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/* This file is part of "reprepro"
* Copyright (C) 2003 Bernhard R. Link
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 St, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include <config.h>
#include <errno.h>
#include <assert.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "error.h"
#include "strlist.h"
#include "dirs.h"
#include "names.h"
/* create directory dirname. */
retvalue dirs_create(const char *dirname) {
int ret, e;
ret = mkdir(dirname, 0775);
if (ret == 0) {
if (verbose > 1)
printf("Created directory \"%s\"\n", dirname);
return RET_OK;
} else if (ret < 0 && (e = errno) != EEXIST) {
fprintf(stderr, "Error %d creating directory \"%s\": %s\n",
e, dirname, strerror(e));
return RET_ERROR;
}
return RET_NOTHING;
}
/* create recursively all parent directories before the last '/' */
retvalue dirs_make_parent(const char *filename) {
const char *p;
char *h;
int i;
retvalue r;
for (p = filename+1, i = 1 ; *p != '\0' ; p++, i++) {
if (*p == '/') {
h = strndup(filename, i);
if (FAILEDTOALLOC(h))
return RET_ERROR_OOM;
r = dirs_create(h);
if (RET_WAS_ERROR(r)) {
free(h);
return r;
}
free(h);
}
}
return RET_OK;
}
/* create dirname and any '/'-separated part of it */
retvalue dirs_make_recursive(const char *directory) {
retvalue r, result;
if (interrupted()) {
return RET_ERROR_INTERRUPTED;
}
r = dirs_make_parent(directory);
result = dirs_create(directory);
RET_UPDATE(result, r);
return result;
}
/* create directory and return the number of created directoried */
retvalue dir_create_needed(const char *directory, int *createddepth) {
retvalue r;
int ret;
size_t len = strlen(directory);
int check, depth = 0;
char *this;
int e;
if (interrupted()) {
return RET_ERROR_INTERRUPTED;
}
while (len > 0 && directory[len-1] == '/')
len--;
while (len > 0) {
this = strndup(directory, len);
if (FAILEDTOALLOC(this))
return RET_ERROR_OOM;
ret = mkdir(this, 0777);
e = errno;
if (ret == 0) {
if (verbose > 1)
printf("Created directory \"%s\"\n", this);
} else if (e == EEXIST) {
free(this);
break;
/* normally ENOENT should be the only problem,
* but check the others to be nice to annoying filesystems */
} else if (e != ENOENT && e != EACCES && e != EPERM) {
fprintf(stderr,
"Cannot create directory \"%s\": %s(%d)\n",
this, strerror(e), e);
free(this);
return RET_ERRNO(e);
}
free(this);
depth++;
while (len > 0 && directory[len-1] != '/')
len--;
while (len > 0 && directory[len-1] == '/')
len--;
}
check = depth;
while (directory[len] == '/')
len++;
while (directory[len] != '\0') {
while (directory[len] != '\0' && directory[len] != '/')
len++;
this = strndup(directory, len);
if (FAILEDTOALLOC(this))
return RET_ERROR_OOM;
r = dirs_create(this);
free(this);
if (RET_WAS_ERROR(r))
return r;
// TODO: if we get RET_NOTHING here, reduce depth?
check--;
while (directory[len] == '/')
len++;
}
assert(check == 0);
*createddepth = depth;
return RET_OK;
}
void dir_remove_new(const char *directory, int created) {
size_t len = strlen(directory);
char *this;
int ret;
while (len > 0 && directory[len-1] == '/')
len--;
while (created > 0 && len > 0) {
this = strndup(directory, len);
if (FAILEDTOALLOC(this))
return;
ret = rmdir(this);
if (ret == 0) {
if (verbose > 1)
printf(
"Removed empty directory \"%s\"\n",
this);
} else {
int e = errno;
if (e != ENOTEMPTY) {
fprintf(stderr,
"Error removing directory \"%s\": %s(%d)\n",
this, strerror(e), e);
}
free(this);
return;
}
free(this);
created--;
while (len > 0 && directory[len-1] != '/')
len--;
while (len > 0 && directory[len-1] == '/')
len--;
}
return;
}
retvalue dirs_getdirectory(const char *filename, char **directory) {
size_t len;
assert (filename != NULL && *filename != '\0');
len = strlen(filename);
while (len > 1 && filename[len-1] == '/') {
len--;
}
while (len > 0 && filename[len-1] != '/') {
len--;
}
if (len == 0) {
*directory = strdup(".");
} else {
if (len == 1)
*directory = strdup("/");
else
*directory = strndup(filename, len-1);
}
if (FAILEDTOALLOC(*directory))
return RET_ERROR_OOM;
else
return RET_OK;
}
const char *dirs_basename(const char *filename) {
const char *bn;
bn = strrchr(filename, '/');
if (bn == NULL)
return filename;
// not really suited for the basename of directories,
// things like /bla/blub/ will give empty string...
return bn+1;
}
bool isdir(const char *fullfilename) {
struct stat s;
int i;
assert(fullfilename != NULL);
i = stat(fullfilename, &s);
return i == 0 && S_ISDIR(s.st_mode);
}
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