*
* Userspace devfs
*
- * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
*
*
* This program is free software; you can redistribute it and/or modify it
#include <errno.h>
#include <ctype.h>
+#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
+#include "udev_lib.h"
#include "udev_version.h"
#include "logging.h"
#include "namedev.h"
-#include "libsysfs/libsysfs.h"
/* global variables */
char sysfs_path[SYSFS_PATH_MAX];
char default_mode_str[MODE_SIZE];
char default_owner_str[OWNER_SIZE];
char default_group_str[GROUP_SIZE];
+int udev_log;
+int udev_sleep;
+int udev_dev_d;
+static int string_is_true(char *str)
+{
+ if (strcasecmp(str, "true") == 0)
+ return 1;
+ if (strcasecmp(str, "yes") == 0)
+ return 1;
+ return 0;
+}
+
static void init_variables(void)
{
/* fill up the defaults.
strfieldcpy(udev_config_filename, UDEV_CONFIG_FILE);
strfieldcpy(udev_rules_filename, UDEV_RULES_FILE);
strfieldcpy(udev_permissions_filename, UDEV_PERMISSION_FILE);
+ udev_log = string_is_true(UDEV_LOG_DEFAULT);
+
+ udev_sleep = 1;
+ if (getenv("UDEV_NO_SLEEP") != NULL)
+ udev_sleep = 0;
+
+ udev_dev_d = 1;
+ if (getenv("UDEV_NO_DEVD") != NULL)
+ udev_dev_d = 0;
}
#define set_var(_name, _var) \
if (strcasecmp(variable, _name) == 0) { \
- dbg_parse("%s = '%s'", _name, value); \
- strncpy(_var, value, sizeof(_var)); \
+ dbg_parse("%s='%s'", _name, value); \
+ strfieldcpy(_var, value);\
+ }
+
+#define set_bool(_name, _var) \
+ if (strcasecmp(variable, _name) == 0) { \
+ dbg_parse("%s='%s'", _name, value); \
+ _var = string_is_true(value); \
}
+int parse_get_pair(char **orig_string, char **left, char **right)
+{
+ char *temp;
+ char *string = *orig_string;
+
+ if (!string)
+ return -ENODEV;
+
+ /* eat any whitespace */
+ while (isspace(*string) || *string == ',')
+ ++string;
+
+ /* split based on '=' */
+ temp = strsep(&string, "=");
+ *left = temp;
+ if (!string)
+ return -ENODEV;
+
+ /* take the right side and strip off the '"' */
+ while (isspace(*string))
+ ++string;
+ if (*string == '"')
+ ++string;
+ else
+ return -ENODEV;
+
+ temp = strsep(&string, "\"");
+ if (!string || *temp == '\0')
+ return -ENODEV;
+ *right = temp;
+ *orig_string = string;
+
+ return 0;
+}
+
static int parse_config_file(void)
{
char line[255];
char *temp;
char *variable;
char *value;
- FILE *fd;
- int lineno = 0;
+ char *buf;
+ size_t bufsize;
+ size_t cur;
+ size_t count;
+ int lineno;
int retval = 0;
-
- fd = fopen(udev_config_filename, "r");
- if (fd != NULL) {
+
+ if (file_map(udev_config_filename, &buf, &bufsize) == 0) {
dbg("reading '%s' as config file", udev_config_filename);
} else {
dbg("can't open '%s' as config file", udev_config_filename);
}
/* loop through the whole file */
+ lineno = 0;
+ cur = 0;
while (1) {
- /* get a line */
- temp = fgets(line, sizeof(line), fd);
- if (temp == NULL)
- goto exit;
+ count = buf_get_line(buf, bufsize, cur);
+
+ strncpy(line, buf + cur, count);
+ line[count] = '\0';
+ temp = line;
lineno++;
+ cur += count+1;
+ if (cur > bufsize)
+ break;
+
dbg_parse("read '%s'", temp);
/* eat the whitespace at the beginning of the line */
if (*temp == COMMENT_CHARACTER)
continue;
- retval = get_pair(&temp, &variable, &value);
+ retval = parse_get_pair(&temp, &variable, &value);
if (retval)
break;
set_var("default_mode", default_mode_str);
set_var("default_owner", default_owner_str);
set_var("default_group", default_group_str);
+ set_bool("udev_log", udev_log);
}
dbg_parse("%s:%d:%Zd: error parsing '%s'", udev_config_filename,
lineno, temp - line, temp);
-exit:
- fclose(fd);
+
+ file_unmap(buf, bufsize);
return retval;
}
dbg_parse("udev_db_filename = %s", udev_db_filename);
dbg_parse("udev_rules_filename = %s", udev_rules_filename);
dbg_parse("udev_permissions_filename = %s", udev_permissions_filename);
+ dbg_parse("udev_log = %d", udev_log);
parse_config_file();
dbg_parse("udev_root = %s", udev_root);
dbg_parse("udev_db_filename = %s", udev_db_filename);
dbg_parse("udev_rules_filename = %s", udev_rules_filename);
dbg_parse("udev_permissions_filename = %s", udev_permissions_filename);
+ dbg_parse("udev_log_str = %d", udev_log);
}
void udev_init_config(void)