Add probe for snprintf () and vsnprintf ()

Subject: [PATCH] snprintf() and vsnprintf() (was Re: [PATCH] Configure: stdio char (un)signedness)
Message-ID: <20060102153727.GA14247@mccoy.peters.homeunix.org>

p4raw-id: //depot/perl@26606

diff --git a/Configure b/Configure
index a299404..ccb7aae 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -26,7 +26,7 @@
 
 # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
 #
-# Generated on Sun Jan  1 11:31:40 CET 2006 [metaconfig 3.0 PL70]
+# Generated on Tue Jan  3 16:44:36 CET 2006 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -681,6 +681,8 @@ d_sigaction=''
 d_sigprocmask=''
 d_sigsetjmp=''
 usesitecustomize=''
+d_snprintf=''
+d_vsnprintf=''
 d_sockatmark=''
 d_sockatmarkproto=''
 d_msg_ctrunc=''
@@ -16536,6 +16538,14 @@ set d_sigsetjmp
 eval $setvar
 $rm -f try.c try
 
+: see if snprintf exists
+set snprintf d_snprintf
+eval $inlibc
+
+: see if vsnprintf exists
+set vsnprintf d_vsnprintf
+eval $inlibc
+
 : see if sockatmark exists
 set sockatmark d_sockatmark
 eval $inlibc
@@ -21375,6 +21385,7 @@ d_shmget='$d_shmget'
 d_sigaction='$d_sigaction'
 d_sigprocmask='$d_sigprocmask'
 d_sigsetjmp='$d_sigsetjmp'
+d_snprintf='$d_snprintf'
 d_sockatmark='$d_sockatmark'
 d_sockatmarkproto='$d_sockatmarkproto'
 d_socket='$d_socket'
@@ -21456,6 +21467,7 @@ d_voidsig='$d_voidsig'
 d_voidtty='$d_voidtty'
 d_volatile='$d_volatile'
 d_vprintf='$d_vprintf'
+d_vsnprintf='$d_vsnprintf'
 d_wait4='$d_wait4'
 d_waitpid='$d_waitpid'
 d_wcstombs='$d_wcstombs'

diff --git a/config_h.SH b/config_h.SH
index 2588ec9..232152e 100644 (file)
--- a/config_h.SH
+++ b/config_h.SH
@@ -2321,6 +2321,17 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$usesitecustomize     USE_SITECUSTOMIZE               /**/
 
+/* HAS_SNPRINTF:
+ *     This symbol, if defined, indicates that the snprintf () library
+ *     function is available for use.
+ */
+/* HAS_VSNPRINTF:
+ *     This symbol, if defined, indicates that the vsnprintf () library
+ *     function is available for use.
+ */
+#$d_snprintf HAS_SNPRINTF      /**/
+#$d_vsnprintf HAS_VSNPRINTF    /**/
+
 /* HAS_SOCKET:
  *     This symbol, if defined, indicates that the BSD socket interface is
  *     supported.

diff --git a/handy.h b/handy.h
index fb11132..6c87f91 100644 (file)
--- a/handy.h
+++ b/handy.h
@@ -175,7 +175,7 @@ typedef U64TYPE U64;
 #endif
 
 /* HMB H.Merijn Brand - a placeholder for preparing Configure patches */
-#if defined(HAS_MALLOC_SIZE) && defined(HAS_MALLOC_GOOD_SIZE) && defined(HAS_CLEARENV)
+#if defined(HAS_MALLOC_SIZE) && defined(HAS_SNPRINTF) && defined(HAS_VSNPRINTF)
 /* Not (yet) used at top level, but mention them for metaconfig */
 #endif