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@ -344,30 +344,30 @@ void FioFCloseFile(FILE *f)
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fclose(f);
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}
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char *FioGetFullPath(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir, const char *filename)
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char *FioGetFullPath(char *buf, const char *last, Searchpath sp, Subdirectory subdir, const char *filename)
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{
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assert(subdir < NUM_SUBDIRS);
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assert(sp < NUM_SEARCHPATHS);
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snprintf(buf, buflen, "%s%s%s", _searchpaths[sp], _subdirs[subdir], filename);
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seprintf(buf, last, "%s%s%s", _searchpaths[sp], _subdirs[subdir], filename);
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return buf;
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}
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/**
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* Find a path to the filename in one of the search directories.
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* @param buf [out] Destination buffer for the path.
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* @param buflen Length of the destination buffer.
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* @param last End of the destination buffer.
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* @param subdir Subdirectory to try.
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* @param filename Filename to look for.
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* @return \a buf containing the path if the path was found, else \c NULL.
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*/
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char *FioFindFullPath(char *buf, size_t buflen, Subdirectory subdir, const char *filename)
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char *FioFindFullPath(char *buf, const char *last, Subdirectory subdir, const char *filename)
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{
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Searchpath sp;
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assert(subdir < NUM_SUBDIRS);
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FOR_ALL_SEARCHPATHS(sp) {
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FioGetFullPath(buf, buflen, sp, subdir, filename);
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FioGetFullPath(buf, last, sp, subdir, filename);
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if (FileExists(buf)) return buf;
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#if !defined(WIN32)
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/* Be, as opening files, aware that sometimes the filename
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@ -380,27 +380,27 @@ char *FioFindFullPath(char *buf, size_t buflen, Subdirectory subdir, const char
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return NULL;
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}
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char *FioAppendDirectory(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir)
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char *FioAppendDirectory(char *buf, const char *last, Searchpath sp, Subdirectory subdir)
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{
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assert(subdir < NUM_SUBDIRS);
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assert(sp < NUM_SEARCHPATHS);
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snprintf(buf, buflen, "%s%s", _searchpaths[sp], _subdirs[subdir]);
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seprintf(buf, last, "%s%s", _searchpaths[sp], _subdirs[subdir]);
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return buf;
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}
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char *FioGetDirectory(char *buf, size_t buflen, Subdirectory subdir)
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char *FioGetDirectory(char *buf, const char *last, Subdirectory subdir)
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{
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Searchpath sp;
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/* Find and return the first valid directory */
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FOR_ALL_SEARCHPATHS(sp) {
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char *ret = FioAppendDirectory(buf, buflen, sp, subdir);
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char *ret = FioAppendDirectory(buf, last, sp, subdir);
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if (FileExists(buf)) return ret;
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}
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/* Could not find the directory, fall back to a base path */
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strecpy(buf, _personal_dir, &buf[buflen - 1]);
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strecpy(buf, _personal_dir, last);
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return buf;
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}
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@ -421,7 +421,7 @@ static FILE *FioFOpenFileSp(const char *filename, const char *mode, Searchpath s
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if (subdir == NO_DIRECTORY) {
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strecpy(buf, filename, lastof(buf));
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} else {
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snprintf(buf, lengthof(buf), "%s%s%s", _searchpaths[sp], _subdirs[subdir], filename);
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seprintf(buf, lastof(buf), "%s%s%s", _searchpaths[sp], _subdirs[subdir], filename);
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}
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#if defined(WIN32)
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@ -566,20 +566,19 @@ static void FioCreateDirectory(const char *name)
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/**
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* Appends, if necessary, the path separator character to the end of the string.
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* It does not add the path separator to zero-sized strings.
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* @param buf string to append the separator to
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* @param buflen the length of \a buf.
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* @param buf string to append the separator to
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* @param last the last element of \a buf.
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* @return true iff the operation succeeded
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*/
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bool AppendPathSeparator(char *buf, size_t buflen)
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bool AppendPathSeparator(char *buf, const char *last)
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{
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size_t s = strlen(buf);
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/* Length of string + path separator + '\0' */
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if (s != 0 && buf[s - 1] != PATHSEPCHAR) {
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if (s + 2 >= buflen) return false;
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if (&buf[s] >= last) return false;
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buf[s] = PATHSEPCHAR;
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buf[s + 1] = '\0';
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seprintf(buf + s, last, "%c", PATHSEPCHAR);
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}
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return true;
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@ -603,10 +602,10 @@ char *BuildWithFullPath(const char *dir)
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/* Add absolute path */
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if (s == NULL || dest != s) {
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if (getcwd(dest, MAX_PATH) == NULL) *dest = '\0';
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AppendPathSeparator(dest, MAX_PATH);
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AppendPathSeparator(dest, last);
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strecat(dest, dir, last);
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}
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AppendPathSeparator(dest, MAX_PATH);
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AppendPathSeparator(dest, last);
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return dest;
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}
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@ -1073,8 +1072,8 @@ bool DoScanWorkingDirectory()
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if (_searchpaths[SP_PERSONAL_DIR] == NULL) return true;
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char tmp[MAX_PATH];
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snprintf(tmp, lengthof(tmp), "%s%s", _searchpaths[SP_WORKING_DIR], PERSONAL_DIR);
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AppendPathSeparator(tmp, MAX_PATH);
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seprintf(tmp, lastof(tmp), "%s%s", _searchpaths[SP_WORKING_DIR], PERSONAL_DIR);
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AppendPathSeparator(tmp, lastof(tmp));
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return strcmp(tmp, _searchpaths[SP_PERSONAL_DIR]) != 0;
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}
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@ -1087,11 +1086,11 @@ void DetermineBasePaths(const char *exe)
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char tmp[MAX_PATH];
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#if defined(WITH_XDG_BASEDIR) && defined(WITH_PERSONAL_DIR)
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const char *xdg_data_home = xdgDataHome(NULL);
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snprintf(tmp, MAX_PATH, "%s" PATHSEP "%s", xdg_data_home,
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seprintf(tmp, lastof(tmp), "%s" PATHSEP "%s", xdg_data_home,
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PERSONAL_DIR[0] == '.' ? &PERSONAL_DIR[1] : PERSONAL_DIR);
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free(xdg_data_home);
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AppendPathSeparator(tmp, MAX_PATH);
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AppendPathSeparator(tmp, lastof(tmp));
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_searchpaths[SP_PERSONAL_DIR_XDG] = strdup(tmp);
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#endif
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#if defined(__MORPHOS__) || defined(__AMIGA__) || defined(DOS) || defined(OS2) || !defined(WITH_PERSONAL_DIR)
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@ -1119,8 +1118,8 @@ void DetermineBasePaths(const char *exe)
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if (homedir != NULL) {
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ValidateString(homedir);
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snprintf(tmp, MAX_PATH, "%s" PATHSEP "%s", homedir, PERSONAL_DIR);
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AppendPathSeparator(tmp, MAX_PATH);
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seprintf(tmp, lastof(tmp), "%s" PATHSEP "%s", homedir, PERSONAL_DIR);
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AppendPathSeparator(tmp, lastof(tmp));
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_searchpaths[SP_PERSONAL_DIR] = strdup(tmp);
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free(homedir);
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@ -1130,8 +1129,8 @@ void DetermineBasePaths(const char *exe)
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#endif
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#if defined(WITH_SHARED_DIR)
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snprintf(tmp, MAX_PATH, "%s", SHARED_DIR);
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AppendPathSeparator(tmp, MAX_PATH);
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seprintf(tmp, lastof(tmp), "%s", SHARED_DIR);
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AppendPathSeparator(tmp, lastof(tmp));
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_searchpaths[SP_SHARED_DIR] = strdup(tmp);
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#else
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_searchpaths[SP_SHARED_DIR] = NULL;
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@ -1141,7 +1140,7 @@ void DetermineBasePaths(const char *exe)
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_searchpaths[SP_WORKING_DIR] = NULL;
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#else
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if (getcwd(tmp, MAX_PATH) == NULL) *tmp = '\0';
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AppendPathSeparator(tmp, MAX_PATH);
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AppendPathSeparator(tmp, lastof(tmp));
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_searchpaths[SP_WORKING_DIR] = strdup(tmp);
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#endif
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@ -1150,7 +1149,7 @@ void DetermineBasePaths(const char *exe)
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/* Change the working directory to that one of the executable */
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if (ChangeWorkingDirectoryToExecutable(exe)) {
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if (getcwd(tmp, MAX_PATH) == NULL) *tmp = '\0';
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AppendPathSeparator(tmp, MAX_PATH);
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AppendPathSeparator(tmp, lastof(tmp));
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_searchpaths[SP_BINARY_DIR] = strdup(tmp);
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} else {
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_searchpaths[SP_BINARY_DIR] = NULL;
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@ -1166,8 +1165,8 @@ void DetermineBasePaths(const char *exe)
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#if defined(__MORPHOS__) || defined(__AMIGA__) || defined(DOS) || defined(OS2)
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_searchpaths[SP_INSTALLATION_DIR] = NULL;
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#else
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snprintf(tmp, MAX_PATH, "%s", GLOBAL_DATA_DIR);
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AppendPathSeparator(tmp, MAX_PATH);
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seprintf(tmp, lastof(tmp), "%s", GLOBAL_DATA_DIR);
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AppendPathSeparator(tmp, lastof(tmp));
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_searchpaths[SP_INSTALLATION_DIR] = strdup(tmp);
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#endif
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#ifdef WITH_COCOA
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@ -1195,11 +1194,11 @@ void DeterminePaths(const char *exe)
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char config_home[MAX_PATH];
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const char *xdg_config_home = xdgConfigHome(NULL);
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snprintf(config_home, MAX_PATH, "%s" PATHSEP "%s", xdg_config_home,
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seprintf(config_home, lastof(config_home), "%s" PATHSEP "%s", xdg_config_home,
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PERSONAL_DIR[0] == '.' ? &PERSONAL_DIR[1] : PERSONAL_DIR);
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free(xdg_config_home);
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AppendPathSeparator(config_home, MAX_PATH);
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AppendPathSeparator(config_home, lastof(config_home));
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#endif
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Searchpath sp;
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@ -1219,7 +1218,7 @@ void DeterminePaths(const char *exe)
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}
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} else {
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char personal_dir[MAX_PATH];
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if (FioFindFullPath(personal_dir, lengthof(personal_dir), BASE_DIR, "openttd.cfg") != NULL) {
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if (FioFindFullPath(personal_dir, lastof(personal_dir), BASE_DIR, "openttd.cfg") != NULL) {
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char *end = strrchr(personal_dir, PATHSEPCHAR);
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if (end != NULL) end[1] = '\0';
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config_dir = strdup(personal_dir);
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@ -1400,13 +1399,13 @@ static uint ScanPath(FileScanner *fs, const char *extension, const char *path, s
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if (!FiosIsValidFile(path, dirent, &sb)) continue;
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snprintf(filename, lengthof(filename), "%s%s", path, d_name);
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seprintf(filename, lastof(filename), "%s%s", path, d_name);
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if (S_ISDIR(sb.st_mode)) {
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/* Directory */
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if (!recursive) continue;
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if (strcmp(d_name, ".") == 0 || strcmp(d_name, "..") == 0) continue;
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if (!AppendPathSeparator(filename, lengthof(filename))) continue;
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if (!AppendPathSeparator(filename, lastof(filename))) continue;
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num += ScanPath(fs, extension, filename, basepath_length, recursive);
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} else if (S_ISREG(sb.st_mode)) {
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/* File */
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@ -1457,7 +1456,7 @@ uint FileScanner::Scan(const char *extension, Subdirectory sd, bool tars, bool r
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/* Don't search in the working directory */
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if (sp == SP_WORKING_DIR && !_do_scan_working_directory) continue;
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FioAppendDirectory(path, MAX_PATH, sp, sd);
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FioAppendDirectory(path, lastof(path), sp, sd);
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num += ScanPath(this, extension, path, strlen(path), recursive);
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}
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@ -1493,6 +1492,6 @@ uint FileScanner::Scan(const char *extension, const char *directory, bool recurs
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{
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char path[MAX_PATH];
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strecpy(path, directory, lastof(path));
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if (!AppendPathSeparator(path, lengthof(path))) return 0;
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if (!AppendPathSeparator(path, lastof(path))) return 0;
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return ScanPath(this, extension, path, strlen(path), recursive);
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}
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