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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-04-06 15:42:18 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-04-14 12:39:14 -0400
commit4beac74e69f87c2c8d13c10326a075b9b9ece501 (patch)
tree8c27eefc5d2e6644f61eb5f05043eff024e7a5d3 /src/udev
parent70c79983e1abae17c46969b024d0b9e6a3b83d00 (diff)
udev-builtin-usb_id: simplification
Diffstat (limited to 'src/udev')
-rw-r--r--src/udev/udev-builtin-usb_id.c36
1 files changed, 14 insertions, 22 deletions
diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
index 25ae032cfb..9418a6b850 100644
--- a/src/udev/udev-builtin-usb_id.c
+++ b/src/udev/udev-builtin-usb_id.c
@@ -229,17 +229,17 @@ static int dev_if_packed_info(struct udev_device *dev, char *ifs_str, size_t len
* is concatenated with the identification with an underscore '_'.
*/
static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool test) {
- char vendor_str[64];
+ char vendor_str[64] = "";
char vendor_str_enc[256];
const char *vendor_id;
- char model_str[64];
+ char model_str[64] = "";
char model_str_enc[256];
const char *product_id;
- char serial_str[UTIL_NAME_SIZE];
- char packed_if_str[UTIL_NAME_SIZE];
- char revision_str[64];
- char type_str[64];
- char instance_str[64];
+ char serial_str[UTIL_NAME_SIZE] = "";
+ char packed_if_str[UTIL_NAME_SIZE] = "";
+ char revision_str[64] = "";
+ char type_str[64] = "";
+ char instance_str[64] = "";
const char *ifnum = NULL;
const char *driver = NULL;
char serial[256];
@@ -252,14 +252,6 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
size_t l;
char *s;
- vendor_str[0] = '\0';
- model_str[0] = '\0';
- serial_str[0] = '\0';
- packed_if_str[0] = '\0';
- revision_str[0] = '\0';
- type_str[0] = '\0';
- instance_str[0] = '\0';
-
/* shortcut, if we are called directly for a "usb_device" type */
if (udev_device_get_devtype(dev) != NULL && streq(udev_device_get_devtype(dev), "usb_device")) {
dev_if_packed_info(dev, packed_if_str, sizeof(packed_if_str));
@@ -310,7 +302,7 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
dev_if_packed_info(dev_usb, packed_if_str, sizeof(packed_if_str));
/* mass storage : SCSI or ATAPI */
- if ((protocol == 6 || protocol == 2)) {
+ if (protocol == 6 || protocol == 2) {
struct udev_device *dev_scsi;
const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev;
int host, bus, target, lun;
@@ -438,10 +430,10 @@ fallback:
s = serial;
l = strpcpyl(&s, sizeof(serial), vendor_str, "_", model_str, NULL);
- if (serial_str[0] != '\0')
+ if (isempty(serial_str))
l = strpcpyl(&s, l, "_", serial_str, NULL);
- if (instance_str[0] != '\0')
+ if (isempty(instance_str))
strpcpyl(&s, l, "-", instance_str, NULL);
udev_builtin_add_property(dev, test, "ID_VENDOR", vendor_str);
@@ -452,14 +444,14 @@ fallback:
udev_builtin_add_property(dev, test, "ID_MODEL_ID", product_id);
udev_builtin_add_property(dev, test, "ID_REVISION", revision_str);
udev_builtin_add_property(dev, test, "ID_SERIAL", serial);
- if (serial_str[0] != '\0')
+ if (isempty(serial_str))
udev_builtin_add_property(dev, test, "ID_SERIAL_SHORT", serial_str);
- if (type_str[0] != '\0')
+ if (isempty(type_str))
udev_builtin_add_property(dev, test, "ID_TYPE", type_str);
- if (instance_str[0] != '\0')
+ if (isempty(instance_str))
udev_builtin_add_property(dev, test, "ID_INSTANCE", instance_str);
udev_builtin_add_property(dev, test, "ID_BUS", "usb");
- if (packed_if_str[0] != '\0')
+ if (isempty(packed_if_str))
udev_builtin_add_property(dev, test, "ID_USB_INTERFACES", packed_if_str);
if (ifnum != NULL)
udev_builtin_add_property(dev, test, "ID_USB_INTERFACE_NUM", ifnum);