Implement comment_buffer and lline_buffer in terms of the ast_str_*() API.
I don't know if comment_buffers etc are actually used at all... git-svn-id: http://svn.digium.com/svn/asterisk/trunk@91962 f38db490-d61c-443f-a65b-d21fe96a405b
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0baa4ebe7d
commit
14f66c1347
1 changed files with 69 additions and 104 deletions
173
main/config.c
173
main/config.c
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@ -62,6 +62,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/channel.h"
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#include "asterisk/app.h"
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#include "asterisk/astobj2.h"
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#include "asterisk/strings.h" /* for the ast_str_*() API */
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#define MAX_NESTED_COMMENTS 128
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#define COMMENT_START ";--"
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@ -94,79 +95,37 @@ struct cache_file_mtime {
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static AST_LIST_HEAD_STATIC(cfmtime_head, cache_file_mtime);
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#define CB_INCR 250
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static void CB_INIT(char **comment_buffer, int *comment_buffer_size, char **lline_buffer, int *lline_buffer_size)
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/* comment buffers are better implemented using the ast_str_*() API */
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#define CB_SIZE 250 /* initial size of comment buffers */
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static void CB_ADD(struct ast_str **cb, const char *str)
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{
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if (!(*comment_buffer)) {
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*comment_buffer = ast_malloc(CB_INCR);
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if (!(*comment_buffer))
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return;
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(*comment_buffer)[0] = 0;
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*comment_buffer_size = CB_INCR;
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*lline_buffer = ast_malloc(CB_INCR);
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if (!(*lline_buffer))
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return;
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(*lline_buffer)[0] = 0;
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*lline_buffer_size = CB_INCR;
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} else {
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(*comment_buffer)[0] = 0;
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(*lline_buffer)[0] = 0;
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}
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ast_str_append(cb, 0, "%s", str);
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}
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static void CB_ADD(char **comment_buffer, int *comment_buffer_size, char *str)
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static void CB_ADD_LEN(struct ast_str **cb, const char *str, int len)
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{
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int rem = *comment_buffer_size - strlen(*comment_buffer) - 1;
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int siz = strlen(str);
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if (rem < siz+1) {
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*comment_buffer = ast_realloc(*comment_buffer, *comment_buffer_size + CB_INCR + siz + 1);
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if (!(*comment_buffer))
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return;
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*comment_buffer_size += CB_INCR+siz+1;
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}
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strcat(*comment_buffer,str);
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char *s = alloca(len + 1);
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ast_copy_string(s, str, len);
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ast_str_append(cb, 0, "%s", str);
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}
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static void CB_ADD_LEN(char **comment_buffer, int *comment_buffer_size, char *str, int len)
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static void CB_RESET(struct ast_str *cb, struct ast_str *llb)
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{
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int cbl = strlen(*comment_buffer) + 1;
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int rem = *comment_buffer_size - cbl;
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if (rem < len+1) {
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*comment_buffer = ast_realloc(*comment_buffer, *comment_buffer_size + CB_INCR + len + 1);
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if (!(*comment_buffer))
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return;
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*comment_buffer_size += CB_INCR+len+1;
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}
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strncat(*comment_buffer,str,len);
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(*comment_buffer)[cbl+len-1] = 0;
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if (cb)
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cb->used = 0;
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if (llb)
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llb->used = 0;
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}
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static void LLB_ADD(char **lline_buffer, int *lline_buffer_size, char *str)
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static struct ast_comment *ALLOC_COMMENT(const struct ast_str *buffer)
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{
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int rem = *lline_buffer_size - strlen(*lline_buffer) - 1;
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int siz = strlen(str);
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if (rem < siz+1) {
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*lline_buffer = ast_realloc(*lline_buffer, *lline_buffer_size + CB_INCR + siz + 1);
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if (!(*lline_buffer))
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return;
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*lline_buffer_size += CB_INCR + siz + 1;
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}
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strcat(*lline_buffer,str);
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}
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static void CB_RESET(char **comment_buffer, char **lline_buffer)
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{
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(*comment_buffer)[0] = 0;
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(*lline_buffer)[0] = 0;
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}
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static struct ast_comment *ALLOC_COMMENT(const char *buffer)
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{
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struct ast_comment *x;
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x = ast_calloc(1, sizeof(*x)+strlen(buffer)+1);
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strcpy(x->cmt, buffer);
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struct ast_comment *x = NULL;
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if (buffer && buffer->used)
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x = ast_calloc(1, sizeof(*x) + buffer->used + 1);
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if (x)
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strcpy(x->cmt, buffer->str);
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return x;
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}
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@ -892,8 +851,8 @@ static void config_cache_attribute(const char *configfile, enum config_cache_att
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*/
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static int process_text_line(struct ast_config *cfg, struct ast_category **cat,
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char *buf, int lineno, const char *configfile, struct ast_flags flags,
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char **comment_buffer, int *comment_buffer_size,
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char **lline_buffer, int *lline_buffer_size,
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struct ast_str *comment_buffer,
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struct ast_str *lline_buffer,
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const char *suggested_include_file,
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struct ast_category **last_cat, struct ast_variable **last_var)
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{
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@ -933,12 +892,10 @@ static int process_text_line(struct ast_config *cfg, struct ast_category **cat,
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*last_cat = newcat;
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/* add comments */
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && *comment_buffer && (*comment_buffer)[0] ) {
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newcat->precomments = ALLOC_COMMENT(*comment_buffer);
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}
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && *lline_buffer && (*lline_buffer)[0] ) {
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newcat->sameline = ALLOC_COMMENT(*lline_buffer);
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}
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
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newcat->precomments = ALLOC_COMMENT(comment_buffer);
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
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newcat->sameline = ALLOC_COMMENT(lline_buffer);
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
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CB_RESET(comment_buffer, lline_buffer);
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@ -1081,12 +1038,10 @@ static int process_text_line(struct ast_config *cfg, struct ast_category **cat,
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v->blanklines = 0;
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ast_variable_append(*cat, v);
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/* add comments */
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && *comment_buffer && (*comment_buffer)[0] ) {
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v->precomments = ALLOC_COMMENT(*comment_buffer);
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}
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && *lline_buffer && (*lline_buffer)[0] ) {
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v->sameline = ALLOC_COMMENT(*lline_buffer);
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}
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
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v->precomments = ALLOC_COMMENT(comment_buffer);
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
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v->sameline = ALLOC_COMMENT(lline_buffer);
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
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CB_RESET(comment_buffer, lline_buffer);
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@ -1116,11 +1071,14 @@ static struct ast_config *config_text_file_load(const char *database, const char
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struct ast_variable *last_var = 0;
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struct ast_category *last_cat = 0;
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/*! Growable string buffer */
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struct ast_str *comment_buffer = NULL, *lline_buffer = NULL;
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#if 0
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char *comment_buffer=0; /*!< this will be a comment collector.*/
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int comment_buffer_size=0; /*!< the amount of storage so far alloc'd for the comment_buffer */
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char *lline_buffer=0; /*!< A buffer for stuff behind the ; */
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int lline_buffer_size=0;
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#endif
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if (cfg)
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cat = ast_config_get_current_category(cfg);
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@ -1132,8 +1090,12 @@ static struct ast_config *config_text_file_load(const char *database, const char
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}
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
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CB_INIT(&comment_buffer, &comment_buffer_size, &lline_buffer, &lline_buffer_size);
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if (!lline_buffer || !comment_buffer) {
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comment_buffer = ast_str_create(CB_SIZE);
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if (comment_buffer)
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lline_buffer = ast_str_create(CB_SIZE);
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if (!lline_buffer) {
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if (comment_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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return NULL;
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}
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@ -1251,9 +1213,9 @@ static struct ast_config *config_text_file_load(const char *database, const char
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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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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
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CB_ADD(&comment_buffer, &comment_buffer_size, lline_buffer); /* add the current lline buffer to the comment buffer */
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lline_buffer[0] = 0; /* erase the lline buffer */
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && lline_buffer && lline_buffer->used) {
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CB_ADD(&comment_buffer, lline_buffer->str); /* add the current lline buffer to the comment buffer */
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lline_buffer->used = 0; /* erase the lline buffer */
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}
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new_buf = buf;
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@ -1262,9 +1224,9 @@ static struct ast_config *config_text_file_load(const char *database, const char
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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 && comment_buffer[0] && (ast_strlen_zero(buf) || strlen(buf) == strspn(buf," \t\n\r"))) {
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && comment_buffer->used && (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, &comment_buffer_size, "\n"); /* add a newline to the comment buffer */
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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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@ -1295,8 +1257,8 @@ static struct ast_config *config_text_file_load(const char *database, const char
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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, &comment_buffer_size, ";");
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CB_ADD_LEN(&comment_buffer, &comment_buffer_size, oldptr+1, new_buf-oldptr-1);
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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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}
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memmove(oldptr, new_buf, strlen(new_buf) + 1);
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@ -1309,7 +1271,7 @@ static struct ast_config *config_text_file_load(const char *database, const char
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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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LLB_ADD(&lline_buffer, &lline_buffer_size, comment_p);
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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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@ -1317,15 +1279,14 @@ static struct ast_config *config_text_file_load(const char *database, const char
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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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{
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CB_ADD(&comment_buffer, &comment_buffer_size, buf); /* the whole line is a comment, store it */
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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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if (process_buf) {
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char *buf = ast_strip(process_buf);
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if (!ast_strlen_zero(buf)) {
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if (process_text_line(cfg, &cat, buf, lineno, fn, flags, &comment_buffer, &comment_buffer_size, &lline_buffer, &lline_buffer_size, suggested_include_file, &last_cat, &last_var)) {
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if (process_text_line(cfg, &cat, buf, lineno, fn, flags, comment_buffer, lline_buffer, suggested_include_file, &last_cat, &last_var)) {
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cfg = NULL;
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break;
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}
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@ -1335,24 +1296,28 @@ static struct ast_config *config_text_file_load(const char *database, const char
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}
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/* end of file-- anything in a comment buffer? */
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if (last_cat) {
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && comment_buffer[0] ) {
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CB_ADD(&comment_buffer, &comment_buffer_size, lline_buffer); /* add the current lline buffer to the comment buffer */
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lline_buffer[0] = 0; /* erase the lline buffer */
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && comment_buffer->used ) {
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if (lline_buffer && lline_buffer->used) {
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CB_ADD(&comment_buffer, lline_buffer->str); /* add the current lline buffer to the comment buffer */
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lline_buffer->used = 0; /* erase the lline buffer */
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}
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last_cat->trailing = ALLOC_COMMENT(comment_buffer);
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}
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} else if (last_var) {
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && comment_buffer[0] ) {
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CB_ADD(&comment_buffer, &comment_buffer_size, lline_buffer); /* add the current lline buffer to the comment buffer */
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lline_buffer[0] = 0; /* erase the lline buffer */
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && comment_buffer->used ) {
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if (lline_buffer && lline_buffer->used) {
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CB_ADD(&comment_buffer, lline_buffer->str); /* add the current lline buffer to the comment buffer */
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lline_buffer->used = 0; /* erase the lline buffer */
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}
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last_var->trailing = ALLOC_COMMENT(comment_buffer);
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}
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} else {
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && (comment_buffer)[0] ) {
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ast_debug(1, "Nothing to attach comments to, discarded: %s\n", comment_buffer);
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer && comment_buffer->used) {
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ast_debug(1, "Nothing to attach comments to, discarded: %s\n", comment_buffer->str);
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}
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}
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if (ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS))
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CB_RESET(&comment_buffer, &lline_buffer);
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CB_RESET(comment_buffer, lline_buffer);
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fclose(f);
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} while (0);
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@ -1368,13 +1333,13 @@ static struct ast_config *config_text_file_load(const char *database, const char
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}
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#endif
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if (cfg && cfg != CONFIG_STATUS_FILEUNCHANGED && cfg->include_level == 1 && ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS) && comment_buffer) {
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ast_free(comment_buffer);
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ast_free(lline_buffer);
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if (cfg && cfg != CONFIG_STATUS_FILEUNCHANGED && cfg->include_level == 1 && ast_test_flag(&flags, CONFIG_FLAG_WITHCOMMENTS)) {
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if (comment_buffer)
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ast_free(comment_buffer);
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if (lline_buffer)
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ast_free(lline_buffer);
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comment_buffer = NULL;
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lline_buffer = NULL;
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comment_buffer_size = 0;
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lline_buffer_size = 0;
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}
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if (count == 0)
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