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config: Fix indentation and missing curlies in config_text_file_load().

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@415288 65c4cc65-6c06-0410-ace0-fbb531ad65f3
changes/97/197/1
Richard Mudgett 11 years ago
parent 61b0be0600
commit b0abea6028
1 changed files with 246 additions and 229 deletions
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475
main/config.c
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@ -1687,9 +1687,14 @@ static struct ast_config *config_text_file_load(const char *database, const char
/*! Growable string buffer */
struct ast_str *comment_buffer = NULL; /*!< this will be a comment collector.*/
struct ast_str *lline_buffer = NULL; /*!< A buffer for stuff behind the ; */
#ifdef AST_INCLUDE_GLOB
int glob_ret;
glob_t globbuf;
#endif
if (cfg)
if (cfg) {
cat = ast_config_get_current_category(cfg);
}
if (filename[0] == '/') {
ast_copy_string(fn, filename, sizeof(fn));
@ -1699,8 +1704,9 @@ static struct ast_config *config_text_file_load(const char *database, const char
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
comment_buffer = ast_str_create(CB_SIZE);
if (comment_buffer)
if (comment_buffer) {
lline_buffer = ast_str_create(CB_SIZE);
}
if (!lline_buffer) {
ast_free(comment_buffer);
ast_log(LOG_ERROR, "Failed to initialize the comment buffer!\n");
@ -1708,273 +1714,284 @@ static struct ast_config *config_text_file_load(const char *database, const char
}
}
#ifdef AST_INCLUDE_GLOB
{
int glob_ret;
glob_t globbuf;
globbuf.gl_offs = 0; /* initialize it to silence gcc */
glob_ret = glob(fn, MY_GLOB_FLAGS, NULL, &globbuf);
if (glob_ret == GLOB_NOSPACE) {
ast_log(LOG_WARNING,
"Glob Expansion of pattern '%s' failed: Not enough memory\n", fn);
} else if (glob_ret == GLOB_ABORTED) {
ast_log(LOG_WARNING,
"Glob Expansion of pattern '%s' failed: Read error\n", fn);
} else {
/* loop over expanded files */
int i;
if (!cfg && (globbuf.gl_pathc != 1 || strcmp(fn, globbuf.gl_pathv[0]))) {
/*
* We just want a file changed answer and since we cannot
* tell if a file was deleted with wildcard matching we will
* assume that something has always changed. Also without
* a lot of refactoring we couldn't check more than one file
* for changes in the glob loop anyway.
*/
globfree(&globbuf);
ast_free(comment_buffer);
ast_free(lline_buffer);
return NULL;
}
for (i=0; i<globbuf.gl_pathc; i++) {
ast_copy_string(fn, globbuf.gl_pathv[i], sizeof(fn));
#endif
/*
* The following is not a loop, but just a convenient way to define a block
* (using do { } while(0) ), and be able to exit from it with 'continue'
* or 'break' in case of errors. Nice trick.
*/
do {
if (stat(fn, &statbuf)) {
if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
config_cache_remove(fn, who_asked);
}
continue;
}
globbuf.gl_offs = 0; /* initialize it to silence gcc */
glob_ret = glob(fn, MY_GLOB_FLAGS, NULL, &globbuf);
if (glob_ret == GLOB_NOSPACE) {
ast_log(LOG_WARNING,
"Glob Expansion of pattern '%s' failed: Not enough memory\n", fn);
} else if (glob_ret == GLOB_ABORTED) {
ast_log(LOG_WARNING,
"Glob Expansion of pattern '%s' failed: Read error\n", fn);
} else {
/* loop over expanded files */
int i;
if (!S_ISREG(statbuf.st_mode)) {
ast_log(LOG_WARNING, "'%s' is not a regular file, ignoring\n", fn);
if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
config_cache_remove(fn, who_asked);
}
continue;
if (!cfg && (globbuf.gl_pathc != 1 || strcmp(fn, globbuf.gl_pathv[0]))) {
/*
* We just want a file changed answer and since we cannot
* tell if a file was deleted with wildcard matching we will
* assume that something has always changed. Also without
* a lot of refactoring we couldn't check more than one file
* for changes in the glob loop anyway.
*/
globfree(&globbuf);
ast_free(comment_buffer);
ast_free(lline_buffer);
return NULL;
}
if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
/* Find our cached entry for this configuration file */
AST_LIST_LOCK(&cfmtime_head);
AST_LIST_TRAVERSE(&cfmtime_head, cfmtime, list) {
if (!strcmp(cfmtime->filename, fn) && !strcmp(cfmtime->who_asked, who_asked))
break;
}
if (!cfmtime) {
cfmtime = cfmtime_new(fn, who_asked);
if (!cfmtime) {
AST_LIST_UNLOCK(&cfmtime_head);
for (i=0; i<globbuf.gl_pathc; i++) {
ast_copy_string(fn, globbuf.gl_pathv[i], sizeof(fn));
#endif
/*
* The following is not a loop, but just a convenient way to define a block
* (using do { } while(0) ), and be able to exit from it with 'continue'
* or 'break' in case of errors. Nice trick.
*/
do {
if (stat(fn, &statbuf)) {
if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
config_cache_remove(fn, who_asked);
}
continue;
}
/* Note that the file mtime is initialized to 0, i.e. 1970 */
AST_LIST_INSERT_SORTALPHA(&cfmtime_head, cfmtime, list, filename);
}
}
if (cfmtime
&& !cfmtime->has_exec
&& !cfmstat_cmp(cfmtime, &statbuf)
&& ast_test_flag(&flags, CONFIG_FLAG_FILEUNCHANGED)) {
int unchanged = 1;
if (!S_ISREG(statbuf.st_mode)) {
ast_log(LOG_WARNING, "'%s' is not a regular file, ignoring\n", fn);
if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
config_cache_remove(fn, who_asked);
}
continue;
}
/* File is unchanged, what about the (cached) includes (if any)? */
AST_LIST_TRAVERSE(&cfmtime->includes, cfinclude, list) {
if (!config_text_file_load(NULL, NULL, cfinclude->include,
NULL, flags, "", who_asked)) {
/* One change is enough to short-circuit and reload the whole shebang */
unchanged = 0;
break;
if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE)) {
/* Find our cached entry for this configuration file */
AST_LIST_LOCK(&cfmtime_head);
AST_LIST_TRAVERSE(&cfmtime_head, cfmtime, list) {
if (!strcmp(cfmtime->filename, fn) && !strcmp(cfmtime->who_asked, who_asked)) {
break;
}
}
if (!cfmtime) {
cfmtime = cfmtime_new(fn, who_asked);
if (!cfmtime) {
AST_LIST_UNLOCK(&cfmtime_head);
continue;
}
/* Note that the file mtime is initialized to 0, i.e. 1970 */
AST_LIST_INSERT_SORTALPHA(&cfmtime_head, cfmtime, list, filename);
}
}
}
if (unchanged) {
AST_LIST_UNLOCK(&cfmtime_head);
if (cfmtime
&& !cfmtime->has_exec
&& !cfmstat_cmp(cfmtime, &statbuf)
&& ast_test_flag(&flags, CONFIG_FLAG_FILEUNCHANGED)) {
int unchanged = 1;
/* File is unchanged, what about the (cached) includes (if any)? */
AST_LIST_TRAVERSE(&cfmtime->includes, cfinclude, list) {
if (!config_text_file_load(NULL, NULL, cfinclude->include,
NULL, flags, "", who_asked)) {
/* One change is enough to short-circuit and reload the whole shebang */
unchanged = 0;
break;
}
}
if (unchanged) {
AST_LIST_UNLOCK(&cfmtime_head);
#ifdef AST_INCLUDE_GLOB
globfree(&globbuf);
globfree(&globbuf);
#endif
ast_free(comment_buffer);
ast_free(lline_buffer);
return CONFIG_STATUS_FILEUNCHANGED;
}
}
/* If cfg is NULL, then we just want a file changed answer. */
if (cfg == NULL) {
if (cfmtime) {
AST_LIST_UNLOCK(&cfmtime_head);
}
continue;
}
if (cfmtime) {
/* Forget about what we thought we knew about this file's includes. */
cfmtime->has_exec = 0;
config_cache_flush_includes(cfmtime);
cfmstat_save(cfmtime, &statbuf);
AST_LIST_UNLOCK(&cfmtime_head);
}
ast_free(comment_buffer);
ast_free(lline_buffer);
return CONFIG_STATUS_FILEUNCHANGED;
}
}
if (!(f = fopen(fn, "r"))) {
ast_debug(1, "No file to parse: %s\n", fn);
ast_verb(2, "Parsing '%s': Not found (%s)\n", fn, strerror(errno));
continue;
}
count++;
/* If we get to this point, then we're loading regardless */
ast_clear_flag(&flags, CONFIG_FLAG_FILEUNCHANGED);
ast_debug(1, "Parsing %s\n", fn);
ast_verb(2, "Parsing '%s': Found\n", fn);
while (!feof(f)) {
lineno++;
if (fgets(buf, sizeof(buf), f)) {
/* Skip lines that are too long */
if (strlen(buf) == sizeof(buf) - 1 && buf[sizeof(buf) - 1] != '\n') {
ast_log(LOG_WARNING, "Line %d too long, skipping. It begins with: %.32s...\n", lineno, buf);
while (fgets(buf, sizeof(buf), f)) {
if (strlen(buf) != sizeof(buf) - 1 || buf[sizeof(buf) - 1] == '\n') {
break;
}
/* If cfg is NULL, then we just want a file changed answer. */
if (cfg == NULL) {
if (cfmtime) {
AST_LIST_UNLOCK(&cfmtime_head);
}
continue;
}
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && 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 */
}
if (cfmtime) {
/* Forget about what we thought we knew about this file's includes. */
cfmtime->has_exec = 0;
config_cache_flush_includes(cfmtime);
new_buf = buf;
if (comment)
process_buf = NULL;
else
process_buf = buf;
cfmstat_save(cfmtime, &statbuf);
AST_LIST_UNLOCK(&cfmtime_head);
}
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"))) {
/* 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 */
if (!(f = fopen(fn, "r"))) {
ast_debug(1, "No file to parse: %s\n", fn);
ast_verb(2, "Parsing '%s': Not found (%s)\n", fn, strerror(errno));
continue;
}
count++;
/* If we get to this point, then we're loading regardless */
ast_clear_flag(&flags, CONFIG_FLAG_FILEUNCHANGED);
ast_debug(1, "Parsing %s\n", fn);
ast_verb(2, "Parsing '%s': Found\n", fn);
while (!feof(f)) {
lineno++;
if (fgets(buf, sizeof(buf), f)) {
/* Skip lines that are too long */
if (strlen(buf) == sizeof(buf) - 1 && buf[sizeof(buf) - 1] != '\n') {
ast_log(LOG_WARNING, "Line %d too long, skipping. It begins with: %.32s...\n", lineno, buf);
while (fgets(buf, sizeof(buf), f)) {
if (strlen(buf) != sizeof(buf) - 1 || buf[sizeof(buf) - 1] == '\n') {
break;
}
}
continue;
}
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;
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)
&& 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 */
}
new_buf = buf;
if (comment) {
process_buf = NULL;
} else {
ast_log(LOG_ERROR, "Maximum nest limit of %d reached.\n", MAX_NESTED_COMMENTS);
process_buf = buf;
}
} 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;
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"))) {
/* 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 */
}
} 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);
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;
}
}
*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 (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;
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 */
/* 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));
}
}
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 */
if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
CB_RESET(comment_buffer, 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]);
}
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);
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;
}

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