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/*
* Copyright (C) 2000 Carsten Haitzler, Geoff Harrison and various contributors
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* *
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "E.h"
#ifdef __EMX__
#define chdir _chdir2
#define getcwd _getcwd2
extern char *__XOS2RedirRoot(const char *);
#endif
char *
FileExtension(char *file)
{
char *p;
EDBUG(5, "FileExtension");
p = strrchr(file, '.');
if (p != NULL)
{
EDBUG_RETURN(p + 1);
}
EDBUG_RETURN("");
}
void
Etmp(char *s)
{
static unsigned long n_calls = 0;
EDBUG(9, "Etmp");
if (!n_calls)
n_calls = (unsigned long)time(NULL) + (unsigned long)getpid();
Esnprintf(s, 1024, "%s/TMP_%Xl", UserEDir(), n_calls);
n_calls++;
EDBUG_RETURN_;
}
void
md(char *s)
{
EDBUG(9, "md");
if ((!s) || (!*s))
EDBUG_RETURN_;
mkdir(s, S_IRWXU);
EDBUG_RETURN_;
}
int
exists(char *s)
{
struct stat st;
EDBUG(9, "exists");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (stat(s, &st) < 0)
EDBUG_RETURN(0);
EDBUG_RETURN(1);
}
void
mkdirs(char *s)
{
char ss[FILEPATH_LEN_MAX];
int i, ii;
i = 0;
ii = 0;
while (s[i])
{
ss[ii++] = s[i];
ss[ii] = 0;
if (s[i] == '/')
{
if (!exists(ss))
md(ss);
else if (!isdir(ss))
return;
}
i++;
}
}
int
isfile(char *s)
{
struct stat st;
EDBUG(9, "isfile");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (stat(s, &st) < 0)
EDBUG_RETURN(0);
if (S_ISREG(st.st_mode))
EDBUG_RETURN(1);
EDBUG_RETURN(0);
}
int
isdir(char *s)
{
struct stat st;
EDBUG(9, "isdir");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (stat(s, &st) < 0)
EDBUG_RETURN(0);
if (S_ISDIR(st.st_mode))
EDBUG_RETURN(1);
EDBUG_RETURN(0);
}
char **
ls(char *dir, int *num)
{
int i, dirlen;
int done = 0;
DIR *dirp;
char **names;
struct dirent *dp;
EDBUG(9, "ls");
if ((!dir) || (!*dir))
EDBUG_RETURN(0);
dirp = opendir(dir);
if (!dirp)
{
*num = 0;
EDBUG_RETURN(NULL);
}
/* count # of entries in dir (worst case) */
for (dirlen = 0; (dp = readdir(dirp)) != NULL; dirlen++);
if (!dirlen)
{
closedir(dirp);
*num = dirlen;
EDBUG_RETURN(NULL);
}
names = (char **)Emalloc(dirlen * sizeof(char *));
if (!names)
EDBUG_RETURN(NULL);
rewinddir(dirp);
for (i = 0; i < dirlen;)
{
dp = readdir(dirp);
if (!dp)
break;
if ((strcmp(dp->d_name, ".")) && (strcmp(dp->d_name, "..")))
{
names[i] = duplicate(dp->d_name);
i++;
}
}
if (i < dirlen)
dirlen = i; /* dir got shorter... */
closedir(dirp);
*num = dirlen;
/* do a simple bubble sort here to alphanumberic it */
while (!done)
{
done = 1;
for (i = 0; i < dirlen - 1; i++)
{
if (strcmp(names[i], names[i + 1]) > 0)
{
char *tmp;
tmp = names[i];
names[i] = names[i + 1];
names[i + 1] = tmp;
done = 0;
}
}
}
EDBUG_RETURN(names);
}
void
freestrlist(char **l, int num)
{
EDBUG(9, "freestrlist");
if (!l)
EDBUG_RETURN_;
while (num--)
if (l[num])
Efree(l[num]);
Efree(l);
EDBUG_RETURN_;
}
void
rm(char *s)
{
EDBUG(9, "rm");
if ((!s) || (!*s))
EDBUG_RETURN_;
unlink(s);
EDBUG_RETURN_;
}
void
mv(char *s, char *ss)
{
EDBUG(9, "mv");
if ((!s) || (!ss) || (!*s) || (!*ss))
EDBUG_RETURN_;
rename(s, ss);
EDBUG_RETURN_;
}
void
cp(char *s, char *ss)
{
int i;
FILE *f, *ff;
unsigned char buf[1];
EDBUG(9, "cp");
if ((!s) || (!ss) || (!*s) || (!*ss))
EDBUG_RETURN_;
if (!exists(s))
EDBUG_RETURN_;
i = filesize(s);
f = fopen(s, "r");
if (!f)
EDBUG_RETURN_;
ff = fopen(ss, "w");
if (!ff)
{
fclose(f);
EDBUG_RETURN_;
}
while (fread(buf, 1, 1, f))
fwrite(buf, 1, 1, ff);
fclose(f);
fclose(ff);
EDBUG_RETURN_;
}
time_t
moddate(char *s)
{
struct stat st;
EDBUG(9, "moddate");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (!stat(s, &st) < 0)
EDBUG_RETURN(0);
if (st.st_mtime > st.st_ctime)
{
EDBUG_RETURN(st.st_mtime);
}
else
EDBUG_RETURN(st.st_ctime);
EDBUG_RETURN(0);
}
int
filesize(char *s)
{
struct stat st;
EDBUG(9, "filesize");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (stat(s, &st) < 0)
EDBUG_RETURN(0);
EDBUG_RETURN((int)st.st_size);
}
int
fileinode(char *s)
{
#ifndef __EMX__
struct stat st;
EDBUG(9, "filesize");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (stat(s, &st) < 0)
EDBUG_RETURN(0);
EDBUG_RETURN((int)st.st_ino);
#else
EDBUG_RETURN(0);
#endif
}
int
filedev(char *s)
{
struct stat st;
EDBUG(9, "filesize");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (stat(s, &st) < 0)
EDBUG_RETURN(0);
EDBUG_RETURN((int)st.st_dev);
}
void
cd(char *s)
{
EDBUG(9, "cd");
if ((!s) || (!*s))
EDBUG_RETURN_;
chdir(s);
EDBUG_RETURN_;
}
char *
cwd(void)
{
char *s;
char ss[FILEPATH_LEN_MAX];
EDBUG(9, "cwd");
getcwd(ss, FILEPATH_LEN_MAX);
s = duplicate(ss);
EDBUG_RETURN(s);
}
int
permissions(char *s)
{
struct stat st;
EDBUG(9, "permissions");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (!stat(s, &st) < 0)
EDBUG_RETURN(0);
EDBUG_RETURN(st.st_mode);
}
int
owner(char *s)
{
struct stat st;
EDBUG(9, "owner");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (!stat(s, &st) < 0)
EDBUG_RETURN(0);
EDBUG_RETURN(st.st_uid);
}
int
group(char *s)
{
struct stat st;
EDBUG(9, "group");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (!stat(s, &st) < 0)
EDBUG_RETURN(0);
EDBUG_RETURN(st.st_gid);
}
char *
username(int uid)
{
char *s;
#ifndef __EMX__
static int usr_uid = -1;
static char *usr_s = NULL;
struct passwd *pwd;
EDBUG(9, "username");
if (usr_uid < 0)
usr_uid = getuid();
if ((uid == usr_uid) && (usr_s))
EDBUG_RETURN(duplicate(usr_s));
pwd = getpwuid(uid);
if (pwd)
{
s = duplicate(pwd->pw_name);
if (uid == usr_uid)
usr_s = duplicate(s);
EDBUG_RETURN(s);
}
#else
if ((s = getenv("USER")) != NULL)
EDBUG_RETURN(duplicate(s));
#endif
EDBUG_RETURN(duplicate("unknown"));
}
char *
homedir(int uid)
{
char *s;
#ifndef __EMX__
static int usr_uid = -1;
static char *usr_s = NULL;
struct passwd *pwd;
EDBUG(9, "homedir");
if (usr_uid < 0)
usr_uid = getuid();
if ((uid == usr_uid) && (usr_s))
{
EDBUG_RETURN(duplicate(usr_s));
}
pwd = getpwuid(uid);
if (pwd)
{
s = duplicate(pwd->pw_dir);
if (uid == usr_uid)
usr_s = duplicate(s);
EDBUG_RETURN(s);
}
#else
if ((s = getenv("HOME")) != NULL)
EDBUG_RETURN(_fnslashify(duplicate(s)));
if ((s = getenv("TMP")) != NULL)
EDBUG_RETURN(_fnslashify(duplicate(s)));
#endif
EDBUG_RETURN(duplicate((getenv("TMPDIR") == NULL) ? "/tmp"
: getenv("TMPDIR")));
}
char *
usershell(int uid)
{
#ifndef __EMX__
char *s;
static int usr_uid = -1;
static char *usr_s = NULL;
struct passwd *pwd;
EDBUG(9, "usershell");
if (usr_uid < 0)
usr_uid = getuid();
if ((uid == usr_uid) && (usr_s))
return duplicate(usr_s);
pwd = getpwuid(uid);
if (pwd)
{
if (!pwd->pw_shell)
EDBUG_RETURN(duplicate("/bin/sh"));
if (strlen(pwd->pw_shell) < 1)
EDBUG_RETURN(duplicate("/bin/sh"));
if (!(canexec(pwd->pw_shell)))
EDBUG_RETURN(duplicate("/bin/sh"));
s = duplicate(pwd->pw_shell);
if (uid == usr_uid)
usr_s = duplicate(s);
EDBUG_RETURN(s);
}
EDBUG_RETURN(duplicate("/bin/sh"));
#else
EDBUG_RETURN(duplicate("sh.exe"));
#endif
}
char *
atword(char *s, int num)
{
int cnt, i;
EDBUG(9, "atword");
if (!s)
EDBUG_RETURN(NULL);
cnt = 0;
i = 0;
while (s[i])
{
if ((s[i] != ' ') && (s[i] != '\t'))
{
if (i == 0)
cnt++;
else if ((s[i - 1] == ' ') || (s[i - 1] == '\t'))
cnt++;
if (cnt == num)
EDBUG_RETURN(&s[i]);
}
i++;
}
EDBUG_RETURN(NULL);
}
char *
atchar(char *s, char c)
{
int i;
EDBUG(9, "atchar");
if (!s)
EDBUG_RETURN(NULL);
i = 0;
while (s[i] != 0)
{
if (s[i] == c)
EDBUG_RETURN(&s[i]);
i++;
}
EDBUG_RETURN(NULL);
}
char *
getword(char *s, int num)
{
/* *********FIXME**************
* This function is broken but it isn't in use so I'll fix it later
* (DO NOT USE UNTIL FIXED
*/
int cnt, i;
char *start, *finish, *ss, *w;
char *wd = NULL;
EDBUG(9, "getword");
if (!s)
EDBUG_RETURN(NULL);
if (!wd)
EDBUG_RETURN(NULL);
if (num <= 0)
{
*wd = 0;
EDBUG_RETURN(NULL);
}
cnt = 0;
i = 0;
start = NULL;
finish = NULL;
ss = NULL;
w = wd;
while (s[i])
{
if ((cnt == num) && ((s[i] == ' ') || (s[i] == '\t')))
{
finish = &s[i];
break;
}
if ((s[i] != ' ') && (s[i] != '\t'))
{
if (i == 0)
{
cnt++;
if (cnt == num)
start = &s[i];
}
else if ((s[i - 1] == ' ') || (s[i - 1] == '\t'))
{
cnt++;
if (cnt == num)
start = &s[i];
}
}
i++;
}
if (cnt == num)
{
if ((start) && (finish))
{
for (ss = start; ss < finish; ss++)
*wd++ = *ss;
}
else if (start)
{
for (ss = start; *ss != 0; ss++)
*wd++ = *ss;
}
*wd = 0;
}
EDBUG_RETURN(wd);
}
void
word(char *s, int num, char *wd)
{
int cnt, i;
char *start, *finish, *ss, *w;
EDBUG(9, "word");
if (!s)
EDBUG_RETURN_;
if (!wd)
EDBUG_RETURN_;
if (num <= 0)
{
*wd = 0;
EDBUG_RETURN_;
}
cnt = 0;
i = 0;
start = NULL;
finish = NULL;
ss = NULL;
w = wd;
while (s[i])
{
if ((cnt == num) && ((s[i] == ' ') || (s[i] == '\t')))
{
finish = &s[i];
break;
}
if ((s[i] != ' ') && (s[i] != '\t'))
{
if (i == 0)
{
cnt++;
if (cnt == num)
start = &s[i];
}
else if ((s[i - 1] == ' ') || (s[i - 1] == '\t'))
{
cnt++;
if (cnt == num)
start = &s[i];
}
}
i++;
}
if (cnt == num)
{
if ((start) && (finish))
{
for (ss = start; ss < finish; ss++)
*wd++ = *ss;
}
else if (start)
{
for (ss = start; *ss != 0; ss++)
*wd++ = *ss;
}
*wd = 0;
}
EDBUG_RETURN_;
}
/* gets word number [num] in the string [s] and copies it into [wd] */
/* wd is NULL terminated. If word [num] does not exist wd = "" */
/* NB: this function now handles quotes so for a line: */
/* Hello to "Welcome sir - may I Help" Shub Foo */
/* Word 1 = Hello */
/* Word 2 = to */
/* Word 3 = Welcome sir - may I Help */
/* Word 4 = Shub */
/* word 5 = Foo */
void
fword(char *s, int num, char *wd)
{
char *cur, *start, *end;
int count, inword, inquote, len;
EDBUG(9, "word");
if (!s)
EDBUG_RETURN_;
if (!wd)
EDBUG_RETURN_;
*wd = 0;
if (num <= 0)
EDBUG_RETURN_;
cur = s;
count = 0;
inword = 0;
inquote = 0;
start = NULL;
end = NULL;
while ((*cur) && (count < num))
{
if (inword)
{
if (inquote)
{
if (*cur == '"')
{
inquote = 0;
inword = 0;
end = cur;
count++;
}
}
else
{
if (isspace(*cur))
{
end = cur;
inword = 0;
count++;
}
}
}
else
{
if (!isspace(*cur))
{
if (*cur == '"')
{
inquote = 1;
start = cur + 1;
}
else
start = cur;
inword = 1;
}
}
if (count == num)
break;
cur++;
}
if (!start)
EDBUG_RETURN_;
if (!end)
end = cur;
if (end <= start)
EDBUG_RETURN_;
len = (int)(end - start);
if (len > 4000)
len = 4000;
if (len > 0)
{
strncpy(wd, start, len);
wd[len] = 0;
}
EDBUG_RETURN_;
}
char *
field(char *s, int field)
{
char buf[4096];
EDBUG(9, "field");
buf[0] = 0;
fword(s, field + 1, buf);
if (buf[0])
{
if ((!strcmp(buf, "NULL")) || (!strcmp(buf, "(null)")))
EDBUG_RETURN(NULL);
EDBUG_RETURN(duplicate(buf));
}
EDBUG_RETURN(NULL);
}
int
fillfield(char *s, int field, char *buf)
{
EDBUG(9, "fillfield");
if (!buf)
EDBUG_RETURN(0);
buf[0] = 0;
fword(s, field + 1, buf);
if (buf[0])
{
if ((!strcmp(buf, "NULL")) || (!strcmp(buf, "(null)")))
{
buf[0] = 0;
EDBUG_RETURN(0);
}
EDBUG_RETURN(1);
}
EDBUG_RETURN(0);
}
int
canread(char *s)
{
EDBUG(9, "canread");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (!(permissions(s) & (S_IRUSR | S_IRGRP | S_IROTH)))
EDBUG_RETURN(0);
EDBUG_RETURN(1 + access(s, R_OK));
}
int
canwrite(char *s)
{
EDBUG(9, "canwrite");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (!(permissions(s) & (S_IWUSR | S_IWGRP | S_IWOTH)))
EDBUG_RETURN(0);
EDBUG_RETURN(1 + access(s, W_OK));
}
int
canexec(char *s)
{
EDBUG(9, "canexec");
if ((!s) || (!*s))
EDBUG_RETURN(0);
if (!(permissions(s) & (S_IXUSR | S_IXGRP | S_IXOTH)))
EDBUG_RETURN(0);
EDBUG_RETURN(1 + access(s, X_OK));
}
char *
fileof(char *s)
{
char ss[1024];
int i, p1, p2;
EDBUG(9, "fileof");
i = 0;
p1 = -1;
p2 = -1;
for (i = strlen(s) - 1; i >= 0; i--)
{
if ((s[i] == '.') && (p2 < 0) && (p1 < 0))
p2 = i - 1;
if ((s[i] == '/') && (p1 < 0))
p1 = i + 1;
}
if (p2 < 0)
p2 = strlen(s) - 1;
if (p1 < 0)
p1 = 0;
if (p2 <= 0)
EDBUG_RETURN(duplicate(""));
for (i = 0; i <= (p2 - p1); i++)
ss[i] = s[p1 + i];
ss[i] = 0;
EDBUG_RETURN(duplicate(ss));
}
char *
fullfileof(char *s)
{
char ss[1024];
int i, p1, p2;
EDBUG(9, "fullfileof");
i = 0;
p1 = -1;
for (i = strlen(s) - 1; i >= 0; i--)
{
if ((s[i] == '/') && (p1 < 0))
p1 = i + 1;
}
if (p1 < 0)
p1 = 0;
p2 = strlen(s);
for (i = 0; i < (p2 - p1); i++)
ss[i] = s[p1 + i];
ss[i] = 0;
EDBUG_RETURN(duplicate(ss));
}
char *
pathtoexec(char *file)
{
char *p, *cp, *ep;
char *s;
int len, exelen;
EDBUG(9, "pathtoexec");
#ifndef __EMX__
if (file[0] == '/')
#else
if (_fnisabs(file))
#endif
{
if (canexec(file))
EDBUG_RETURN(duplicate(file));
#ifdef __EMX__
len = strlen(file);
s = Emalloc(len + 5);
strcpy(s, file);
strcat(s, ".cmd");
if (canexec(s))
EDBUG_RETURN(s);
strcpy(s + len, ".exe");
if (canexec(s))
EDBUG_RETURN(s);
Efree(s);
if (file[0] != '/' && file[0] != '\\')
EDBUG_RETURN(NULL);
file = __XOS2RedirRoot(file);
if (canexec(file))
EDBUG_RETURN(duplicate(file));
len = strlen(file);
s = Emalloc(len + 5);
strcpy(s, file);
strcat(s, ".cmd");
if (canexec(s))
EDBUG_RETURN(s);
strcpy(s + len, ".exe");
if (canexec(s))
EDBUG_RETURN(s);
Efree(s);
#endif
EDBUG_RETURN(NULL);
}
p = getenv("PATH");
if (!p)
EDBUG_RETURN(duplicate(file));
if (!file)
EDBUG_RETURN(NULL);
#ifndef __EMX__
cp = p;
exelen = strlen(file);
while ((ep = strchr(cp, ':')))
#else
cp = p = _fnslashify(strdup(p));
exelen = strlen(file) + 4;
while ((ep = strchr(cp, ';')))
#endif
{
len = ep - cp;
s = Emalloc(len + 1);
if (s)
{
strncpy(s, cp, len);
s[len] = 0;
s = Erealloc(s, len + 2 + exelen);
#ifdef __EMX__
if (s[len - 1] != '/')
#endif
strcat(s, "/");
strcat(s, file);
if (canexec(s))
#ifndef __EMX__
EDBUG_RETURN(s);
#else
{
free(p);
EDBUG_RETURN(s);
}
strcat(s, ".cmd");
if (canexec(s))
{
free(p);
EDBUG_RETURN(s);
}
strcpy(s + strlen(s) - 3, "exe");
if (canexec(s))
{
free(p);
EDBUG_RETURN(s);
}
#endif
Efree(s);
}
cp = ep + 1;
}
len = strlen(cp);
s = Emalloc(len + 1);
if (s)
{
strncpy(s, cp, len);
s[len] = 0;
s = Erealloc(s, len + 2 + exelen);
#ifdef __EMX__
if (s[len - 1] != '/')
#endif
strcat(s, "/");
strcat(s, file);
if (canexec(s))
EDBUG_RETURN(s);
Efree(s);
}
EDBUG_RETURN(NULL);
}
char *
pathtofile(char *file)
{
char *p, *cp, *ep;
char *s;
int len, exelen;
EDBUG(9, "pathtofile");
#ifndef __EMX__
if (file[0] == '/')
#else
if (_fnisabs(file))
#endif
{
if (exists(file))
EDBUG_RETURN(duplicate(file));
}
p = getenv("PATH");
if (!p)
EDBUG_RETURN(duplicate(file));
if (!file)
EDBUG_RETURN(NULL);
cp = p;
exelen = strlen(file);
#ifndef __EMX__
while ((ep = strchr(cp, ':')))
#else
cp = p = _fnslashify(strdup(p));
while ((ep = strchr(cp, ';')))
#endif
{
len = ep - cp;
s = Emalloc(len + 1);
if (s)
{
strncpy(s, cp, len);
s[len] = 0;
s = Erealloc(s, len + 2 + exelen);
#ifdef __EMX__
if (s[len - 1] != '/')
#endif
strcat(s, "/");
strcat(s, file);
if (exists(s))
#ifndef __EMX__
EDBUG_RETURN(s);
#else
{
free(p);
EDBUG_RETURN(s);
}
#endif
Efree(s);
}
cp = ep + 1;
}
len = strlen(cp);
s = Emalloc(len + 1);
if (s)
{
strncpy(s, cp, len);
s[len] = 0;
s = Erealloc(s, len + 2 + exelen);
#ifdef __EMX__
if (s[len - 1] != '/')
#endif
strcat(s, "/");
strcat(s, file);
if (exists(s))
#ifndef __EMX__
EDBUG_RETURN(s);
#else
{
free(p);
EDBUG_RETURN(s);
}
#endif
Efree(s);
}
#ifdef __EMX__
free(p);
#endif
EDBUG_RETURN(NULL);
}
int
findLocalizedFile(char *fname)
{
#ifndef __EMX__
char *tmp, *lang, *p[3];
int i;
if (!(lang = setlocale(LC_MESSAGES, NULL)))
return 0;
tmp = strdup(fname);
lang = strdup(lang); /* lang may be in static space, thus it must
* be duplicated before we change it below */
p[0] = lang + strlen(lang);
p[1] = strchr(lang, '.');
p[2] = strchr(lang, '_');
for (i = 0; i < 3; i++)
{
if (p[i] == NULL)
continue;
*p[i] = '\0';
sprintf(fname, "%s.%s", tmp, lang);
if (isfile(fname))
{
free(tmp);
free(lang);
return 1;
}
}
strcpy(fname, tmp);
free(tmp);
free(lang);
#endif
return 0;
}
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