#include <stdlib.h>
#include <stdio.h>
+#include <stddef.h>
#include <unistd.h>
#include <fcntl.h>
+#include <errno.h>
+#include <dirent.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
+#include "logging.h"
#include "udev_lib.h"
+#include "list.h"
char *get_action(void)
return devpath;
}
-char *get_devnode(void)
+char *get_devname(void)
{
- char *devnode;
+ char *devname;
- devnode = getenv("DEVNODE");
- if (devnode != NULL && strlen(devnode) > NAME_SIZE)
- devnode[NAME_SIZE-1] = '\0';
+ devname = getenv("DEVNAME");
+ if (devname != NULL && strlen(devname) > NAME_SIZE)
+ devname[NAME_SIZE-1] = '\0';
- return devnode;
+ return devname;
}
char *get_seqnum(void)
return subsystem;
}
+#define BLOCK_PATH "/block/"
+#define CLASS_PATH "/class/"
+#define NET_PATH "/class/net/"
+
char get_device_type(const char *path, const char *subsystem)
{
- if (strcmp(subsystem, "block") == 0 ||
- strstr(path, "/block/") != NULL)
+ if (strcmp(subsystem, "block") == 0)
+ return 'b';
+
+ if (strcmp(subsystem, "net") == 0)
+ return 'n';
+
+ if (strncmp(path, BLOCK_PATH, strlen(BLOCK_PATH)) == 0 &&
+ strlen(path) > strlen(BLOCK_PATH))
return 'b';
- if (strcmp(subsystem, "net") == 0 ||
- strstr(path, "/class/net/") != NULL)
+ if (strncmp(path, NET_PATH, strlen(NET_PATH)) == 0 &&
+ strlen(path) > strlen(NET_PATH))
return 'n';
- if (strstr(path, "/class/") != NULL)
+ if (strncmp(path, CLASS_PATH, strlen(CLASS_PATH)) == 0 &&
+ strlen(path) > strlen(CLASS_PATH))
return 'c';
return '\0';
return count - cur;
}
+void leading_slash(char *path)
+{
+ int len;
+
+ len = strlen(path);
+ if (len > 0 && path[len-1] != '/') {
+ path[len] = '/';
+ path[len+1] = '\0';
+ }
+}
+
+void no_leading_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];
+};
+
+/* sort files in lexical order */
+static int file_list_insert(char *filename, struct list_head *file_list)
+{
+ struct files *loop_file;
+ struct files *new_file;
+
+ list_for_each_entry(loop_file, file_list, list) {
+ if (strcmp(loop_file->name, filename) > 0) {
+ break;
+ }
+ }
+
+ new_file = malloc(sizeof(struct files));
+ if (new_file == NULL) {
+ dbg("error malloc");
+ return -ENOMEM;
+ }
+
+ strfieldcpy(new_file->name, filename);
+ list_add_tail(&new_file->list, &loop_file->list);
+ return 0;
+}
+
+/* calls function for every file found in specified directory */
+int call_foreach_file(int fnct(char *f) , char *dirname, char *suffix)
+{
+ struct dirent *ent;
+ DIR *dir;
+ char *ext;
+ char file[NAME_SIZE];
+ struct files *loop_file;
+ struct files *tmp_file;
+ LIST_HEAD(file_list);
+
+ dbg("open directory '%s'", dirname);
+ dir = opendir(dirname);
+ if (dir == NULL) {
+ dbg("unable to open '%s'", dirname);
+ return -1;
+ }
+
+ while (1) {
+ ent = readdir(dir);
+ if (ent == NULL || ent->d_name[0] == '\0')
+ break;
+
+ if ((ent->d_name[0] == '.') || (ent->d_name[0] == COMMENT_CHARACTER))
+ continue;
+
+ /* look for file with specified suffix */
+ ext = strrchr(ent->d_name, '.');
+ if (ext == NULL)
+ continue;
+
+ if (strcmp(ext, suffix) != 0)
+ continue;
+
+ dbg("put file '%s/%s' in list", dirname, ent->d_name);
+ file_list_insert(ent->d_name, &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);
+
+ fnct(file);
+
+ list_del(&loop_file->list);
+ free(loop_file);
+ }
+
+ closedir(dir);
+ return 0;
+}