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Add a couple of extra option types, and implement show-options command.

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This commit is contained in:
Nicholas Marriott
2008-06-15 08:01:54 +00:00
parent 0591d9ff12
commit 557b6b86b0
14 changed files with 310 additions and 59 deletions
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126
options.c
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@@ -1,4 +1,4 @@
/* $Id: options.c,v 1.1 2008-06-03 21:42:37 nicm Exp $ */
/* $Id: options.c,v 1.2 2008-06-15 08:01:54 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -30,6 +30,9 @@
SPLAY_GENERATE(options_tree, options_entry, entry, options_cmp);
struct options_entry *options_find1(struct options *, const char *);
struct options_entry *options_find(struct options *, const char *);
int
options_cmp(struct options_entry *o1, struct options_entry *o2)
{
@@ -58,15 +61,38 @@ options_free(struct options *oo)
}
}
void printflike3
options_set_string(struct options *oo, const char *name, const char *fmt, ...)
struct options_entry *
options_find1(struct options *oo, const char *name)
{
struct options_entry p;
p.name = name;
return (SPLAY_FIND(options_tree, &oo->tree, &p));
}
struct options_entry *
options_find(struct options *oo, const char *name)
{
struct options_entry *o, p;
va_list ap;
p.name = name;
o = SPLAY_FIND(options_tree, &oo->tree, &p);
if (o == NULL) {
while (o == NULL) {
oo = oo->parent;
if (oo == NULL)
break;
o = SPLAY_FIND(options_tree, &oo->tree, &p);
}
return (o);
}
void printflike3
options_set_string(struct options *oo, const char *name, const char *fmt, ...)
{
struct options_entry *o;
va_list ap;
if ((o = options_find1(oo, name)) == NULL) {
o = xmalloc(sizeof *o);
o->name = xstrdup(name);
SPLAY_INSERT(options_tree, &oo->tree, o);
@@ -82,17 +108,9 @@ options_set_string(struct options *oo, const char *name, const char *fmt, ...)
char *
options_get_string(struct options *oo, const char *name)
{
struct options_entry *o, p;
struct options_entry *o;
p.name = name;
o = SPLAY_FIND(options_tree, &oo->tree, &p);
while (o == NULL) {
oo = oo->parent;
o = SPLAY_FIND(options_tree, &oo->tree, &p);
if (o != NULL)
break;
}
if (o == NULL)
if ((o = options_find(oo, name)) == NULL)
fatalx("missing option");
if (o->type != OPTIONS_STRING)
fatalx("option not a string");
@@ -102,11 +120,9 @@ options_get_string(struct options *oo, const char *name)
void
options_set_number(struct options *oo, const char *name, long long value)
{
struct options_entry *o, p;
struct options_entry *o;
p.name = name;
o = SPLAY_FIND(options_tree, &oo->tree, &p);
if (o == NULL) {
if ((o = options_find1(oo, name)) == NULL) {
o = xmalloc(sizeof *o);
o->name = xstrdup(name);
SPLAY_INSERT(options_tree, &oo->tree, o);
@@ -118,22 +134,72 @@ options_set_number(struct options *oo, const char *name, long long value)
}
int
long long
options_get_number(struct options *oo, const char *name)
{
struct options_entry *o, p;
struct options_entry *o;
p.name = name;
o = SPLAY_FIND(options_tree, &oo->tree, &p);
while (o == NULL) {
oo = oo->parent;
o = SPLAY_FIND(options_tree, &oo->tree, &p);
if (o != NULL)
break;
}
if (o == NULL)
if ((o = options_find(oo, name)) == NULL)
fatalx("missing option");
if (o->type != OPTIONS_NUMBER)
fatalx("option not a number");
return (o->value.number);
}
void
options_set_key(struct options *oo, const char *name, int value)
{
struct options_entry *o;
if ((o = options_find1(oo, name)) == NULL) {
o = xmalloc(sizeof *o);
o->name = xstrdup(name);
SPLAY_INSERT(options_tree, &oo->tree, o);
} else if (o->type == OPTIONS_STRING)
xfree(o->value.string);
o->type = OPTIONS_KEY;
o->value.key = value;
}
int
options_get_key(struct options *oo, const char *name)
{
struct options_entry *o;
if ((o = options_find(oo, name)) == NULL)
fatalx("missing option");
if (o->type != OPTIONS_KEY)
fatalx("option not a key");
return (o->value.key);
}
void
options_set_colours(struct options *oo, const char *name, u_char value)
{
struct options_entry *o;
if ((o = options_find1(oo, name)) == NULL) {
o = xmalloc(sizeof *o);
o->name = xstrdup(name);
SPLAY_INSERT(options_tree, &oo->tree, o);
} else if (o->type == OPTIONS_STRING)
xfree(o->value.string);
o->type = OPTIONS_COLOURS;
o->value.colours = value;
}
u_char
options_get_colours(struct options *oo, const char *name)
{
struct options_entry *o;
if ((o = options_find(oo, name)) == NULL)
fatalx("missing option");
if (o->type != OPTIONS_COLOURS)
fatalx("option not a colours");
return (o->value.colours);
}