/*
* retrieve hscale,hoffset,usfoffset and usfheight from EEPROM
*/
void get_config(void) {
if(get_config_word(&cfgMagic)==MAGIC) {
hscale= get_config_float(&cfgHScale);
hoffset= get_config_float(&cfgHOffset);
usfoffset= get_config_float(&cfgUSFOffset);
usfheight= get_config_float(&cfgUSFHeight);
} else {
set_hconfig(HSCALE_DEFAULT, HOFFSET_DEFAULT);
set_usfconfig(USFOFFSET_DEFAULT, USFHEIGHT_DEFAULT);
set_config_word(&cfgMagic, MAGIC);
}
}
cmd_rec *pr_parser_parse_line(pool *p, const char *text, size_t text_len) {
register unsigned int i;
char *arg = "", *ptr, *word = NULL;
cmd_rec *cmd = NULL;
pool *sub_pool = NULL;
array_header *arr = NULL;
if (p == NULL ||
text == NULL) {
errno = EINVAL;
return NULL;
}
if (text_len == 0) {
text_len = strlen(text);
}
if (text_len == 0) {
errno = ENOENT;
return NULL;
}
ptr = (char *) text;
/* Build a new pool for the command structure and array */
sub_pool = make_sub_pool(p);
pr_pool_tag(sub_pool, "parser cmd subpool");
cmd = pcalloc(sub_pool, sizeof(cmd_rec));
cmd->pool = sub_pool;
cmd->stash_index = -1;
cmd->stash_hash = 0;
/* Add each word to the array */
arr = make_array(cmd->pool, 4, sizeof(char **));
while ((word = pr_str_get_word(&ptr, 0)) != NULL) {
char *ptr2;
pr_signals_handle();
ptr2 = get_config_word(cmd->pool, word);
*((char **) push_array(arr)) = ptr2;
cmd->argc++;
}
/* Terminate the array with a NULL. */
*((char **) push_array(arr)) = NULL;
/* The array header's job is done, we can forget about it and
* it will get purged when the command's pool is destroyed.
*/
cmd->argv = (void **) arr->elts;
/* Perform a fixup on configuration directives so that:
*
* -argv[0]-- -argv[1]-- ----argv[2]-----
* <Option /etc/adir /etc/anotherdir>
*
* becomes:
*
* -argv[0]-- -argv[1]- ----argv[2]----
* <Option> /etc/adir /etc/anotherdir
*/
if (cmd->argc &&
*((char *) cmd->argv[0]) == '<') {
char *cp;
size_t cp_len;
cp = cmd->argv[cmd->argc-1];
cp_len = strlen(cp);
if (*(cp + cp_len-1) == '>' &&
cmd->argc > 1) {
if (strncmp(cp, ">", 2) == 0) {
cmd->argv[cmd->argc-1] = NULL;
cmd->argc--;
} else {
*(cp + cp_len-1) = '\0';
}
cp = cmd->argv[0];
cp_len = strlen(cp);
if (*(cp + cp_len-1) != '>') {
cmd->argv[0] = pstrcat(cmd->pool, cp, ">", NULL);
}
}
}
if (cmd->argc < 2) {
arg = pstrdup(cmd->pool, arg);
}
for (i = 1; i < cmd->argc; i++) {
arg = pstrcat(cmd->pool, arg, *arg ? " " : "", cmd->argv[i], NULL);
}
cmd->arg = arg;
return cmd;
}
cmd_rec *pr_parser_parse_line(pool *p) {
register unsigned int i;
char buf[PR_TUNABLE_BUFFER_SIZE+1], *arg = "", *word = NULL;
cmd_rec *cmd = NULL;
pool *sub_pool = NULL;
array_header *arr = NULL;
if (p == NULL) {
errno = EINVAL;
return NULL;
}
memset(buf, '\0', sizeof(buf));
while (pr_parser_read_line(buf, sizeof(buf)-1) != NULL) {
char *bufp = buf;
pr_signals_handle();
/* Build a new pool for the command structure and array */
sub_pool = make_sub_pool(p);
pr_pool_tag(sub_pool, "parser cmd subpool");
cmd = pcalloc(sub_pool, sizeof(cmd_rec));
cmd->pool = sub_pool;
cmd->stash_index = -1;
cmd->stash_hash = 0;
/* Add each word to the array */
arr = make_array(cmd->pool, 4, sizeof(char **));
while ((word = pr_str_get_word(&bufp, 0)) != NULL) {
char *tmp;
tmp = get_config_word(cmd->pool, word);
*((char **) push_array(arr)) = tmp;
cmd->argc++;
}
/* Terminate the array with a NULL. */
*((char **) push_array(arr)) = NULL;
/* The array header's job is done, we can forget about it and
* it will get purged when the command's pool is destroyed.
*/
cmd->argv = (char **) arr->elts;
/* Perform a fixup on configuration directives so that:
*
* -argv[0]-- -argv[1]-- ----argv[2]-----
* <Option /etc/adir /etc/anotherdir>
*
* becomes:
*
* -argv[0]-- -argv[1]- ----argv[2]----
* <Option> /etc/adir /etc/anotherdir
*/
if (cmd->argc &&
*(cmd->argv[0]) == '<') {
char *cp = cmd->argv[cmd->argc-1];
if (*(cp + strlen(cp)-1) == '>' &&
cmd->argc > 1) {
if (strncmp(cp, ">", 2) == 0) {
cmd->argv[cmd->argc-1] = NULL;
cmd->argc--;
} else {
*(cp + strlen(cp)-1) = '\0';
}
cp = cmd->argv[0];
if (*(cp + strlen(cp)-1) != '>') {
cmd->argv[0] = pstrcat(cmd->pool, cp, ">", NULL);
}
}
}
if (cmd->argc < 2) {
arg = pstrdup(cmd->pool, arg);
}
for (i = 1; i < cmd->argc; i++) {
arg = pstrcat(cmd->pool, arg, *arg ? " " : "", cmd->argv[i], NULL);
}
cmd->arg = arg;
return cmd;
}
return NULL;
}
