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-rw-r--r--lib/vsprintf.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 89f8a4a4b770..30c0cb8cc9bc 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -336,7 +336,7 @@ char *put_dec(char *buf, unsigned long long n)
*
* If speed is not important, use snprintf(). It's easy to read the code.
*/
-int num_to_str(char *buf, int size, unsigned long long num)
+int num_to_str(char *buf, int size, unsigned long long num, unsigned int width)
{
/* put_dec requires 2-byte alignment of the buffer. */
char tmp[sizeof(num) * 3] __aligned(2);
@@ -350,11 +350,21 @@ int num_to_str(char *buf, int size, unsigned long long num)
len = put_dec(tmp, num) - tmp;
}
- if (len > size)
+ if (len > size || width > size)
return 0;
+
+ if (width > len) {
+ width = width - len;
+ for (idx = 0; idx < width; idx++)
+ buf[idx] = ' ';
+ } else {
+ width = 0;
+ }
+
for (idx = 0; idx < len; ++idx)
- buf[idx] = tmp[len - idx - 1];
- return len;
+ buf[idx + width] = tmp[len - idx - 1];
+
+ return len + width;
}
#define SIGN 1 /* unsigned/signed, must be 1 */