Revert "blkid: remove unused variable"

This reverts commit 0fd4b8132587a264f1e0df46eec7c12bba68c752.

diff --git a/misc-utils/blkid.c b/misc-utils/blkid.c
index 0d0ea6a222ebcd23a1f7ebae657c5c1ebb7e74cb..b3eade56b445d33d30b4c551571b6331f74dc8e8 100644 (file)
--- a/misc-utils/blkid.c
+++ b/misc-utils/blkid.c
@@ -366,7 +366,7 @@ static void print_tags(blkid_dev dev, char *show[], int output)
 
 static int append_str(char **res, size_t *sz, const char *a, const char *b)
 {
-       char *str;
+       char *str = *res;
        size_t asz = a ? strlen(a) : 0;
        size_t bsz = b ? strlen(b) : 0;
        size_t len = *sz + asz + bsz;
@@ -374,7 +374,7 @@ static int append_str(char **res, size_t *sz, const char *a, const char *b)
        if (!len)
                return -1;
 
-       str = xrealloc(str, len + 1);
+       *res = str = xrealloc(str, len + 1);
        str += *sz;
 
        if (a) {