m_config.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 /// \file
  20 /// \ingroup Config
  21
  22 #include "config.h"
  23
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26 #include <errno.h>
  27 #include <string.h>
  28 #include <assert.h>
  29 #include <stdbool.h>
  30
  31 #include "talloc.h"
  32
  33 #include "m_config.h"
  34 #include "m_option.h"
  35 #include "mp_msg.h"
  36
  37 #define MAX_PROFILE_DEPTH 20
  38
  39 static int parse_include(struct m_config *config, struct bstr param, bool set)
  40 {
  41     if (param.len == 0)
  42         return M_OPT_MISSING_PARAM;
  43     if (!set)
  44         return 1;
  45     char *filename = bstrdup0(NULL, param);
  46     config->includefunc(config, filename);
  47     talloc_free(filename);
  48     return 1;
  49 }
  50
  51 static int parse_profile(struct m_config *config, const struct m_option *opt,
  52                          struct bstr name, struct bstr param, bool set)
  53 {
  54     if (!bstrcmp0(param, "help")) {
  55         struct m_profile *p;
  56         if (!config->profiles) {
  57             mp_tmsg(MSGT_CFGPARSER, MSGL_INFO,
  58                     "No profiles have been defined.\n");
  59             return M_OPT_EXIT - 1;
  60         }
  61         mp_tmsg(MSGT_CFGPARSER, MSGL_INFO, "Available profiles:\n");
  62         for (p = config->profiles; p; p = p->next)
  63             mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\t%s\t%s\n", p->name,
  64                    p->desc ? p->desc : "");
  65         mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\n");
  66         return M_OPT_EXIT - 1;
  67     }
  68
  69     char **list = NULL;
  70     int r = m_option_type_string_list.parse(opt, name, param, false, &list);
  71     if (r < 0)
  72         return r;
  73     if (!list || !list[0])
  74         return M_OPT_INVALID;
  75     for (int i = 0; list[i]; i++) {
  76         struct m_profile *p = m_config_get_profile(config, list[i]);
  77         if (!p) {
  78             mp_tmsg(MSGT_CFGPARSER, MSGL_WARN, "Unknown profile '%s'.\n",
  79                     list[i]);
  80             r = M_OPT_INVALID;
  81         } else if (set)
  82             m_config_set_profile(config, p);
  83     }
  84     m_option_free(opt, &list);
  85     return r;
  86 }
  87
  88 static int show_profile(struct m_option *opt, char *name, char *param)
  89 {
  90     struct m_config *config = opt->priv;
  91     struct m_profile *p;
  92     int i, j;
  93     if (!param)
  94         return M_OPT_MISSING_PARAM;
  95     if (!(p = m_config_get_profile(config, param))) {
  96         mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "Unknown profile '%s'.\n", param);
  97         return M_OPT_EXIT - 1;
  98     }
  99     if (!config->profile_depth)
 100         mp_tmsg(MSGT_CFGPARSER, MSGL_INFO, "Profile %s: %s\n", param,
 101                 p->desc ? p->desc : "");
 102     config->profile_depth++;
 103     for (i = 0; i < p->num_opts; i++) {
 104         char spc[config->profile_depth + 1];
 105         for (j = 0; j < config->profile_depth; j++)
 106             spc[j] = ' ';
 107         spc[config->profile_depth] = '\0';
 108
 109         mp_msg(MSGT_CFGPARSER, MSGL_INFO, "%s%s=%s\n", spc,
 110                p->opts[2 * i], p->opts[2 * i + 1]);
 111
 112         if (config->profile_depth < MAX_PROFILE_DEPTH
 113             && !strcmp(p->opts[2*i], "profile")) {
 114             char *e, *list = p->opts[2 * i + 1];
 115             while ((e = strchr(list, ','))) {
 116                 int l = e - list;
 117                 char tmp[l+1];
 118                 if (!l)
 119                     continue;
 120                 memcpy(tmp, list, l);
 121                 tmp[l] = '\0';
 122                 show_profile(opt, name, tmp);
 123                 list = e + 1;
 124             }
 125             if (list[0] != '\0')
 126                 show_profile(opt, name, list);
 127         }
 128     }
 129     config->profile_depth--;
 130     if (!config->profile_depth)
 131         mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\n");
 132     return M_OPT_EXIT - 1;
 133 }
 134
 135 static int list_options(struct m_option *opt, char *name, char *param)
 136 {
 137     struct m_config *config = opt->priv;
 138     m_config_print_option_list(config);
 139     return M_OPT_EXIT;
 140 }
 141
 142 static void m_option_save(const struct m_config *config,
 143                           const struct m_option *opt, void *dst)
 144 {
 145     if (opt->type->copy) {
 146         const void *src = m_option_get_ptr(opt, config->optstruct);
 147         opt->type->copy(opt, dst, src);
 148     }
 149 }
 150
 151 static void m_option_set(void *optstruct,
 152                          const struct m_option *opt, const void *src)
 153 {
 154     if (opt->type->copy) {
 155         void *dst = m_option_get_ptr(opt, optstruct);
 156         opt->type->copy(opt, dst, src);
 157     }
 158 }
 159
 160
 161
 162 static void m_config_add_option(struct m_config *config,
 163                                 const struct m_option *arg,
 164                                 const char *prefix, char *disabled_feature);
 165
 166 struct m_config *m_config_new(void *optstruct,
 167                               int includefunc(struct m_config *conf,
 168                                               char *filename))
 169 {
 170     struct m_config *config;
 171     static const struct m_option ref_opts[] = {
 172         { "profile", NULL, CONF_TYPE_STRING_LIST, CONF_NOSAVE, 0, 0, NULL },
 173         { "show-profile", show_profile, CONF_TYPE_PRINT_FUNC, CONF_NOCFG },
 174         { "list-options", list_options, CONF_TYPE_PRINT_FUNC, CONF_NOCFG },
 175         { NULL }
 176     };
 177
 178     config = talloc_zero(NULL, struct m_config);
 179     config->full = true;
 180     config->lvl = 1; // 0 Is the defaults
 181     struct m_option *self_opts = talloc_memdup(config, ref_opts,
 182                                                sizeof(ref_opts));
 183     for (int i = 1; self_opts[i].name; i++)
 184         self_opts[i].priv = config;
 185     m_config_register_options(config, self_opts);
 186     if (includefunc) {
 187         struct m_option *p = talloc_ptrtype(config, p);
 188         *p = (struct m_option){
 189             "include", NULL, CONF_TYPE_STRING, CONF_NOSAVE,
 190         };
 191         m_config_add_option(config, p, NULL, NULL);
 192         config->includefunc = includefunc;
 193     }
 194     config->optstruct = optstruct;
 195
 196     return config;
 197 }
 198
 199 struct m_config *m_config_simple(const struct m_option *options)
 200 {
 201     struct m_config *config = talloc_zero(NULL, struct m_config);
 202     m_config_register_options(config, options);
 203     return config;
 204 }
 205
 206 void m_config_free(struct m_config *config)
 207 {
 208     assert(config->full);   // use talloc_free() for simple
 209     struct m_config_option *copt;
 210     for (copt = config->opts; copt; copt = copt->next) {
 211         if (copt->flags & M_CFG_OPT_ALIAS)
 212             continue;
 213         if (copt->opt->type->flags & M_OPT_TYPE_DYNAMIC) {
 214             void *ptr = m_option_get_ptr(copt->opt, config->optstruct);
 215             if (ptr)
 216                 m_option_free(copt->opt, ptr);
 217         }
 218         struct m_config_save_slot *sl;
 219         for (sl = copt->slots; sl; sl = sl->prev)
 220             m_option_free(copt->opt, sl->data);
 221     }
 222     talloc_free(config);
 223 }
 224
 225 void m_config_initialize(struct m_config *config, void *optstruct)
 226 {
 227     struct m_config_option *copt;
 228     for (copt = config->opts; copt; copt = copt->next) {
 229         const struct m_option *opt = copt->opt;
 230         if (!opt->defval)
 231             continue;
 232         m_option_set(optstruct, opt, opt->defval);
 233     }
 234 }
 235
 236 void m_config_push(struct m_config *config)
 237 {
 238     struct m_config_option *co;
 239     struct m_config_save_slot *slot;
 240
 241     assert(config != NULL);
 242     assert(config->lvl > 0);
 243
 244     config->lvl++;
 245
 246     for (co = config->opts; co; co = co->next) {
 247         if (co->opt->type->flags & M_OPT_TYPE_HAS_CHILD)
 248             continue;
 249         if (co->opt->flags & (M_OPT_GLOBAL | M_OPT_NOSAVE))
 250             continue;
 251         if (co->flags & M_CFG_OPT_ALIAS)
 252             continue;
 253
 254         // Update the current status
 255         m_option_save(config, co->opt, co->slots->data);
 256
 257         // Allocate a new slot
 258         slot = talloc_zero_size(co, sizeof(struct m_config_save_slot) +
 259                                 co->opt->type->size);
 260         slot->lvl = config->lvl;
 261         slot->prev = co->slots;
 262         co->slots = slot;
 263         m_option_copy(co->opt, co->slots->data, co->slots->prev->data);
 264         // Reset our set flag
 265         co->flags &= ~M_CFG_OPT_SET;
 266     }
 267
 268     mp_msg(MSGT_CFGPARSER, MSGL_DBG2,
 269            "Config pushed level is now %d\n", config->lvl);
 270 }
 271
 272 void m_config_pop(struct m_config *config)
 273 {
 274     struct m_config_option *co;
 275     struct m_config_save_slot *slot;
 276
 277     assert(config != NULL);
 278     assert(config->lvl > 1);
 279
 280     for (co = config->opts; co; co = co->next) {
 281         int pop = 0;
 282         if (co->opt->type->flags & M_OPT_TYPE_HAS_CHILD)
 283             continue;
 284         if (co->opt->flags & (M_OPT_GLOBAL | M_OPT_NOSAVE))
 285             continue;
 286         if (co->flags & M_CFG_OPT_ALIAS)
 287             continue;
 288         if (co->slots->lvl > config->lvl)
 289             mp_msg(MSGT_CFGPARSER, MSGL_WARN,
 290                    "Save slot found from lvl %d is too old: %d !!!\n",
 291                    config->lvl, co->slots->lvl);
 292
 293         while (co->slots->lvl >= config->lvl) {
 294             m_option_free(co->opt, co->slots->data);
 295             slot = co->slots;
 296             co->slots = slot->prev;
 297             talloc_free(slot);
 298             pop++;
 299         }
 300         if (pop) // We removed some ctx -> set the previous value
 301             m_option_set(config->optstruct, co->opt, co->slots->data);
 302     }
 303
 304     config->lvl--;
 305     mp_msg(MSGT_CFGPARSER, MSGL_DBG2, "Config poped level=%d\n", config->lvl);
 306 }
 307
 308 static void add_options(struct m_config *config, const struct m_option *defs,
 309                         const char *prefix, char *disabled_feature)
 310 {
 311     char *dis = disabled_feature;
 312     const char marker[] = "conditional functionality: ";
 313     for (int i = 0; defs[i].name; i++) {
 314         if (!strncmp(defs[i].name, marker, strlen(marker))) {
 315             // If a subconfig entry itself is disabled, everything
 316             // under it is already disabled for the same reason.
 317             if (!disabled_feature) {
 318                 if (!strcmp(defs[i].name + strlen(marker), "1"))
 319                     dis = NULL;
 320                 else
 321                     dis = defs[i].p;
 322             }
 323             continue;
 324         }
 325         m_config_add_option(config, defs + i, prefix, dis);
 326     }
 327 }
 328
 329 static void m_config_add_option(struct m_config *config,
 330                                 const struct m_option *arg, const char *prefix,
 331                                 char *disabled_feature)
 332 {
 333     struct m_config_option *co;
 334     struct m_config_save_slot *sl;
 335
 336     assert(config != NULL);
 337     assert(config->lvl > 0 || !config->full);
 338     assert(arg != NULL);
 339
 340     // Allocate a new entry for this option
 341     co = talloc_zero_size(config,
 342                           sizeof(struct m_config_option) + arg->type->size);
 343     co->opt = arg;
 344     co->disabled_feature = disabled_feature;
 345
 346     // Fill in the full name
 347     if (prefix && *prefix)
 348         co->name = talloc_asprintf(co, "%s:%s", prefix, arg->name);
 349     else
 350         co->name = (char *)arg->name;
 351
 352     // Option with children -> add them
 353     if (arg->type->flags & M_OPT_TYPE_HAS_CHILD) {
 354         add_options(config, arg->p, co->name, disabled_feature);
 355     } else {
 356         struct m_config_option *i;
 357         // Check if there is already an option pointing to this address
 358         if (arg->p || arg->new && arg->offset >= 0) {
 359             for (i = config->opts; i; i = i->next) {
 360                 if (arg->new ? (i->opt->new && i->opt->offset == arg->offset)
 361                     : (!i->opt->new && i->opt->p == arg->p)) {
 362                     // So we don't save the same vars more than 1 time
 363                     co->slots = i->slots;
 364                     co->flags |= M_CFG_OPT_ALIAS;
 365                     break;
 366                 }
 367             }
 368         }
 369         if (config->full && !(co->flags & M_CFG_OPT_ALIAS)) {
 370             // Allocate a slot for the defaults
 371             sl = talloc_zero_size(co, sizeof(struct m_config_save_slot) +
 372                                   arg->type->size);
 373             m_option_save(config, arg, sl->data);
 374             // Hack to avoid too much trouble with dynamically allocated data:
 375             // We replace original default and always use a dynamic version
 376             if (!arg->new && (arg->type->flags & M_OPT_TYPE_DYNAMIC)) {
 377                 char **hackptr = m_option_get_ptr(arg, config->optstruct);
 378                 if (hackptr && *hackptr) {
 379                     *hackptr = NULL;
 380                     m_option_set(config->optstruct, arg, sl->data);
 381                 }
 382             }
 383             sl->lvl = 0;
 384             sl->prev = NULL;
 385             co->slots = talloc_zero_size(co, sizeof(struct m_config_save_slot) +
 386                                          arg->type->size);
 387             co->slots->prev = sl;
 388             co->slots->lvl = config->lvl;
 389             m_option_copy(co->opt, co->slots->data, sl->data);
 390         }
 391     }
 392     co->next = config->opts;
 393     config->opts = co;
 394 }
 395
 396 int m_config_register_options(struct m_config *config,
 397                               const struct m_option *args)
 398 {
 399     assert(config != NULL);
 400     assert(config->lvl > 0 || !config->full);
 401     assert(args != NULL);
 402
 403     add_options(config, args, NULL, NULL);
 404
 405     return 1;
 406 }
 407
 408 static struct m_config_option *m_config_get_co(const struct m_config *config,
 409                                                struct bstr name)
 410 {
 411     struct m_config_option *co;
 412
 413     for (co = config->opts; co; co = co->next) {
 414         struct bstr coname = bstr(co->name);
 415         if ((co->opt->type->flags & M_OPT_TYPE_ALLOW_WILDCARD)
 416                 && bstr_endswith0(coname, "*")) {
 417             coname.len--;
 418             if (bstrcasecmp(bstr_splice(name, 0, coname.len), coname) == 0)
 419                 return co;
 420         } else if (bstrcasecmp(coname, name) == 0)
 421             return co;
 422     }
 423     return NULL;
 424 }
 425
 426 static int parse_subopts(struct m_config *config, void *optstruct, char *name,
 427                          char *prefix, struct bstr param, bool set);
 428
 429 static int m_config_parse_option(struct m_config *config, void *optstruct,
 430                                  struct bstr name, struct bstr param,
 431                                  bool ambiguous_param, bool set)
 432 {
 433     assert(config != NULL);
 434     assert(config->lvl > 0 || !config->full);
 435     assert(name.len != 0);
 436
 437     struct m_config_option *co = m_config_get_co(config, name);
 438     if (!co)
 439         return M_OPT_UNKNOWN;
 440     if (co->disabled_feature) {
 441         mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
 442                 "Option \"%.*s\" is not available in this version of mplayer2, "
 443                 "because it has been compiled with feature \"%s\" disabled.\n",
 444                 BSTR_P(name), co->disabled_feature);
 445         return M_OPT_UNKNOWN;
 446     }
 447
 448     // This is the only mandatory function
 449     assert(co->opt->type->parse);
 450
 451     // Check if this option isn't forbidden in the current mode
 452     if ((config->mode == M_CONFIG_FILE) && (co->opt->flags & M_OPT_NOCFG)) {
 453         mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
 454                 "The %.*s option can't be used in a config file.\n",
 455                 BSTR_P(name));
 456         return M_OPT_INVALID;
 457     }
 458     if ((config->mode == M_COMMAND_LINE) && (co->opt->flags & M_OPT_NOCMD)) {
 459         mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
 460                 "The %.*s option can't be used on the command line.\n",
 461                 BSTR_P(name));
 462         return M_OPT_INVALID;
 463     }
 464     // During command line preparse set only pre-parse options
 465     // Otherwise only set pre-parse option if they were not already set.
 466     if (((config->mode == M_COMMAND_LINE_PRE_PARSE) &&
 467          !(co->opt->flags & M_OPT_PRE_PARSE)) ||
 468         ((config->mode != M_COMMAND_LINE_PRE_PARSE) &&
 469          (co->opt->flags & M_OPT_PRE_PARSE) && (co->flags & M_CFG_OPT_SET)))
 470         set = 0;
 471
 472     if (config->includefunc && !bstrcmp0(name, "include")) {
 473         return parse_include(config, param, set);
 474     } else if (!bstrcmp0(name, "profile"))
 475         return parse_profile(config, co->opt, name, param, set);
 476
 477     // Option with children are a bit different to parse
 478     if (co->opt->type->flags & M_OPT_TYPE_HAS_CHILD) {
 479         char prefix[110];
 480         assert(strlen(co->name) < 100);
 481         sprintf(prefix, "%s:", co->name);
 482         return parse_subopts(config, optstruct, co->name, prefix, param, set);
 483     }
 484
 485     void *dst = set ? m_option_get_ptr(co->opt, optstruct) : NULL;
 486     int r = m_option_parse(co->opt, name, param, ambiguous_param, dst);
 487     // Parsing failed ?
 488     if (r < 0)
 489         return r;
 490     else if (set)
 491         co->flags |= M_CFG_OPT_SET;
 492
 493     return r;
 494 }
 495
 496 static int parse_subopts(struct m_config *config, void *optstruct, char *name,
 497                          char *prefix, struct bstr param, bool set)
 498 {
 499     char **lst = NULL;
 500     // Split the argument into child options
 501     int r = m_option_type_subconfig.parse(NULL, bstr(""), param, false, &lst);
 502     if (r < 0)
 503         return r;
 504     // Parse the child options
 505     for (int i = 0; lst && lst[2 * i]; i++) {
 506         // Build the full name
 507         char n[110];
 508         if (snprintf(n, 110, "%s%s", prefix, lst[2 * i]) > 100)
 509             abort();
 510         int sr = m_config_parse_option(config, optstruct, bstr(n),
 511                                        bstr(lst[2 * i + 1]), false, set);
 512         if (sr < 0) {
 513             if (sr == M_OPT_UNKNOWN) {
 514                 mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
 515                         "Error: option '%s' has no suboption '%s'.\n",
 516                         name, lst[2 * i]);
 517                 r = M_OPT_INVALID;
 518             } else if (sr == M_OPT_MISSING_PARAM) {
 519                 mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
 520                         "Error: suboption '%s' of '%s' must have "
 521                         "a parameter!\n", lst[2 * i], name);
 522                 r = M_OPT_INVALID;
 523             } else
 524                 r = sr;
 525             break;
 526         }
 527     }
 528     talloc_free(lst);
 529     return r;
 530 }
 531
 532 int m_config_set_option(struct m_config *config, struct bstr name,
 533                                  struct bstr param, bool ambiguous_param)
 534 {
 535     mp_msg(MSGT_CFGPARSER, MSGL_DBG2, "Setting %.*s=%.*s\n", BSTR_P(name),
 536            BSTR_P(param));
 537     return m_config_parse_option(config, config->optstruct, name, param,
 538                                  ambiguous_param, true);
 539 }
 540
 541 int m_config_check_option(struct m_config *config, struct bstr name,
 542                           struct bstr param, bool ambiguous_param)
 543 {
 544     int r;
 545     mp_msg(MSGT_CFGPARSER, MSGL_DBG2, "Checking %.*s=%.*s\n", BSTR_P(name),
 546            BSTR_P(param));
 547     r = m_config_parse_option(config, NULL, name, param, ambiguous_param, 0);
 548     if (r == M_OPT_MISSING_PARAM) {
 549         mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
 550                 "Error: option '%.*s' must have a parameter!\n", BSTR_P(name));
 551         return M_OPT_INVALID;
 552     }
 553     return r;
 554 }
 555
 556 int m_config_parse_suboptions(struct m_config *config, void *optstruct,
 557                               char *name, char *subopts)
 558 {
 559     if (!subopts || !*subopts)
 560         return 0;
 561     return parse_subopts(config, optstruct, name, "", bstr(subopts), true);
 562 }
 563
 564
 565 const struct m_option *m_config_get_option(const struct m_config *config,
 566                                            struct bstr name)
 567 {
 568     struct m_config_option *co;
 569
 570     assert(config != NULL);
 571     assert(config->lvl > 0);
 572
 573     co = m_config_get_co(config, name);
 574     if (co)
 575         return co->opt;
 576     else
 577         return NULL;
 578 }
 579
 580 void m_config_print_option_list(const struct m_config *config)
 581 {
 582     char min[50], max[50];
 583     struct m_config_option *co;
 584     int count = 0;
 585
 586     if (!config->opts)
 587         return;
 588
 589     mp_tmsg(MSGT_CFGPARSER, MSGL_INFO,
 590             "\n Name                 Type            Min        Max      Global  CL    Cfg\n\n");
 591     for (co = config->opts; co; co = co->next) {
 592         const struct m_option *opt = co->opt;
 593         if (opt->type->flags & M_OPT_TYPE_HAS_CHILD)
 594             continue;
 595         if (opt->flags & M_OPT_MIN)
 596             sprintf(min, "%-8.0f", opt->min);
 597         else
 598             strcpy(min, "No");
 599         if (opt->flags & M_OPT_MAX)
 600             sprintf(max, "%-8.0f", opt->max);
 601         else
 602             strcpy(max, "No");
 603         mp_msg(MSGT_CFGPARSER, MSGL_INFO,
 604              " %-20.20s %-15.15s %-10.10s %-10.10s %-3.3s   %-3.3s   %-3.3s\n",
 605                co->name,
 606                co->opt->type->name,
 607                min,
 608                max,
 609                opt->flags & CONF_GLOBAL ? "Yes" : "No",
 610                opt->flags & CONF_NOCMD ? "No" : "Yes",
 611                opt->flags & CONF_NOCFG ? "No" : "Yes");
 612         count++;
 613     }
 614     mp_tmsg(MSGT_CFGPARSER, MSGL_INFO, "\nTotal: %d options\n", count);
 615 }
 616
 617 struct m_profile *m_config_get_profile(const struct m_config *config,
 618                                        char *name)
 619 {
 620     struct m_profile *p;
 621     for (p = config->profiles; p; p = p->next)
 622         if (!strcmp(p->name, name))
 623             return p;
 624     return NULL;
 625 }
 626
 627 struct m_profile *m_config_add_profile(struct m_config *config, char *name)
 628 {
 629     struct m_profile *p = m_config_get_profile(config, name);
 630     if (p)
 631         return p;
 632     p = talloc_zero(config, struct m_profile);
 633     p->name = talloc_strdup(p, name);
 634     p->next = config->profiles;
 635     config->profiles = p;
 636     return p;
 637 }
 638
 639 void m_profile_set_desc(struct m_profile *p, char *desc)
 640 {
 641     talloc_free(p->desc);
 642     p->desc = talloc_strdup(p, desc);
 643 }
 644
 645 int m_config_set_profile_option(struct m_config *config, struct m_profile *p,
 646                                 char *name, char *val)
 647 {
 648     int i = m_config_check_option0(config, name, val, false);
 649     if (i < 0)
 650         return i;
 651     p->opts = talloc_realloc(p, p->opts, char *, 2 * (p->num_opts + 2));
 652     p->opts[p->num_opts * 2] = talloc_strdup(p, name);
 653     p->opts[p->num_opts * 2 + 1] = talloc_strdup(p, val);
 654     p->num_opts++;
 655     p->opts[p->num_opts * 2] = p->opts[p->num_opts * 2 + 1] = NULL;
 656     return 1;
 657 }
 658
 659 void m_config_set_profile(struct m_config *config, struct m_profile *p)
 660 {
 661     int i;
 662     if (config->profile_depth > MAX_PROFILE_DEPTH) {
 663         mp_tmsg(MSGT_CFGPARSER, MSGL_WARN,
 664                 "WARNING: Profile inclusion too deep.\n");
 665         return;
 666     }
 667     int prev_mode = config->mode;
 668     config->mode = M_CONFIG_FILE;
 669     config->profile_depth++;
 670     for (i = 0; i < p->num_opts; i++)
 671         m_config_set_option0(config, p->opts[2 * i], p->opts[2 * i + 1], false);
 672     config->profile_depth--;
 673     config->mode = prev_mode;
 674 }