MinGW compilation warnings in libiberty's xstrndup.c
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Message ID xnwp93e20b.fsf@greed.delorie.com
State New
Headers show

Commit Message

DJ Delorie May 26, 2017, 9:34 p.m. UTC
Please try this patch:

Comments

Eli Zaretskii May 28, 2017, 4:29 p.m. UTC | #1
> From: DJ Delorie <dj@redhat.com>
> Cc: gcc-patches@gcc.gnu.org, gdb-patches@sourceware.org
> Date: Fri, 26 May 2017 17:34:12 -0400
> 
> 
> Please try this patch:

Seems to work fine, thanks.

Patch
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Index: config.in
===================================================================
--- config.in	(revision 248482)
+++ config.in	(working copy)
@@ -76,12 +76,16 @@ 
 #undef HAVE_DECL_SBRK
 
 /* Define to 1 if you have the declaration of `snprintf', and to 0 if you
    don't. */
 #undef HAVE_DECL_SNPRINTF
 
+/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
+   don't. */
+#undef HAVE_DECL_STRNLEN
+
 /* Define to 1 if you have the declaration of `strtol', and to 0 if you don't.
    */
 #undef HAVE_DECL_STRTOL
 
 /* Define to 1 if you have the declaration of `strtoll', and to 0 if you
    don't. */
Index: configure
===================================================================
--- configure	(revision 248482)
+++ configure	(working copy)
@@ -5861,12 +5861,22 @@  else
   ac_have_decl=0
 fi
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_STRTOULL $ac_have_decl
 _ACEOF
+ac_fn_c_check_decl "$LINENO" "strnlen" "ac_cv_have_decl_strnlen" "$ac_includes_default"
+if test "x$ac_cv_have_decl_strnlen" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_STRNLEN $ac_have_decl
+_ACEOF
 
 
 $as_echo "#define HAVE_SYS_ERRLIST 1" >>confdefs.h
 
 
 $as_echo "#define HAVE_SYS_NERR 1" >>confdefs.h
@@ -7002,12 +7012,23 @@  else
 fi
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_STRVERSCMP $ac_have_decl
 _ACEOF
 
+  ac_fn_c_check_decl "$LINENO" "strnlen" "ac_cv_have_decl_strnlen" "$ac_includes_default"
+if test "x$ac_cv_have_decl_strnlen" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_STRNLEN $ac_have_decl
+_ACEOF
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether canonicalize_file_name must be declared" >&5
 $as_echo_n "checking whether canonicalize_file_name must be declared... " >&6; }
 if test "${libiberty_cv_decl_needed_canonicalize_file_name+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
Index: configure.ac
===================================================================
--- configure.ac	(revision 248482)
+++ configure.ac	(working copy)
@@ -413,13 +413,13 @@  if test "x" = "y"; then
      stpcpy stpncpy strcasecmp strchr strdup \
      strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
      strtol strtoul strtoll strtoull strverscmp sysconf sysctl sysmp \
     table times tmpnam \
     vasprintf vfprintf vprintf vsprintf \
     wait3 wait4 waitpid)
-  AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull])
+  AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull, strnlen])
   AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
   AC_DEFINE(HAVE_SYS_NERR,    1, [Define if you have the sys_nerr variable.])
   AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
 fi
 
 # For each of these functions, if the host does not provide the
@@ -686,12 +686,13 @@  if test -z "${setobjs}"; then
 
   AC_CHECK_FUNCS($checkfuncs)
   AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
   AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
   AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoull])
   AC_CHECK_DECLS([strverscmp])
+  AC_CHECK_DECLS([strnlen])
   libiberty_NEED_DECLARATION(canonicalize_file_name)
 fi
 
 # Figure out which version of pexecute to use.
 case "${host}" in
      *-*-mingw* | *-*-winnt*)	pexecute=pex-win32  ;;