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config: Fix indentation and missing curlies in config_text_file_load().
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@415288 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
509
main/config.c
509
main/config.c
@@ -1687,9 +1687,14 @@ static struct ast_config *config_text_file_load(const char *database, const char
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/*! Growable string buffer */
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struct ast_str *comment_buffer = NULL; /*!< this will be a comment collector.*/
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struct ast_str *lline_buffer = NULL; /*!< A buffer for stuff behind the ; */
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#ifdef AST_INCLUDE_GLOB
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int glob_ret;
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glob_t globbuf;
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#endif
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if (cfg)
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if (cfg) {
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cat = ast_config_get_current_category(cfg);
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}
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if (filename[0] == '/') {
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ast_copy_string(fn, filename, sizeof(fn));
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@@ -1699,8 +1704,9 @@ static struct ast_config *config_text_file_load(const char *database, const char
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
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comment_buffer = ast_str_create(CB_SIZE);
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if (comment_buffer)
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if (comment_buffer) {
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lline_buffer = ast_str_create(CB_SIZE);
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}
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if (!lline_buffer) {
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ast_free(comment_buffer);
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ast_log(LOG_ERROR, "Failed to initialize the comment buffer!\n");
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@@ -1708,273 +1714,284 @@ static struct ast_config *config_text_file_load(const char *database, const char
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}
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}
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#ifdef AST_INCLUDE_GLOB
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{
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int glob_ret;
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glob_t globbuf;
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globbuf.gl_offs = 0; /* initialize it to silence gcc */
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glob_ret = glob(fn, MY_GLOB_FLAGS, NULL, &globbuf);
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if (glob_ret == GLOB_NOSPACE) {
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ast_log(LOG_WARNING,
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"Glob Expansion of pattern '%s' failed: Not enough memory\n", fn);
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} else if (glob_ret == GLOB_ABORTED) {
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ast_log(LOG_WARNING,
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"Glob Expansion of pattern '%s' failed: Read error\n", fn);
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} else {
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/* loop over expanded files */
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int i;
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globbuf.gl_offs = 0; /* initialize it to silence gcc */
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glob_ret = glob(fn, MY_GLOB_FLAGS, NULL, &globbuf);
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if (glob_ret == GLOB_NOSPACE) {
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ast_log(LOG_WARNING,
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"Glob Expansion of pattern '%s' failed: Not enough memory\n", fn);
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} else if (glob_ret == GLOB_ABORTED) {
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ast_log(LOG_WARNING,
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"Glob Expansion of pattern '%s' failed: Read error\n", fn);
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} else {
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/* loop over expanded files */
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int i;
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if (!cfg && (globbuf.gl_pathc != 1 || strcmp(fn, globbuf.gl_pathv[0]))) {
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/*
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* We just want a file changed answer and since we cannot
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* tell if a file was deleted with wildcard matching we will
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* assume that something has always changed. Also without
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* a lot of refactoring we couldn't check more than one file
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* for changes in the glob loop anyway.
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*/
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globfree(&globbuf);
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ast_free(comment_buffer);
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ast_free(lline_buffer);
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return NULL;
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}
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for (i=0; i<globbuf.gl_pathc; i++) {
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ast_copy_string(fn, globbuf.gl_pathv[i], sizeof(fn));
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if (!cfg && (globbuf.gl_pathc != 1 || strcmp(fn, globbuf.gl_pathv[0]))) {
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/*
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* We just want a file changed answer and since we cannot
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* tell if a file was deleted with wildcard matching we will
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* assume that something has always changed. Also without
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* a lot of refactoring we couldn't check more than one file
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* for changes in the glob loop anyway.
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*/
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globfree(&globbuf);
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ast_free(comment_buffer);
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ast_free(lline_buffer);
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return NULL;
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}
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for (i=0; i<globbuf.gl_pathc; i++) {
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ast_copy_string(fn, globbuf.gl_pathv[i], sizeof(fn));
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#endif
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/*
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* The following is not a loop, but just a convenient way to define a block
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* (using do { } while(0) ), and be able to exit from it with 'continue'
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* or 'break' in case of errors. Nice trick.
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*/
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do {
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if (stat(fn, &statbuf)) {
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if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
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config_cache_remove(fn, who_asked);
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}
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continue;
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}
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/*
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* The following is not a loop, but just a convenient way to define a block
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* (using do { } while(0) ), and be able to exit from it with 'continue'
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* or 'break' in case of errors. Nice trick.
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*/
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do {
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if (stat(fn, &statbuf)) {
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if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
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config_cache_remove(fn, who_asked);
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}
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continue;
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}
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if (!S_ISREG(statbuf.st_mode)) {
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ast_log(LOG_WARNING, "'%s' is not a regular file, ignoring\n", fn);
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if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
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config_cache_remove(fn, who_asked);
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}
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continue;
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}
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if (!S_ISREG(statbuf.st_mode)) {
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ast_log(LOG_WARNING, "'%s' is not a regular file, ignoring\n", fn);
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if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
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config_cache_remove(fn, who_asked);
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}
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continue;
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}
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if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
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/* Find our cached entry for this configuration file */
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AST_LIST_LOCK(&cfmtime_head);
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AST_LIST_TRAVERSE(&cfmtime_head, cfmtime, list) {
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if (!strcmp(cfmtime->filename, fn) && !strcmp(cfmtime->who_asked, who_asked))
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break;
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}
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if (!cfmtime) {
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cfmtime = cfmtime_new(fn, who_asked);
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if (!cfmtime) {
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if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
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/* Find our cached entry for this configuration file */
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AST_LIST_LOCK(&cfmtime_head);
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AST_LIST_TRAVERSE(&cfmtime_head, cfmtime, list) {
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if (!strcmp(cfmtime->filename, fn) && !strcmp(cfmtime->who_asked, who_asked)) {
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break;
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}
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}
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if (!cfmtime) {
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cfmtime = cfmtime_new(fn, who_asked);
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if (!cfmtime) {
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AST_LIST_UNLOCK(&cfmtime_head);
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continue;
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}
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/* Note that the file mtime is initialized to 0, i.e. 1970 */
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AST_LIST_INSERT_SORTALPHA(&cfmtime_head, cfmtime, list, filename);
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}
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}
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if (cfmtime
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&& !cfmtime->has_exec
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&& !cfmstat_cmp(cfmtime, &statbuf)
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&& ast_test_flag(&flags, CONFIG_FLAG_FILEUNCHANGED)) {
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int unchanged = 1;
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/* File is unchanged, what about the (cached) includes (if any)? */
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AST_LIST_TRAVERSE(&cfmtime->includes, cfinclude, list) {
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if (!config_text_file_load(NULL, NULL, cfinclude->include,
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NULL, flags, "", who_asked)) {
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/* One change is enough to short-circuit and reload the whole shebang */
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unchanged = 0;
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break;
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}
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}
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if (unchanged) {
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AST_LIST_UNLOCK(&cfmtime_head);
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#ifdef AST_INCLUDE_GLOB
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globfree(&globbuf);
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#endif
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ast_free(comment_buffer);
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ast_free(lline_buffer);
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return CONFIG_STATUS_FILEUNCHANGED;
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}
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}
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/* If cfg is NULL, then we just want a file changed answer. */
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if (cfg == NULL) {
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if (cfmtime) {
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AST_LIST_UNLOCK(&cfmtime_head);
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}
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continue;
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}
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if (cfmtime) {
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/* Forget about what we thought we knew about this file's includes. */
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cfmtime->has_exec = 0;
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config_cache_flush_includes(cfmtime);
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cfmstat_save(cfmtime, &statbuf);
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AST_LIST_UNLOCK(&cfmtime_head);
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}
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if (!(f = fopen(fn, "r"))) {
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ast_debug(1, "No file to parse: %s\n", fn);
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ast_verb(2, "Parsing '%s': Not found (%s)\n", fn, strerror(errno));
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continue;
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}
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/* Note that the file mtime is initialized to 0, i.e. 1970 */
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AST_LIST_INSERT_SORTALPHA(&cfmtime_head, cfmtime, list, filename);
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}
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}
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if (cfmtime
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&& !cfmtime->has_exec
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&& !cfmstat_cmp(cfmtime, &statbuf)
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&& ast_test_flag(&flags, CONFIG_FLAG_FILEUNCHANGED)) {
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int unchanged = 1;
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/* File is unchanged, what about the (cached) includes (if any)? */
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AST_LIST_TRAVERSE(&cfmtime->includes, cfinclude, list) {
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if (!config_text_file_load(NULL, NULL, cfinclude->include,
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NULL, flags, "", who_asked)) {
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/* One change is enough to short-circuit and reload the whole shebang */
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unchanged = 0;
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break;
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}
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}
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if (unchanged) {
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AST_LIST_UNLOCK(&cfmtime_head);
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#ifdef AST_INCLUDE_GLOB
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globfree(&globbuf);
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#endif
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ast_free(comment_buffer);
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ast_free(lline_buffer);
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return CONFIG_STATUS_FILEUNCHANGED;
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}
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}
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/* If cfg is NULL, then we just want a file changed answer. */
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if (cfg == NULL) {
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if (cfmtime) {
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AST_LIST_UNLOCK(&cfmtime_head);
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}
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continue;
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}
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if (cfmtime) {
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/* Forget about what we thought we knew about this file's includes. */
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cfmtime->has_exec = 0;
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config_cache_flush_includes(cfmtime);
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cfmstat_save(cfmtime, &statbuf);
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AST_LIST_UNLOCK(&cfmtime_head);
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}
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if (!(f = fopen(fn, "r"))) {
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ast_debug(1, "No file to parse: %s\n", fn);
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ast_verb(2, "Parsing '%s': Not found (%s)\n", fn, strerror(errno));
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continue;
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}
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count++;
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/* If we get to this point, then we're loading regardless */
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ast_clear_flag(&flags, CONFIG_FLAG_FILEUNCHANGED);
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ast_debug(1, "Parsing %s\n", fn);
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ast_verb(2, "Parsing '%s': Found\n", fn);
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while (!feof(f)) {
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lineno++;
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if (fgets(buf, sizeof(buf), f)) {
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/* Skip lines that are too long */
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if (strlen(buf) == sizeof(buf) - 1 && buf[sizeof(buf) - 1] != '\n') {
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ast_log(LOG_WARNING, "Line %d too long, skipping. It begins with: %.32s...\n", lineno, buf);
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while (fgets(buf, sizeof(buf), f)) {
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if (strlen(buf) != sizeof(buf) - 1 || buf[sizeof(buf) - 1] == '\n') {
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break;
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}
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}
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continue;
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}
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && lline_buffer && ast_str_strlen(lline_buffer)) {
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CB_ADD(&comment_buffer, ast_str_buffer(lline_buffer)); /* add the current lline buffer to the comment buffer */
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ast_str_reset(lline_buffer); /* erase the lline buffer */
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}
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new_buf = buf;
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if (comment)
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process_buf = NULL;
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else
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process_buf = buf;
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && ast_str_strlen(comment_buffer) && (ast_strlen_zero(buf) || strlen(buf) == strspn(buf," \t\n\r"))) {
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/* blank line? really? Can we add it to an existing comment and maybe preserve inter- and post- comment spacing? */
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CB_ADD(&comment_buffer, "\n"); /* add a newline to the comment buffer */
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continue; /* go get a new line, then */
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}
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while ((comment_p = strchr(new_buf, COMMENT_META))) {
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if ((comment_p > new_buf) && (*(comment_p - 1) == '\\')) {
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/* Escaped semicolons aren't comments. */
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new_buf = comment_p;
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/* write over the \ and bring the null terminator with us */
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memmove(comment_p - 1, comment_p, strlen(comment_p) + 1);
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} else if (comment_p[1] == COMMENT_TAG && comment_p[2] == COMMENT_TAG && (comment_p[3] != '-')) {
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/* Meta-Comment start detected ";--" */
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if (comment < MAX_NESTED_COMMENTS) {
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*comment_p = '\0';
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new_buf = comment_p + 3;
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comment++;
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nest[comment-1] = lineno;
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} else {
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ast_log(LOG_ERROR, "Maximum nest limit of %d reached.\n", MAX_NESTED_COMMENTS);
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}
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} else if ((comment_p >= new_buf + 2) &&
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(*(comment_p - 1) == COMMENT_TAG) &&
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(*(comment_p - 2) == COMMENT_TAG)) {
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/* Meta-Comment end detected "--;" */
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comment--;
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new_buf = comment_p + 1;
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if (!comment) {
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/* Back to non-comment now */
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if (process_buf) {
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/* Actually have to move what's left over the top, then continue */
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char *oldptr;
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oldptr = process_buf + strlen(process_buf);
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
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CB_ADD(&comment_buffer, ";");
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CB_ADD_LEN(&comment_buffer, oldptr+1, new_buf-oldptr-1);
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count++;
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/* If we get to this point, then we're loading regardless */
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ast_clear_flag(&flags, CONFIG_FLAG_FILEUNCHANGED);
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ast_debug(1, "Parsing %s\n", fn);
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ast_verb(2, "Parsing '%s': Found\n", fn);
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while (!feof(f)) {
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lineno++;
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if (fgets(buf, sizeof(buf), f)) {
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/* Skip lines that are too long */
|
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if (strlen(buf) == sizeof(buf) - 1 && buf[sizeof(buf) - 1] != '\n') {
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ast_log(LOG_WARNING, "Line %d too long, skipping. It begins with: %.32s...\n", lineno, buf);
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while (fgets(buf, sizeof(buf), f)) {
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if (strlen(buf) != sizeof(buf) - 1 || buf[sizeof(buf) - 1] == '\n') {
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break;
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}
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memmove(oldptr, new_buf, strlen(new_buf) + 1);
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new_buf = oldptr;
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} else
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process_buf = new_buf;
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}
|
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} else {
|
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if (!comment) {
|
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/* If ; is found, and we are not nested in a comment,
|
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we immediately stop all comment processing */
|
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
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CB_ADD(&lline_buffer, comment_p);
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}
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*comment_p = '\0';
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new_buf = comment_p;
|
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} else
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new_buf = comment_p + 1;
|
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}
|
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}
|
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment && !process_buf ) {
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CB_ADD(&comment_buffer, buf); /* the whole line is a comment, store it */
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}
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continue;
|
||||
}
|
||||
|
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if (process_buf) {
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char *buffer = ast_strip(process_buf);
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if (!ast_strlen_zero(buffer)) {
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if (process_text_line(cfg, &cat, buffer, lineno, fn, flags, comment_buffer, lline_buffer, suggested_include_file, &last_cat, &last_var, who_asked)) {
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cfg = CONFIG_STATUS_FILEINVALID;
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break;
|
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)
|
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&& lline_buffer
|
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&& ast_str_strlen(lline_buffer)) {
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CB_ADD(&comment_buffer, ast_str_buffer(lline_buffer)); /* add the current lline buffer to the comment buffer */
|
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ast_str_reset(lline_buffer); /* erase the lline buffer */
|
||||
}
|
||||
|
||||
new_buf = buf;
|
||||
if (comment) {
|
||||
process_buf = NULL;
|
||||
} else {
|
||||
process_buf = buf;
|
||||
}
|
||||
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)
|
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&& comment_buffer
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&& ast_str_strlen(comment_buffer)
|
||||
&& (ast_strlen_zero(buf) || strlen(buf) == strspn(buf," \t\n\r"))) {
|
||||
/* blank line? really? Can we add it to an existing comment and maybe preserve inter- and post- comment spacing? */
|
||||
CB_ADD(&comment_buffer, "\n"); /* add a newline to the comment buffer */
|
||||
continue; /* go get a new line, then */
|
||||
}
|
||||
|
||||
while ((comment_p = strchr(new_buf, COMMENT_META))) {
|
||||
if ((comment_p > new_buf) && (*(comment_p - 1) == '\\')) {
|
||||
/* Escaped semicolons aren't comments. */
|
||||
new_buf = comment_p;
|
||||
/* write over the \ and bring the null terminator with us */
|
||||
memmove(comment_p - 1, comment_p, strlen(comment_p) + 1);
|
||||
} else if (comment_p[1] == COMMENT_TAG && comment_p[2] == COMMENT_TAG && (comment_p[3] != '-')) {
|
||||
/* Meta-Comment start detected ";--" */
|
||||
if (comment < MAX_NESTED_COMMENTS) {
|
||||
*comment_p = '\0';
|
||||
new_buf = comment_p + 3;
|
||||
comment++;
|
||||
nest[comment-1] = lineno;
|
||||
} else {
|
||||
ast_log(LOG_ERROR, "Maximum nest limit of %d reached.\n", MAX_NESTED_COMMENTS);
|
||||
}
|
||||
} else if ((comment_p >= new_buf + 2) &&
|
||||
(*(comment_p - 1) == COMMENT_TAG) &&
|
||||
(*(comment_p - 2) == COMMENT_TAG)) {
|
||||
/* Meta-Comment end detected "--;" */
|
||||
comment--;
|
||||
new_buf = comment_p + 1;
|
||||
if (!comment) {
|
||||
/* Back to non-comment now */
|
||||
if (process_buf) {
|
||||
/* Actually have to move what's left over the top, then continue */
|
||||
char *oldptr;
|
||||
|
||||
oldptr = process_buf + strlen(process_buf);
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
|
||||
CB_ADD(&comment_buffer, ";");
|
||||
CB_ADD_LEN(&comment_buffer, oldptr+1, new_buf-oldptr-1);
|
||||
}
|
||||
|
||||
memmove(oldptr, new_buf, strlen(new_buf) + 1);
|
||||
new_buf = oldptr;
|
||||
} else {
|
||||
process_buf = new_buf;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (!comment) {
|
||||
/* If ; is found, and we are not nested in a comment,
|
||||
we immediately stop all comment processing */
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
|
||||
CB_ADD(&lline_buffer, comment_p);
|
||||
}
|
||||
*comment_p = '\0';
|
||||
new_buf = comment_p;
|
||||
} else {
|
||||
new_buf = comment_p + 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment && !process_buf ) {
|
||||
CB_ADD(&comment_buffer, buf); /* the whole line is a comment, store it */
|
||||
}
|
||||
|
||||
if (process_buf) {
|
||||
char *buffer = ast_strip(process_buf);
|
||||
|
||||
if (!ast_strlen_zero(buffer)) {
|
||||
if (process_text_line(cfg, &cat, buffer, lineno, fn,
|
||||
flags, comment_buffer, lline_buffer,
|
||||
suggested_include_file, &last_cat, &last_var,
|
||||
who_asked)) {
|
||||
cfg = CONFIG_STATUS_FILEINVALID;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
/* end of file-- anything in a comment buffer? */
|
||||
if (last_cat) {
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && ast_str_strlen(comment_buffer)) {
|
||||
if (lline_buffer && ast_str_strlen(lline_buffer)) {
|
||||
CB_ADD(&comment_buffer, ast_str_buffer(lline_buffer)); /* add the current lline buffer to the comment buffer */
|
||||
ast_str_reset(lline_buffer); /* erase the lline buffer */
|
||||
}
|
||||
last_cat->trailing = ALLOC_COMMENT(comment_buffer);
|
||||
}
|
||||
} else if (last_var) {
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && ast_str_strlen(comment_buffer)) {
|
||||
if (lline_buffer && ast_str_strlen(lline_buffer)) {
|
||||
CB_ADD(&comment_buffer, ast_str_buffer(lline_buffer)); /* add the current lline buffer to the comment buffer */
|
||||
ast_str_reset(lline_buffer); /* erase the lline buffer */
|
||||
}
|
||||
last_var->trailing = ALLOC_COMMENT(comment_buffer);
|
||||
}
|
||||
} else {
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && ast_str_strlen(comment_buffer)) {
|
||||
ast_debug(1, "Nothing to attach comments to, discarded: %s\n", ast_str_buffer(comment_buffer));
|
||||
}
|
||||
}
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
|
||||
CB_RESET(comment_buffer, lline_buffer);
|
||||
|
||||
fclose(f);
|
||||
} while (0);
|
||||
if (comment) {
|
||||
ast_log(LOG_WARNING,"Unterminated comment detected beginning on line %d\n", nest[comment - 1]);
|
||||
}
|
||||
#ifdef AST_INCLUDE_GLOB
|
||||
if (cfg == NULL || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) {
|
||||
break;
|
||||
/* end of file-- anything in a comment buffer? */
|
||||
if (last_cat) {
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && ast_str_strlen(comment_buffer)) {
|
||||
if (lline_buffer && ast_str_strlen(lline_buffer)) {
|
||||
CB_ADD(&comment_buffer, ast_str_buffer(lline_buffer)); /* add the current lline buffer to the comment buffer */
|
||||
ast_str_reset(lline_buffer); /* erase the lline buffer */
|
||||
}
|
||||
last_cat->trailing = ALLOC_COMMENT(comment_buffer);
|
||||
}
|
||||
} else if (last_var) {
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && ast_str_strlen(comment_buffer)) {
|
||||
if (lline_buffer && ast_str_strlen(lline_buffer)) {
|
||||
CB_ADD(&comment_buffer, ast_str_buffer(lline_buffer)); /* add the current lline buffer to the comment buffer */
|
||||
ast_str_reset(lline_buffer); /* erase the lline buffer */
|
||||
}
|
||||
last_var->trailing = ALLOC_COMMENT(comment_buffer);
|
||||
}
|
||||
} else {
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && ast_str_strlen(comment_buffer)) {
|
||||
ast_debug(1, "Nothing to attach comments to, discarded: %s\n", ast_str_buffer(comment_buffer));
|
||||
}
|
||||
}
|
||||
globfree(&globbuf);
|
||||
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
|
||||
CB_RESET(comment_buffer, lline_buffer);
|
||||
}
|
||||
|
||||
fclose(f);
|
||||
} while (0);
|
||||
if (comment) {
|
||||
ast_log(LOG_WARNING,"Unterminated comment detected beginning on line %d\n", nest[comment - 1]);
|
||||
}
|
||||
#ifdef AST_INCLUDE_GLOB
|
||||
if (cfg == NULL || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
globfree(&globbuf);
|
||||
}
|
||||
#endif
|
||||
|
||||
ast_free(comment_buffer);
|
||||
ast_free(lline_buffer);
|
||||
|
||||
if (count == 0)
|
||||
if (count == 0) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return cfg;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user