Imported Upstream version 3.22upstream/3.22

16 files changed, 2048 insertions, 0 deletions

diff --git a/include/Makefile.am b/include/Makefile.am
new file mode 100644
index 0000000..b70eebd
--- /dev/null
+++ b/include/Makefile.am
@@ -0,0 +1,8 @@
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+	libHX/ctype_helper.h libHX/defs.h libHX/deque.h libHX/init.h \
+	libHX/io.h libHX/list.h \
+	libHX/map.h libHX/misc.h libHX/option.h libHX/proc.h libHX/string.h \
+	libHX/libxml_helper.h libHX/wx_helper.hpp
+
diff --git a/include/Makefile.in b/include/Makefile.in
new file mode 100644
index 0000000..b763858
--- /dev/null
+++ b/include/Makefile.in
@@ -0,0 +1,567 @@
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool cscopelist-am ctags ctags-am distclean \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man \
+	install-nobase_includeHEADERS install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-nobase_includeHEADERS
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/include/libHX.h b/include/libHX.h
new file mode 100644
index 0000000..a334871
--- /dev/null
+++ b/include/libHX.h
@@ -0,0 +1,27 @@
+#ifndef _LIBHX_H
+#define _LIBHX_H 20110115
+
+/*
+ * This file is for programs that really need about everything. The presence of
+ * this file is undocumented, but you can rely on its presence and that it
+ * always includes a given feature set. (Once an "#include" is added, it shall
+ * be considered documented behavior that feature xyz is available merely by
+ * inclusion of this file. Henceforth, "#includes" may not be removed from here
+ * unless the implementation really went away.
+ */
+
+#include <libHX/ctype_helper.h>
+#include <libHX/defs.h>
+#include <libHX/deque.h>
+#include <libHX/list.h>
+#include <libHX/init.h>
+#include <libHX/io.h>
+#include <libHX/map.h>
+#include <libHX/misc.h>
+#include <libHX/option.h>
+#include <libHX/proc.h>
+#include <libHX/string.h>
+
+/* not libxml_helper, because that requires libxml2 */
+
+#endif /* _LIBHX_H */
diff --git a/include/libHX/ctype_helper.h b/include/libHX/ctype_helper.h
new file mode 100644
index 0000000..2ba0a7a
--- /dev/null
+++ b/include/libHX/ctype_helper.h
@@ -0,0 +1,86 @@
+#ifndef _LIBHX_CTYPE_H
+#define _LIBHX_CTYPE_H 1
+
+#ifdef __cplusplus
+#	include <cctype>
+#else
+#	include <ctype.h>
+#	include <stdbool.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * ctype.h workarounds. The is*() functions takes an int, but people
+ * commonly pass in a char. Because char can technically be signed, the
+ * value would be sign-extended during promotion to the int type which the
+ * ctype family functions take.
+ *
+ * The HX_ ctype related functions therefore explicitly take an unsigned char,
+ * and thus knowingly make it impossible to pass in stdio's "EOF" (-1).
+ * [When was the last time you did a isalpha(EOF) anyway?]
+ *
+ * Because, again, this all works due to implicit type conversion, these
+ * wrappers look rather plain. Oh, also note we are returning the much
+ * more modern "bool".
+ *
+ * And not all ctype functions are provided - no need so far, and I do not
+ * want to clutter it before needing it.
+ */
+static __inline__ bool HX_isalnum(unsigned char c)
+{
+	return isalnum(c);
+}
+
+static __inline__ bool HX_isalpha(unsigned char c)
+{
+	return isalpha(c);
+}
+
+static __inline__ bool HX_isdigit(unsigned char c)
+{
+	return isdigit(c);
+}
+
+static __inline__ bool HX_islower(unsigned char c)
+{
+	return islower(c);
+}
+
+static __inline__ bool HX_isprint(unsigned char c)
+{
+	return isprint(c);
+}
+
+static __inline__ bool HX_isspace(unsigned char c)
+{
+	return isspace(c);
+}
+
+static __inline__ bool HX_isupper(unsigned char c)
+{
+	return isupper(c);
+}
+
+static __inline__ bool HX_isxdigit(unsigned char c)
+{
+	return isxdigit(c);
+}
+
+static __inline__ unsigned char HX_tolower(unsigned char c)
+{
+	return tolower(c);
+}
+
+static __inline__ unsigned char HX_toupper(unsigned char c)
+{
+	return toupper(c);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBHX_CTYPE_H */
diff --git a/include/libHX/defs.h b/include/libHX/defs.h
new file mode 100644
index 0000000..bb03f40
--- /dev/null
+++ b/include/libHX/defs.h
@@ -0,0 +1,230 @@
+#ifndef _LIBHX_DEFS_H
+#define _LIBHX_DEFS_H 1
+
+#ifdef __cplusplus
+#	define FIELD_SIZEOF(type, member) \
+		sizeof(static_cast<type *>(NULL)->member)
+#	define HXsizeof_member(type, member) FIELD_SIZEOF(type, member)
+#	define HXtypeof_member(type, member) \
+		__typeof__(static_cast<type *>(NULL)->member)
+#	if defined(__GNUC__) && __GNUC__ >= 4 && !defined(offsetof)
+		/*
+		 * This is here so most programs can skip inclusion
+		 * of stddef.h just to get offsetof.
+		 */
+#		define offsetof(type, member) __builtin_offsetof(type, member)
+#	endif
+#	ifndef offsetof
+#		define offsetof(type, member) \
+			reinterpret_cast<long>(&(static_cast<type *>(NULL)->member))
+#	endif
+#	ifndef containerof
+#		define containerof(var, type, member) reinterpret_cast<type *>( \
+			reinterpret_cast<char *>(var) - offsetof(type, member))
+#	endif
+
+template<typename new_type>
+static __inline__ new_type signed_cast(const char *expr)
+{
+	return reinterpret_cast<new_type>(expr);
+}
+
+template<typename new_type>
+static __inline__ new_type signed_cast(const signed char *expr)
+{
+	return reinterpret_cast<new_type>(expr);
+}
+
+template<typename new_type>
+static __inline__ new_type signed_cast(const unsigned char *expr)
+{
+	return reinterpret_cast<new_type>(expr);
+}
+
+template<typename new_type>
+static __inline__ new_type signed_cast(char *expr)
+{
+	return reinterpret_cast<new_type>(expr);
+}
+
+template<typename new_type>
+static __inline__ new_type signed_cast(signed char *expr)
+{
+	return reinterpret_cast<new_type>(expr);
+}
+
+template<typename new_type>
+static __inline__ new_type signed_cast(unsigned char *expr)
+{
+	return reinterpret_cast<new_type>(expr);
+}
+#else
+#	define HXsizeof_member(type, member) sizeof(((type *)NULL)->member)
+#	define HXtypeof_member(type, member) __typeof__(((type *)NULL)->member)
+	/* N.B. signed_cast<> does not exist in C++. */
+#	define __signed_cast_compatible(a, b) \
+		__builtin_choose_expr( \
+			__builtin_types_compatible_p(b, const char *) || \
+			__builtin_types_compatible_p(b, const signed char *) || \
+			__builtin_types_compatible_p(b, const unsigned char *), \
+			/* if src has a const qualifier */ \
+			__builtin_types_compatible_p(a, const char *) || \
+			__builtin_types_compatible_p(a, const signed char *) || \
+			__builtin_types_compatible_p(a, const unsigned char *), \
+			/* and if it has none... */ \
+			__builtin_types_compatible_p(a, const char *) || \
+			__builtin_types_compatible_p(a, const signed char *) || \
+			__builtin_types_compatible_p(a, const unsigned char *) || \
+			__builtin_types_compatible_p(a, char *) || \
+			__builtin_types_compatible_p(a, signed char *) || \
+			__builtin_types_compatible_p(a, unsigned char *) \
+		)
+
+#	if defined(__GNUC__) && !defined(__clang__) && !defined(signed_cast)
+#		define signed_cast(type, expr) ({ \
+			BUILD_BUG_ON(!__signed_cast_compatible(__typeof__(type), __typeof__(expr))); \
+			(type)(expr); \
+		})
+#	endif
+#	if defined(__GNUC__) && !defined(__clang__) && !defined(static_cast)
+#		define static_cast(type, expr) \
+			((struct { type x; }){(expr)}.x)
+#	endif
+#	if defined(__GNUC__) && !defined(__clang__) && !defined(const_cast1)
+#		define __const_cast_strip1(expr) \
+			__typeof__(*(union { int z; __typeof__(expr) x; }){0}.x)
+#		define __const_cast_strip2(expr) \
+			__typeof__(**(union { int z; __typeof__(expr) x; }){0}.x)
+#		define __const_cast_strip3(expr) \
+			__typeof__(***(union { int z; __typeof__(expr) x; }){0}.x)
+#		define const_cast1(new_type, expr) ({ \
+			BUILD_BUG_ON(!__builtin_types_compatible_p(__const_cast_strip1(expr), __const_cast_strip1(new_type))); \
+			(new_type)(expr); \
+		})
+#		define const_cast2(new_type, expr) ({ \
+			BUILD_BUG_ON(!__builtin_types_compatible_p(__const_cast_strip2(expr), __const_cast_strip2(new_type))); \
+			(new_type)(expr); \
+		})
+#		define const_cast3(new_type, expr) ({ \
+			BUILD_BUG_ON(!__builtin_types_compatible_p(__const_cast_strip3(expr), __const_cast_strip3(new_type))); \
+			(new_type)(expr); \
+		})
+#	endif
+#	ifndef signed_cast
+#		define signed_cast(type, expr)      ((type)(expr))
+#	endif
+#	ifndef static_cast
+#		define static_cast(type, expr)      ((type)(expr))
+#	endif
+#	ifndef const_cast
+#		define const_cast(type, expr)       ((type)(expr))
+#	endif
+#	ifndef const_cast1
+#		define const_cast1(type, expr)      ((type)(expr))
+#		define const_cast2(type, expr)      ((type)(expr))
+#		define const_cast3(type, expr)      ((type)(expr))
+#	endif
+#	ifndef reinterpret_cast
+#		define reinterpret_cast(type, expr) ((type)(expr))
+#	endif
+#	if defined(__GNUC__) && __GNUC__ >= 4 && !defined(offsetof)
+#		define offsetof(type, member) __builtin_offsetof(type, member)
+#	endif
+#	ifndef offsetof
+#		define offsetof(type, member) \
+			reinterpret_cast(long, &(static_cast(type *, NULL)->member))
+#	endif
+#	ifndef containerof
+#		define containerof(var, type, member) reinterpret_cast(type *, \
+			reinterpret_cast(char *, var) - offsetof(type, member))
+#	endif
+#endif
+
+#if defined(__GNUC__) && !defined(__cplusplus)
+	/*
+	 * If typeof @a stays the same through a demotion to pointer,
+	 * @a cannot be an array.
+	 */
+#	define __array_size_check(a) BUILD_BUG_ON_EXPR(\
+		__builtin_types_compatible_p(__typeof__(a), \
+		__typeof__(DEMOTE_TO_PTR(a))))
+#else
+#	define __array_size_check(a) 0
+#endif
+#ifndef ARRAY_SIZE
+#	define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)) + __array_size_check(x))
+#endif
+#ifndef BUILD_BUG_ON_EXPR
+#	define BUILD_BUG_ON_EXPR(condition) (sizeof(char[1 - 2 * !!(condition)]) - 1)
+#endif
+#ifndef BUILD_BUG_ON
+#	define BUILD_BUG_ON(condition) ((void)BUILD_BUG_ON_EXPR(condition))
+#endif
+#ifndef DEMOTE_TO_PTR
+	/*
+	 * An alternative approach is also (p+0), but that does not ensure that
+	 * @p is a pointer. Since functions "support" infinite dereferencing,
+	 * "&*" also works on them.
+	 */
+#	define DEMOTE_TO_PTR(p) (&*(p))
+#endif
+#ifndef O_BINARY
+#	define O_BINARY 0
+#endif
+#ifndef S_IRGRP
+	/* Can happen in mingw */
+#	define S_IRGRP (S_IRUSR >> 3)
+#endif
+#ifndef S_IWGRP
+#	define S_IWGRP (S_IWUSR >> 3)
+#endif
+#ifndef S_IXGRP
+#	define S_IXGRP (S_IXUSR >> 3)
+#endif
+#ifndef S_IROTH
+#	define S_IROTH (S_IRUSR >> 6)
+#endif
+#ifndef S_IWOTH
+#	define S_IWOTH (S_IWUSR >> 6)
+#endif
+#ifndef S_IXOTH
+#	define S_IXOTH (S_IXUSR >> 6)
+#endif
+#ifndef S_IRUGO
+#	define S_IRUGO (S_IRUSR | S_IRGRP | S_IROTH)
+#endif
+#ifndef S_IWUGO
+#	define S_IWUGO (S_IWUSR | S_IWGRP | S_IWOTH)
+#endif
+#ifndef S_IXUGO
+#	define S_IXUGO (S_IXUSR | S_IXGRP | S_IXOTH)
+#endif
+#ifndef S_IRWXUGO
+#	define S_IRWXUGO (S_IRUGO | S_IWUGO | S_IXUGO)
+#endif
+
+#define HXSIZEOF_Z16 sizeof("-65536")
+/* 2^32 and -2^31 have differing length */
+#define HXSIZEOF_Z32 sizeof("-4294967296")
+/* 2^64 and -2^63 have same length */
+#define HXSIZEOF_Z64 sizeof("18446744073709551616")
+
+#define __HX_STRINGIFY_EXPAND(s) #s
+#define HX_STRINGIFY(s) __HX_STRINGIFY_EXPAND(s)
+
+#ifndef container_of
+#	define container_of(v, s, m) containerof((v), s, m)
+#endif
+
+#ifdef _WIN32
+	/*
+	 * Sufficiently old versions of the VC runtime do not even support %ll.
+	 */
+#	define HX_LONGLONG_FMT "I64"
+#	define HX_SIZET_FMT "I"
+#else
+#	define HX_LONGLONG_FMT "ll"
+#	define HX_SIZET_FMT "z"
+#endif
+
+#endif /* _LIBHX_DEFS_H */
diff --git a/include/libHX/deque.h b/include/libHX/deque.h
new file mode 100644
index 0000000..f43def9
--- /dev/null
+++ b/include/libHX/deque.h
@@ -0,0 +1,86 @@
+#ifndef _LIBHX_DEQUE_H
+#define _LIBHX_DEQUE_H 1
+
+#ifdef __cplusplus
+#	include <cstdlib>
+#else
+#	include <stdlib.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct HXdeque_node {
+	struct HXdeque_node *next;
+	union {
+		void *ptr;
+		char *sptr;
+	};
+	struct HXdeque *parent;
+	struct HXdeque_node *prev;
+};
+
+struct HXdeque {
+	struct HXdeque_node *first;
+	void *ptr;
+	struct HXdeque_node *last;
+	unsigned int items;
+};
+
+extern struct HXdeque *HXdeque_init(void);
+extern struct HXdeque_node *HXdeque_push(struct HXdeque *, const void *);
+extern struct HXdeque_node *HXdeque_unshift(struct HXdeque *, const void *);
+extern void *HXdeque_pop(struct HXdeque *);
+extern void *HXdeque_shift(struct HXdeque *);
+extern void HXdeque_move(struct HXdeque_node *, struct HXdeque_node *);
+extern struct HXdeque_node *HXdeque_find(struct HXdeque *, const void *);
+extern void *HXdeque_get(struct HXdeque *, const void *);
+extern void *HXdeque_del(struct HXdeque_node *);
+extern void HXdeque_free(struct HXdeque *);
+extern void HXdeque_genocide2(struct HXdeque *, void (*)(void *));
+extern void **HXdeque_to_vec(const struct HXdeque *, unsigned int *);
+
+static __inline__ void HXdeque_genocide(struct HXdeque *dq)
+{
+	HXdeque_genocide2(dq, free);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+extern "C++" {
+
+template<typename type> static __inline__ type HXdeque_pop(struct HXdeque *dq)
+{
+	return reinterpret_cast<type>(HXdeque_pop(dq));
+}
+
+template<typename type> static __inline__ type
+HXdeque_shift(struct HXdeque *dq)
+{
+	return reinterpret_cast<type>(HXdeque_shift(dq));
+}
+
+template<typename type> static __inline__ type
+HXdeque_get(struct HXdeque *dq, const void *ptr)
+{
+	return reinterpret_cast<type>(HXdeque_get(dq, ptr));
+}
+
+template<typename type> static __inline__ type
+HXdeque_del(struct HXdeque_node *nd)
+{
+	return reinterpret_cast<type>(HXdeque_del(nd));
+}
+
+template<typename type> static __inline__ type *
+HXdeque_to_vec(struct HXdeque *dq, unsigned int *n)
+{
+	return reinterpret_cast<type *>(HXdeque_to_vec(dq, n));
+}
+
+} /* extern "C++" */
+#endif
+
+#endif /* _LIBHX_DEQUE_H */
diff --git a/include/libHX/init.h b/include/libHX/init.h
new file mode 100644
index 0000000..c584209
--- /dev/null
+++ b/include/libHX/init.h
@@ -0,0 +1,15 @@
+#ifndef _LIBHX_INIT_H
+#define _LIBHX_INIT_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int HX_init(void);
+extern void HX_exit(void);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBHX_INIT_H */
diff --git a/include/libHX/io.h b/include/libHX/io.h
new file mode 100644
index 0000000..c86af72
--- /dev/null
+++ b/include/libHX/io.h
@@ -0,0 +1,46 @@
+#ifndef _LIBHX_IO_H
+#define _LIBHX_IO_H 1
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __libhx_internal_hxmc_t_defined
+#define __libhx_internal_hxmc_t_defined 1
+typedef char hxmc_t;
+#endif
+
+enum {
+	HXF_UID  = 1 << 0,
+	HXF_GID  = 1 << 1,
+	HXF_KEEP = 1 << 2,
+	HX_REALPATH_NOFLAGS  = 0,
+	HX_REALPATH_ABSOLUTE = 1 << 0,
+	HX_REALPATH_SELF     = 1 << 1,
+	HX_REALPATH_PARENT   = 1 << 2,
+	/* HX_REALPATH_SYMLINK  = 1 << 3, removed in v3.13, thus blocked */
+	HX_REALPATH_DEFAULT  = HX_REALPATH_SELF | HX_REALPATH_PARENT,
+};
+
+struct HXdir;
+
+extern struct HXdir *HXdir_open(const char *);
+extern const char *HXdir_read(struct HXdir *);
+extern void HXdir_close(struct HXdir *);
+extern int HX_copy_dir(const char *, const char *, unsigned int, ...);
+extern int HX_copy_file(const char *, const char *, unsigned int, ...);
+extern int HX_mkdir(const char *, unsigned int);
+extern int HX_readlink(hxmc_t **, const char *);
+extern int HX_realpath(hxmc_t **, const char *, unsigned int);
+extern int HX_rrmdir(const char *);
+
+extern ssize_t HXio_fullread(int, void *, size_t);
+extern ssize_t HXio_fullwrite(int, const void *, size_t);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBHX_IO_H */
diff --git a/include/libHX/libxml_helper.h b/include/libHX/libxml_helper.h
new file mode 100644
index 0000000..599ede1
--- /dev/null
+++ b/include/libHX/libxml_helper.h
@@ -0,0 +1,113 @@
+#ifndef _LIBHX_LIBXML_HELPER_H
+#define _LIBHX_LIBXML_HELPER_H 1
+
+#ifdef __cplusplus
+#	include <cstring>
+#else
+#	include <string.h>
+#endif
+#include <libHX/defs.h>
+#include <libxml/parser.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static __inline__ int xml_strcmp(const xmlChar *a, const char *b)
+{
+#ifdef __cplusplus
+	return strcmp(signed_cast<const char *>(a), b);
+#else
+	return strcmp(signed_cast(const char *, a), b);
+#endif
+}
+
+static __inline__ int xml_strcasecmp(const xmlChar *a, const char *b)
+{
+#ifdef __cplusplus
+	return strcasecmp(signed_cast<const char *>(a), b);
+#else
+	return strcasecmp(signed_cast(const char *, a), b);
+#endif
+}
+
+static __inline__ char *xml_getprop(xmlNode *node, const char *attr)
+{
+#ifdef __cplusplus
+	return signed_cast<char *>(xmlGetProp(node,
+	       signed_cast<const xmlChar *>(attr)));
+#else
+	return signed_cast(char *, xmlGetProp(node,
+	       signed_cast(const xmlChar *, attr)));
+#endif
+}
+
+/**
+ * xmlGetNsProp takes, as 3rd argument, a full namespace string.
+ * That is unwieldy.
+ */
+static __inline__ char *xml_getnsprop(xmlNode *node, const char *nsprefix,
+    const char *key)
+{
+	const struct _xmlAttr *attr = NULL;
+	for (attr = node->properties; attr != NULL; attr = attr->next)
+		if (attr->ns != NULL && attr->ns->prefix != NULL &&
+		    xml_strcmp(attr->ns->prefix, nsprefix) == 0)
+			break;
+	if (attr == NULL)
+		return NULL;
+#ifdef __cplusplus
+	return signed_cast<char *>(xmlGetNsProp(node,
+	       signed_cast<const xmlChar *>(key), attr->ns->href));
+#else
+	return signed_cast(char *, xmlGetNsProp(node,
+	       signed_cast(const xmlChar *, key), attr->ns->href));
+#endif
+}
+
+static __inline__ xmlAttr *
+xml_newprop(xmlNode *node, const char *name, const char *value)
+{
+#ifdef __cplusplus
+	return xmlNewProp(node, signed_cast<const xmlChar *>(name),
+	       signed_cast<const xmlChar *>(value));
+#else
+	return xmlNewProp(node, signed_cast(const xmlChar *, name),
+	       signed_cast(const xmlChar *, value));
+#endif
+}
+
+/**
+ * @ptr:	parent node
+ * @name:	name of new node
+ * @value:	string, or %NULL
+ */
+static __inline__ xmlNode *
+xml_newnode(xmlNode *ptr, const char *name, const char *value)
+{
+#ifdef __cplusplus
+	return xmlNewTextChild(ptr, NULL, signed_cast<const xmlChar *>(name),
+	       signed_cast<const xmlChar *>(value));
+#else
+	return xmlNewTextChild(ptr, NULL, signed_cast(const xmlChar *, name),
+	       signed_cast(const xmlChar *, value));
+#endif
+}
+
+static __inline__ xmlAttr *
+xml_setprop(xmlNode *node, const char *name, const char *value)
+{
+#ifdef __cplusplus
+	return xmlSetProp(node, signed_cast<const xmlChar *>(name),
+	       signed_cast<const xmlChar *>(value));
+#else
+	return xmlSetProp(node, signed_cast(const xmlChar *, name),
+	       signed_cast(const xmlChar *, value));
+#endif
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBHX_LIBXML_HELPER_H */
diff --git a/include/libHX/list.h b/include/libHX/list.h
new file mode 100644
index 0000000..a18b17e
--- /dev/null
+++ b/include/libHX/list.h
@@ -0,0 +1,172 @@
+#ifndef _LIBHX_LIST_H
+#define _LIBHX_LIST_H 1
+
+#ifdef __cplusplus
+#	include <cstddef>
+#else
+#	include <stdbool.h>
+#	include <stddef.h>
+#endif
+#include <libHX/defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define HXlist_entry(ptr, type, member) containerof((ptr), type, member)
+
+struct HXlist_head {
+	struct HXlist_head *next, *prev;
+};
+
+#define HXLIST_HEAD_INIT(name) {&(name), &(name)}
+#define HXLIST_HEAD(name) \
+	struct HXlist_head name = HXLIST_HEAD_INIT(name)
+
+static __inline__ void HXlist_init(struct HXlist_head *list)
+{
+	list->next = list->prev = list;
+}
+
+static __inline__ void __HXlist_add(struct HXlist_head *nu,
+    struct HXlist_head *prev, struct HXlist_head *next)
+{
+	nu->next = next;
+	nu->prev = prev;
+	next->prev = nu;
+	prev->next = nu;
+}
+
+static __inline__ void
+HXlist_add(struct HXlist_head *head, struct HXlist_head *entry)
+{
+	__HXlist_add(entry, head, head->next);
+}
+
+static __inline__ void
+HXlist_add_tail(struct HXlist_head *head, struct HXlist_head *entry)
+{
+	__HXlist_add(entry, head->prev, head);
+}
+
+static __inline__ void HXlist_del(struct HXlist_head *entry)
+{
+	entry->prev->next = entry->next;
+	entry->next->prev = entry->prev;
+	entry->next = NULL;
+	entry->prev = NULL;
+}
+
+static __inline__ bool HXlist_empty(const struct HXlist_head *head)
+{
+	return head->next == head;
+}
+
+#define HXlist_for_each(pos, head) \
+	for ((pos) = (head)->next; (pos) != (void *)(head); \
+	     (pos) = (pos)->next)
+
+#define HXlist_for_each_rev(pos, head) \
+	for ((pos) = (head)->prev; (pos) != (void *)(head); \
+	     (pos) = (pos)->prev)
+
+#define HXlist_for_each_safe(pos, n, head) \
+	for ((pos) = (head)->next, (n) = (pos)->next; (pos) != (void *)(head); \
+	     (pos) = (n), (n) = (pos)->next)
+
+#define HXlist_for_each_rev_safe(pos, n, head) \
+	for ((pos) = (head)->prev, (n) = (pos)->prev; (pos) != (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 != (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 != (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 != (void *)(head); \
+	     (pos) = (n), (n) = HXlist_entry((n)->member.next, __typeof__(*(n)), \
+	     member))
+
+struct HXclist_head {
+	union {
+		struct HXlist_head list;
+		struct {
+			struct HXlist_head *next, *prev;
+		};
+	};
+	unsigned int items;
+};
+
+#define HXCLIST_HEAD_INIT(name) {{{&(name).list, &(name).list}}, 0}
+#define HXCLIST_HEAD(name) \
+	struct HXclist_head name = HXCLIST_HEAD_INIT(name)
+
+static __inline__ void HXclist_init(struct HXclist_head *head)
+{
+	head->list.next = head->list.prev = &head->list;
+	head->items = 0;
+}
+
+static __inline__ void
+HXclist_del(struct HXclist_head *head, struct HXlist_head *node)
+{
+	--head->items;
+	HXlist_del(node);
+}
+
+static __inline__ void
+HXclist_unshift(struct HXclist_head *head, struct HXlist_head *nu)
+{
+	++head->items;
+	__HXlist_add(nu, &head->list, head->list.next);
+}
+
+static __inline__ void
+HXclist_push(struct HXclist_head *head, struct HXlist_head *nu)
+{
+	++head->items;
+	__HXlist_add(nu, head->list.prev, &head->list);
+}
+
+static __inline__ struct HXlist_head *__HXclist_pop(struct HXclist_head *head)
+{
+	struct HXlist_head *p;
+	if ((const void *)head == head->list.next)
+		return NULL;
+	p = head->list.prev;
+	HXlist_del(p);
+	--head->items;
+	return p;
+}
+
+#define HXclist_pop(head, type, member) \
+	HXlist_entry(__HXclist_pop(head), type, member)
+
+static __inline__ struct HXlist_head *
+__HXclist_shift(struct HXclist_head *head)
+{
+	struct HXlist_head *p;
+	if ((const void *)head == head->list.next)
+		return NULL;
+	p = head->list.next;
+	HXlist_del(p);
+	--head->items;
+	return p;
+}
+
+#define HXclist_shift(head, type, member) \
+	HXlist_entry(__HXclist_shift(head), type, member)
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBHX_LIST_H */
diff --git a/include/libHX/map.h b/include/libHX/map.h
new file mode 100644
index 0000000..ecbf703
--- /dev/null
+++ b/include/libHX/map.h
@@ -0,0 +1,140 @@
+#ifndef _LIBHX_MAP_H
+#define _LIBHX_MAP_H 1
+
+#ifdef __cplusplus
+#	include <cstddef>
+#else
+#	include <stdbool.h>
+#	include <stddef.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Abstract:
+ * %HXMAPT_DEFAULT:	whatever is fast and maps k-v, without preference
+ * %HXMAPT_ORDERED:	anything ordered, no further preference
+ *
+ * Specific:
+ * %HXMAPT_HASH:	map based on hash
+ * %HXMAPT_RBTREE:	map based on red-black binary tree
+ */
+enum HXmap_type {
+	HXMAPT_HASH = 1,
+	HXMAPT_RBTREE,
+
+	/* aliases - assignments may change */
+	HXMAPT_DEFAULT = HXMAPT_HASH,
+	HXMAPT_ORDERED = HXMAPT_RBTREE,
+};
+
+/**
+ * Flags changable at runtime:
+ * %HXMAP_NOREPLACE:	Calling HXmap_add() for an already existing key will
+ * 			throw an error (no-overwrite semantics)
+ *
+ * Initialization-time flags only:
+ * %HXMAP_NONE:		mnemonic for no flags
+ * %HXMAP_SINGULAR:	Instead of an associative map, provide a set
+ * %HXMAP_SKEY:		Key will be a C-style string (sets ops->k_*)
+ * %HXMAP_CKEY:		Make a copy of the key on HXmap_add
+ * %HXMAP_SDATA:	Data will be a C-style string (presets ops->d_*)
+ * %HXMAP_CDATA:	Make a copy of the data on HXmap_add
+ */
+enum {
+	HXMAP_NONE      = 0,
+	HXMAP_NOREPLACE = 1 << 0,
+	HXMAP_SINGULAR  = 1 << 1,
+	HXMAP_SKEY      = 1 << 2,
+	HXMAP_CKEY      = 1 << 3,
+	HXMAP_SDATA     = 1 << 4,
+	HXMAP_CDATA     = 1 << 5,
+
+	HXMAP_SCKEY     = HXMAP_SKEY | HXMAP_CKEY,
+	HXMAP_SCDATA    = HXMAP_SDATA | HXMAP_CDATA,
+};
+
+/**
+ * Flags for the traverser
+ * %HXMAP_NOFLAGS:	Mnemonic for no flags
+ * %HXMAP_DTRAV:	Support deletion of elements while traversing
+ */
+enum {
+	HXMAP_NOFLAGS   = 0,
+	HXMAP_DTRAV     = 1 << 0,
+};
+
+struct HXmap_trav;
+
+/**
+ * @items:	number of items in the map
+ * @flags:	flags for this map
+ */
+struct HXmap {
+	unsigned int items, flags;
+};
+
+struct HXmap_ops {
+	/* k_compare: the size argument is needed for memcmp. */
+	int (*k_compare)(const void *, const void *, size_t);
+	void *(*k_clone)(const void *, size_t);
+	void (*k_free)(void *);
+	void *(*d_clone)(const void *, size_t);
+	void (*d_free)(void *);
+	unsigned long (*k_hash)(const void *, size_t);
+};
+
+struct HXmap_node {
+	union {
+		void *key;
+		const char *const skey;
+	};
+	union {
+		void *data;
+		char *sdata;
+	};
+};
+
+extern struct HXmap *HXmap_init(enum HXmap_type, unsigned int);
+extern struct HXmap *HXmap_init5(enum HXmap_type, unsigned int,
+	const struct HXmap_ops *, size_t, size_t);
+
+extern int HXmap_add(struct HXmap *, const void *, const void *);
+extern const struct HXmap_node *HXmap_find(const struct HXmap *, const void *);
+extern void *HXmap_get(const struct HXmap *, const void *);
+extern void *HXmap_del(struct HXmap *, const void *);
+extern struct HXmap_node *HXmap_keysvalues(const struct HXmap *);
+extern struct HXmap_trav *HXmap_travinit(const struct HXmap *, unsigned int);
+extern const struct HXmap_node *HXmap_traverse(struct HXmap_trav *);
+extern void HXmap_travfree(struct HXmap_trav *);
+extern void HXmap_qfe(const struct HXmap *,
+	bool (*)(const struct HXmap_node *, void *), void *);
+extern void HXmap_free(struct HXmap *);
+
+extern unsigned long HXhash_jlookup3(const void *, size_t);
+extern unsigned long HXhash_jlookup3s(const void *, size_t);
+extern unsigned long HXhash_djb2(const void *, size_t);
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+extern "C++" {
+
+template<typename type> static __inline__ type
+HXmap_get(const struct HXmap *map, const void *key)
+{
+	return reinterpret_cast<type>(HXmap_get(map, key));
+}
+
+template<typename type> static __inline__ type
+HXmap_del(struct HXmap *map, const void *key)
+{
+	return reinterpret_cast<type>(HXmap_del(map, key));
+}
+
+}
+#endif
+
+#endif /* _LIBHX_MAP_H */
diff --git a/include/libHX/misc.h b/include/libHX/misc.h
new file mode 100644
index 0000000..3f68917
--- /dev/null
+++ b/include/libHX/misc.h
@@ -0,0 +1,113 @@
+#ifndef _LIBHX_MISC_H
+#define _LIBHX_MISC_H 1
+
+#ifndef __cplusplus
+#	include <limits.h>
+#	include <stdarg.h>
+#	include <stdbool.h>
+#	include <stdio.h>
+#else
+#	include <climits>
+#	include <cstdarg>
+#	include <cstdio>
+#endif
+#include <libHX/defs.h>
+#include <libHX/io.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *	BITMAP.H
+ */
+#define __HXbitmap_bpq(type) \
+	(sizeof(type) * CHAR_BIT)
+#define HXbitmap_size(type, bits) \
+	(((bits) + __HXbitmap_bpq(type) - 1) / __HXbitmap_bpq(type))
+#define __HXbitmap_quant(map, bit) \
+	((map)[(bit) / __HXbitmap_bpq(*(map))])
+#define HXbitmap_set(map, bit) \
+	((void)(__HXbitmap_quant((map), (bit)) |= (1ULL << ((bit) % __HXbitmap_bpq(*(map))))))
+#define HXbitmap_clear(map, bit) \
+	((void)(__HXbitmap_quant((map), (bit)) &= ~(1ULL << ((bit) % __HXbitmap_bpq(*(map))))))
+#define HXbitmap_test(map, bit) \
+	((bool)(__HXbitmap_quant((map), (bit)) & (1ULL << ((bit) % __HXbitmap_bpq(*(map))))))
+
+#define HX_TIMESPEC_FMT "%ld.%09ld"
+#define HX_TIMEVAL_FMT "%ld.%06ld"
+#ifdef __cplusplus
+#	define HX_TIMESPEC_EXP(p) static_cast<long>((p)->tv_sec), (p)->tv_nsec
+#	define HX_TIMEVAL_EXP(p) static_cast<long>((p)->tv_sec), (p)->tv_usec
+#else
+#	define HX_TIMESPEC_EXP(p) static_cast(long, (p)->tv_sec), (p)->tv_nsec
+#	define HX_TIMEVAL_EXP(p) static_cast(long, (p)->tv_sec), (p)->tv_usec
+#endif
+
+struct stat;
+struct timespec;
+struct timeval;
+
+/*
+ *	DL.C
+ */
+extern void *HX_dlopen(const char *);
+extern void *HX_dlsym(void *, const char *);
+extern void HX_dlclose(void *);
+extern const char *HX_dlerror(void);
+
+/*
+ *	MISC.C
+ */
+extern int HX_ffs(unsigned long);
+extern int HX_fls(unsigned long);
+extern void HX_hexdump(FILE *, const void *, unsigned int);
+extern bool HX_timespec_isneg(const struct timespec *);
+extern struct timespec *HX_timespec_neg(struct timespec *,
+	const struct timespec *);
+extern struct timespec *HX_timespec_add(struct timespec *,
+	const struct timespec *, const struct timespec *);
+extern struct timespec *HX_timespec_sub(struct timespec *,
+	const struct timespec *, const struct timespec *);
+extern struct timespec *HX_timespec_mul(struct timespec *,
+	const struct timespec *, int);
+extern struct timespec *HX_timespec_mulf(struct timespec *,
+	const struct timespec *, double);
+extern struct timeval *HX_timeval_sub(struct timeval *,
+	const struct timeval *, const struct timeval *);
+extern long HX_time_compare(const struct stat *, const struct stat *, char);
+extern void HX_zvecfree(char **);
+
+/*
+ *	RAND.C
+ */
+extern int HX_rand(void);
+extern unsigned int HX_irand(unsigned int, unsigned int);
+extern double HX_drand(double, double);
+
+/*
+ *	INLINE FUNCTIONS
+ */
+static __inline__ unsigned int HX_zveclen(const char *const *args)
+{
+	unsigned int argk = 0;
+	while (*args++ != NULL)
+		++argk;
+	return argk;
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+extern "C++" {
+
+template<typename type> static __inline__ type
+HX_dlsym(void *handle, const char *symbol)
+{
+	return reinterpret_cast<type>(HX_dlsym(handle, symbol));
+}
+
+} /* extern "C++" */
+#endif
+
+#endif /* _LIBHX_MISC_H */
diff --git a/include/libHX/option.h b/include/libHX/option.h
new file mode 100644
index 0000000..3b8187f
--- /dev/null
+++ b/include/libHX/option.h
@@ -0,0 +1,260 @@
+#ifndef _LIBHX_OPTION_H
+#define _LIBHX_OPTION_H 1
+
+#ifdef __cplusplus
+#	include <cstddef>
+#	include <cstdio>
+#else
+#	include <stddef.h>
+#	include <stdio.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __libhx_internal_hxmc_t_defined
+#define __libhx_internal_hxmc_t_defined 1
+typedef char hxmc_t;
+#endif
+
+struct HXoption;
+
+/*
+ *	FORMAT.C
+ */
+extern struct HXformat_map *HXformat_init(void);
+extern void HXformat_free(struct HXformat_map *);
+extern int HXformat_add(struct HXformat_map *, const char *, const void *,
+	unsigned int);
+extern int HXformat_aprintf(const struct HXformat_map *,
+	hxmc_t **, const char *);
+extern int HXformat_sprintf(const struct HXformat_map *,
+	char *, size_t, const char *);
+extern int HXformat_fprintf(const struct HXformat_map *,
+	FILE *, const char *);
+
+/*
+ *	OPT.C
+ */
+
+/**
+ * Available types for struct HXoption.type.
+ * %HXTYPE_NONE:	[-o] (int *) No argument; counts presence.
+ * %HXTYPE_VAL:		[-o] (int *) Set to value in .val.
+ * %HXTYPE_SVAL:	[-o] (const char *) Set to value in .uptr.
+ * %HXTYPE_BOOL:	[fo] (int *) Parse argument as boolean
+ * 			     ("yes", "no", "true", "false", 0 or non-zero)
+ * %HXTYPE_BYTE:	[fo] (unsigned char *) Take first char of argument
+ * %HXTYPE_UCHAR:	[fo] (unsigned char *) An integer.
+ * %HXTYPE_CHAR:	[fo] (char *) An integer.
+ * %HXTYPE_USHORT:	[fo] (unsigned short *) An integer.
+ * %HXTYPE_SHORT:	[fo] (short *) An integer.
+ * %HXTYPE_UINT:	[fo] (unsigned int *) An integer.
+ * %HXTYPE_INT:		[fo] (int *) An integer.
+ * %HXTYPE_ULONG:	[fo] (unsigned long *) An integer.
+ * %HXTYPE_LONG:	[fo] (long *) An integer.
+ * %HXTYPE_ULLONG:	[fo] (unsigned long long *) An integer.
+ * %HXTYPE_LLONG:	[fo] (long long *) An integer.
+ * %HXTYPE_FLOAT:	[fo] (float *) Read a floating point number
+ * %HXTYPE_DOUBLE:	[fo] (double *) Read a floating point number
+ * %HXTYPE_STRING:	[fo] (char **) Any string.
+ * %HXTYPE_STRP:	[f-] (const char *const *) A string.
+ * %HXTYPE_STRDQ:	[-o] (struct HXdeque *) A string.
+ * %HXTYPE_UINT8:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_UINT16:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_UINT32:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_UINT64:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_INT8:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_INT16:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_INT32:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_INT64:	[-o] (uint8_t *) An integer.
+ * %HXTYPE_MCSTR:	[-o] (hxmc_t *) A string.
+ * %HXTYPE_XSNTMARK:	[-o] Internal sentinal marker (used in HXOPT_TABLEEND)
+ * %HXTYPE_XHELP:	[-o] Internal helper marker (used in HXOPT_AUTOHELP)
+ * %HXTYPE_SIZE_T:	[-o] (size_t *) An integer.
+ *
+ * Type expected of struct HXoption.ptr is given in ().
+ * HX_getopt (o) and HXformat_* (f) support different sets, marked with [].
+ */
+enum HX_option_type {
+	HXTYPE_NONE = 0,
+	HXTYPE_VAL,
+	HXTYPE_SVAL,
+	HXTYPE_BOOL,
+	HXTYPE_BYTE,
+	HXTYPE_UCHAR, /* 5 */
+	HXTYPE_CHAR,
+	HXTYPE_USHORT,
+	HXTYPE_SHORT,
+	HXTYPE_UINT,
+	HXTYPE_INT, /* 10 */
+	HXTYPE_ULONG,
+	HXTYPE_LONG,
+	HXTYPE_ULLONG,
+	HXTYPE_LLONG,
+	HXTYPE_FLOAT, /* 15 */
+	HXTYPE_DOUBLE,
+	HXTYPE_STRING,
+	HXTYPE_STRP, /* (const char **) */
+	HXTYPE_STRDQ,
+	HXTYPE_UINT8, /* 20 */
+	HXTYPE_UINT16,
+	HXTYPE_UINT32,
+	HXTYPE_UINT64,
+	HXTYPE_INT8,
+	HXTYPE_INT16, /* 25 */
+	HXTYPE_INT32,
+	HXTYPE_INT64,
+	HXTYPE_MCSTR,
+	HXTYPE_XSNTMARK,
+	HXTYPE_XHELP, /* 30 */
+	HXTYPE_SIZE_T,
+};
+
+/**
+ * Extra flags to be OR'ed into struct HXoption.type.
+ * %HXOPT_OPTIONAL:	argument to option is optional
+ * 			(it's bad taste to use this)
+ * %HXOPT_INC:		increase variable pointed to by .ptr.
+ * 			(only applies to %HXTYPE_NONE)
+ * %HXOPT_DEC:		increase variable pointed to by .ptr.
+ * 			(only applies to %HXTYPE_NONE)
+ * %HXOPT_NOT:		negate input (*ptr), this is done before OR/AND
+ * %HXOPT_OR:		OR *ptr by argument
+ * %HXOPT_AND:		AND *ptr by argument
+ * %HXOPT_XOR:		XOR *ptr by argument
+ */
+enum {
+	HXOPT_OPTIONAL = 1 << 6,
+	HXOPT_INC      = 1 << 7,
+	HXOPT_DEC      = 1 << 8,
+	HXOPT_NOT      = 1 << 9,
+	HXOPT_OR       = 1 << 10,
+	HXOPT_AND      = 1 << 11,
+	HXOPT_XOR      = 1 << 12,
+};
+
+/**
+ * Flags (4th arg) to HX_getopt.
+ * %HXOPT_PTHRU:	pass-through unknown options to new argv
+ * %HXOPT_DESTROY_OLD:	destroy old argv after parsing is successful
+ * %HXOPT_QUIET:	do not output any warnings to stderr
+ * %HXOPT_HELPONERR:	print out help when a parsing error occurs
+ * %HXOPT_USAGEONERR:	print out short usage when a parsing error occurs
+ * %HXOPT_RQ_ORDER:	require option order/POSIX mode:
+ * 			first non-option terminates option processing
+ */
+enum {
+	HXOPT_PTHRU       = 1 << 0,
+	HXOPT_DESTROY_OLD = 1 << 1,
+	HXOPT_QUIET       = 1 << 2,
+	HXOPT_HELPONERR   = 1 << 3,
+	HXOPT_USAGEONERR  = 1 << 4,
+	HXOPT_RQ_ORDER    = 1 << 5,
+};
+
+/**
+ * (Positive-ranged) return values for HX_getopt.
+ * %HXOPT_ERR_SUCCESS:	success
+ * %HXOPT_ERR_UNKN:	unknown option was encountered
+ * %HXOPT_ERR_VOID:	long option takes no value
+ * %HXOPT_ERR_MIS:	option requires a value argument
+ */
+enum {
+	HXOPT_ERR_SUCCESS = 0,
+	HXOPT_ERR_UNKN,
+	HXOPT_ERR_VOID,
+	HXOPT_ERR_MIS,
+};
+
+/**
+ * Extra flags to be OR'ed into HXformat_add()'s 4th arg.
+ * %HXFORMAT_IMMED:	do not dereference the 4th arg to get at the value
+ */
+enum {
+	HXFORMAT_IMMED = 1 << 13,
+};
+
+/**
+ * Flags for HX_shconfig_pv()
+ * %SHCONF_ONE:		only read one configuration file
+ */
+enum {
+	SHCONF_ONE = 1 << 0,
+};
+
+/**
+ * Flags in struct HXoptcb.flags
+ * %HXOPTCB_BY_LONG:	cb was called by invocation of @current->ln
+ * %HXOPTCB_BY_SHORT:	cb was called by invocation of @current->sh
+ */
+enum {
+	HXOPTCB_BY_LONG  = 1 << 0,
+	HXOPTCB_BY_SHORT = 1 << 1,
+};
+
+struct HXoptcb {
+	const struct HXoption *table, *current;
+	const char *data;
+	union {
+		double data_dbl;
+		long data_long;
+	};
+	unsigned int flags;
+};
+
+/**
+ * @ln:		long option string (without "--"), or %NULL
+ * @sh:		short option character, or '\0'
+ * @type:	type of variable pointed to by .ptr
+ * @ptr:	pointer to variable to set/update
+ * @uptr:	freeform user-supplied pointer;
+ * 		in case of %HXTYPE_SVAL, this is the specific value to set
+ * @cb:		callback function to invoke, or %NULL
+ * @val:	specific value to set if type == HXTYPE_VAL
+ * @help:	help string to display
+ * @htyp:	type string to show in option's help
+ */
+struct HXoption {
+	const char *ln;
+	char sh;
+	unsigned int type;
+	void *ptr, *uptr;
+	void (*cb)(const struct HXoptcb *);
+	int val;
+	const char *help, *htyp;
+};
+
+extern int HX_getopt(const struct HXoption *, int *, const char ***,
+	unsigned int);
+extern void HX_getopt_help(const struct HXoptcb *, FILE *);
+extern void HX_getopt_help_cb(const struct HXoptcb *);
+extern void HX_getopt_usage(const struct HXoptcb *, FILE *);
+extern void HX_getopt_usage_cb(const struct HXoptcb *);
+extern int HX_shconfig(const char *, const struct HXoption *);
+extern struct HXmap *HX_shconfig_map(const char *);
+extern int HX_shconfig_pv(const char **, const char *,
+	const struct HXoption *, unsigned int);
+extern void HX_shconfig_free(const struct HXoption *);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#ifndef __cplusplus
+#	define HXOPT_AUTOHELP \
+		{.ln = "help", .sh = '?', .type = HXTYPE_XHELP, \
+		.cb = HX_getopt_help_cb, .help = "Show this help message"}, \
+		{.ln = "usage", .type = HXTYPE_NONE, \
+		.cb = HX_getopt_usage_cb, \
+		.help = "Display brief usage message"}
+#	define HXOPT_TABLEEND {.type = HXTYPE_XSNTMARK}
+#else
+#	define HXOPT_AUTOHELP \
+		{NULL, '?', HXTYPE_XHELP, NULL, NULL, HX_getopt_help_cb, \
+		0, "Show this help message"}
+#	define HXOPT_TABLEEND {NULL, 0, HXTYPE_XSNTMARK}
+#endif
+
+#endif /* _LIBHX_OPTION_H */
diff --git a/include/libHX/proc.h b/include/libHX/proc.h
new file mode 100644
index 0000000..cb682ed
--- /dev/null
+++ b/include/libHX/proc.h
@@ -0,0 +1,49 @@
+#ifndef _LIBHX_PROC_H
+#define _LIBHX_PROC_H
+
+#ifndef __cplusplus
+#	include <stdbool.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+	HXPROC_VERBOSE     = 1 << 0,
+	HXPROC_EXECV       = 1 << 1,
+	HXPROC_A0          = 1 << 2,
+	HXPROC_STDIN       = 1 << 3,
+	HXPROC_STDOUT      = 1 << 4,
+	HXPROC_STDERR      = 1 << 5,
+	HXPROC_NULL_STDIN  = 1 << 6,
+	HXPROC_NULL_STDOUT = 1 << 7,
+	HXPROC_NULL_STDERR = 1 << 8,
+};
+
+struct HXproc_ops {
+	void (*p_prefork)(void *);
+	void (*p_postfork)(void *);
+	void (*p_complete)(void *);
+};
+
+struct HXproc {
+	const struct HXproc_ops *p_ops;
+	void *p_data;
+	unsigned int p_flags;
+
+	int p_stdin, p_stdout, p_stderr;
+	int p_pid;
+	char p_status;
+	bool p_exited, p_terminated;
+};
+
+extern int HXproc_run_async(const char *const *, struct HXproc *);
+extern int HXproc_run_sync(const char *const *, unsigned int);
+extern int HXproc_wait(struct HXproc *);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBHX_PROC_H */
diff --git a/include/libHX/string.h b/include/libHX/string.h
new file mode 100644
index 0000000..f7146b5
--- /dev/null
+++ b/include/libHX/string.h
@@ -0,0 +1,116 @@
+#ifndef _LIBHX_STRING_H
+#define _LIBHX_STRING_H 1
+
+#ifdef __cplusplus
+#	include <cstddef>
+#	include <cstdio>
+#	include <cstdlib>
+#	include <cstring>
+#else
+#	include <stddef.h>
+#	include <stdio.h>
+#	include <stdlib.h>
+#	include <string.h>
+#endif
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+	HXQUOTE_SQUOTE = 1,
+	HXQUOTE_DQUOTE,
+	HXQUOTE_HTML,
+	HXQUOTE_LDAPFLT,
+	HXQUOTE_LDAPRDN,
+	HXQUOTE_BASE64,
+	HXQUOTE_URIENC,
+	HXQUOTE_SQLSQUOTE,
+	HXQUOTE_SQLBQUOTE,
+	_HXQUOTE_MAX,
+};
+
+#ifndef __libhx_internal_hxmc_t_defined
+#define __libhx_internal_hxmc_t_defined 1
+typedef char hxmc_t;
+#endif
+
+/*
+ *	MC.C
+ */
+extern hxmc_t *HXmc_strinit(const char *);
+extern hxmc_t *HXmc_meminit(const void *, size_t);
+extern hxmc_t *HXmc_strcpy(hxmc_t **, const char *);
+extern hxmc_t *HXmc_memcpy(hxmc_t **, const void *, size_t);
+extern size_t HXmc_length(const hxmc_t *);
+extern hxmc_t *HXmc_setlen(hxmc_t **, size_t);
+extern hxmc_t *HXmc_trunc(hxmc_t **, size_t);
+extern hxmc_t *HXmc_strcat(hxmc_t **, const char *);
+extern hxmc_t *HXmc_memcat(hxmc_t **, const void *, size_t);
+extern hxmc_t *HXmc_strpcat(hxmc_t **, const char *);
+extern hxmc_t *HXmc_mempcat(hxmc_t **, const void *, size_t);
+extern hxmc_t *HXmc_strins(hxmc_t **, size_t, const char *);
+extern hxmc_t *HXmc_memins(hxmc_t **, size_t, const void *, size_t);
+extern hxmc_t *HXmc_memdel(hxmc_t *, size_t, size_t);
+extern void HXmc_free(hxmc_t *);
+extern void HXmc_zvecfree(hxmc_t **);
+
+/*
+ *	STRING.C
+ */
+extern char *HX_basename(const char *);
+extern char *HX_basename_exact(const char *);
+extern char *HX_chomp(char *);
+extern char *HX_dirname(const char *);
+extern hxmc_t *HX_getl(hxmc_t **, FILE *);
+extern void *HX_memmem(const void *, size_t, const void *, size_t);
+extern char **HX_split(const char *, const char *, int *, int);
+extern char **HX_split4(char *, const char *, int *, int);
+extern int HX_split5(char *, const char *, int, char **);
+extern char *HX_strbchr(const char *, const char *, char);
+extern char *HX_strchr2(const char *, const char *);
+extern char *HX_strclone(char **, const char *);
+extern char *HX_strdup(const char *);
+extern char *HX_strlcat(char *, const char *, size_t);
+extern char *HX_strlcpy(char *, const char *, size_t);
+extern char *HX_strlncat(char *, const char *, size_t, size_t);
+extern char *HX_strlower(char *);
+extern size_t HX_strltrim(char *);
+extern char *HX_stpltrim(const char *);
+extern char *HX_strmid(const char *, long, long);
+extern char *HX_strndup(const char *, size_t);
+extern size_t HX_strnlen(const char *, size_t);
+extern char *HX_strquote(const char *, unsigned int, char **);
+extern size_t HX_strrcspn(const char *, const char *);
+extern char *HX_strrev(char *);
+extern size_t HX_strrtrim(char *);
+extern char *HX_strsep(char **, const char *);
+extern char *HX_strsep2(char **, const char *);
+extern char *HX_strupper(char *);
+
+static __inline__ void *HX_memdup(const void *buf, size_t len)
+{
+	void *ret;
+	if ((ret = malloc(len)) == NULL)
+		return NULL;
+	return memcpy(ret, buf, len);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#ifdef __cplusplus
+extern "C++" {
+
+template<typename type> static __inline__ type
+HX_memdup(const void *data, size_t n)
+{
+	return reinterpret_cast<type>(HX_memdup(data, n));
+}
+
+} /* extern "C++" */
+#endif
+
+#endif /* _LIBHX_STRING_H */
diff --git a/include/libHX/wx_helper.hpp b/include/libHX/wx_helper.hpp
new file mode 100644
index 0000000..07d7802
--- /dev/null
+++ b/include/libHX/wx_helper.hpp
@@ -0,0 +1,20 @@
+#ifndef _LIBHX_WXHELPER_HPP
+#define _LIBHX_WXHELPER_HPP 1
+
+/* Convert from UTF-8 to wxString; only valid within the scope of the result */
+#define wxfu8(s)	wxString((s), wxConvUTF8)
+
+/* Convert from UTF-8 to wxString for varargs/wxPrintf */
+#define wxfv8(s)	(wxfu8(s).c_str())
+
+/* Convert from wxString to UTF-8; limited validity */
+#define wxtu8(s)	static_cast<const char *>((s).ToUTF8())
+
+/* Common dialog flags */
+#define wxCDF     (wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR)
+#define wxACV     wxALIGN_CENTER_VERTICAL
+#define wxDPOS    wxDefaultPosition
+#define wxDSIZE   wxDefaultSize
+#define wxDSPAN   wxDefaultSpan
+
+#endif /* _LIBHX_WXHELPER_HPP */