#include <dirent.h>
#include <sys/stat.h>
#include <sys/mman.h>
+#include <sys/utsname.h>
-#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
#include "logging.h"
#include "udev_lib.h"
#include "list.h"
-char *get_action(void)
+void udev_set_values(struct udevice *udev, const char* devpath,
+ const char *subsystem, const char* action)
{
- char *action;
-
- action = getenv("ACTION");
- if (action != NULL && strlen(action) > ACTION_SIZE)
- action[ACTION_SIZE-1] = '\0';
-
- return action;
-}
-
-char *get_devpath(void)
-{
- char *devpath;
-
- devpath = getenv("DEVPATH");
- if (devpath != NULL && strlen(devpath) > DEVPATH_SIZE)
- devpath[DEVPATH_SIZE-1] = '\0';
-
- return devpath;
+ memset(udev, 0x00, sizeof(struct udevice));
+
+ if (devpath)
+ strfieldcpy(udev->devpath, devpath);
+ if (subsystem)
+ strfieldcpy(udev->subsystem, subsystem);
+ if (action)
+ strfieldcpy(udev->action, action);
+
+ if (strcmp(udev->subsystem, "block") == 0)
+ udev->type = 'b';
+ else if (strcmp(udev->subsystem, "net") == 0)
+ udev->type = 'n';
+ else if (strncmp(udev->devpath, "/block/", 7) == 0)
+ udev->type = 'b';
+ else if (strncmp(udev->devpath, "/class/net/", 11) == 0)
+ udev->type = 'n';
+ else if (strncmp(udev->devpath, "/class/", 7) == 0)
+ udev->type = 'c';
}
-char *get_devnode(void)
+int kernel_release_satisfactory(int version, int patchlevel, int sublevel)
{
- char *devnode;
-
- devnode = getenv("DEVNODE");
- if (devnode != NULL && strlen(devnode) > NAME_SIZE)
- devnode[NAME_SIZE-1] = '\0';
-
- return devnode;
-}
-
-char *get_seqnum(void)
-{
- char *seqnum;
-
- seqnum = getenv("SEQNUM");
+ static int kversion = 0;
+ static int kpatchlevel;
+ static int ksublevel;
+
+ if (kversion == 0) {
+ struct utsname uts;
+ if (uname(&uts) != 0)
+ return -1;
+
+ if (sscanf (uts.release, "%u.%u.%u", &kversion, &kpatchlevel, &ksublevel) != 3) {
+ kversion = 0;
+ return -1;
+ }
+ }
- return seqnum;
+ if (kversion >= version && kpatchlevel >= patchlevel && ksublevel >= sublevel)
+ return 1;
+ else
+ return 0;
}
-char *get_subsystem(char *subsystem)
+int create_path(const char *path)
{
- if (subsystem != NULL && strlen(subsystem) > SUBSYSTEM_SIZE)
- subsystem[SUBSYSTEM_SIZE-1] = '\0';
-
- return subsystem;
-}
-
-#define BLOCK_PATH "/block/"
-#define CLASS_PATH "/class/"
-#define NET_PATH "/class/net/"
+ char p[NAME_SIZE];
+ char *pos;
+ struct stat stats;
-char get_device_type(const char *path, const char *subsystem)
-{
- if (strcmp(subsystem, "block") == 0)
- return 'b';
+ strcpy (p, path);
+ pos = strrchr(p, '/');
+ if (pos == p || pos == NULL)
+ return 0;
- if (strcmp(subsystem, "net") == 0)
- return 'n';
+ while (pos[-1] == '/')
+ pos--;
- if (strncmp(path, BLOCK_PATH, strlen(BLOCK_PATH)) == 0 &&
- strlen(path) > strlen(BLOCK_PATH))
- return 'b';
+ pos[0] = '\0';
- if (strncmp(path, NET_PATH, strlen(NET_PATH)) == 0 &&
- strlen(path) > strlen(NET_PATH))
- return 'n';
+ dbg("stat '%s'\n", p);
+ if (stat (p, &stats) == 0 && (stats.st_mode & S_IFMT) == S_IFDIR)
+ return 0;
- if (strncmp(path, CLASS_PATH, strlen(CLASS_PATH)) == 0 &&
- strlen(path) > strlen(CLASS_PATH))
- return 'c';
+ if (create_path (p) != 0)
+ return -1;
- return '\0';
+ dbg("mkdir '%s'\n", p);
+ return mkdir(p, 0755);
}
int file_map(const char *filename, char **buf, size_t *bufsize)
}
if (fstat(fd, &stats) < 0) {
+ close(fd);
return -1;
}
*buf = mmap(NULL, stats.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (*buf == MAP_FAILED) {
+ close(fd);
return -1;
}
*bufsize = stats.st_size;
return count - cur;
}
+void no_trailing_slash(char *path)
+{
+ int len;
+
+ len = strlen(path);
+ if (len > 0 && path[len-1] == '/')
+ path[len-1] = '\0';
+}
+
struct files {
struct list_head list;
char name[NAME_SIZE];
return 0;
}
-/* calls function for file or every file found in directory */
-int call_foreach_file(int fnct(char *f) , char *dirname, char *suffix)
+/* calls function for every file found in specified directory */
+int call_foreach_file(file_fnct_t fnct, const char *dirname,
+ const char *suffix, void *data)
{
struct dirent *ent;
DIR *dir;
char *ext;
- char file[NAME_SIZE];
struct files *loop_file;
struct files *tmp_file;
LIST_HEAD(file_list);
/* call function for every file in the list */
list_for_each_entry_safe(loop_file, tmp_file, &file_list, list) {
- strfieldcpy(file, dirname);
- strfieldcat(file, "/");
- strfieldcat(file, loop_file->name);
+ char filename[NAME_SIZE];
+
+ snprintf(filename, NAME_SIZE, "%s/%s", dirname, loop_file->name);
+ filename[NAME_SIZE-1] = '\0';
- fnct(file);
+ fnct(filename, data);
list_del(&loop_file->list);
free(loop_file);
~ianmdlvl / elogind.git / blobdiff