X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Flibcore%2Flc_opts.c;h=665398acf9d5866516f4862d5a5fe1b82f1bee47;hb=bd019d8cd785c1a433c19dee44bf3f9e82397286;hp=08ba076b524b4e5523348224cec8bc3bc9f0903b;hpb=cfc7f9e2006fd93ed64399307b2b8728b03e4ec7;p=libfirm

diff --git a/ir/libcore/lc_opts.c b/ir/libcore/lc_opts.c
index 08ba076b5..665398acf 100644
--- a/ir/libcore/lc_opts.c
+++ b/ir/libcore/lc_opts.c
@@ -16,51 +16,28 @@
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include <stdio.h>
 #include <stdarg.h>
+#include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 
-#if defined(__FreeBSD__)
-#include <stdlib.h>
-#elif defined(_WIN32)
-#include <malloc.h>
-#else
-#include <alloca.h>
-#endif
-
-/* Includes to determine user's home directory */
-#ifdef _WIN32
-#include <shlobj.h>
-#else
-#include <sys/types.h>
-#include <unistd.h>
-#include <pwd.h>
-#endif
-
-/* maximum length of a path. */
-#ifndef MAX_PATH
-#define MAX_PATH 2048
-#endif
-
-
-#include "lc_common_t.h"
 #include "lc_opts_t.h"
 #include "lc_opts_enum.h"
-#include "lc_parser_t.h"
 #include "hashptr.h"
 #include "lc_printf.h"
+#include "util.h"
+#include "xmalloc.h"
+#include "obst.h"
 
 #define ERR_STRING "In argument \"%s\": "
 
 #define OPT_DELIM '-'
 
-#define HELP_TEMPL		"%-15s %-10s %-45s"
-#define HELP_TEMPL_VALS	HELP_TEMPL " [%s] (%s)"
+#define HELP_TEMPL         "%-15s %-10s %-45s"
+#define HELP_TEMPL_VALS    HELP_TEMPL " [%s] (%s)"
 
 static struct obstack obst;
 
@@ -77,7 +54,7 @@ static void set_name(lc_opt_entry_t *ent, const char *name)
 
 static lc_opt_err_info_t *set_error(lc_opt_err_info_t *err, int error, const char *arg)
 {
-	if(err) {
+	if (err) {
 		err->error = error;
 		err->msg = "";
 		err->arg = arg;
@@ -93,9 +70,9 @@ int lc_opt_raise_error(const lc_opt_err_info_t *err, lc_opt_error_handler_t *han
 	int res = 0;
 
 	va_start(args, fmt);
-	if(err && lc_opt_is_error(err)) {
+	if (err && lc_opt_is_error(err)) {
 		res = 1;
-		if(handler) {
+		if (handler) {
 			char buf[256];
 			vsnprintf(buf, sizeof(buf), fmt, args);
 			handler(buf, err);
@@ -113,9 +90,9 @@ static lc_opt_entry_t *init_entry(lc_opt_entry_t *ent, lc_opt_entry_t *parent,
 	const char *copied_desc;
 
 	obstack_grow0(&obst, name, strlen(name));
-	copied_name = obstack_finish(&obst);
+	copied_name = (char*)obstack_finish(&obst);
 	obstack_grow0(&obst, desc, strlen(desc));
-	copied_desc = obstack_finish(&obst);
+	copied_desc = (char*)obstack_finish(&obst);
 
 	memset(ent, 0, sizeof(*ent));
 	set_name(ent, copied_name);
@@ -131,9 +108,9 @@ static lc_opt_entry_t *init_grp(lc_opt_entry_t *ent, lc_opt_err_info_t *err)
 	INIT_LIST_HEAD(&ent->v.grp.opts);
 
 	set_error(err, lc_opt_err_none, "");
-	if(ent->parent) {
-		if(ent->parent->is_grp)
-			list_add(&ent->list, &lc_get_grp_special(ent->parent)->grps);
+	if (ent->parent) {
+		if (ent->parent->is_grp)
+			list_add_tail(&ent->list, &lc_get_grp_special(ent->parent)->grps);
 		else
 			set_error(err, lc_opt_err_grp_expected, ent->parent->name);
 	}
@@ -153,14 +130,14 @@ static lc_opt_entry_t *init_opt(lc_opt_entry_t *ent,
 
 	ent->is_grp = 0;
 	set_error(err, lc_opt_err_none, "");
-	list_add(&ent->list, &lc_get_grp_special(ent->parent)->opts);
+	list_add_tail(&ent->list, &lc_get_grp_special(ent->parent)->opts);
 
-	s->type		 = type;
-	s->value	 = val;
-	s->cb		 = cb;
+	s->type      = type;
+	s->value     = val;
+	s->cb        = cb;
 	s->dump      = dump;
 	s->dump_vals = dump_vals;
-	s->length	 = length;
+	s->length    = length;
 
 	return ent;
 }
@@ -171,7 +148,7 @@ lc_opt_entry_t *lc_opt_root_grp(void)
 	static lc_opt_entry_t root_group;
 	static int inited = 0;
 
-	if(!inited) {
+	if (!inited) {
 		obstack_init(&obst);
 		inited = 1;
 
@@ -192,7 +169,7 @@ static const char *get_type_name(lc_opt_type_t type)
 	const char *res;
 
 #define XXX(t) case lc_opt_type_ ## t: res = #t; break
-	switch(type) {
+	switch (type) {
 		XXX(enum);
 		XXX(bit);
 		XXX(int);
@@ -214,16 +191,12 @@ const char *lc_opt_get_type_name(const lc_opt_entry_t *ent)
 	return get_type_name(lc_get_opt_special(ent)->type);
 }
 
-
-lc_opt_entry_t *lc_opt_find_grp(const lc_opt_entry_t *grp, const char *name, lc_opt_err_info_t *err);
-lc_opt_entry_t *lc_opt_find_opt(const lc_opt_entry_t *grp, const char *name, lc_opt_err_info_t *err);
-
 lc_opt_entry_t *lc_opt_get_grp(lc_opt_entry_t *parent, const char *name)
 {
 	lc_opt_entry_t *ent = lc_opt_find_grp(parent, name, NULL);
 
-	if(!ent) {
-		ent = obstack_alloc(&obst, sizeof(*ent));
+	if (!ent) {
+		ent = OALLOC(&obst, lc_opt_entry_t);
 		init_entry(ent, parent, name, "");
 		init_grp(ent, NULL);
 	}
@@ -240,11 +213,11 @@ lc_opt_entry_t *lc_opt_add_opt(lc_opt_entry_t *parent,
 {
 	lc_opt_entry_t *res = NULL;
 
-	if(parent->is_grp) {
+	if (parent->is_grp) {
 		lc_opt_entry_t *ent = lc_opt_find_opt(parent, name, NULL);
 
-		if(!ent) {
-			res = obstack_alloc(&obst, sizeof(*ent));
+		if (!ent) {
+			res = OALLOC(&obst, lc_opt_entry_t);
 			init_entry(res, parent, name, desc);
 			init_opt(res, type, value, length, cb, dump, dump_vals, err);
 		} else
@@ -263,9 +236,9 @@ static lc_opt_entry_t *lc_opt_find_ent(const struct list_head *head, const char
 	int error = error_to_use;
 	unsigned hash = HASH_STR(name, strlen(name));
 
-	if(!list_empty(head)) {
+	if (!list_empty(head)) {
 		list_for_each_entry(lc_opt_entry_t, ent, head, list) {
-			if(entry_matches(ent, hash, name)) {
+			if (entry_matches(ent, hash, name)) {
 				error = lc_opt_err_none;
 				found = ent;
 				break;
@@ -294,7 +267,7 @@ static const lc_opt_entry_t *resolve_up_to_last(const lc_opt_entry_t *root,
 {
 	lc_opt_entry_t *ent;
 
-	if(pos == n)
+	if (pos == n)
 		return root;
 
 	ent = lc_opt_find_grp(root, names[pos], err);
@@ -311,12 +284,12 @@ static lc_opt_entry_t *resolve_up_to_last_str_rec(lc_opt_entry_t *from,
 	lc_opt_entry_t *res = from;
 	size_t end          = strcspn(path, path_delim);
 
-	if(path[end] != '\0') {
+	if (path[end] != '\0') {
 		/* skip all delimiters */
 		size_t next = strspn(path + end, path_delim);
 
 		/* copy the part of the path into a buffer */
-		char *buf = malloc((end+1) * sizeof(buf[0]));
+		char *buf = (char*)malloc((end+1) * sizeof(buf[0]));
 		strncpy(buf, path, end);
 		buf[end] = '\0';
 
@@ -327,7 +300,7 @@ static lc_opt_entry_t *resolve_up_to_last_str_rec(lc_opt_entry_t *from,
 		res = resolve_up_to_last_str_rec(from, path + end + next, last_name);
 	}
 
-	else if(last_name != NULL) {
+	else if (last_name != NULL) {
 		*last_name = path;
 	}
 
@@ -339,7 +312,7 @@ static lc_opt_entry_t *resolve_up_to_last_str(lc_opt_entry_t *root, const char *
 	size_t next = strspn(path, path_delim);
 
 	/* if l != 0 we saw deliminators, so we resolve from the root */
-	if(next > 0)
+	if (next > 0)
 		root = lc_opt_root_grp();
 
 	return resolve_up_to_last_str_rec(root, path + next, last_name);
@@ -362,36 +335,37 @@ lc_opt_entry_t *lc_opt_resolve_opt(const lc_opt_entry_t *root,
 static char *strtolower(char *buf, size_t n, const char *str)
 {
 	unsigned i;
-	for(i = 0; i < n; ++i)
-		buf[i] = tolower(str[i]);
+	for (i = 0; i < n; ++i)
+		buf[i] = tolower((unsigned char)str[i]);
 	return buf;
 }
 
-int lc_opt_std_cb(UNUSED(const char *name), lc_opt_type_t type, void *data, size_t length, ...)
+int lc_opt_std_cb(const char *name, lc_opt_type_t type, void *data, size_t length, ...)
 {
 	va_list args;
 	int res = 0;
 	int integer;
+	(void) name;
 
 	va_start(args, length);
 
-	if(data) {
+	if (data) {
 		res = 1;
-		switch(type) {
+		switch (type) {
 		case lc_opt_type_bit:
 			integer = va_arg(args, int);
-			if(integer)
-				*((int *) data) |= length;
+			if (integer)
+				*(unsigned*)data |= length;
 			else
-				*((int *) data) &= ~length;
+				*(unsigned*)data &= ~length;
 			break;
 
 		case lc_opt_type_negbit:
 			integer = va_arg(args, int);
-			if(integer)
-				*((int *) data) &= ~length;
+			if (integer)
+				*(unsigned*)data &= ~length;
 			else
-				*((int *) data) |= length;
+				*(unsigned*)data |= length;
 			break;
 
 		case lc_opt_type_boolean:
@@ -403,7 +377,7 @@ int lc_opt_std_cb(UNUSED(const char *name), lc_opt_type_t type, void *data, size
 			break;
 
 		case lc_opt_type_string:
-			strncpy(data, va_arg(args, const char *), length);
+			strncpy((char*)data, va_arg(args, const char *), length);
 			break;
 
 		case lc_opt_type_int:
@@ -422,22 +396,24 @@ int lc_opt_std_cb(UNUSED(const char *name), lc_opt_type_t type, void *data, size
 	return res;
 }
 
-int lc_opt_std_dump(char *buf, size_t n, UNUSED(const char *name), lc_opt_type_t type, void *data, UNUSED(size_t length))
+int lc_opt_std_dump(char *buf, size_t n, const char *name, lc_opt_type_t type, void *data, size_t length)
 {
 	int res;
+	(void) name;
+	(void) length;
 
-	if(data) {
-		switch(type) {
+	if (data) {
+		switch (type) {
 		case lc_opt_type_bit:
 		case lc_opt_type_negbit:
-			res = snprintf(buf, n, "%x", *((int *) data));
+			res = snprintf(buf, n, "%x", *((unsigned *) data));
 			break;
 		case lc_opt_type_boolean:
 		case lc_opt_type_negboolean:
 			res = snprintf(buf, n, "%s", *((int *) data) ? "true" : "false");
 			break;
 		case lc_opt_type_string:
-			strncpy(buf, data, n);
+			strncpy(buf, (const char*)data, n);
 			res = n;
 			break;
 		case lc_opt_type_int:
@@ -460,8 +436,12 @@ int lc_opt_std_dump(char *buf, size_t n, UNUSED(const char *name), lc_opt_type_t
 	return res;
 }
 
-int lc_opt_bool_dump_vals(char *buf, size_t n, UNUSED(const char *name), UNUSED(lc_opt_type_t type), UNUSED(void *data), UNUSED(size_t length))
+int lc_opt_bool_dump_vals(char *buf, size_t n, const char *name, lc_opt_type_t type, void *data, size_t length)
 {
+	(void) name;
+	(void) type;
+	(void) data;
+	(void) length;
 	strncpy(buf, "true, false", n);
 	return n;
 }
@@ -491,21 +471,21 @@ int lc_opt_occurs(lc_opt_entry_t *opt, const char *value, lc_opt_err_info_t *err
 		double dbl;
 	} val_storage, *val = &val_storage;
 
-	if(!opt) {
+	if (!opt) {
 		set_error(err, lc_opt_err_opt_not_found, "");
 		return 0;
 	}
 
-	if(!s->cb) {
+	if (!s->cb) {
 		set_error(err, lc_opt_err_no_callback, "");
 		return 0;
 	}
 
 	s->is_set = 1;
 
-	switch(s->type) {
+	switch (s->type) {
 		case lc_opt_type_int:
-			if(sscanf(value, "%i", (int *) val)) {
+			if (sscanf(value, "%i", (int *) val)) {
 				error = lc_opt_err_unknown_value;
 				if (s->cb(opt->name, s->type, s->value, s->length, val->integer))
 					error = lc_opt_err_none;
@@ -513,7 +493,7 @@ int lc_opt_occurs(lc_opt_entry_t *opt, const char *value, lc_opt_err_info_t *err
 			break;
 
 		case lc_opt_type_double:
-			if(sscanf(value, "%lf", (double *) val)) {
+			if (sscanf(value, "%lf", (double *) val)) {
 				error = lc_opt_err_unknown_value;
 				if (s->cb(opt->name, s->type, s->value, s->length, val->dbl))
 					error = lc_opt_err_none;
@@ -525,8 +505,8 @@ int lc_opt_occurs(lc_opt_entry_t *opt, const char *value, lc_opt_err_info_t *err
 		case lc_opt_type_bit:
 		case lc_opt_type_negbit:
 				strtolower(buf, sizeof(buf), value);
-				for(i = 0; i < LC_ARRSIZE(bool_strings); ++i) {
-					if(strcmp(buf, bool_strings[i].str) == 0) {
+				for (i = 0; i < ARRAY_SIZE(bool_strings); ++i) {
+					if (strcmp(buf, bool_strings[i].str) == 0) {
 						val->integer = bool_strings[i].val;
 						error = lc_opt_err_none;
 						break;
@@ -547,6 +527,8 @@ int lc_opt_occurs(lc_opt_entry_t *opt, const char *value, lc_opt_err_info_t *err
 			if (s->cb(opt->name, s->type, s->value, s->length, value))
 				error = lc_opt_err_none;
 			break;
+		case lc_opt_type_invalid:
+			abort();
 	}
 
 	set_error(err, error, value);
@@ -556,7 +538,7 @@ int lc_opt_occurs(lc_opt_entry_t *opt, const char *value, lc_opt_err_info_t *err
 char *lc_opt_value_to_string(char *buf, size_t len, const lc_opt_entry_t *ent)
 {
 	const lc_opt_special_t *s = lc_get_opt_special(ent);
-	if(s->dump)
+	if (s->dump)
 		s->dump(buf, len, ent->name, s->type, s->value, s->length);
 	else
 		strncpy(buf, "<n/a>", len);
@@ -564,29 +546,27 @@ char *lc_opt_value_to_string(char *buf, size_t len, const lc_opt_entry_t *ent)
 	return buf;
 }
 
-char *lc_opt_values_to_string(char *buf, size_t len, const lc_opt_entry_t *ent)
+static char *lc_opt_values_to_string(char *buf, size_t len, const lc_opt_entry_t *ent)
 {
 	const lc_opt_special_t *s = lc_get_opt_special(ent);
-	if(s->dump_vals)
+	if (s->dump_vals)
 		s->dump_vals(buf, len, ent->name, s->type, s->value, s->length);
 
 	return buf;
 }
 
-static lc_opt_entry_t *resolve_up_to_last_str(lc_opt_entry_t *root, const char *path, const char **last_name);
-
 int lc_opt_add_table(lc_opt_entry_t *root, const lc_opt_table_entry_t *table)
 {
 	int i, res = 0;
 	lc_opt_err_info_t err;
 
-	for(i = 0; table[i].name != NULL; ++i) {
+	for (i = 0; table[i].name != NULL; ++i) {
 		const char *name;
 		const lc_opt_table_entry_t *tab = &table[i];
 		lc_opt_entry_t *grp = resolve_up_to_last_str(root, tab->name, &name);
 
 		lc_opt_add_opt(grp, name, tab->desc, tab->type, tab->value, tab->len, tab->cb, tab->dump, tab->dump_vals, &err);
-		if(err.error != lc_opt_err_none)
+		if (err.error != lc_opt_err_none)
 			res = 1;
 	}
 
@@ -607,7 +587,7 @@ static void lc_opt_print_grp_path_rec(char *buf, size_t len, const lc_opt_entry_
 		}
 	}
 
-	strncat(buf, ent->name, len);
+	strncat(buf, ent->name, len-1);
 }
 
 static char *lc_opt_print_grp_path(char *buf, size_t len, const lc_opt_entry_t *ent, char separator, lc_opt_entry_t *stop_ent)
@@ -630,10 +610,10 @@ static void lc_opt_print_help_rec(lc_opt_entry_t *ent, char separator, lc_opt_en
 	lc_grp_special_t *s = lc_get_grp_special(ent);
 	char grp_name[512];
 	char value[256];
-	char values[256];
+	char values[512];
 	lc_opt_entry_t *e;
 
-	if(!list_empty(&s->opts)) {
+	if (!list_empty(&s->opts)) {
 		lc_opt_print_grp_path(grp_name, sizeof(grp_name), ent, separator, stop_ent);
 		fputc('\n', f);
 		if (grp_name[0])
@@ -670,7 +650,7 @@ void lc_opt_print_help_for_entry(lc_opt_entry_t *ent, char separator, FILE *f)
 static void indent(FILE *f, int n)
 {
 	int i;
-	for(i = 0; i < n; ++i)
+	for (i = 0; i < n; ++i)
 		fputc(' ', f);
 }
 
@@ -688,7 +668,7 @@ static void lc_opt_print_tree_grp_indent(lc_opt_entry_t *ent, FILE *f, int level
 {
 	lc_grp_special_t *s;
 
-	if(ent->is_grp) {
+	if (ent->is_grp) {
 		lc_opt_entry_t *e;
 
 		s = lc_get_grp_special(ent);
@@ -710,12 +690,10 @@ void lc_opt_print_tree(lc_opt_entry_t *ent, FILE *f)
 	lc_opt_print_tree_grp_indent(ent, f, 0);
 }
 
-
-void lc_opt_from_file(const char *filename, FILE *f, lc_opt_error_handler_t *handler)
+static int lc_opts_default_error_handler(const char *prefix, const lc_opt_err_info_t *err)
 {
-	PMANGLE(in) = f;
-	lc_opt_init_parser(filename, handler);
-	PMANGLE(parse)();
+	fprintf(stderr, "%s: %s; %s\n", prefix, err->msg, err->arg);
+	return 0;
 }
 
 int lc_opt_from_single_arg(const lc_opt_entry_t *root,
@@ -723,57 +701,34 @@ int lc_opt_from_single_arg(const lc_opt_entry_t *root,
 						   const char *arg, lc_opt_error_handler_t *handler)
 {
 	const lc_opt_entry_t *grp = root;
-	int n                     = strlen(arg);
-	int n_prefix              = opt_prefix ? strlen(opt_prefix) : 0;
+	size_t n                  = strlen(arg);
+	size_t n_prefix           = opt_prefix ? strlen(opt_prefix) : 0;
 	int error                 = 0;
 	int ret                   = 0;
 
 	lc_opt_err_info_t err;
-	char *end, *buf, *eqsign;
+	const char *end, *eqsign;
 
-	if(n >= n_prefix && strncmp(opt_prefix, arg, n_prefix) == 0) {
+	if (n >= n_prefix && strncmp(opt_prefix, arg, n_prefix) == 0) {
 		arg = arg + n_prefix;
 
-		/*
-		 * check, if the next character is a @.
-		 * This means, that we want to read options
-		 * from a file.
-		 */
-		if(arg[0] == '@') {
-			size_t n		= strcspn(&arg[1], " \t\n");
-			char *fname		= alloca(n + 1);
-			FILE *f;
-
-			strncpy(fname, &arg[1], n);
-			if((f = fopen(fname, "rt")) != NULL) {
-				lc_opt_from_file(fname, f, handler);
-				fclose(f);
-				set_error(&err, lc_opt_err_none, NULL);
-			}
-
-			else
-				set_error(&err, lc_opt_err_file_not_found, arg);
-
-			return !lc_opt_raise_error(&err, handler, "Unable to open file: %s", fname);
-		}
-
 		/* find the next delimiter (the -) and extract the string up to
 		 * there. */
 		end    = strchr(arg, OPT_DELIM);
 		eqsign = strchr(arg, '=');
 		if (eqsign && eqsign < end)
 			end = NULL;
-		while(end != NULL) {
+		while (end != NULL) {
 			/*
 			 * Copy the part of the option into the buffer and add the
 			 * finalizing zero.
 			 */
-			buf = obstack_copy0(&obst, arg, end - arg);
+			char *buf = (char*)obstack_copy0(&obst, arg, end - arg);
 
 			/* Resolve the group inside the group */
 			grp = lc_opt_find_grp(grp, buf, &err);
 			error = lc_opt_raise_error(&err, handler, ERR_STRING, arg);
-			if(error)
+			if (error)
 				break;
 
 			/* Find the next option part delimiter. */
@@ -785,8 +740,9 @@ int lc_opt_from_single_arg(const lc_opt_entry_t *root,
 			obstack_free(&obst, buf);
 		}
 
-		if(!error) {
+		if (!error) {
 			lc_opt_entry_t *opt;
+			char           *buf;
 
 			/*
 			 * Now, we are at the last option part:
@@ -796,11 +752,11 @@ int lc_opt_from_single_arg(const lc_opt_entry_t *root,
 			 * later.
 			 */
 			end = strchr(arg, '=');
-			buf = obstack_copy0(&obst, arg, end ? end - arg : (int) strlen(arg));
+			buf = (char*)obstack_copy0(&obst, arg, end ? end - arg : (int) strlen(arg));
 			opt = lc_opt_find_opt(grp, buf, &err);
 			error = lc_opt_raise_error(&err, handler, ERR_STRING, arg);
 
-			if(!error) {
+			if (!error) {
 				/*
 				 * Now evaluate the parameter of the option (the part after
 				 * the =) if it was given.
@@ -825,15 +781,19 @@ int lc_opt_from_argv(const lc_opt_entry_t *root,
 	int i;
 	int options_set = 0;
 
-	for(i = 0; i < argc; ++i) {
+	if (handler == NULL)
+		handler = lc_opts_default_error_handler;
+
+	for (i = 0; i < argc; ++i) {
 		options_set |= lc_opt_from_single_arg(root, opt_prefix, argv[i], handler);
 	}
 
 	return options_set;
 }
 
-static int opt_arg_type(UNUSED(const lc_arg_occ_t *occ))
+static int opt_arg_type(const lc_arg_occ_t *occ)
 {
+	(void) occ;
 	return lc_arg_type_ptr;
 }
 
@@ -841,11 +801,11 @@ static int opt_arg_emit(lc_appendable_t *app, const lc_arg_occ_t *occ, const lc_
 {
 	char buf[256];
 
-	lc_opt_entry_t *opt = arg->v_ptr;
-	const char *s		= buf;
-	size_t res			= 0;
+	lc_opt_entry_t *opt = (lc_opt_entry_t*)arg->v_ptr;
+	const char     *s   = buf;
+	size_t          res = 0;
 
-	switch(occ->conversion) {
+	switch (occ->conversion) {
 	case 'V':
 		lc_opt_value_to_string(buf, sizeof(buf), opt);
 		break;
@@ -862,7 +822,7 @@ static int opt_arg_emit(lc_appendable_t *app, const lc_arg_occ_t *occ, const lc_
 		s = NULL;
 	}
 
-	if(s)
+	if (s)
 		res = lc_appendable_snadd(app, s, strlen(s));
 
 	return res;
@@ -880,7 +840,7 @@ const lc_arg_env_t *lc_opt_get_arg_env(void)
 {
 	static lc_arg_env_t *env = NULL;
 
-	if(!env) {
+	if (!env) {
 		env = lc_arg_new_env();
 
 		lc_arg_register(env, "opt:value", 'V', &lc_opt_arg_handler);
@@ -891,67 +851,3 @@ const lc_arg_env_t *lc_opt_get_arg_env(void)
 
 	return env;
 }
-
-static int lc_opts_default_error_handler(const char *prefix, const lc_opt_err_info_t *err)
-{
-	fprintf(stderr, "%s: %s; %s\n", prefix, err->msg, err->arg);
-	return 0;
-}
-
-void lc_opts_init(const char *ini_name, lc_opt_entry_t *root, const char *arg_prefix, int argc, const char **argv)
-{
-	FILE *f;
-	char path[MAX_PATH];
-	char local_ini_file[MAX_PATH];
-	char home_dir_ini_file[MAX_PATH];
-
-	/* <cmnt>.ini */
-	strncpy(local_ini_file, ini_name, sizeof(local_ini_file));
-	strncat(local_ini_file, ".ini", sizeof(local_ini_file));
-	local_ini_file[sizeof(local_ini_file) - 1] = '\0';
-	path[0] = '\0';
-
-#ifdef _WIN32
-#if _MSC_VER > 1200
-	/* ARG: need newer SDK to compile this */
-	SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, 0, path);
-	strncat(path, "\\", sizeof(path));
-#endif
-	strncpy(home_dir_ini_file, local_ini_file, sizeof(home_dir_ini_file));
-	home_dir_ini_file[sizeof(home_dir_ini_file) - 1] = '\0';
-#else
-	{
-		struct passwd *entry = getpwuid(getuid());
-		if (entry != NULL) {
-			strcpy(path, entry->pw_dir);
-			strncat(path, "/", sizeof(path));
-			/* .<cmnt>rc */
-			snprintf(home_dir_ini_file, sizeof(home_dir_ini_file), ".%src", ini_name);
-			home_dir_ini_file[sizeof(home_dir_ini_file) - 1] = '\0';
-		} else {
-			/* FIXME: some error occured */
-			home_dir_ini_file[0] = '\0';
-		}
-	}
-#endif
-
-	strncat(path, home_dir_ini_file, sizeof(path));
-	path[sizeof(path) - 1] = '\0';
-
-	/* Process ini file in user's home. */
-	f = fopen(path, "rt");
-	if (f) {
-		lc_opt_from_file(path, f, lc_opts_default_error_handler);
-		fclose(f);
-	}
-
-	/* Process ini file in current directory. */
-	f = fopen(local_ini_file, "rt");
-	if (f) {
-		lc_opt_from_file(local_ini_file, f, lc_opts_default_error_handler);
-		fclose(f);
-	}
-
-	/* process arguments from the command line */
-	lc_opt_from_argv(root, arg_prefix, argc, argv, lc_opts_default_error_handler);
-}