2 * Unix SMB/CIFS implementation.
3 * Copyright (C) Jelmer Vernooij 2005
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #include "lib/util/dlinklist.h"
21 #include "param/param.h"
22 #include "system/filesys.h"
24 struct param_section *param_get_section(struct param_context *ctx, const char *name)
26 struct param_section *sect;
31 for (sect = ctx->sections; sect; sect = sect->next) {
32 if (!strcasecmp_m(sect->name, name))
39 struct param *param_section_get (struct param_section *section, const char *name)
43 for (p = section->parameters; p; p = p->next) {
44 if (strcasecmp_m(p->name, name) == 0)
51 struct param *param_get (struct param_context *ctx, const char *section_name, const char *name)
53 struct param_section *section = param_get_section(ctx, section_name);
57 return param_section_get(section, name);
60 /* Look up parameter. If it is not found, add it */
61 static struct param *param_get_add(struct param_context *ctx, const char *section_name, const char *name)
63 struct param_section *section;
66 section = param_get_section(ctx, section_name);
68 if (section == NULL) {
69 section = talloc_zero(ctx, struct param_section);
73 section->name = talloc_strdup(section, section_name);
74 DLIST_ADD(ctx->sections, section);
77 p = param_section_get(section, name);
79 p = talloc_zero(section, struct param);
83 p->name = talloc_strdup(p, name);
84 DLIST_ADD(section->parameters, p);
90 const char *param_get_string(struct param_context *ctx, const char *section, const char *param)
92 struct param *p = param_get(ctx, section, param);
100 int param_set_string(struct param_context *ctx, const char *section, const char *param, const char *value)
102 struct param *p = param_get_add(ctx, section, param);
107 p->value = talloc_strdup(p, value);
112 const char **param_get_string_list(struct param_context *ctx, const char *section, const char *param,
113 const char *separator)
115 struct param *p = param_get(ctx, section, param);
120 if (separator == NULL)
121 separator = LIST_SEP;
123 if (p->list_value == NULL) {
124 p->list_value = str_list_make(ctx, p->value, separator);
127 return p->list_value;
130 int param_set_string_list(struct param_context *ctx, const char *section, const char *param, const char **list)
132 struct param *p = param_get_add(ctx, section, param);
134 p->value = str_list_join(p, list, ' ');
135 p->list_value = str_list_copy(p, list);
140 int param_get_int(struct param_context *ctx, const char *section, const char *param, int default_v)
142 const char *value = param_get_string(ctx, section, param);
145 return strtol(value, NULL, 0);
150 void param_set_int(struct param_context *ctx, const char *section, const char *param, int value)
152 struct param *p = param_get_add(ctx, section, param);
157 p->value = talloc_asprintf(p, "%d", value);
160 unsigned long param_get_ulong(struct param_context *ctx, const char *section, const char *param, unsigned long default_v)
162 const char *value = param_get_string(ctx, section, param);
165 return strtoul(value, NULL, 0);
170 void param_set_ulong(struct param_context *ctx, const char *section, const char *name, unsigned long value)
172 struct param *p = param_get_add(ctx, section, name);
177 p->value = talloc_asprintf(p, "%lu", value);
180 static bool param_sfunc (const char *name, void *_ctx)
182 struct param_context *ctx = (struct param_context *)_ctx;
183 struct param_section *section = param_get_section(ctx, name);
185 if (section == NULL) {
186 section = talloc_zero(ctx, struct param_section);
190 section->name = talloc_strdup(section, name);
192 DLIST_ADD(ctx->sections, section);
195 /* Make sure this section is on top of the list for param_pfunc */
196 DLIST_PROMOTE(ctx->sections, section);
201 static bool param_pfunc (const char *name, const char *value, void *_ctx)
203 struct param_context *ctx = (struct param_context *)_ctx;
204 struct param *p = param_section_get(ctx->sections, name);
207 p = talloc_zero(ctx->sections, struct param);
211 p->name = talloc_strdup(p, name);
212 p->value = talloc_strdup(p, value);
213 DLIST_ADD(ctx->sections->parameters, p);
214 } else { /* Replace current value */
215 talloc_free(p->value);
216 p->value = talloc_strdup(p, value);
222 struct param_context *param_init(TALLOC_CTX *mem_ctx)
224 return talloc_zero(mem_ctx, struct param_context);
228 int param_read(struct param_context *ctx, const char *fn)
230 ctx->sections = talloc_zero(ctx, struct param_section);
231 if (ctx->sections == NULL)
234 ctx->sections->name = talloc_strdup(ctx->sections, "global");
235 if (!pm_process( fn, param_sfunc, param_pfunc, ctx)) {
242 int param_write(struct param_context *ctx, const char *fn)
245 struct param_section *section;
247 if (fn == NULL || ctx == NULL)
250 file = open(fn, O_WRONLY|O_CREAT, 0755);
255 for (section = ctx->sections; section; section = section->next) {
258 fdprintf(file, "[%s]\n", section->name);
259 for (param = section->parameters; param; param = param->next) {
260 fdprintf(file, "\t%s = %s\n", param->name, param->value);
262 fdprintf(file, "\n");