dd3b512daf
* NEW: Update copyrights. git-svn-id: svn://localhost/gambas/trunk@4384 867c0c6c-44f3-4631-809d-bfa615b0a4ec
960 lines
16 KiB
C
960 lines
16 KiB
C
/***************************************************************************
|
|
|
|
gb_file_temp.h
|
|
|
|
(c) 2000-2012 Benoît Minisini <gambas@users.sourceforge.net>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA.
|
|
|
|
***************************************************************************/
|
|
|
|
#define __GB_FILE_C
|
|
|
|
#include "config.h"
|
|
|
|
#include "gb_common.h"
|
|
#include "gb_error.h"
|
|
#include "gb_limit.h"
|
|
#include "gb_component.h"
|
|
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/stat.h>
|
|
#include <dirent.h>
|
|
|
|
#ifdef PROJECT_EXEC
|
|
|
|
#if defined(OS_FREEBSD) || defined(OS_OPENBSD)
|
|
#include <sys/mount.h>
|
|
#else
|
|
#include <sys/statfs.h>
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#include "gb_file.h"
|
|
|
|
#ifdef PROJECT_EXEC
|
|
|
|
//FILE_STAT FILE_stat_info = { 0 };
|
|
|
|
static DIR *file_dir = NULL;
|
|
static char *file_pattern = NULL;
|
|
static char *file_path = NULL;
|
|
static bool file_dir_arch = FALSE;
|
|
static int file_attr;
|
|
static char *file_rdir_path = NULL;
|
|
|
|
#endif
|
|
|
|
static char file_buffer[PATH_MAX + 16];
|
|
static int file_buffer_length;
|
|
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
#undef _DIRENT_HAVE_D_TYPE
|
|
#endif
|
|
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
static bool _last_is_dir;
|
|
#endif
|
|
|
|
#ifdef PROJECT_EXEC
|
|
|
|
typedef
|
|
struct _path {
|
|
struct _path *next;
|
|
char *path;
|
|
}
|
|
FILE_PATH;
|
|
|
|
|
|
static void push_path(void **list, const char *path)
|
|
{
|
|
FILE_PATH *slot;
|
|
|
|
ALLOC(&slot, sizeof(FILE_PATH), "push_path");
|
|
slot->path = STRING_new_zero(path);
|
|
|
|
slot->next = *list;
|
|
*list = slot;
|
|
|
|
//printf("push_path: %s\n", path);
|
|
}
|
|
|
|
|
|
static char *pop_path(void **list)
|
|
{
|
|
char *path;
|
|
FILE_PATH *slot;
|
|
|
|
if (!*list)
|
|
return NULL;
|
|
|
|
path = ((FILE_PATH *)*list)->path;
|
|
slot = *list;
|
|
*list = ((FILE_PATH *)*list)->next;
|
|
FREE(&slot, "pop_path");
|
|
|
|
//printf("pop_path: %s\n", path);
|
|
return path;
|
|
}
|
|
|
|
|
|
static void dir_exit(void)
|
|
{
|
|
if (file_dir != NULL)
|
|
{
|
|
closedir(file_dir);
|
|
file_dir = NULL;
|
|
}
|
|
|
|
STRING_free(&file_pattern);
|
|
STRING_free(&file_path);
|
|
}
|
|
|
|
|
|
char *FILE_make_temp(int *len, const char *pattern)
|
|
{
|
|
static int count = 0;
|
|
|
|
if (len)
|
|
{
|
|
if (pattern)
|
|
*len = snprintf(file_buffer, sizeof(file_buffer), FILE_TEMP_PATTERN, (int)getuid(), (int)getpid(), pattern);
|
|
else
|
|
{
|
|
count++;
|
|
*len = snprintf(file_buffer, sizeof(file_buffer), FILE_TEMP_FILE, (int)getuid(), (int)getpid(), count);
|
|
}
|
|
}
|
|
else
|
|
snprintf(file_buffer, sizeof(file_buffer), FILE_TEMP_DIR, (int)getuid(), (int)getpid());
|
|
|
|
return file_buffer;
|
|
}
|
|
|
|
static void remove_temp_file(const char *path)
|
|
{
|
|
if (FILE_is_dir(path))
|
|
{
|
|
//fprintf(stderr, "rmdir: %s\n", path);
|
|
rmdir(path);
|
|
}
|
|
else
|
|
{
|
|
//fprintf(stderr, "unlink: %s\n", path);
|
|
unlink(path);
|
|
}
|
|
}
|
|
|
|
void FILE_remove_temp_file(void)
|
|
{
|
|
FILE_recursive_dir(FILE_make_temp(NULL, NULL), NULL, remove_temp_file, 0, FALSE);
|
|
rmdir(FILE_make_temp(NULL, NULL));
|
|
}
|
|
|
|
void FILE_init(void)
|
|
{
|
|
FILE_remove_temp_file();
|
|
|
|
snprintf(file_buffer, sizeof(file_buffer), FILE_TEMP_PREFIX, (int)getuid());
|
|
mkdir(file_buffer, S_IRWXU);
|
|
snprintf(file_buffer, sizeof(file_buffer), FILE_TEMP_DIR, (int)getuid(), (int)getpid());
|
|
mkdir(file_buffer, S_IRWXU);
|
|
}
|
|
|
|
void FILE_exit(void)
|
|
{
|
|
FILE_remove_temp_file();
|
|
STRING_free(&file_rdir_path);
|
|
dir_exit();
|
|
}
|
|
|
|
#endif
|
|
|
|
static char *stradd(char *d, const char *s)
|
|
{
|
|
for(;;)
|
|
{
|
|
if ((*d = *s) == 0)
|
|
break;
|
|
d++;
|
|
s++;
|
|
}
|
|
|
|
return d;
|
|
}
|
|
|
|
/*#define stradd(d, s) \
|
|
({ \
|
|
char *_d = (d); \
|
|
const char *_s = (s); \
|
|
\
|
|
for(;;) \
|
|
{ \
|
|
if ((*_d = *_s) == 0) \
|
|
break; \
|
|
\
|
|
_d++; \
|
|
_s++; \
|
|
} \
|
|
\
|
|
_d; \
|
|
})*/
|
|
|
|
const char *FILE_cat(const char *path, ...)
|
|
{
|
|
char *p;
|
|
va_list args;
|
|
int len;
|
|
bool end_slash = FALSE;
|
|
bool add_slash = FALSE;
|
|
|
|
va_start(args, path);
|
|
|
|
p = file_buffer;
|
|
|
|
if (path != file_buffer)
|
|
*p = 0;
|
|
|
|
for(;;)
|
|
{
|
|
if (*path == '/' && p != file_buffer)
|
|
path++;
|
|
|
|
len = strlen(path);
|
|
if (add_slash)
|
|
len++;
|
|
|
|
if (len > 0)
|
|
{
|
|
if ((p + len) > &file_buffer[PATH_MAX])
|
|
return NULL;
|
|
|
|
if (p != path)
|
|
{
|
|
if (add_slash)
|
|
p = stradd(p, "/");
|
|
|
|
p = stradd(p, path);
|
|
}
|
|
else
|
|
p += len;
|
|
|
|
end_slash = (p[-1] == '/');
|
|
}
|
|
|
|
path = va_arg(args, char *);
|
|
if (path == NULL)
|
|
break;
|
|
|
|
add_slash = ((!end_slash) && (*path != 0) && (*path != '/'));
|
|
}
|
|
|
|
file_buffer_length = p - file_buffer;
|
|
return file_buffer;
|
|
}
|
|
|
|
|
|
char *FILE_buffer(void)
|
|
{
|
|
return file_buffer;
|
|
}
|
|
|
|
|
|
int FILE_buffer_length(void)
|
|
{
|
|
if (file_buffer_length < 0)
|
|
file_buffer_length = strlen(file_buffer);
|
|
|
|
return file_buffer_length;
|
|
}
|
|
|
|
const char *FILE_get_dir(const char *path)
|
|
{
|
|
char *p;
|
|
|
|
if (path == NULL || path[0] == 0)
|
|
return NULL;
|
|
|
|
if (path[0] == '/' && path[1] == 0)
|
|
return "/";
|
|
|
|
if (file_buffer != path)
|
|
strcpy(file_buffer, path);
|
|
|
|
p = rindex(file_buffer, '/');
|
|
|
|
if (p == NULL)
|
|
*file_buffer = 0;
|
|
else
|
|
{
|
|
*p = 0;
|
|
|
|
if (file_buffer[0] == 0 && path[0] == '/')
|
|
strcpy(file_buffer, "/");
|
|
}
|
|
|
|
file_buffer_length = -1;
|
|
return file_buffer;
|
|
}
|
|
|
|
|
|
const char *FILE_get_name(const char *path)
|
|
{
|
|
const char *p;
|
|
|
|
p = rindex(path, '/');
|
|
if (p)
|
|
return &p[1];
|
|
else
|
|
return path;
|
|
}
|
|
|
|
|
|
const char *FILE_get_ext(const char *path)
|
|
{
|
|
const char *p;
|
|
|
|
p = rindex(path, '/');
|
|
if (p)
|
|
path = &p[1];
|
|
|
|
p = rindex(path, '.');
|
|
if (p == NULL)
|
|
return &path[strlen(path)];
|
|
else
|
|
return p + 1;
|
|
}
|
|
|
|
|
|
const char *FILE_set_ext(const char *path, const char *ext)
|
|
{
|
|
char *p;
|
|
|
|
if (path != file_buffer)
|
|
{
|
|
strcpy(file_buffer, path);
|
|
path = file_buffer;
|
|
}
|
|
|
|
p = (char *)FILE_get_ext(path);
|
|
|
|
if (!ext)
|
|
{
|
|
if (p > file_buffer && p[-1] == '.')
|
|
p[-1] = 0;
|
|
else
|
|
*p = 0;
|
|
return path;
|
|
}
|
|
|
|
if (&p[strlen(ext)] >= &file_buffer[PATH_MAX])
|
|
return path;
|
|
|
|
if (p == path || p[-1] != '.')
|
|
*p++ = '.';
|
|
|
|
if (*ext == '.')
|
|
ext++;
|
|
|
|
strcpy(p, ext);
|
|
|
|
file_buffer_length = -1;
|
|
return path;
|
|
}
|
|
|
|
|
|
const char *FILE_get_basename(const char *path)
|
|
{
|
|
char *p;
|
|
|
|
path = FILE_get_name(path);
|
|
|
|
if (file_buffer != path)
|
|
strcpy(file_buffer, path);
|
|
|
|
p = rindex(file_buffer, '.');
|
|
if (p)
|
|
*p = 0;
|
|
|
|
file_buffer_length = -1;
|
|
|
|
return file_buffer;
|
|
}
|
|
|
|
bool FILE_is_dir(const char *path)
|
|
{
|
|
struct stat buf;
|
|
|
|
#ifdef PROJECT_EXEC
|
|
|
|
if (FILE_is_relative(path))
|
|
{
|
|
/*if (!EXEC_arch)
|
|
{
|
|
chdir(PROJECT_path);
|
|
if (lstat(path, &buf) == 0)
|
|
goto __OK;
|
|
}*/
|
|
|
|
return ARCHIVE_is_dir(NULL, path);
|
|
}
|
|
|
|
#endif
|
|
|
|
if (stat(path, &buf))
|
|
return FALSE;
|
|
|
|
/*#ifdef PROJECT_EXEC
|
|
__OK:
|
|
#endif*/
|
|
|
|
return (S_ISDIR(buf.st_mode));
|
|
}
|
|
|
|
|
|
#ifdef PROJECT_EXEC
|
|
|
|
bool FILE_exist_real(const char *path)
|
|
{
|
|
struct stat buf;
|
|
|
|
if (chdir(PROJECT_path)) return FALSE;
|
|
return (stat(path, &buf) == 0);
|
|
}
|
|
|
|
void FILE_stat(const char *path, FILE_STAT *info, bool follow)
|
|
{
|
|
struct stat buf;
|
|
int ret;
|
|
|
|
if (FILE_is_relative(path))
|
|
{
|
|
/*if (!EXEC_arch)
|
|
{
|
|
chdir(PROJECT_path);
|
|
if (lstat(path, &buf) == 0)
|
|
goto _OK;
|
|
}*/
|
|
|
|
ARCHIVE_stat(NULL, path, info);
|
|
return;
|
|
}
|
|
|
|
if (follow)
|
|
ret = stat(path, &buf);
|
|
else
|
|
ret = lstat(path, &buf);
|
|
|
|
if (ret)
|
|
THROW_SYSTEM(errno, path);
|
|
|
|
//_OK:
|
|
|
|
if (S_ISREG(buf.st_mode))
|
|
info->type = GB_STAT_FILE;
|
|
else if (S_ISDIR(buf.st_mode))
|
|
info->type = GB_STAT_DIRECTORY;
|
|
else if (S_ISCHR(buf.st_mode) || S_ISBLK(buf.st_mode))
|
|
info->type = GB_STAT_DEVICE;
|
|
else if (S_ISFIFO(buf.st_mode))
|
|
info->type = GB_STAT_PIPE;
|
|
else if (S_ISSOCK(buf.st_mode))
|
|
info->type = GB_STAT_SOCKET;
|
|
else if (S_ISLNK(buf.st_mode))
|
|
info->type = GB_STAT_LINK;
|
|
|
|
info->mode = buf.st_mode & 07777;
|
|
info->size = buf.st_size;
|
|
info->atime = (int)buf.st_atime;
|
|
info->mtime = (int)buf.st_mtime;
|
|
info->ctime = (int)buf.st_ctime;
|
|
info->hidden = (*FILE_get_name(path) == '.');
|
|
info->uid = buf.st_uid;
|
|
info->gid = buf.st_gid;
|
|
}
|
|
|
|
|
|
void FILE_dir_first(const char *path, const char *pattern, int attr)
|
|
{
|
|
dir_exit();
|
|
|
|
if (!path || *path == 0)
|
|
path = ".";
|
|
|
|
if (attr == (GB_STAT_FILE | GB_STAT_DIRECTORY))
|
|
attr = 0;
|
|
file_attr = attr;
|
|
|
|
if (FILE_is_relative(path))
|
|
{
|
|
/*if (!EXEC_arch)
|
|
{
|
|
chdir(PROJECT_path);
|
|
if (lstat(path, &buf) == 0)
|
|
goto _OK;
|
|
}*/
|
|
|
|
file_dir_arch = TRUE;
|
|
ARCHIVE_dir_first(NULL, path, pattern, attr);
|
|
return;
|
|
}
|
|
|
|
file_dir_arch = FALSE;
|
|
file_dir = opendir(path);
|
|
if (file_dir == NULL)
|
|
THROW_SYSTEM(errno, path);
|
|
|
|
file_pattern = STRING_new_zero(pattern);
|
|
file_path = STRING_new_zero(path);
|
|
}
|
|
|
|
|
|
bool FILE_dir_next(char **path, int *len)
|
|
{
|
|
struct dirent *entry;
|
|
int len_entry;
|
|
bool ret;
|
|
char *name;
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
#else
|
|
struct stat info;
|
|
char *p = file_buffer;
|
|
#endif
|
|
|
|
if (file_dir_arch)
|
|
{
|
|
ret = ARCHIVE_dir_next(path, len, file_attr);
|
|
if (ret)
|
|
file_dir_arch = FALSE;
|
|
return ret;
|
|
}
|
|
|
|
if (file_dir == NULL)
|
|
return TRUE;
|
|
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
#else
|
|
if (file_attr)
|
|
{
|
|
strcpy(p, file_path);
|
|
p += strlen(file_path);
|
|
if (p[-1] != '/' && (file_buffer[1] || file_buffer[0] != '/'))
|
|
*p++ = '/';
|
|
}
|
|
#endif
|
|
|
|
for(;;)
|
|
{
|
|
entry = readdir(file_dir);
|
|
if (entry == NULL)
|
|
{
|
|
dir_exit();
|
|
return TRUE;
|
|
}
|
|
|
|
name = entry->d_name;
|
|
|
|
if (name[0] == '.' && (name[1] == 0 || (name[1] == '.' && name[2] == 0)))
|
|
continue;
|
|
|
|
if (file_attr)
|
|
{
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
if ((file_attr == GB_STAT_DIRECTORY) ^ (entry->d_type == DT_DIR))
|
|
continue;
|
|
#else
|
|
strcpy(p, name);
|
|
if (stat(file_buffer, &info))
|
|
{
|
|
if (file_attr == GB_STAT_DIRECTORY)
|
|
continue;
|
|
}
|
|
else if ((file_attr == GB_STAT_DIRECTORY) ^ (S_ISDIR(info.st_mode) != 0))
|
|
continue;
|
|
#endif
|
|
}
|
|
|
|
len_entry = strlen(name);
|
|
|
|
if (file_pattern == NULL)
|
|
break;
|
|
|
|
if (REGEXP_match(file_pattern, STRING_length(file_pattern), name, len_entry))
|
|
break;
|
|
}
|
|
|
|
*path = name;
|
|
*len = len_entry;
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
_last_is_dir = entry->d_type == DT_DIR;
|
|
#endif
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
//#undef _DIRENT_HAVE_D_TYPE
|
|
|
|
void FILE_recursive_dir(const char *dir, void (*found)(const char *), void (*afterfound)(const char *), int attr, bool follow)
|
|
{
|
|
void *list = NULL;
|
|
void *dir_list = NULL;
|
|
char *file;
|
|
int len;
|
|
char *path;
|
|
//struct stat buf;
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
#else
|
|
FILE_STAT info;
|
|
#endif
|
|
char *temp;
|
|
bool is_dir;
|
|
|
|
if (!FILE_is_dir(dir))
|
|
return;
|
|
|
|
if (!dir || *dir == 0)
|
|
dir = ".";
|
|
|
|
STRING_free(&file_rdir_path);
|
|
file_rdir_path = STRING_new_zero(dir);
|
|
|
|
FILE_dir_first(dir, NULL, attr);
|
|
while (!FILE_dir_next(&file, &len))
|
|
{
|
|
temp = STRING_new_temp(file, len);
|
|
path = (char *)FILE_cat(file_rdir_path, temp, NULL);
|
|
#ifdef _DIRENT_HAVE_D_TYPE
|
|
is_dir = _last_is_dir;
|
|
#else
|
|
if (follow)
|
|
is_dir = FILE_is_dir(path);
|
|
else
|
|
{
|
|
FILE_stat(path, &info, FALSE);
|
|
is_dir = info.type == GB_STAT_DIRECTORY;
|
|
}
|
|
#endif
|
|
|
|
if (is_dir)
|
|
push_path(&dir_list, path);
|
|
else
|
|
push_path(&list, path);
|
|
}
|
|
|
|
while (dir_list)
|
|
{
|
|
path = pop_path(&dir_list);
|
|
//fprintf(stderr, "%s\n", path);
|
|
|
|
TRY
|
|
{
|
|
if (found) (*found)(path);
|
|
FILE_recursive_dir(path, found, afterfound, attr, follow);
|
|
if (afterfound) (*afterfound)(path);
|
|
}
|
|
CATCH
|
|
{
|
|
//ERROR_print_at(stdout);
|
|
}
|
|
END_TRY
|
|
|
|
STRING_free((char **)&path);
|
|
}
|
|
|
|
while (list)
|
|
{
|
|
path = pop_path(&list);
|
|
//fprintf(stderr, "%s\n", path);
|
|
|
|
TRY
|
|
{
|
|
if (found) (*found)(path);
|
|
if (afterfound) (*afterfound)(path);
|
|
}
|
|
CATCH
|
|
{
|
|
//ERROR_print_at(stdout);
|
|
}
|
|
END_TRY
|
|
|
|
STRING_free((char **)&path);
|
|
}
|
|
}
|
|
|
|
|
|
void FILE_rmdir(const char *path)
|
|
{
|
|
if (FILE_is_relative(path))
|
|
THROW(E_ACCESS);
|
|
|
|
if (rmdir(path) != 0)
|
|
THROW_SYSTEM(errno, path);
|
|
}
|
|
|
|
|
|
void FILE_mkdir(const char *path)
|
|
{
|
|
if (FILE_is_relative(path))
|
|
THROW(E_ACCESS);
|
|
|
|
if (mkdir(path, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) != 0)
|
|
THROW_SYSTEM(errno, path);
|
|
}
|
|
|
|
|
|
void FILE_make_path_dir(const char *path)
|
|
{
|
|
int i;
|
|
char c;
|
|
|
|
if (FILE_is_relative(path))
|
|
return;
|
|
|
|
if (path != file_buffer)
|
|
strcpy(file_buffer, path);
|
|
|
|
for (i = 1;; i++)
|
|
{
|
|
c = file_buffer[i];
|
|
if (c == 0)
|
|
break;
|
|
if (c == '/')
|
|
{
|
|
file_buffer[i] = 0;
|
|
mkdir(file_buffer, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
|
|
file_buffer[i] = c;
|
|
}
|
|
c++;
|
|
}
|
|
}
|
|
|
|
|
|
void FILE_copy(const char *src, const char *dst)
|
|
{
|
|
STREAM stream_src;
|
|
STREAM stream_dst;
|
|
int64_t len;
|
|
int64_t n;
|
|
char *buf = NULL;
|
|
|
|
CLEAR(&stream_src);
|
|
CLEAR(&stream_dst);
|
|
|
|
if (FILE_exist(dst))
|
|
THROW(E_EXIST, dst);
|
|
|
|
ALLOC(&buf, MAX_IO, "FILE_copy");
|
|
|
|
TRY
|
|
{
|
|
STREAM_open(&stream_src, src, ST_READ);
|
|
STREAM_open(&stream_dst, dst, ST_CREATE);
|
|
|
|
STREAM_lof(&stream_src, &len);
|
|
|
|
while (len)
|
|
{
|
|
n = len > MAX_IO ? MAX_IO : len;
|
|
STREAM_read(&stream_src, buf, n);
|
|
STREAM_write(&stream_dst, buf, n);
|
|
len -= n;
|
|
}
|
|
|
|
STREAM_close(&stream_src);
|
|
STREAM_close(&stream_dst);
|
|
|
|
FREE(&buf, "FILE_copy");
|
|
}
|
|
CATCH
|
|
{
|
|
if (stream_src.type)
|
|
STREAM_close(&stream_src);
|
|
if (stream_dst.type)
|
|
STREAM_close(&stream_dst);
|
|
FREE(&buf, "FILE_copy");
|
|
|
|
PROPAGATE();
|
|
}
|
|
END_TRY
|
|
}
|
|
|
|
|
|
bool FILE_access(const char *path, int mode)
|
|
{
|
|
if (FILE_is_relative(path))
|
|
{
|
|
if (mode & (W_OK | X_OK))
|
|
return FALSE;
|
|
|
|
/*if (!EXEC_arch)
|
|
{
|
|
chdir(PROJECT_path);
|
|
if (access(path, mode) == 0)
|
|
return TRUE;
|
|
}*/
|
|
|
|
return ARCHIVE_exist(NULL, path);
|
|
}
|
|
|
|
return (access(path, mode) == 0);
|
|
}
|
|
|
|
|
|
bool FILE_exist_follow(const char *path, bool follow)
|
|
{
|
|
struct stat buf;
|
|
|
|
if (FILE_is_relative(path))
|
|
return ARCHIVE_exist(NULL, path);
|
|
|
|
return follow ? (stat(path, &buf) == 0) : (lstat(path, &buf) == 0);
|
|
}
|
|
|
|
|
|
void FILE_link(const char *src, const char *dst)
|
|
{
|
|
/* src can be relative */
|
|
if (FILE_is_relative(dst))
|
|
THROW(E_ACCESS);
|
|
|
|
if (FILE_exist(dst))
|
|
THROW(E_EXIST, dst);
|
|
|
|
if (symlink(src, dst) != 0)
|
|
THROW_SYSTEM(errno, dst);
|
|
}
|
|
|
|
int64_t FILE_free(const char *path)
|
|
{
|
|
struct statfs info;
|
|
|
|
if (FILE_is_relative(path))
|
|
return 0;
|
|
|
|
statfs(path, &info);
|
|
return (int64_t)(getuid() == 0 ? info.f_bfree : info.f_bavail) * info.f_bsize;
|
|
}
|
|
|
|
#else
|
|
|
|
bool FILE_exist(const char *path)
|
|
{
|
|
return (access(path, F_OK) == 0);
|
|
}
|
|
|
|
time_t FILE_get_time(const char *path)
|
|
{
|
|
struct stat info;
|
|
|
|
if (stat(path, &info) == 0)
|
|
return info.st_mtime;
|
|
else
|
|
return (time_t)-1L;
|
|
}
|
|
|
|
#endif
|
|
|
|
const char *FILE_getcwd(const char *subdir)
|
|
{
|
|
if (getcwd(file_buffer, PATH_MAX) == NULL)
|
|
return NULL;
|
|
|
|
file_buffer_length = strlen(file_buffer);
|
|
|
|
if (subdir != NULL)
|
|
return FILE_cat(file_buffer, subdir, NULL);
|
|
else
|
|
return file_buffer;
|
|
}
|
|
|
|
|
|
const char *FILE_readlink(const char *link)
|
|
{
|
|
int len = readlink(link, file_buffer, PATH_MAX);
|
|
|
|
if (len < 0)
|
|
return NULL;
|
|
|
|
file_buffer[len] = 0;
|
|
file_buffer_length = len;
|
|
return file_buffer;
|
|
|
|
}
|
|
|
|
const char *FILE_find_gambas(void)
|
|
{
|
|
const char *path;
|
|
|
|
if (FILE_exist(GAMBAS_LINK_PATH))
|
|
{
|
|
path = FILE_readlink(GAMBAS_LINK_PATH);
|
|
if (!path)
|
|
path = GAMBAS_LINK_PATH;
|
|
}
|
|
else
|
|
{
|
|
path = GAMBAS_PATH "/gbx" GAMBAS_VERSION_STRING;
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
void FILE_chdir(const char *path)
|
|
{
|
|
#ifdef PROJECT_EXEC
|
|
if (chdir(path))
|
|
THROW_SYSTEM(errno, path);
|
|
#else
|
|
if (chdir(path))
|
|
THROW("Cannot change current directory to '&1': &2", path, strerror(errno));
|
|
#endif
|
|
}
|
|
|
|
void FILE_unlink(const char *path)
|
|
{
|
|
#ifdef PROJECT_EXEC
|
|
if (FILE_is_relative(path))
|
|
THROW(E_ACCESS);
|
|
|
|
if (unlink(path) != 0)
|
|
THROW_SYSTEM(errno, path);
|
|
#else
|
|
if (unlink(path) != 0 && errno != ENOENT)
|
|
THROW("Cannot remove file '&1': &2", path, strerror(errno));
|
|
#endif
|
|
}
|
|
|
|
|
|
void FILE_rename(const char *src, const char *dst)
|
|
{
|
|
#ifdef PROJECT_EXEC
|
|
if (FILE_is_relative(src) || FILE_is_relative(dst))
|
|
THROW(E_ACCESS);
|
|
|
|
if (FILE_exist(dst))
|
|
THROW(E_EXIST, dst);
|
|
|
|
if (rename(src, dst) != 0)
|
|
THROW_SYSTEM(errno, dst);
|
|
#else
|
|
if (rename(src, dst) != 0)
|
|
THROW("Cannot rename file '&1' to '&2': &3", src, dst, strerror(errno));
|
|
#endif
|
|
}
|
|
|