath, entry->fts_statp);
return 1;
}
PLAN *
c_ls(option, argvp)
OPTION *option;
char ***argvp;
{
ftsoptions &= ~FTS_NOSTAT;
isoutput = 1;
return palloc(option);
}
int
f_name(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return !fnmatch(plan->c_data, entry->fts_name,
plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
}
PLAN *
c_name(option, argvp)
OPTION *option;
char ***argvp;
{
char *pattern;
PLAN *new;
pattern = nextarg(option, argvp);
new = palloc(option);
new->c_data = pattern;
return new;
}
int
f_newer(plan, entry)
PLAN *plan;
FTSENT *entry;
{
if (plan->flags & F_TIME_C)
return entry->fts_statp->st_ctime > plan->t_data;
else if (plan->flags & F_TIME_A)
return entry->fts_statp->st_atime > plan->t_data;
else
return entry->fts_statp->st_mtime > plan->t_data;
}
PLAN *
c_newer(option, argvp)
OPTION *option;
char ***argvp;
{
char *fn_or_tspec;
PLAN *new;
struct stat sb;
fn_or_tspec = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (option->flags & F_TIME2_T) {
new->t_data = get_date(fn_or_tspec, (struct timeb *) 0);
if (new->t_data == (time_t) -1)
errx(1, "Can't parse date/time: %s", fn_or_tspec);
} else {
if (stat(fn_or_tspec, &sb))
err(1, "%s", fn_or_tspec);
if (option->flags & F_TIME2_C)
new->t_data = sb.st_ctime;
else if (option->flags & F_TIME2_A)
new->t_data = sb.st_atime;
else
new->t_data = sb.st_mtime;
}
return new;
}
int
f_nogroup(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return group_from_gid(entry->fts_statp->st_gid, 1) == NULL;
}
PLAN *
c_nogroup(option, argvp)
OPTION *option;
char ***argvp;
{
ftsoptions &= ~FTS_NOSTAT;
return palloc(option);
}
int
f_nouser(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return user_from_uid(entry->fts_statp->st_uid, 1) == NULL;
}
PLAN *
c_nouser(option, argvp)
OPTION *option;
char ***argvp;
{
ftsoptions &= ~FTS_NOSTAT;
return palloc(option);
}
int
f_path(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return !fnmatch(plan->c_data, entry->fts_path,
plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
}
int
f_perm(plan, entry)
PLAN *plan;
FTSENT *entry;
{
mode_t mode;
mode = entry->fts_statp->st_mode &
(S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO);
if (plan->flags & F_ATLEAST)
return (plan->m_data | mode) == mode;
else if (plan->flags & F_ANY)
return (mode & plan->m_data);
else
return mode == plan->m_data;
}
PLAN *
c_perm(option, argvp)
OPTION *option;
char ***argvp;
{
char *perm;
PLAN *new;
mode_t *set;
perm = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
if (*perm == '-') {
new->flags |= F_ATLEAST;
++perm;
} else if (*perm == '+') {
new->flags |= F_ANY;
++perm;
}
if ((set = setmode(perm)) == NULL)
errx(1, "%s: %s: illegal mode string", option->name, perm);
new->m_data = getmode(set, 0);
free(set);
return new;
}
int
f_print(plan, entry)
PLAN *plan;
FTSENT *entry;
{
(void)puts(entry->fts_path);
return 1;
}
PLAN *
c_print(option, argvp)
OPTION *option;
char ***argvp;
{
isoutput = 1;
return palloc(option);
}
int
f_print0(plan, entry)
PLAN *plan;
FTSENT *entry;
{
fputs(entry->fts_path, stdout);
fputc('\0', stdout);
return 1;
}
int
f_prune(plan, entry)
PLAN *plan;
FTSENT *entry;
{
extern FTS *tree;
if (fts_set(tree, entry, FTS_SKIP))
err(1, "%s", entry->fts_path);
return 1;
}
int
f_regex(plan, entry)
PLAN *plan;
FTSENT *entry;
{
char *str;
size_t len;
regex_t *pre;
regmatch_t pmatch;
int errcode;
char errbuf[LINE_MAX];
int matched;
pre = plan->re_data;
str = entry->fts_path;
len = strlen(str);
matched = 0;
pmatch.rm_so = 0;
pmatch.rm_eo = len;
errcode = regexec(pre, str, 1, &pmatch, REG_STARTEND);
if (errcode != 0 && errcode != REG_NOMATCH) {
regerror(errcode, pre, errbuf, sizeof errbuf);
errx(1, "%s: %s",
plan->flags & F_IGNCASE ? "-iregex" : "-regex", errbuf);
}
if (errcode == 0 && pmatch.rm_so == 0 && pmatch.rm_eo == len)
matched = 1;
return matched;
}
PLAN *
c_regex(option, argvp)
OPTION *option;
char ***argvp;
{
PLAN *new;
char *pattern;
regex_t *pre;
int errcode;
char errbuf[LINE_MAX];
if ((pre = malloc(sizeof(regex_t))) == NULL)
err(1, NULL);
pattern = nextarg(option, argvp);
if ((errcode = regcomp(pre, pattern,
regexp_flags | (option->flags & F_IGNCASE ? REG_ICASE : 0))) != 0) {
regerror(errcode, pre, errbuf, sizeof errbuf);
errx(1, "%s: %s: %s",
option->flags & F_IGNCASE ? "-iregex" : "-regex",
pattern, errbuf);
}
new = palloc(option);
new->re_data = pre;
return new;
}
PLAN *
c_simple(option, argvp)
OPTION *option;
char ***argvp;
{
return palloc(option);
}
#define FIND_SIZE 512
static int divsize = 1;
int
f_size(plan, entry)
PLAN *plan;
FTSENT *entry;
{
off_t size;
size = divsize ? (entry->fts_statp->st_size + FIND_SIZE - 1) /
FIND_SIZE : entry->fts_statp->st_size;
COMPARE(size, plan->o_data);
}
PLAN *
c_size(option, argvp)
OPTION *option;
char ***argvp;
{
char *size_str;
PLAN *new;
char endch;
size_str = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
new = palloc(option);
endch = 'c';
new->o_data = find_parsenum(new, option->name, size_str, &endch);
if (endch == 'c')
divsize = 0;
return new;
}
int
f_type(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return (entry->fts_statp->st_mode & S_IFMT) == plan->m_data;
}
PLAN *
c_type(option, argvp)
OPTION *option;
char ***argvp;
{
char *typestring;
PLAN *new;
mode_t mask;
typestring = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
switch (typestring[0]) {
case 'b':
mask = S_IFBLK;
break;
case 'c':
mask = S_IFCHR;
break;
case 'd':
mask = S_IFDIR;
break;
case 'f':
mask = S_IFREG;
break;
case 'l':
mask = S_IFLNK;
break;
case 'p':
mask = S_IFIFO;
break;
case 's':
mask = S_IFSOCK;
break;
#ifdef FTS_WHITEOUT
case 'w':
mask = S_IFWHT;
ftsoptions |= FTS_WHITEOUT;
break;
#endif
default:
errx(1, "%s: %s: unknown type", option->name, typestring);
}
new = palloc(option);
new->m_data = mask;
return new;
}
int
f_user(plan, entry)
PLAN *plan;
FTSENT *entry;
{
return entry->fts_statp->st_uid == plan->u_data;
}
PLAN *
c_user(option, argvp)
OPTION *option;
char ***argvp;
{
char *username;
PLAN *new;
struct passwd *p;
uid_t uid;
username = nextarg(option, argvp);
ftsoptions &= ~FTS_NOSTAT;
p = getpwnam(username);
if (p == NULL) {
uid = atoi(username);
if (uid == 0 && username[0] != '0')
errx(1, "%s: %s: no such user", option->name, username);
} else
uid = p->pw_uid;
new = palloc(option);
new->u_data = uid;
return new;
}
PLAN *
c_xdev(option, argvp)
OPTION *option;
char ***argvp;
{
ftsoptions |= FTS_XDEV;
return palloc(option);
}
int
f_expr(plan, entry)
PLAN *plan;
FTSENT *entry;
{
register PLAN *p;
register int state = 0;
for (p = plan->p_data[0];
p && (state = (p->execute)(p, entry)); p = p->next);
return state;
}
int
f_openparen(plan, entry)
PLAN *plan;
FTSENT *entry;
{
abort();
}
int
f_closeparen(plan, entry)
PLAN *plan;
FTSENT *entry;
{
abort();
}
PLAN *
c_and(option, argvp)
OPTION *option;
char ***argvp;
{
return NULL;
}
int
f_not(plan, entry)
PLAN *plan;
FTSENT *entry;
{
register PLAN *p;
register int state = 0;
for (p = plan->p_data[0];
p && (state = (p->execute)(p, entry)); p = p->next);
return !state;
}
int
f_or(plan, entry)
PLAN *plan;
FTSENT *entry;
{
register PLAN *p;
register int state = 0;
for (p = plan->p_data[0];
p && (state = (p->execute)(p, entry)); p = p->next);
if (state)
return 1;
for (p = plan->p_data[1];
p && (state = (p->execute)(p, entry)); p = p->next);
return state;
}