X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=namedev.c;h=dfeadee18a7e5100b1e3ff35ac67ec1e41cafc55;hp=505264554db3b041b18d31fddb2ef2cffdfd528c;hb=d5f91372dd3241f8b4bbe2a99aaaeda541a76bad;hpb=63ead27c228f9306f175b14a49df2415d09ece10

diff --git a/namedev.c b/namedev.c
index 505264554..dfeadee18 100644
--- a/namedev.c
+++ b/namedev.c
@@ -198,7 +198,7 @@ static int get_format_len(char **str)
 
 	if (isdigit(*str[0])) {
 		num = (int) strtoul(*str, &tail, 10);
-		if (tail != NULL) {
+		if (num > 0) {
 			*str = tail;
 			dbg("format length=%i", num);
 			return num;
@@ -214,15 +214,15 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
 			 struct sysfs_device *sysfs_device)
 {
 	char temp[NAME_SIZE];
-	char temp1[NAME_SIZE];
+	char temp2[NAME_SIZE];
 	char *tail;
 	char *pos;
-	char *pos2;
-	char *pos3;
 	char *attr;
 	int len;
 	int i;
 	char c;
+	char *spos;
+	int slen;
 	struct sysfs_attribute *tmpattr;
 
 	pos = string;
@@ -278,20 +278,18 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
 			if (attr != NULL)
 				i = atoi(attr);
 			if (i > 0) {
-				strfieldcpy(temp1, udev->program_result);
-				pos2 = temp1;
-				while (i) {
+				foreach_strpart(udev->program_result, " \n\r", spos, slen) {
 					i--;
-					pos3 = strsep(&pos2, " ");
-					if (pos3 == NULL) {
-						dbg("requested part of result string not found");
+					if (i == 0)
 						break;
-					}
 				}
-				if (pos3) {
-					strnfieldcat(string, pos3, maxsize);
-					dbg("substitute part of result string '%s'", pos3);
+				if (i > 0) {
+					dbg("requested part of result string not found");
+					break;
 				}
+				strnfieldcpy(temp2, spos, slen+1);
+				strnfieldcat(string, temp2, maxsize);
+				dbg("substitute part of result string '%s'", temp2);
 			} else {
 				strnfieldcat(string, udev->program_result, maxsize);
 				dbg("substitute result string '%s'", udev->program_result);
@@ -527,6 +525,8 @@ attr_found:
 static int compare_sysfs_attribute(struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device, struct sysfs_pair *pair)
 {
 	struct sysfs_attribute *tmpattr;
+	int i;
+	int len;
 
 	if ((pair == NULL) || (pair->file[0] == '\0') || (pair->value == '\0'))
 		return -ENODEV;
@@ -535,6 +535,18 @@ static int compare_sysfs_attribute(struct sysfs_class_device *class_dev, struct
 	if (tmpattr == NULL)
 		return -ENODEV;
 
+	/* strip trailing whitespace of value, if not asked to match for it */
+	if (! isspace(pair->value[strlen(pair->value)-1])) {
+		i = len = strlen(tmpattr->value);
+		while (i > 0 &&  isspace(tmpattr->value[i-1]))
+			i--;
+		if (i < len) {
+			tmpattr->value[i] = '\0';
+			dbg("remove %i trailing whitespace chars from '%s'",
+			    len - i, tmpattr->value);
+		}
+	}
+
 	dbg("compare attribute '%s' value '%s' with '%s'",
 		  pair->file, tmpattr->value, pair->value);
 	if (strcmp_pattern(pair->value, tmpattr->value) != 0)
@@ -822,7 +834,7 @@ int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *ud
 		if (match_rule(dev, class_dev, udev, sysfs_device) == 0) {
 			if (dev->name[0] == '\0' && dev->symlink[0] == '\0') {
 				info("configured rule in '%s' at line %i applied, '%s' is ignored",
-				     udev_rules_filename, dev->config_line, udev->kernel_name);
+				     dev->config_file, dev->config_line, udev->kernel_name);
 				return -1;
 			}
 
@@ -830,7 +842,7 @@ int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *ud
 				char temp[NAME_MAX];
 
 				info("configured rule in '%s' at line %i applied, added symlink '%s'",
-				     udev_rules_filename, dev->config_line, dev->symlink);
+				     dev->config_file, dev->config_line, dev->symlink);
 				/* do not clobber dev */
 				strfieldcpy(temp, dev->symlink);
 				apply_format(udev, temp, sizeof(temp),
@@ -841,7 +853,7 @@ int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *ud
 
 			if (dev->name[0] != '\0') {
 				info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
-				     udev_rules_filename, dev->config_line, udev->kernel_name, dev->name);
+				     dev->config_file, dev->config_line, udev->kernel_name, dev->name);
 				strfieldcpy(udev->name, dev->name);
 				goto found;
 			}