Nicolas Le Cam : kernel32/tests: Simplify dumpmem function.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7ae21483ec455df9107649787fce9986b59bb5de
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7ae21483ec455df9107649787fce9986b59bb5de

Author: Nicolas Le Cam <niko.lecam at gmail.com>
Date:   Wed Dec  2 02:00:20 2009 +0100

kernel32/tests: Simplify dumpmem function.

---

 dlls/kernel32/tests/file.c |   43 ++++++++++++++++---------------------------
 1 files changed, 16 insertions(+), 27 deletions(-)

diff --git a/dlls/kernel32/tests/file.c b/dlls/kernel32/tests/file.c
index 3cc9022..90fdee2 100644
--- a/dlls/kernel32/tests/file.c
+++ b/dlls/kernel32/tests/file.c
@@ -702,33 +702,22 @@ static void test_CopyFileW(void)
 /*
  *   Debugging routine to dump a buffer in a hexdump-like fashion.
  */
-static void dumpmem(unsigned char* mem, int len) {
-    int x,y;
-    char buf[200];
-    int ln=0;
-
-    for (x=0; x<len; x+=16) {
-        ln += sprintf(buf+ln, "%04x: ",x);
-        for (y=0; y<16; y++) {
-            if ((x+y)>len) {
-                ln += sprintf(buf+ln, "   ");
-            } else {
-                ln += sprintf(buf+ln, "%02hhx ",mem[x+y]);
-            }
-        }
-        ln += sprintf(buf+ln, "- ");
-        for (y=0; y<16; y++) {
-            if ((x+y)<=len) {
-                if (mem[x+y]<32 || mem[x+y]>127) {
-                    ln += sprintf(buf+ln, ".");
-                } else {
-                    ln += sprintf(buf+ln, "%c",mem[x+y]);
-                }
-            }
-        }
-        sprintf(buf+ln, "\n");
-        trace(buf);
-        ln = 0;
+static void dumpmem(unsigned char *mem, int len)
+{
+    int x = 0;
+    char hex[49], *p;
+    char txt[17], *c;
+
+    while (x < len)
+    {
+        p = hex;
+        c = txt;
+        do {
+            p += sprintf(p, "%02hhx ", mem[x]);
+            *c++ = (mem[x] >= 32 && mem[x] <= 127) ? mem[x] : '.';
+        } while (++x % 16 && x < len);
+        *c = '\0';
+        trace("%04x: %-48s- %s\n", x, hex, txt);
     }
 }