char *parse_line(char *str, char *ltoken, int lsz)
{
char *sp = str;
char *ep, *p;
int len;
unescapestr(str);
uncommentstr(str);
while (*sp && isspace(*sp)) sp++;
if (!*sp || *sp == '#')
return NULL;
ep = sp + strlen(sp) - 1;
while (isspace(*ep) && ep >= sp) *ep-- = '\0';
if (*ep == '"' || *ep == '\'')
*ep = 0;
if (!(p = strchr(sp, '=')))
return NULL;
len = p - sp;
if (len >= lsz)
return NULL;
strncpy(ltoken, sp, len);
ltoken[len] = 0;
p++;
if (*p == '"' || *p == '\'' )
p++;
return p;
}
struct rfc822_header* rfc822_parse_stanza(FILE *file)
{
struct rfc822_header *head, **tail, *cur;
static size_t buflen = 8192;
static char *buf = NULL;
if (!buf) {
buf = malloc(buflen * sizeof *buf);
if (!buf)
DIE("Out of memory");
}
head = NULL;
tail = &head;
cur = NULL;
/* fprintf(stderr,"rfc822_parse_stanza(file)\n");*/
while (fgets(buf, buflen, file))
{
char *tmp;
size_t tmplen = strlen(buf);
if (*buf == '\n')
break;
while (buf[tmplen - 1] != '\n') {
buflen += 8192;
buf = realloc(buf, buflen * sizeof *buf);
if (!buf)
DIE("Out of memory");
if (!fgets(buf + tmplen, buflen - tmplen, file))
break;
tmplen += strlen(buf + tmplen);
}
CHOMP(buf);
tmp = buf;
if (isspace(*tmp))
{
/* continuation line, just append it */
int len;
if (cur == NULL)
break; /* should report an error here */
len = strlen(cur->value) + strlen(tmp) + 2;
cur->value = realloc(cur->value, len);
strvacat(cur->value, len, "\n", tmp, NULL);
}
else
{
while (*tmp != 0 && *tmp != ':')
tmp++;
*tmp++ = '\0';
cur = NEW(struct rfc822_header);
if (cur == NULL)
return NULL;
memset(cur, '\0',sizeof(struct rfc822_header));
cur->header = strdup(buf);
while (isspace(*tmp))
tmp++;
cur->value = strdup(unescapestr(tmp));
*tail = cur;
tail = &cur->next;
}
}
return head;
}
