kconfig: avoid multiple calls to strlen

Calls to strlen are costly, so avoid calling strln as much as we can.

Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>

1 files changed, 5 insertions, 5 deletions

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index d550300ec00c..020a0ac147e1 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -967,7 +967,7 @@ static int sym_rel_comp( const void *sym1, const void *sym2 )
 {
         struct sym_match *s1 = *(struct sym_match **)sym1;
         struct sym_match *s2 = *(struct sym_match **)sym2;
-        int l1, l2;
+        int exact1, exact2;
 
         /* Exact match:
          * - if matched length on symbol s1 is the length of that symbol,
@@ -978,11 +978,11 @@ static int sym_rel_comp( const void *sym1, const void *sym2 )
          * exactly; if this is the case, we can't decide which comes first,
          * and we fallback to sorting alphabetically.
          */
-        l1 = s1->eo - s1->so;
-        l2 = s2->eo - s2->so;
-        if (l1 == strlen(s1->sym->name) && l2 != strlen(s2->sym->name))
+        exact1 = (s1->eo - s1->so) == strlen(s1->sym->name);
+        exact2 = (s2->eo - s2->so) == strlen(s2->sym->name);
+        if (exact1 && !exact2)
                 return -1;
-        if (l1 != strlen(s1->sym->name) && l2 == strlen(s2->sym->name))
+        if (!exact1 && exact2)
                 return 1;
 
         /* As a fallback, sort symbols alphabetically */