You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
366 lines
7.7 KiB
366 lines
7.7 KiB
/* This file is part of the KDE libraries
|
|
Copyright (c) 2000 The KDE Project
|
|
|
|
unsetenv() taken from the GNU C Library.
|
|
Copyright (C) 1992,1995-1999,2000-2002 Free Software Foundation, Inc.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License version 2 as published by the Free Software Foundation.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "kdelibs_export.h"
|
|
|
|
#include <config.h>
|
|
|
|
#ifdef _WIN32
|
|
#include <kde_file_win.h>
|
|
#define KDE_open kdewin32_open
|
|
#define KDE_mkdir kdewin32_mkdir
|
|
#else
|
|
#define KDE_open open
|
|
#define KDE_mkdir mkdir
|
|
#endif
|
|
|
|
#ifndef HAVE_SETENV
|
|
|
|
#ifdef HAVE_ALLOCA_H
|
|
#include <alloca.h>
|
|
#endif
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
KDECORE_EXPORT int setenv(const char *name, const char *value, int overwrite) {
|
|
int i;
|
|
char * a;
|
|
|
|
if (!overwrite && getenv(name)) return 0;
|
|
|
|
i = strlen(name) + strlen(value) + 2;
|
|
a = (char*)malloc(i);
|
|
if (!a) return 1;
|
|
|
|
strcpy(a, name);
|
|
strcat(a, "=");
|
|
strcat(a, value);
|
|
|
|
return putenv(a);
|
|
}
|
|
#endif /* !HAVE_SETENV */
|
|
|
|
#ifndef HAVE_UNSETENV
|
|
|
|
#ifdef HAVE_ALLOCA_H
|
|
#include <alloca.h>
|
|
#endif
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#ifndef environ
|
|
extern char ** environ;
|
|
#endif
|
|
|
|
KDECORE_EXPORT void unsetenv (name)
|
|
const char *name;
|
|
{
|
|
size_t len;
|
|
char **ep;
|
|
|
|
if (name == NULL || *name == '\0' || strchr (name, '=') != NULL)
|
|
{
|
|
errno = EINVAL;
|
|
return;
|
|
}
|
|
|
|
len = strlen (name);
|
|
|
|
ep = environ;
|
|
while (*ep != NULL)
|
|
if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
|
|
{
|
|
/* Found it. Remove this pointer by moving later ones back. */
|
|
char **dp = ep;
|
|
|
|
do
|
|
dp[0] = dp[1];
|
|
while (*dp++);
|
|
/* Continue the loop in case NAME appears again. */
|
|
}
|
|
else
|
|
++ep;
|
|
|
|
}
|
|
|
|
#endif /* !HAVE_UNSETENV */
|
|
|
|
#ifndef HAVE_USLEEP
|
|
|
|
#if TIME_WITH_SYS_TIME
|
|
# include <sys/time.h>
|
|
# include <time.h>
|
|
#else
|
|
# if defined(HAVE_SYS_TIME_H)
|
|
# include <sys/time.h>
|
|
# else
|
|
# include <time.h>
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_SELECT_H
|
|
#include <sys/select.h>
|
|
#endif
|
|
|
|
#ifdef __cplusplus /* this is supposed to be a C source file but still.. */
|
|
extern "C" {
|
|
#endif
|
|
|
|
void usleep(unsigned int usec) {
|
|
struct timeval _usleep_tv;
|
|
_usleep_tv.tv_sec = usec/1000000;
|
|
_usleep_tv.tv_usec = usec%1000000;
|
|
select(0,0,0,0,&_usleep_tv);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* !HAVE_USLEEP */
|
|
|
|
#ifndef HAVE_RANDOM
|
|
long int random()
|
|
{
|
|
return lrand48();
|
|
}
|
|
|
|
void srandom(unsigned int seed)
|
|
{
|
|
srand48(seed);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_SETEUID
|
|
int seteuid(uid_t euid)
|
|
{
|
|
return setreuid(-1, euid); /* Well, if you have neither you are in trouble :) */
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_MKSTEMPS
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_SYS_STAT_H
|
|
#include <sys/stat.h>
|
|
#endif
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <stdlib.h>
|
|
|
|
/* this is based on code taken from the GNU libc, distributed under the LGPL license */
|
|
|
|
/* Generate a unique temporary file name from TEMPLATE.
|
|
|
|
TEMPLATE has the form:
|
|
|
|
<path>/ccXXXXXX<suffix>
|
|
|
|
SUFFIX_LEN tells us how long <suffix> is (it can be zero length).
|
|
|
|
The last six characters of TEMPLATE before <suffix> must be "XXXXXX";
|
|
they are replaced with a string that makes the filename unique.
|
|
|
|
Returns a file descriptor open on the file for reading and writing. */
|
|
|
|
KDECORE_EXPORT int mkstemps (char* _template, int suffix_len)
|
|
{
|
|
static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
|
|
char *XXXXXX;
|
|
int len;
|
|
int count;
|
|
int value;
|
|
|
|
len = strlen (_template);
|
|
|
|
if ((int) len < 6 + suffix_len || strncmp (&_template[len - 6 - suffix_len], "XXXXXX", 6))
|
|
return -1;
|
|
|
|
XXXXXX = &_template[len - 6 - suffix_len];
|
|
|
|
value = rand();
|
|
for (count = 0; count < 256; ++count)
|
|
{
|
|
int v = value;
|
|
int fd;
|
|
|
|
/* Fill in the random bits. */
|
|
XXXXXX[0] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[1] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[2] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[3] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[4] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[5] = letters[v % 62];
|
|
|
|
fd = KDE_open (_template, O_RDWR|O_CREAT|O_EXCL, 0600);
|
|
if (fd >= 0)
|
|
/* The file does not exist. */
|
|
return fd;
|
|
|
|
/* This is a random value. It is only necessary that the next
|
|
TMP_MAX values generated by adding 7777 to VALUE are different
|
|
with (module 2^32). */
|
|
value += 7777;
|
|
}
|
|
/* We return the null string if we can't find a unique file name. */
|
|
_template[0] = '\0';
|
|
return -1;
|
|
}
|
|
|
|
#endif /* !HAVE_MKSTEMPS */
|
|
|
|
#ifndef HAVE_MKSTEMP
|
|
KDECORE_EXPORT int mkstemp (char* _template)
|
|
{
|
|
return mkstemps( _template, 0 );
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_MKDTEMP
|
|
|
|
#ifndef HAVE_MKSTEMPS
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_SYS_STAT_H
|
|
#include <sys/stat.h>
|
|
#endif
|
|
#endif
|
|
|
|
/* Generate a unique temporary directory name from TEMPLATE.
|
|
|
|
TEMPLATE has the form:
|
|
|
|
<path>/ccXXXXXX
|
|
|
|
|
|
The last six characters of TEMPLATE must be "XXXXXX";
|
|
they are replaced with a string that makes the filename unique.
|
|
|
|
Returns a file descriptor open on the file for reading and writing. */
|
|
|
|
KDECORE_EXPORT char* mkdtemp (char* _template)
|
|
{
|
|
static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
|
|
char *XXXXXX;
|
|
int len;
|
|
int count;
|
|
int value;
|
|
|
|
len = strlen (_template);
|
|
|
|
if ((int) len < 6 || strncmp (&_template[len - 6], "XXXXXX", 6))
|
|
return 0;
|
|
|
|
XXXXXX = &_template[len - 6];
|
|
|
|
value = rand();
|
|
for (count = 0; count < 256; ++count)
|
|
{
|
|
int v = value;
|
|
|
|
/* Fill in the random bits. */
|
|
XXXXXX[0] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[1] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[2] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[3] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[4] = letters[v % 62];
|
|
v /= 62;
|
|
XXXXXX[5] = letters[v % 62];
|
|
|
|
/* This is a random value. It is only necessary that the next
|
|
TMP_MAX values generated by adding 7777 to VALUE are different
|
|
with (module 2^32). */
|
|
value += 7777;
|
|
|
|
if (!KDE_mkdir(_template,0700))
|
|
return _template;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif /* !HAVE_MKDTEMP */
|
|
|
|
#ifndef HAVE_REVOKE
|
|
#include <errno.h>
|
|
#ifndef ENOTSUP
|
|
#define ENOTSUP 134 /* Not supported */
|
|
#endif
|
|
KDECORE_EXPORT int revoke(const char *tty)
|
|
{
|
|
errno = ENOTSUP;
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_STRLCPY
|
|
#include <string.h>
|
|
KDECORE_EXPORT unsigned long strlcpy(char* d, const char* s, unsigned long bufsize)
|
|
{
|
|
unsigned long len, ret = strlen(s);
|
|
|
|
if (ret >= bufsize) {
|
|
if (bufsize) {
|
|
len = bufsize - 1;
|
|
memcpy(d, s, len);
|
|
d[len] = '\0';
|
|
}
|
|
} else
|
|
memcpy(d, s, ret + 1);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_STRLCAT
|
|
#include <string.h>
|
|
KDECORE_EXPORT unsigned long strlcat(char* d, const char* s, unsigned long bufsize)
|
|
{
|
|
char *cp;
|
|
unsigned long ret, len1, len2 = strlen(s);
|
|
|
|
cp = memchr (d, '\0', bufsize);
|
|
if (!cp)
|
|
return bufsize + len2;
|
|
len1 = cp - d;
|
|
ret = len1 + len2;
|
|
if (ret >= bufsize) {
|
|
len2 = bufsize - len1 - 1;
|
|
memcpy(cp, s, len2);
|
|
cp[len2] = '\0';
|
|
} else
|
|
memcpy(cp, s, len2 + 1);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|