mirror of
https://github.com/scp-fs2open/fs2open.github.com.git
synced 2026-11-10 12:41:35 -10:00
518 lines
9.7 KiB
C++
518 lines
9.7 KiB
C++
/*
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* Copyright (C) Volition, Inc. 1999. All rights reserved.
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*
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* All source code herein is the property of Volition, Inc. You may not sell
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* or otherwise commercially exploit the source or things you created based on the
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* source.
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*
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*/
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#ifndef WIN32 // Goober5000
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#include <string.h>
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#include "globalincs/pstypes.h"
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#include "osapi/osregistry.h"
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#include "osapi/osapi.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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// ------------------------------------------------------------------------------------------------------------
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// REGISTRY DEFINES/VARS
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//
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char *Osreg_company_name = "Volition";
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char *Osreg_class_name = "Freespace2Class";
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#if defined(FS2_DEMO)
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char *Osreg_app_name = "FreeSpace2Demo";
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char *Osreg_title = "Freespace 2 Demo";
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#ifdef __APPLE__
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char *Osreg_user_dir = "Library/FS2_Open Demo";
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#else
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char *Osreg_user_dir = ".freespace2_demo";
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#endif // __APPLE__
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#define PROFILE_NAME "FreeSpace2Demo.ini"
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#elif defined(OEM_BUILD)
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char *Osreg_app_name = "FreeSpace2OEM";
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char *Osreg_title = "Freespace 2 OEM";
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#define PROFILE_NAME "FreeSpace2OEM.ini"
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#else
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char *Osreg_app_name = "FreeSpace2";
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char *Osreg_title = "Freespace 2";
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#ifdef __APPLE__
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char *Osreg_user_dir = "Library/FS2_Open";
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#else
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char *Osreg_user_dir = ".fs2_open";
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#endif // __APPLE__
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#define PROFILE_NAME "fs2_open.ini"
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#endif
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#define DEFAULT_SECTION "Default"
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typedef struct KeyValue
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{
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char *key;
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char *value;
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struct KeyValue *next;
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} KeyValue;
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typedef struct Section
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{
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char *name;
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struct KeyValue *pairs;
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struct Section *next;
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} Section;
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typedef struct Profile
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{
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struct Section *sections;
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} Profile;
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// ------------------------------------------------------------------------------------------------------------
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// REGISTRY FUNCTIONS
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//
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static char *read_line_from_file(FILE *fp)
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{
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char *buf, *buf_start;
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int buflen, len, eol;
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buflen = 80;
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buf = (char *)vm_malloc(buflen);
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buf_start = buf;
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eol = 0;
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do {
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if (buf == NULL) {
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return NULL;
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}
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if (fgets(buf_start, 80, fp) == NULL) {
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if (buf_start == buf) {
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vm_free(buf);
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return NULL;
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} else {
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*buf_start = 0;
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return buf;
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}
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}
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len = strlen(buf_start);
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if (buf_start[len-1] == '\n') {
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buf_start[len-1] = 0;
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eol = 1;
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} else {
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buflen += 80;
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buf = (char *)vm_realloc(buf, buflen);
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/* be sure to skip over the proper amount of nulls */
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buf_start = buf+(buflen-80)-(buflen/80)+1;
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}
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} while (!eol);
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return buf;
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}
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static char *trim_string(char *str)
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{
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char *ptr;
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int len;
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if (str == NULL)
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return NULL;
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/* kill any comment */
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ptr = strchr(str, ';');
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if (ptr)
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*ptr = 0;
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ptr = strchr(str, '#');
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if (ptr)
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*ptr = 0;
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ptr = str;
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len = strlen(str);
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if (len > 0) {
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ptr += len-1;
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}
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while ((ptr > str) && isspace(*ptr)) {
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ptr--;
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}
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if (*ptr) {
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ptr++;
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*ptr = 0;
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}
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ptr = str;
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while (*ptr && isspace(*ptr)) {
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ptr++;
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}
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return ptr;
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}
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static Profile *profile_read(char *file)
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{
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char fullname[MAX_PATH_LEN];
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FILE *fp = NULL;
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char *str;
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snprintf(fullname, MAX_PATH_LEN, "%s%s%s%s%s", detect_home(), DIR_SEPARATOR_STR, Osreg_user_dir, DIR_SEPARATOR_STR, file);
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fp = fopen(fullname, "rt");
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if (fp == NULL)
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return NULL;
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Profile *profile = (Profile *)vm_malloc(sizeof(Profile));
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profile->sections = NULL;
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Section **sp_ptr = &(profile->sections);
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Section *sp = NULL;
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KeyValue **kvp_ptr = NULL;
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while ((str = read_line_from_file(fp)) != NULL) {
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char *ptr = trim_string(str);
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if (*ptr == '[') {
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ptr++;
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char *pend = strchr(ptr, ']');
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if (pend != NULL) {
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// if (pend[1]) { /* trailing garbage! */ }
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*pend = 0;
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if (*ptr) {
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sp = (Section *)vm_malloc(sizeof(Section));
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sp->next = NULL;
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sp->name = vm_strdup(ptr);
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sp->pairs = NULL;
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*sp_ptr = sp;
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sp_ptr = &(sp->next);
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kvp_ptr = &(sp->pairs);
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} // else { /* null name! */ }
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} // else { /* incomplete section name! */ }
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} else {
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if (*ptr) {
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char *key = ptr;
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char *value = NULL;
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ptr = strchr(ptr, '=');
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if (ptr != NULL) {
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*ptr = 0;
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ptr++;
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value = ptr;
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} // else { /* random garbage! */ }
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if (key && *key && value /* && *value */) {
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if (sp != NULL) {
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KeyValue *kvp = (KeyValue *)vm_malloc(sizeof(KeyValue));
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kvp->key = vm_strdup(key);
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kvp->value = vm_strdup(value);
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kvp->next = NULL;
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*kvp_ptr = kvp;
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kvp_ptr = &(kvp->next);
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} // else { /* key/value with no section! */
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} // else { /* malformed key/value entry! */ }
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} // else it's just a comment or empty string
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}
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vm_free(str);
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}
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fclose(fp);
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return profile;
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}
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static void profile_free(Profile *profile)
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{
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if (profile == NULL)
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return;
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Section *sp = profile->sections;
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while (sp != NULL) {
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Section *st = sp;
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KeyValue *kvp = sp->pairs;
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while (kvp != NULL) {
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KeyValue *kvt = kvp;
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vm_free(kvp->key);
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vm_free(kvp->value);
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kvp = kvp->next;
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vm_free(kvt);
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}
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vm_free(sp->name);
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sp = sp->next;
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vm_free(st);
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}
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vm_free(profile);
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}
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static Profile *profile_update(Profile *profile, char *section, char *key, char *value)
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{
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if (profile == NULL) {
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profile = (Profile *)vm_malloc(sizeof(Profile));
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profile->sections = NULL;
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}
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KeyValue *kvp;
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Section **sp_ptr = &(profile->sections);
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Section *sp = profile->sections;
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while (sp != NULL) {
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if (strcmp(section, sp->name) == 0) {
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KeyValue **kvp_ptr = &(sp->pairs);
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kvp = sp->pairs;
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while (kvp != NULL) {
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if (strcmp(key, kvp->key) == 0) {
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vm_free(kvp->value);
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if (value == NULL) {
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*kvp_ptr = kvp->next;
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vm_free(kvp->key);
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vm_free(kvp);
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} else {
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kvp->value = vm_strdup(value);
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}
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/* all done */
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return profile;
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}
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kvp_ptr = &(kvp->next);
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kvp = kvp->next;
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}
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if (value != NULL) {
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/* key not found */
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kvp = (KeyValue *)vm_malloc(sizeof(KeyValue));
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kvp->next = NULL;
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kvp->key = vm_strdup(key);
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kvp->value = vm_strdup(value);
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}
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*kvp_ptr = kvp;
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/* all done */
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return profile;
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}
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sp_ptr = &(sp->next);
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sp = sp->next;
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}
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/* section not found */
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sp = (Section *)vm_malloc(sizeof(Section));
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sp->next = NULL;
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sp->name = vm_strdup(section);
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kvp = (KeyValue *)vm_malloc(sizeof(KeyValue));
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kvp->next = NULL;
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kvp->key = vm_strdup(key);
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kvp->value = vm_strdup(value);
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sp->pairs = kvp;
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*sp_ptr = sp;
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return profile;
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}
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static char *profile_get_value(Profile *profile, char *section, char *key)
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{
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if (profile == NULL)
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return NULL;
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Section *sp = profile->sections;
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while (sp != NULL) {
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if (strcmp(section, sp->name) == 0) {
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KeyValue *kvp = sp->pairs;
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while (kvp != NULL) {
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if (strcmp(key, kvp->key) == 0) {
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return kvp->value;
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}
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kvp = kvp->next;
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}
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}
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sp = sp->next;
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}
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/* not found */
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return NULL;
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}
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static void profile_save(Profile *profile, char *file)
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{
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FILE *fp = NULL;
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char tmp[MAX_PATH] = "";
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char tmp2[MAX_PATH] = "";
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char fullname[MAX_PATH_LEN];
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if (profile == NULL)
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return;
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snprintf(fullname, MAX_PATH_LEN, "%s%s%s%s%s", detect_home(), DIR_SEPARATOR_STR, Osreg_user_dir, DIR_SEPARATOR_STR, file);
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fp = fopen(fullname, "wt");
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if (fp == NULL)
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return;
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Section *sp = profile->sections;
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while (sp != NULL) {
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sprintf(tmp, NOX("[%s]\n"), sp->name);
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fputs(tmp, fp);
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KeyValue *kvp = sp->pairs;
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while (kvp != NULL) {
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sprintf(tmp2, NOX("%s=%s\n"), kvp->key, kvp->value);
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fputs(tmp2, fp);
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kvp = kvp->next;
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}
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fprintf(fp, "\n");
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sp = sp->next;
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}
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fclose(fp);
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}
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// os registry functions -------------------------------------------------------------
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static char szCompanyName[128];
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static char szAppName[128];
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static char szAppVersion[128];
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int Os_reg_inited = 0;
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// initialize the registry. setup default keys to use
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void os_init_registry_stuff(char *company, char *app, char *version)
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{
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if(company){
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strcpy( szCompanyName, company );
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} else {
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strcpy( szCompanyName, Osreg_company_name);
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}
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if(app){
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strcpy( szAppName, app );
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} else {
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strcpy( szAppName, Osreg_app_name);
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}
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if(version){
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strcpy( szAppVersion, version);
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} else {
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strcpy( szAppVersion, "1.0");
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}
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Os_reg_inited = 1;
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}
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static char tmp_string_data[1024];
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char *os_config_read_string(char *section, char *name, char *default_value)
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{
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nprintf(( "Registry", "os_config_read_string(): section = \"%s\", name = \"%s\", default value: \"%s\"\n",
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(section) ? section : DEFAULT_SECTION, name, (default_value) ? default_value : NOX("NULL") ));
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Profile *p = profile_read(PROFILE_NAME);
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if (section == NULL)
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section = DEFAULT_SECTION;
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char *ptr = profile_get_value(p, section, name);
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if (ptr != NULL) {
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strncpy(tmp_string_data, ptr, 1023);
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default_value = tmp_string_data;
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}
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profile_free(p);
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return default_value;
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}
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unsigned int os_config_read_uint(char *section, char *name, unsigned int default_value)
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{
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Profile *p = profile_read(PROFILE_NAME);
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if (section == NULL)
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section = DEFAULT_SECTION;
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char *ptr = profile_get_value(p, section, name);
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if (ptr != NULL) {
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default_value = atoi(ptr);
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}
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profile_free(p);
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return default_value;
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}
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void os_config_write_string(char *section, char *name, char *value)
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{
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Profile *p = profile_read(PROFILE_NAME);
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if (section == NULL)
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section = DEFAULT_SECTION;
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p = profile_update(p, section, name, value);
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profile_save(p, PROFILE_NAME);
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profile_free(p);
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}
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void os_config_write_uint(char *section, char *name, unsigned int value)
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{
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static char buf[21];
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snprintf(buf, 20, "%u", value);
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Profile *p = profile_read(PROFILE_NAME);
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if (section == NULL)
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section = DEFAULT_SECTION;
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p = profile_update(p, section, name, buf);
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profile_save(p, PROFILE_NAME);
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profile_free(p);
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}
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#endif // Goober5000 - #ifndef WIN32
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