/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd 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 of the License, or
+ (at your option) any later version.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
#include <assert.h>
#include <string.h>
#include <unistd.h>
#include <syslog.h>
#include <sched.h>
#include <sys/resource.h>
+#include <linux/sched.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include "macro.h"
#include "util.h"
#include "ioprio.h"
#include "missing.h"
+#include "log.h"
+#include "strv.h"
-usec_t now(clockid_t clock) {
+usec_t now(clockid_t clock_id) {
struct timespec ts;
- assert_se(clock_gettime(clock, &ts) == 0);
+ assert_se(clock_gettime(clock_id, &ts) == 0);
return timespec_load(&ts);
}
}
/* Split a string into words. */
-char *split_spaces(const char *c, size_t *l, char **state) {
+char *split(const char *c, size_t *l, const char *separator, char **state) {
char *current;
current = *state ? *state : (char*) c;
if (!*current || *c == 0)
return NULL;
- current += strspn(current, WHITESPACE);
- *l = strcspn(current, WHITESPACE);
+ current += strspn(current, separator);
+ *l = strcspn(current, separator);
*state = current+*l;
return (char*) current;
return (char*) current;
}
+char **split_path_and_make_absolute(const char *p) {
+ char **l;
+ assert(p);
+
+ if (!(l = strv_split(p, ":")))
+ return NULL;
+
+ if (!strv_path_make_absolute_cwd(l)) {
+ strv_free(l);
+ return NULL;
+ }
+
+ return l;
+}
+
int get_parent_of_pid(pid_t pid, pid_t *_ppid) {
int r;
FILE *f;
assert(p);
+ /* Makes every item in the list an absolute path by prepending
+ * the prefix, if specified and necessary */
+
if (path_is_absolute(p) || !prefix)
return strdup(p);
return r;
}
+char *path_make_absolute_cwd(const char *p) {
+ char *cwd, *r;
+
+ assert(p);
+
+ /* Similar to path_make_absolute(), but prefixes with the
+ * current working directory. */
+
+ if (path_is_absolute(p))
+ return strdup(p);
+
+ if (!(cwd = get_current_dir_name()))
+ return NULL;
+
+ r = path_make_absolute(p, cwd);
+ free(cwd);
+
+ return r;
+}
+
+char **strv_path_make_absolute_cwd(char **l) {
+ char **s;
+
+ /* Goes through every item in the string list and makes it
+ * absolute. This works in place and won't rollback any
+ * changes on failure. */
+
+ STRV_FOREACH(s, l) {
+ char *t;
+
+ if (!(t = path_make_absolute_cwd(*s)))
+ return NULL;
+
+ free(*s);
+ *s = t;
+ }
+
+ return l;
+}
+
int reset_all_signal_handlers(void) {
int sig;
return r;
}
+int mkdir_parents(const char *path, mode_t mode) {
+ const char *p, *e;
+
+ assert(path);
+
+ /* Creates every parent directory in the path except the last
+ * component. */
+
+ p = path + strspn(path, "/");
+ for (;;) {
+ int r;
+ char *t;
+
+ e = p + strcspn(p, "/");
+ p = e + strspn(e, "/");
+
+ /* Is this the last component? If so, then we're
+ * done */
+ if (*p == 0)
+ return 0;
+
+ if (!(t = strndup(path, e - path)))
+ return -ENOMEM;
+
+ r = mkdir(t, mode);
+
+ free(t);
+
+ if (r < 0 && errno != EEXIST)
+ return -errno;
+ }
+}
+
char hexchar(int x) {
static const char table[16] = "0123456789abcdef";
return c - '0';
if (c >= 'a' && c <= 'f')
- return c - 'a';
+ return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
- return c - 'A';
+ return c - 'A' + 10;
return -1;
}
return r;
}
+char *bus_path_escape(const char *s) {
+ char *r, *t;
+ const char *f;
+
+ assert(s);
+
+ /* Escapes all chars that D-Bus' object path cannot deal
+ * with. Can be reverse with bus_path_unescape() */
+
+ if (!(r = new(char, strlen(s)*3+1)))
+ return NULL;
+
+ for (f = s, t = r; *f; f++) {
+
+ if (!(*f >= 'A' && *f <= 'Z') &&
+ !(*f >= 'a' && *f <= 'z') &&
+ !(*f >= '0' && *f <= '9')) {
+ *(t++) = '_';
+ *(t++) = hexchar(*f >> 4);
+ *(t++) = hexchar(*f);
+ } else
+ *(t++) = *f;
+ }
+
+ *t = 0;
+
+ return r;
+}
+
+char *bus_path_unescape(const char *s) {
+ char *r, *t;
+ const char *f;
+
+ assert(s);
+
+ if (!(r = new(char, strlen(s)+1)))
+ return NULL;
+
+ for (f = s, t = r; *f; f++) {
+
+ if (*f == '_') {
+ int a, b;
+
+ if ((a = unhexchar(f[1])) < 0 ||
+ (b = unhexchar(f[2])) < 0) {
+ /* Invalid escape code, let's take it literal then */
+ *(t++) = '_';
+ } else {
+ *(t++) = (char) ((a << 4) | b);
+ f += 2;
+ }
+ } else
+ *(t++) = *f;
+ }
+
+ *t = 0;
+
+ return r;
+}
+
char *path_kill_slashes(char *path) {
char *f, *t;
bool slash = false;
return p;
}
+bool ignore_file(const char *filename) {
+ assert(filename);
+
+ return
+ filename[0] == '.' ||
+ endswith(filename, "~") ||
+ endswith(filename, ".rpmnew") ||
+ endswith(filename, ".rpmsave") ||
+ endswith(filename, ".rpmorig") ||
+ endswith(filename, ".dpkg-old") ||
+ endswith(filename, ".dpkg-new") ||
+ endswith(filename, ".swp");
+}
+
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",