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Diffstat (limited to 'namedev.c')
-rw-r--r--namedev.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/namedev.c b/namedev.c
index c9232fa2aa..505264554d 100644
--- a/namedev.c
+++ b/namedev.c
@@ -220,7 +220,7 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
char *pos2;
char *pos3;
char *attr;
- int num;
+ int len;
int i;
char c;
struct sysfs_attribute *tmpattr;
@@ -232,7 +232,7 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
if (pos != NULL) {
pos[0] = '\0';
tail = pos+1;
- num = get_format_len(&tail);
+ len = get_format_len(&tail);
c = tail[0];
strfieldcpy(temp, tail+1);
tail = temp;
@@ -274,7 +274,7 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
if (strlen(udev->program_result) == 0)
break;
/* get part part of the result string */
- i = num; /* num syntax is deprecated and will be removed */
+ i = 0;
if (attr != NULL)
i = atoi(attr);
if (i > 0) {
@@ -317,6 +317,10 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
dbg("unknown substitution type '%%%c'", c);
break;
}
+ /* truncate to specified length */
+ if (len > 0)
+ pos[len] = '\0';
+
strnfieldcat(string, tail, maxsize);
}
}