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-rw-r--r--udev.c55
1 files changed, 34 insertions, 21 deletions
diff --git a/udev.c b/udev.c
index 8d650c2561..ed42862c00 100644
--- a/udev.c
+++ b/udev.c
@@ -39,8 +39,8 @@ char **main_argv;
char **main_envp;
char sysfs_path[SYSFS_PATH_MAX];
-char *udev_config_dir;
-char *udev_root;
+char *udev_config_dir = UDEV_CONFIG_DIR;
+char *udev_root = UDEV_ROOT;
char udev_db_filename[PATH_MAX+NAME_MAX];
char udev_config_permission_filename[PATH_MAX+NAME_MAX];
char udev_config_filename[PATH_MAX+NAME_MAX];
@@ -72,36 +72,49 @@ static inline char *get_seqnum(void)
static void get_dirs(void)
{
- char *udev_test;
char *temp;
+ char *udev_db = UDEV_DB;
+ char *udev_config = NAMEDEV_CONFIG_FILE;
+ char *udev_permission = NAMEDEV_CONFIG_PERMISSION_FILE;
int retval;
- udev_test = getenv("UDEV_TEST");
- if (udev_test == NULL) {
- /* normal operation, use the compiled in defaults */
- udev_config_dir = UDEV_CONFIG_DIR;
- udev_root = UDEV_ROOT;
- retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX);
- dbg("sysfs_path = %s", sysfs_path);
- if (retval)
- dbg("sysfs_get_mnt_path failed");
-
- } else {
- /* hm testing is happening, use the specified values */
+ retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX);
+ if (retval)
+ dbg("sysfs_get_mnt_path failed");
+
+ /* see if we should try to override any of the default values */
+ temp = getenv("UDEV_TEST");
+ if (temp != NULL) {
+ /* hm testing is happening, use the specified values, if they are present */
temp = getenv("UDEV_SYSFS_PATH");
- strncpy(sysfs_path, temp, sizeof(sysfs_path));
- udev_config_dir = getenv("UDEV_CONFIG_DIR");
- udev_root = getenv("UDEV_ROOT");
+ if (temp)
+ strncpy(sysfs_path, temp, sizeof(sysfs_path));
+ temp = getenv("UDEV_CONFIG_DIR");
+ if (temp)
+ udev_config_dir = temp;
+ temp = getenv("UDEV_ROOT");
+ if (temp)
+ udev_root = temp;
+ temp = getenv("UDEV_DB");
+ if (temp)
+ udev_db = temp;
+ temp = getenv("UDEV_CONFIG_FILE");
+ if (temp)
+ udev_config = temp;
+ temp = getenv("UDEV_PERMISSION_FILE");
+ if (temp)
+ udev_permission = temp;
}
+ dbg("sysfs_path = %s", sysfs_path);
strncpy(udev_db_filename, udev_config_dir, sizeof(udev_db_filename));
- strncat(udev_db_filename, UDEV_DB, sizeof(udev_db_filename));
+ strncat(udev_db_filename, udev_db, sizeof(udev_db_filename));
strncpy(udev_config_filename, udev_config_dir, sizeof(udev_config_filename));
- strncat(udev_config_filename, NAMEDEV_CONFIG_FILE, sizeof(udev_config_filename));
+ strncat(udev_config_filename, udev_config, sizeof(udev_config_filename));
strncpy(udev_config_permission_filename, udev_config_dir, sizeof(udev_config_permission_filename));
- strncat(udev_config_permission_filename, NAMEDEV_CONFIG_PERMISSION_FILE, sizeof(udev_config_permission_filename));
+ strncat(udev_config_permission_filename, udev_permission, sizeof(udev_config_permission_filename));
}
int main(int argc, char **argv, char **envp)