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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sat, 31 May 2014 22:25:46 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r266932 - head/bin/sh
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Author: jilles
Date: Sat May 31 22:25:45 2014
New Revision: 266932
URL: http://svnweb.freebsd.org/changeset/base/266932

Log:
  sh: Simplify find_command() slightly.

Modified:
  head/bin/sh/exec.c

Modified: head/bin/sh/exec.c
==============================================================================
--- head/bin/sh/exec.c	Sat May 31 21:12:14 2014	(r266931)
+++ head/bin/sh/exec.c	Sat May 31 22:25:45 2014	(r266932)
@@ -362,15 +362,13 @@ find_command(const char *name, struct cm
 
 	e = ENOENT;
 	idx = -1;
-loop:
-	while ((fullname = padvance(&path, name)) != NULL) {
-		stunalloc(fullname);
+	for (;(fullname = padvance(&path, name)) != NULL; stunalloc(fullname)) {
 		idx++;
 		if (pathopt) {
 			if (prefix("func", pathopt)) {
 				/* handled below */
 			} else {
-				goto loop;	/* ignore unimplemented options */
+				continue; /* ignore unimplemented options */
 			}
 		}
 		if (fullname[0] != '/')
@@ -378,13 +376,12 @@ loop:
 		if (stat(fullname, &statb) < 0) {
 			if (errno != ENOENT && errno != ENOTDIR)
 				e = errno;
-			goto loop;
+			continue;
 		}
 		e = EACCES;	/* if we fail, this will be the error */
 		if (!S_ISREG(statb.st_mode))
-			goto loop;
+			continue;
 		if (pathopt) {		/* this is a %func directory */
-			stalloc(strlen(fullname) + 1);
 			readcmdfile(fullname);
 			if ((cmdp = cmdlookup(name, 0)) == NULL || cmdp->cmdtype != CMDFUNCTION)
 				error("%s not defined in %s", name, fullname);
@@ -405,6 +402,7 @@ loop:
 #endif
 		TRACE(("searchexec \"%s\" returns \"%s\"\n", name, fullname));
 		INTOFF;
+		stunalloc(fullname);
 		cmdp = cmdlookup(name, 1);
 		if (cmdp->cmdtype == CMDFUNCTION)
 			cmdp = &loc_cmd;