X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/99c03187afaf73b2816aa4047d440efb0e9136c6..fc80a87e4c7e921dca5edcf53373f60a76123a41:/util.c

diff --git a/util.c b/util.c
index ad7e3fde..06820a35 100644
--- a/util.c
+++ b/util.c
@@ -20,8 +20,8 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/util.c,v 1.85 2003-04-21 16:59:52 fenner Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/util.c,v 1.93 2004-04-29 02:15:16 mcr Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -199,27 +199,9 @@ relts_print(int secs)
  */
 
 int
-print_unknown_data(const u_char *cp,const char *lf,int len)
+print_unknown_data(const u_char *cp,const char *ident,int len)
 {
-        int i;
-
-        if (len ==0)
-	    return(0);
-
-	printf("%s0x0000: ",lf);
-	for(i=0;i<len;i++) {
-	    if (!TTEST2(*(cp+i), 1)) {
-              printf("%spacket exceeded snapshot",lf);
-              return(0);
-            }
-	    printf("%02x",*(cp+i));
-	    if (i%2)
-	        printf(" ");
-	    if (i/16!=(i+1)/16) {
-	        if (i<(len-1))
-		    printf("%s0x%04x: ",lf,i);
-	    }
-	}
+        hex_print(ident,cp,len);
 	return(1); /* everything is ok */
 }
 
@@ -227,11 +209,9 @@ print_unknown_data(const u_char *cp,const char *lf,int len)
  * Convert a token value to a string; use "fmt" if not found.
  */
 const char *
-tok2str(register const struct tok *lp, register const char *fmt,
-	register int v)
+tok2strbuf(register const struct tok *lp, register const char *fmt,
+	   register int v, char *buf, size_t bufsize)
 {
-	static char buf[128];
-
 	while (lp->s != NULL) {
 		if (lp->v == v)
 			return (lp->s);
@@ -239,8 +219,25 @@ tok2str(register const struct tok *lp, register const char *fmt,
 	}
 	if (fmt == NULL)
 		fmt = "#%d";
-	(void)snprintf(buf, sizeof(buf), fmt, v);
-	return (buf);
+
+	(void)snprintf(buf, bufsize, fmt, v);
+	return (const char *)buf;
+}
+
+/*
+ * Convert a token value to a string; use "fmt" if not found.
+ */
+const char *
+tok2str(register const struct tok *lp, register const char *fmt,
+	register int v)
+{
+	static char buf[4][128];
+	static int idx = 0;
+	char *ret;
+
+	ret = buf[idx];
+	idx = (idx+1) & 3;
+	return tok2strbuf(lp, fmt, v, ret, sizeof(buf[0]));
 }
 
 /*
@@ -249,7 +246,7 @@ tok2str(register const struct tok *lp, register const char *fmt,
  */
 char *
 bittok2str(register const struct tok *lp, register const char *fmt,
-	register int v)
+	   register int v)
 {
         static char buf[256]; /* our stringbuffer */
         int buflen=0;
@@ -328,15 +325,15 @@ mask2plen (u_int32_t mask)
 		0xffffff80, 0xffffffc0, 0xffffffe0, 0xfffffff0,
 		0xfffffff8, 0xfffffffc, 0xfffffffe, 0xffffffff
 	};
-	int prefix_len = 33;
+	int prefix_len = 32;
 
-        /* lets see if we can transform the mask into a prefixlen */
-        while (prefix_len >= 0) {
-            if (bitmasks[prefix_len] == mask)
-                break;
-            prefix_len--;
-        }
-        return (prefix_len);
+	/* let's see if we can transform the mask into a prefixlen */
+	while (prefix_len >= 0) {
+		if (bitmasks[prefix_len] == mask)
+			break;
+		prefix_len--;
+	}
+	return (prefix_len);
 }
 
 /* VARARGS */