X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev%2Flib%2Flibudev.c;h=c698be6e466c3f7bf48d58a84018f9e0b28553ae;hb=f183b6ed766a18835d53dc1e36a4e98756ebd0b7;hp=5a00f44de91a11bb62e949257472dc53b659253a;hpb=7d563a17f3967890331daf08d43f2f005418139b;p=elogind.git
diff --git a/udev/lib/libudev.c b/udev/lib/libudev.c
index 5a00f44de..c698be6e4 100644
--- a/udev/lib/libudev.c
+++ b/udev/lib/libudev.c
@@ -17,8 +17,6 @@
* along with this program. If not, see .
*/
-#include "config.h"
-
#include
#include
#include
@@ -30,18 +28,19 @@
#include "libudev.h"
#include "libudev-private.h"
-#include "../udev.h"
struct udev {
int refcount;
void (*log_fn)(struct udev *udev,
int priority, const char *file, int line, const char *fn,
const char *format, va_list args);
+ void *userdata;
char *sys_path;
char *dev_path;
char *rules_path;
+ struct udev_list_node properties_list;
int log_priority;
- int run:1;
+ int run;
};
void udev_log(struct udev *udev,
@@ -66,6 +65,20 @@ static void log_stderr(struct udev *udev,
vfprintf(stderr, format, args);
}
+void *udev_get_userdata(struct udev *udev)
+{
+ if (udev == NULL)
+ return NULL;
+ return udev->userdata;
+}
+
+void udev_set_userdata(struct udev *udev, void *userdata)
+{
+ if (udev == NULL)
+ return;
+ udev->userdata = userdata;
+}
+
/**
* udev_new:
*
@@ -87,20 +100,17 @@ struct udev *udev_new(void)
if (udev == NULL)
return NULL;
memset(udev, 0x00, (sizeof(struct udev)));
-
- sysfs_init();
-
- /* defaults */
- config_file = NULL;
udev->refcount = 1;
udev->log_fn = log_stderr;
udev->log_priority = LOG_ERR;
+ udev_list_init(&udev->properties_list);
udev->run = 1;
udev->dev_path = strdup(UDEV_PREFIX "/dev");
udev->sys_path = strdup("/sys");
config_file = strdup(SYSCONFDIR "/udev/udev.conf");
-
- if (udev->dev_path == NULL || udev->sys_path == NULL)
+ if (udev->dev_path == NULL ||
+ udev->sys_path == NULL ||
+ config_file == NULL)
goto err;
/* settings by environment and config file */
@@ -108,24 +118,25 @@ struct udev *udev_new(void)
if (env != NULL) {
free(udev->sys_path);
udev->sys_path = strdup(env);
- remove_trailing_chars(udev->sys_path, '/');
+ util_remove_trailing_chars(udev->sys_path, '/');
+ udev_add_property(udev, "SYSFS_PATH", udev->sys_path);
}
env = getenv("UDEV_RUN");
- if (env != NULL && !string_is_true(env))
+ if (env != NULL && strcmp(env, "0") == 0)
udev->run = 0;
env = getenv("UDEV_CONFIG_FILE");
if (env != NULL) {
free(config_file);
config_file = strdup(env);
- remove_trailing_chars(config_file, '/');
+ util_remove_trailing_chars(config_file, '/');
}
if (config_file == NULL)
goto err;
f = fopen(config_file, "r");
if (f != NULL) {
- char line[LINE_SIZE];
+ char line[UTIL_LINE_SIZE];
int line_nr = 0;
while (fgets(line, sizeof(line), f)) {
@@ -187,48 +198,50 @@ struct udev *udev_new(void)
}
if (strcasecmp(key, "udev_log") == 0) {
- udev->log_priority = log_priority(val);
+ udev->log_priority = util_log_priority(val);
continue;
}
if (strcasecmp(key, "udev_root") == 0) {
free(udev->dev_path);
udev->dev_path = strdup(val);
- remove_trailing_chars(udev->dev_path, '/');
+ util_remove_trailing_chars(udev->dev_path, '/');
continue;
}
if (strcasecmp(key, "udev_rules") == 0) {
free(udev->rules_path);
udev->rules_path = strdup(val);
- remove_trailing_chars(udev->rules_path, '/');
+ util_remove_trailing_chars(udev->rules_path, '/');
continue;
}
}
fclose(f);
}
- free(config_file);
env = getenv("UDEV_ROOT");
if (env != NULL) {
free(udev->dev_path);
udev->dev_path = strdup(env);
- remove_trailing_chars(udev->dev_path, '/');
+ util_remove_trailing_chars(udev->dev_path, '/');
+ udev_add_property(udev, "UDEV_ROOT", udev->dev_path);
}
env = getenv("UDEV_LOG");
if (env != NULL)
- udev->log_priority = log_priority(env);
+ udev_set_log_priority(udev, util_log_priority(env));
if (udev->dev_path == NULL || udev->sys_path == NULL)
goto err;
-
info(udev, "context %p created\n", udev);
info(udev, "log_priority=%d\n", udev->log_priority);
+ info(udev, "config_file='%s'\n", config_file);
info(udev, "dev_path='%s'\n", udev->dev_path);
+ info(udev, "sys_path='%s'\n", udev->sys_path);
if (udev->rules_path != NULL)
info(udev, "rules_path='%s'\n", udev->rules_path);
-
+ free(config_file);
return udev;
err:
+ free(config_file);
err(udev, "context creation failed\n");
udev_unref(udev);
return NULL;
@@ -265,9 +278,10 @@ void udev_unref(struct udev *udev)
udev->refcount--;
if (udev->refcount > 0)
return;
- sysfs_cleanup();
+ udev_list_cleanup(udev, &udev->properties_list);
free(udev->dev_path);
free(udev->sys_path);
+ free(udev->rules_path);
info(udev, "context %p released\n", udev);
free(udev);
}
@@ -277,8 +291,7 @@ void udev_unref(struct udev *udev)
* @udev: udev library context
* @log_fn: function to be called for logging messages
*
- * The built-in logging, which writes to stderr if the
- * LIBUDEV_DEBUG environment variable is set, can be
+ * The built-in logging, which writes to stderr, it can be
* overridden by a custom function, to plug log messages
* into the users logging functionality.
*
@@ -299,7 +312,11 @@ int udev_get_log_priority(struct udev *udev)
void udev_set_log_priority(struct udev *udev, int priority)
{
+ char num[32];
+
udev->log_priority = priority;
+ snprintf(num, sizeof(num), "%u", udev->log_priority);
+ udev_add_property(udev, "UDEV_LOG", num);
}
const char *udev_get_rules_path(struct udev *udev)
@@ -345,3 +362,22 @@ const char *udev_get_dev_path(struct udev *udev)
return NULL;
return udev->dev_path;
}
+
+struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value)
+{
+ if (value == NULL) {
+ struct udev_list_entry *list_entry;
+
+ list_entry = udev_get_properties_list_entry(udev);
+ list_entry = udev_list_entry_get_by_name(list_entry, key);
+ if (list_entry != NULL)
+ udev_list_entry_remove(list_entry);
+ return NULL;
+ }
+ return udev_list_entry_add(udev, &udev->properties_list, key, value, 1, 0);
+}
+
+struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev)
+{
+ return udev_list_get_entry(&udev->properties_list);
+}