sfio sfswap: realign 'f1mode' type with its use

Squashes three -Wsign-conversion warnings.

diff --git a/lib/sfio/sfswap.c b/lib/sfio/sfswap.c
index 73194dc6655618592fc1ec4c496668698d4305e7..89cd82ac0b3001c40c156e038dd6da970a42e0e0 100644 (file)
--- a/lib/sfio/sfswap.c
+++ b/lib/sfio/sfswap.c
@@ -22,7 +22,7 @@
 Sfio_t *sfswap(Sfio_t * f1, Sfio_t * f2)
 {
     Sfio_t tmp;
-    int f1pool, f2pool, f1mode, f1flags, f2flags;
+    int f1pool, f2pool, f1flags, f2flags;
     unsigned f2mode;
 
     if (!f1 || (f1->mode & SF_AVAIL)
@@ -33,7 +33,7 @@ Sfio_t *sfswap(Sfio_t * f1, Sfio_t * f2)
     if (f1 == f2)
        return f2;
 
-    f1mode = f1->mode;
+    unsigned f1mode = f1->mode;
     SFLOCK(f1, 0);
     f1->mode |= SF_PUSH;       /* make sure there is no recursion on f1 */