Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1233096

[PATCH 5/5] selinux: use sprintf return value

From Rasmus Villemoes <linux@rasmusvillemoes.dk>
Newsgroups linux.kernel
Subject [PATCH 5/5] selinux: use sprintf return value
Date 2015-09-26 00:40 +0200
Message-ID <qcJON-6x2-1@gated-at.bofh.it> (permalink)
References <qcJON-6x2-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


sprintf returns the number of characters printed (excluding '\0'), so
we can use that and avoid duplicating the length computation.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
 security/selinux/ss/services.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index aa2bdcb20848..ebb5eb3c318c 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1218,13 +1218,10 @@ static int context_struct_to_string(struct context *context, char **scontext, u3
 	/*
 	 * Copy the user name, role name and type name into the context.
 	 */
-	sprintf(scontextp, "%s:%s:%s",
+	scontextp += sprintf(scontextp, "%s:%s:%s",
 		sym_name(&policydb, SYM_USERS, context->user - 1),
 		sym_name(&policydb, SYM_ROLES, context->role - 1),
 		sym_name(&policydb, SYM_TYPES, context->type - 1));
-	scontextp += strlen(sym_name(&policydb, SYM_USERS, context->user - 1)) +
-		     1 + strlen(sym_name(&policydb, SYM_ROLES, context->role - 1)) +
-		     1 + strlen(sym_name(&policydb, SYM_TYPES, context->type - 1));
 
 	mls_sid_to_context(context, &scontextp);
 
-- 
2.1.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

[PATCH 5/5] selinux: use sprintf return value Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-09-26 00:40 +0200
  Re: [PATCH 5/5] selinux: use sprintf return value Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-09-30 17:10 +0200
  Re: [PATCH 5/5] selinux: use sprintf return value Paul Moore <paul@paul-moore.com> - 2015-09-30 18:50 +0200

csiph-web