X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev_config.c;h=57a512d711464f1dd32ef52ecfa005cb283d3a23;hb=b658bc09a1ae34f57d7719ecad74caf571d5cdf8;hp=ec38272bc595aea3d84e1bbf4d9c03ba26c542d8;hpb=4d803d8d04a8493f8efc039c7789c65be33048a0;p=elogind.git

diff --git a/udev_config.c b/udev_config.c
index ec38272bc..57a512d71 100644
--- a/udev_config.c
+++ b/udev_config.c
@@ -32,11 +32,12 @@
 #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];
@@ -48,9 +49,19 @@ char udev_config_filename[PATH_MAX+NAME_MAX];
 char default_mode_str[MODE_SIZE];
 char default_owner_str[OWNER_SIZE];
 char default_group_str[GROUP_SIZE];
-char udev_log_str[BOOL_SIZE];
+int udev_log;
+int udev_sleep;
 
 
+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.  
@@ -61,13 +72,23 @@ static void init_variables(void)
 	strfieldcpy(udev_config_filename, UDEV_CONFIG_FILE);
 	strfieldcpy(udev_rules_filename, UDEV_RULES_FILE);
 	strfieldcpy(udev_permissions_filename, UDEV_PERMISSION_FILE);
-	strfieldcpy(udev_log_str, UDEV_LOG_DEFAULT);
+	udev_log = string_is_true(UDEV_LOG_DEFAULT);
+
+	udev_sleep = 1;
+	if (getenv("UDEV_NO_SLEEP") != NULL)
+		udev_sleep = 0;
 }
 
 #define set_var(_name, _var)				\
 	if (strcasecmp(variable, _name) == 0) {		\
 		dbg_parse("%s = '%s'", _name, value);	\
-		strncpy(_var, value, sizeof(_var));	\
+		strfieldcpymax(_var, value, sizeof(_var));\
+	}
+
+#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)
@@ -111,12 +132,14 @@ static int parse_config_file(void)
 	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);
@@ -124,13 +147,20 @@ static int parse_config_file(void)
 	}
 
 	/* 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 */
@@ -158,12 +188,12 @@ static int parse_config_file(void)
 		set_var("default_mode", default_mode_str);
 		set_var("default_owner", default_owner_str);
 		set_var("default_group", default_group_str);
-		set_var("udev_log", udev_log_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;
 }
 
@@ -194,7 +224,7 @@ static void get_dirs(void)
 	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 = %s", udev_log_str);
+	dbg_parse("udev_log = %d", udev_log);
 	parse_config_file();
 
 	dbg_parse("udev_root = %s", udev_root);
@@ -202,7 +232,7 @@ static void get_dirs(void)
 	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 = %s", udev_log_str);
+	dbg_parse("udev_log_str = %d", udev_log);
 }
 
 void udev_init_config(void)