svn commit: r305990 - head/usr.bin/hexdump

[Pedro F. Giffuni]

Author: pfg
Date: Mon Sep 19 18:35:22 2016
New Revision: 305990
URL: https://svnweb.freebsd.org/changeset/base/305990

Log:
  hexdump(1): Simplify by using asprintf(3)
  
  Instead of strlen() + calloc() + snprintf, just use asprintf().
  No functional change.
  
  Obtained from:	OpenBSD (CVS Rev. 1.22)

Modified:
  head/usr.bin/hexdump/parse.c

Modified: head/usr.bin/hexdump/parse.c
==============================================================================
--- head/usr.bin/hexdump/parse.c	Mon Sep 19 17:51:56 2016	(r305989)
+++ head/usr.bin/hexdump/parse.c	Mon Sep 19 18:35:22 2016	(r305990)
@@ -208,7 +208,6 @@ rewrite(FS *fs)
 	unsigned char *p1, *p2, *fmtp;
 	char savech, cs[3];
 	int nconv, prec;
-	size_t len;
 
 	prec = 0;
 
@@ -389,10 +388,8 @@ isint2:					switch(fu->bcnt) {
 			 */
 			savech = *p2;
 			p1[0] = '\0';
-			len = strlen(fmtp) + strlen(cs) + 1;
-			if ((pr->fmt = calloc(1, len)) == NULL)
+			if (asprintf(&pr->fmt, "%s%s", fmtp, cs) == -1)
 				err(1, NULL);
-			snprintf(pr->fmt, len, "%s%s", fmtp, cs);
 			*p2 = savech;
 			pr->cchar = pr->fmt + (p1 - fmtp);
 			fmtp = p2;