Make printf-like and scanf-like functions marked as such in llib-lc.ln

and llib-lwrap.ln databases;  so that the lint features doing format
strings checks are enabled by default.

Looks good to millert@.

15 files changed, 34 insertions, 15 deletions

diff --git a/lib/libc/gen/err.c b/lib/libc/gen/err.c
index 3ee4bbcdc88..ff335938214 100644
--- a/lib/libc/gen/err.c
+++ b/lib/libc/gen/err.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: err.c,v 1.9 2005/08/08 08:05:33 espie Exp $ */
+/*	$OpenBSD: err.c,v 1.10 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -32,6 +32,7 @@
 #include <err.h>
 #include <stdarg.h>
 
+/* PRINTFLIKE2 */
 __dead void
 _err(int eval, const char *fmt, ...)
 {
@@ -42,5 +43,6 @@ _err(int eval, const char *fmt, ...)
 	va_end(ap);
 }
 
+/* PRINTFLIKE2 */
 __weak_alias(err, _err);
 
diff --git a/lib/libc/gen/errx.c b/lib/libc/gen/errx.c
index 964ff8a3940..688e2576c67 100644
--- a/lib/libc/gen/errx.c
+++ b/lib/libc/gen/errx.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: errx.c,v 1.8 2005/08/08 08:05:34 espie Exp $ */
+/*	$OpenBSD: errx.c,v 1.9 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -32,6 +32,7 @@
 #include <err.h>
 #include <stdarg.h>
 
+/* PRINTFLIKE2 */
 __dead void
 _errx(int eval, const char *fmt, ...)
 {
@@ -42,5 +43,6 @@ _errx(int eval, const char *fmt, ...)
 	va_end(ap);
 }
 
+/* PRINTFLIKE2 */
 __weak_alias(errx, _errx);
 
diff --git a/lib/libc/gen/setproctitle.c b/lib/libc/gen/setproctitle.c
index 569c9c146c8..259c31d3507 100644
--- a/lib/libc/gen/setproctitle.c
+++ b/lib/libc/gen/setproctitle.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: setproctitle.c,v 1.11 2005/08/08 08:05:34 espie Exp $ */
+/*	$OpenBSD: setproctitle.c,v 1.12 2011/05/30 18:48:33 martynas Exp $ */
 /*
  * Copyright (c) 1994, 1995 Christopher G. Demetriou
  * All rights reserved.
@@ -44,6 +44,7 @@
 
 extern char *__progname;		/* Program name, from crt0. */
 
+/* PRINTFLIKE1 */
 void
 setproctitle(const char *fmt, ...)
 {
diff --git a/lib/libc/gen/syslog.c b/lib/libc/gen/syslog.c
index 46c04a08ddd..e713b64edcf 100644
--- a/lib/libc/gen/syslog.c
+++ b/lib/libc/gen/syslog.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: syslog.c,v 1.30 2009/11/18 07:43:22 guenther Exp $ */
+/*	$OpenBSD: syslog.c,v 1.31 2011/05/30 18:48:33 martynas Exp $ */
 /*
  * Copyright (c) 1983, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -63,6 +63,7 @@ gettime(char *buf, size_t maxsize)
  * syslog, vsyslog --
  *	print message on log file; output is intended for syslogd(8).
  */
+/* PRINTFLIKE2 */
 void
 syslog(int pri, const char *fmt, ...)
 {
diff --git a/lib/libc/gen/syslog_r.c b/lib/libc/gen/syslog_r.c
index 6e38a62d276..2a966a4ba62 100644
--- a/lib/libc/gen/syslog_r.c
+++ b/lib/libc/gen/syslog_r.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: syslog_r.c,v 1.2 2009/11/21 10:23:31 chl Exp $ */
+/*	$OpenBSD: syslog_r.c,v 1.3 2011/05/30 18:48:33 martynas Exp $ */
 /*
  * Copyright (c) 1983, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -54,6 +54,7 @@ void	__vsyslog_r(int pri, struct syslog_data *, size_t (*)(char *, size_t),
 
 /* Reentrant version of syslog, i.e. syslog_r() */
 
+/* PRINTFLIKE3 */
 void
 syslog_r(int pri, struct syslog_data *data, const char *fmt, ...)
 {
diff --git a/lib/libc/gen/warn.c b/lib/libc/gen/warn.c
index bbff436f59b..4da071155de 100644
--- a/lib/libc/gen/warn.c
+++ b/lib/libc/gen/warn.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: warn.c,v 1.8 2005/08/08 08:05:34 espie Exp $ */
+/*	$OpenBSD: warn.c,v 1.9 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -32,6 +32,7 @@
 #include <err.h>
 #include <stdarg.h>
 
+/* PRINTFLIKE1 */
 void
 _warn(const char *fmt, ...)
 {
@@ -42,5 +43,6 @@ _warn(const char *fmt, ...)
 	va_end(ap);
 }
 
+/* PRINTFLIKE1 */
 __weak_alias(warn, _warn);
 
diff --git a/lib/libc/gen/warnx.c b/lib/libc/gen/warnx.c
index 42a15778c68..8a94cbd0905 100644
--- a/lib/libc/gen/warnx.c
+++ b/lib/libc/gen/warnx.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: warnx.c,v 1.7 2005/08/08 08:05:34 espie Exp $ */
+/*	$OpenBSD: warnx.c,v 1.8 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -32,6 +32,7 @@
 #include <err.h>
 #include <stdarg.h>
 
+/* PRINTFLIKE1 */
 void
 _warnx(const char *fmt, ...)
 {
@@ -42,5 +43,6 @@ _warnx(const char *fmt, ...)
 	va_end(ap);
 }
 
+/* PRINTFLIKE1 */
 __weak_alias(warnx, _warnx);
 
diff --git a/lib/libc/stdio/asprintf.c b/lib/libc/stdio/asprintf.c
index d1d023a6b4a..5424c90dc9d 100644
--- a/lib/libc/stdio/asprintf.c
+++ b/lib/libc/stdio/asprintf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: asprintf.c,v 1.18 2009/11/09 00:18:27 kurt Exp $	*/
+/*	$OpenBSD: asprintf.c,v 1.19 2011/05/30 18:48:33 martynas Exp $	*/
 
 /*
  * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -23,6 +23,7 @@
 #include <stdarg.h>
 #include "local.h"
 
+/* PRINTFLIKE2 */
 int
 asprintf(char **str, const char *fmt, ...)
 {
diff --git a/lib/libc/stdio/fprintf.c b/lib/libc/stdio/fprintf.c
index 7415b2fca39..a391142ea25 100644
--- a/lib/libc/stdio/fprintf.c
+++ b/lib/libc/stdio/fprintf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fprintf.c,v 1.6 2005/08/08 08:05:36 espie Exp $ */
+/*	$OpenBSD: fprintf.c,v 1.7 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -34,6 +34,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+/* PRINTFLIKE2 */
 int
 fprintf(FILE *fp, const char *fmt, ...)
 {
diff --git a/lib/libc/stdio/fscanf.c b/lib/libc/stdio/fscanf.c
index 2f3fcebb21b..5fd10d4a464 100644
--- a/lib/libc/stdio/fscanf.c
+++ b/lib/libc/stdio/fscanf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fscanf.c,v 1.9 2005/10/10 17:37:44 espie Exp $ */
+/*	$OpenBSD: fscanf.c,v 1.10 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -34,6 +34,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+/* SCANFLIKE2 */
 int
 fscanf(FILE *fp, const char *fmt, ...)
 {
diff --git a/lib/libc/stdio/printf.c b/lib/libc/stdio/printf.c
index 614b4351548..09bb3d7f7db 100644
--- a/lib/libc/stdio/printf.c
+++ b/lib/libc/stdio/printf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: printf.c,v 1.7 2005/08/08 08:05:36 espie Exp $ */
+/*	$OpenBSD: printf.c,v 1.8 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -34,6 +34,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+/* PRINTFLIKE1 */
 int
 printf(const char *fmt, ...)
 {
diff --git a/lib/libc/stdio/scanf.c b/lib/libc/stdio/scanf.c
index 71194d04e7a..90cf12a3ba7 100644
--- a/lib/libc/stdio/scanf.c
+++ b/lib/libc/stdio/scanf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: scanf.c,v 1.9 2005/08/08 08:05:36 espie Exp $ */
+/*	$OpenBSD: scanf.c,v 1.10 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -34,6 +34,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+/* SCANFLIKE1 */
 int
 scanf(const char *fmt, ...)
 {
diff --git a/lib/libc/stdio/snprintf.c b/lib/libc/stdio/snprintf.c
index 09659c8fb7d..7b087e95dd1 100644
--- a/lib/libc/stdio/snprintf.c
+++ b/lib/libc/stdio/snprintf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: snprintf.c,v 1.17 2009/11/09 00:18:27 kurt Exp $ */
+/*	$OpenBSD: snprintf.c,v 1.18 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -37,6 +37,7 @@
 #include <stdarg.h>
 #include "local.h"
 
+/* PRINTFLIKE3 */
 int
 snprintf(char *str, size_t n, const char *fmt, ...)
 {
diff --git a/lib/libc/stdio/sprintf.c b/lib/libc/stdio/sprintf.c
index faa7c73ca20..0ca6b055bad 100644
--- a/lib/libc/stdio/sprintf.c
+++ b/lib/libc/stdio/sprintf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sprintf.c,v 1.16 2009/11/09 00:18:27 kurt Exp $ */
+/*	$OpenBSD: sprintf.c,v 1.17 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -42,6 +42,7 @@ __warn_references(sprintf,
     "warning: sprintf() is often misused, please use snprintf()");
 #endif
 
+/* PRINTFLIKE2 */
 int
 sprintf(char *str, const char *fmt, ...)
 {
diff --git a/lib/libc/stdio/sscanf.c b/lib/libc/stdio/sscanf.c
index a0bdf1c5262..ca6b33c9e3c 100644
--- a/lib/libc/stdio/sscanf.c
+++ b/lib/libc/stdio/sscanf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sscanf.c,v 1.12 2005/08/08 08:05:36 espie Exp $ */
+/*	$OpenBSD: sscanf.c,v 1.13 2011/05/30 18:48:33 martynas Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -44,6 +44,7 @@ eofread(void *cookie, char *buf, int len)
 	return (0);
 }
 
+/* SCANFLIKE2 */
 int
 sscanf(const char *str, const char *fmt, ...)
 {