Update upstream source from tag 'upstream/3.24'

Update to upstream version '3.24'
with Debian dir 0a6e08a83f1f2a2aa8e726c19c24ed27cb08f134

8 files changed, 43 insertions, 36 deletions

diff --git a/configure b/configure
index ccbfcdb..2e849c1 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for libHX 3.23.
+# Generated by GNU Autoconf 2.69 for libHX 3.24.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -587,8 +587,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libHX'
 PACKAGE_TARNAME='libhx'
-PACKAGE_VERSION='3.23'
-PACKAGE_STRING='libHX 3.23'
+PACKAGE_VERSION='3.24'
+PACKAGE_STRING='libHX 3.24'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1342,7 +1342,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libHX 3.23 to adapt to many kinds of systems.
+\`configure' configures libHX 3.24 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1412,7 +1412,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libHX 3.23:";;
+     short | recursive ) echo "Configuration of libHX 3.24:";;
    esac
   cat <<\_ACEOF
 
@@ -1527,7 +1527,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libHX configure 3.23
+libHX configure 3.24
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2253,7 +2253,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libHX $as_me 3.23, which was
+It was created by libHX $as_me 3.24, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3119,7 +3119,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libhx'
- VERSION='3.23'
+ VERSION='3.24'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -17720,7 +17720,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libHX $as_me 3.23, which was
+This file was extended by libHX $as_me 3.24, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -17786,7 +17786,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libHX config.status 3.23
+libHX config.status 3.24
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 04ff937..f03a863 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([libHX], [3.23])
+AC_INIT([libHX], [3.24])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/doc/changelog.txt b/doc/changelog.txt
index 6ce5889..9aff713 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -1,5 +1,12 @@
 
 
+v3.24 (2018-10-17)
+==================
+Fixes:
+- defs: avoid compiler warning when using HX_list_for_each when used in C++
+- opt: synchronize HXOPT_AUTOHELP C behavior to C++ mode
+
+
 v3.23 (2018-08-28)
 ==================
 Enhancements:
diff --git a/doc/libHX_Documentation.lyx b/doc/libHX_Documentation.lyx
index afaff61..a28f1c6 100644
--- a/doc/libHX_Documentation.lyx
+++ b/doc/libHX_Documentation.lyx
@@ -91,7 +91,7 @@
 \begin_body
 
 \begin_layout Title
-libHX 3.23
+libHX 3.24
 \begin_inset Newline newline
 \end_inset
 
diff --git a/doc/libHX_Documentation.pdf b/doc/libHX_Documentation.pdf
index 40e8c81..1e9db69 100644
--- a/doc/libHX_Documentation.pdf
+++ b/doc/libHX_Documentation.pdf
diff --git a/include/libHX/list.h b/include/libHX/list.h
index 3146c22..f226bec 100644
--- a/include/libHX/list.h
+++ b/include/libHX/list.h
@@ -63,37 +63,37 @@ static __inline__ bool HXlist_empty(const struct HXlist_head *head)
 }
 
 #define HXlist_for_each(pos, head) \
-	for ((pos) = (head)->next; (pos) != static_cast(void *, (head)); \
+	for ((pos) = (head)->next; (pos) != static_cast(const void *, (head)); \
 	     (pos) = (pos)->next)
 
 #define HXlist_for_each_rev(pos, head) \
-	for ((pos) = (head)->prev; (pos) != static_cast(void *, (head)); \
+	for ((pos) = (head)->prev; (pos) != static_cast(const void *, (head)); \
 	     (pos) = (pos)->prev)
 
 #define HXlist_for_each_safe(pos, n, head) \
 	for ((pos) = (head)->next, (n) = (pos)->next; \
-	     (pos) != static_cast(void *, (head)); \
+	     (pos) != static_cast(const void *, (head)); \
 	     (pos) = (n), (n) = (pos)->next)
 
 #define HXlist_for_each_rev_safe(pos, n, head) \
 	for ((pos) = (head)->prev, (n) = (pos)->prev; \
-	     (pos) != static_cast(void *, (head)); \
+	     (pos) != static_cast(const void *, (head)); \
 	     (pos) = (n), (n) = (pos)->prev)
 
 #define HXlist_for_each_entry(pos, head, member) \
 	for ((pos) = HXlist_entry((head)->next, __typeof__(*(pos)), member); \
-	     &(pos)->member != static_cast(void *, (head)); \
+	     &(pos)->member != static_cast(const void *, (head)); \
 	     (pos) = HXlist_entry((pos)->member.next, __typeof__(*(pos)), member))
 
 #define HXlist_for_each_entry_rev(pos, head, member) \
 	for ((pos) = HXlist_entry((head)->prev, __typeof__(*(pos)), member); \
-	     &(pos)->member != static_cast(void *, (head)); \
+	     &(pos)->member != static_cast(const void *, (head)); \
 	     (pos) = HXlist_entry((pos)->member.prev, __typeof__(*(pos)), member))
 
 #define HXlist_for_each_entry_safe(pos, n, head, member) \
 	for ((pos) = HXlist_entry((head)->next, __typeof__(*(pos)), member), \
 	     (n) = HXlist_entry((pos)->member.next, __typeof__(*(pos)), member); \
-	     &(pos)->member != static_cast(void *, (head)); \
+	     &(pos)->member != static_cast(const void *, (head)); \
 	     (pos) = (n), (n) = HXlist_entry((n)->member.next, __typeof__(*(n)), \
 	     member))
 
diff --git a/include/libHX/option.h b/include/libHX/option.h
index d60c3f1..82255d3 100644
--- a/include/libHX/option.h
+++ b/include/libHX/option.h
@@ -254,8 +254,10 @@ extern void HX_shconfig_free(const struct HXoption *);
 #	define HXOPT_TABLEEND {.type = HXTYPE_XSNTMARK}
 #else
 #	define HXOPT_AUTOHELP \
-		{NULL, '?', HXTYPE_XHELP, NULL, NULL, HX_getopt_help_cb, \
-		0, "Show this help message"}
+		{"help", '?', HXTYPE_XHELP, NULL, NULL, HX_getopt_help_cb, \
+		0, "Show this help message"}, \
+		{"usage", 0, HXTYPE_NONE, NULL, NULL, HX_getopt_usage_cb, \
+		0, "Display brief usage message"}
 #	define HXOPT_TABLEEND {NULL, 0, HXTYPE_XSNTMARK}
 #endif
 
diff --git a/src/opt.c b/src/opt.c
index d64e521..8efbf52 100644
--- a/src/opt.c
+++ b/src/opt.c
@@ -304,22 +304,20 @@ static void opt_to_text(const struct HXoption *opt, char *buf, size_t len,
 		buf[i++] = opt->sh;
 		if (!takes_void(opt->type))
 			i += snprintf(buf + i, len - i, " %s", htyp);
+	} else if (opt->sh == '\0') {
+		if (takes_void(opt->type))
+			i += snprintf(buf + i, len - i,
+			     "--%s", opt->ln);
+		else
+			i += snprintf(buf + i, len - i,
+			     "--%s=%s", opt->ln, htyp);
 	} else {
-		if (opt->sh == '\0') {
-			if (takes_void(opt->type))
-				i += snprintf(buf + i, len - i,
-				     "--%s", opt->ln);
-			else
-				i += snprintf(buf + i, len - i,
-				     "--%s=%s", opt->ln, htyp);
-		} else {
-			if (takes_void(opt->type))
-				i += snprintf(buf + i, len - i, "-%c%s--%s",
-				     opt->sh, alt, opt->ln);
-			else
-				i += snprintf(buf + i, len - i, "-%c%s--%s%c%s",
-				     opt->sh, alt, opt->ln, equ, htyp);
-		}
+		if (takes_void(opt->type))
+			i += snprintf(buf + i, len - i, "-%c%s--%s",
+			     opt->sh, alt, opt->ln);
+		else
+			i += snprintf(buf + i, len - i, "-%c%s--%s%c%s",
+			     opt->sh, alt, opt->ln, equ, htyp);
 	}
 
 	if (flags & W_BRACKET)