kexec.c: use print_array function

* kexec.c (print_seg): Change for use as print_array callback.
(print_kexec_segments): Use print_array.

diff --git a/kexec.c b/kexec.c
index 89b75282e88a8a4aaa9afd7c5cafc21b6bbb4fb9..02d6a57b4e2a5229ed88c070b1c495da66e346fb 100644 (file)
--- a/kexec.c
+++ b/kexec.c
@@ -37,50 +37,45 @@
 # define KEXEC_SEGMENT_MAX 16
 #endif
 
-static void
-print_seg(const unsigned long *seg)
+static bool
+print_seg(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
 {
+       const unsigned long *seg;
+       unsigned long seg_buf[4];
+
+        if (elem_size < sizeof(seg_buf)) {
+               unsigned int i;
+
+               for (i = 0; i < ARRAY_SIZE(seg_buf); ++i)
+                       seg_buf[i] = ((unsigned int *) elem_buf)[i];
+               seg = seg_buf;
+       } else {
+               seg = elem_buf;
+       }
+
        tprints("{");
        printaddr(seg[0]);
        tprintf(", %lu, ", seg[1]);
        printaddr(seg[2]);
        tprintf(", %lu}", seg[3]);
+
+       return true;
 }
 
 static void
 print_kexec_segments(struct tcb *tcp, const unsigned long addr,
                     const unsigned long len)
 {
-       unsigned long seg[4];
-       const size_t sizeof_seg = ARRAY_SIZE(seg) * current_wordsize;
-       unsigned int i;
-
-       if (!len) {
-               tprints("[]");
-               return;
-       }
-
        if (len > KEXEC_SEGMENT_MAX) {
                printaddr(addr);
                return;
        }
 
-       if (umove_ulong_array_or_printaddr(tcp, addr, seg, ARRAY_SIZE(seg)))
-               return;
-
-       tprints("[");
-       print_seg(seg);
-
-       for (i = 1; i < len; ++i) {
-               tprints(", ");
-               if (umove_ulong_array_or_printaddr(tcp,
-                                                  addr + i * sizeof_seg,
-                                                  seg, ARRAY_SIZE(seg)))
-                       break;
-               print_seg(seg);
-       }
+       unsigned long seg[4];
+       const size_t sizeof_seg = ARRAY_SIZE(seg) * current_wordsize;
 
-       tprints("]");
+       print_array(tcp, addr, len, seg, sizeof_seg,
+                   umoven_or_printaddr, print_seg, 0);
 }
 
 SYS_FUNC(kexec_load)