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Diffstat (limited to 'src/libudev/libudev.c')
| -rw-r--r-- | src/libudev/libudev.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/src/libudev/libudev.c b/src/libudev/libudev.c deleted file mode 100644 index 63fb05547d..0000000000 --- a/src/libudev/libudev.c +++ /dev/null @@ -1,253 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2008-2014 Kay Sievers <kay@vrfy.org> - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <ctype.h> -#include <stdarg.h> -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "libudev.h" - -#include "alloc-util.h" -#include "fd-util.h" -#include "libudev-private.h" -#include "missing.h" -#include "string-util.h" - -/** - * SECTION:libudev - * @short_description: libudev context - * - * The context contains the default values read from the udev config file, - * and is passed to all library operations. - */ - -/** - * udev: - * - * Opaque object representing the library context. - */ -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; -}; - -/** - * udev_get_userdata: - * @udev: udev library context - * - * Retrieve stored data pointer from library context. This might be useful - * to access from callbacks. - * - * Returns: stored userdata - **/ -_public_ void *udev_get_userdata(struct udev *udev) { - if (udev == NULL) - return NULL; - return udev->userdata; -} - -/** - * udev_set_userdata: - * @udev: udev library context - * @userdata: data pointer - * - * Store custom @userdata in the library context. - **/ -_public_ void udev_set_userdata(struct udev *udev, void *userdata) { - if (udev == NULL) - return; - udev->userdata = userdata; -} - -/** - * udev_new: - * - * Create udev library context. This reads the udev configuration - * file, and fills in the default values. - * - * The initial refcount is 1, and needs to be decremented to - * release the resources of the udev library context. - * - * Returns: a new udev library context - **/ -_public_ struct udev *udev_new(void) { - struct udev *udev; - _cleanup_fclose_ FILE *f = NULL; - - udev = new0(struct udev, 1); - if (udev == NULL) - return NULL; - udev->refcount = 1; - - f = fopen("/etc/udev/udev.conf", "re"); - if (f != NULL) { - char line[UTIL_LINE_SIZE]; - unsigned line_nr = 0; - - while (fgets(line, sizeof(line), f)) { - size_t len; - char *key; - char *val; - - line_nr++; - - /* find key */ - key = line; - while (isspace(key[0])) - key++; - - /* comment or empty line */ - if (key[0] == '#' || key[0] == '\0') - continue; - - /* split key/value */ - val = strchr(key, '='); - if (val == NULL) { - log_debug("/etc/udev/udev.conf:%u: missing assignment, skipping line.", line_nr); - continue; - } - val[0] = '\0'; - val++; - - /* find value */ - while (isspace(val[0])) - val++; - - /* terminate key */ - len = strlen(key); - if (len == 0) - continue; - while (isspace(key[len-1])) - len--; - key[len] = '\0'; - - /* terminate value */ - len = strlen(val); - if (len == 0) - continue; - while (isspace(val[len-1])) - len--; - val[len] = '\0'; - - if (len == 0) - continue; - - /* unquote */ - if (val[0] == '"' || val[0] == '\'') { - if (val[len-1] != val[0]) { - log_debug("/etc/udev/udev.conf:%u: inconsistent quoting, skipping line.", line_nr); - continue; - } - val[len-1] = '\0'; - val++; - } - - if (streq(key, "udev_log")) { - int prio; - - prio = util_log_priority(val); - if (prio < 0) - log_debug("/etc/udev/udev.conf:%u: invalid log level '%s', ignoring.", line_nr, val); - else - log_set_max_level(prio); - continue; - } - } - } - - return udev; -} - -/** - * udev_ref: - * @udev: udev library context - * - * Take a reference of the udev library context. - * - * Returns: the passed udev library context - **/ -_public_ struct udev *udev_ref(struct udev *udev) { - if (udev == NULL) - return NULL; - udev->refcount++; - return udev; -} - -/** - * udev_unref: - * @udev: udev library context - * - * Drop a reference of the udev library context. If the refcount - * reaches zero, the resources of the context will be released. - * - * Returns: the passed udev library context if it has still an active reference, or #NULL otherwise. - **/ -_public_ struct udev *udev_unref(struct udev *udev) { - if (udev == NULL) - return NULL; - udev->refcount--; - if (udev->refcount > 0) - return udev; - free(udev); - return NULL; -} - -/** - * udev_set_log_fn: - * @udev: udev library context - * @log_fn: function to be called for log messages - * - * This function is deprecated. - * - **/ -_public_ void udev_set_log_fn(struct udev *udev, - void (*log_fn)(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, va_list args)) { - return; -} - -/** - * udev_get_log_priority: - * @udev: udev library context - * - * This function is deprecated. - * - **/ -_public_ int udev_get_log_priority(struct udev *udev) { - return log_get_max_level(); -} - -/** - * udev_set_log_priority: - * @udev: udev library context - * @priority: the new log priority - * - * This function is deprecated. - * - **/ -_public_ void udev_set_log_priority(struct udev *udev, int priority) { - log_set_max_level(priority); -} |