63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
|
|
* vim:ts=4:sw=4:expandtab
|
|
*
|
|
* i3 - an improved dynamic tiling window manager
|
|
* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
|
|
*
|
|
*/
|
|
#include <assert.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
#include <err.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <pwd.h>
|
|
#include <unistd.h>
|
|
#include <err.h>
|
|
|
|
#include "libi3.h"
|
|
|
|
/*
|
|
* Returns the name of a temporary file with the specified prefix.
|
|
*
|
|
*/
|
|
char *get_process_filename(const char *prefix) {
|
|
/* dir stores the directory path for this and all subsequent calls so that
|
|
* we only create a temporary directory once per i3 instance. */
|
|
static char *dir = NULL;
|
|
if (dir == NULL) {
|
|
/* Check if XDG_RUNTIME_DIR is set. If so, we use XDG_RUNTIME_DIR/i3 */
|
|
if ((dir = getenv("XDG_RUNTIME_DIR"))) {
|
|
char *tmp;
|
|
sasprintf(&tmp, "%s/i3", dir);
|
|
dir = tmp;
|
|
struct stat buf;
|
|
if (stat(dir, &buf) != 0) {
|
|
if (mkdir(dir, 0700) == -1) {
|
|
warn("Could not mkdir(%s)", dir);
|
|
errx(EXIT_FAILURE, "Check permissions of $XDG_RUNTIME_DIR = '%s'",
|
|
getenv("XDG_RUNTIME_DIR"));
|
|
perror("mkdir()");
|
|
return NULL;
|
|
}
|
|
}
|
|
} else {
|
|
/* If not, we create a (secure) temp directory using the template
|
|
* /tmp/i3-<user>.XXXXXX */
|
|
struct passwd *pw = getpwuid(getuid());
|
|
const char *username = pw ? pw->pw_name : "unknown";
|
|
sasprintf(&dir, "/tmp/i3-%s.XXXXXX", username);
|
|
/* mkdtemp modifies dir */
|
|
if (mkdtemp(dir) == NULL) {
|
|
perror("mkdtemp()");
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
char *filename;
|
|
sasprintf(&filename, "%s/%s.%d", dir, prefix, getpid());
|
|
return filename;
|
|
}
|