+\f/*
+** DEQUOTE_INIT -- initialize dequote map
+**
+** This is a no-op.
+**
+** Parameters:
+** map -- the internal map structure.
+** mapname -- the name of the mapl.
+** args -- arguments.
+**
+** Returns:
+** TRUE.
+*/
+
+bool
+dequote_init(map, mapname, args)
+ MAP *map;
+ char *mapname;
+ char *args;
+{
+ register char *p = args;
+
+ for (;;)
+ {
+ while (isascii(*p) && isspace(*p))
+ p++;
+ if (*p != '-')
+ break;
+ switch (*++p)
+ {
+ case 'a':
+ map->map_app = ++p;
+ break;
+ }
+ while (*p != '\0' && !(isascii(*p) && isspace(*p)))
+ p++;
+ if (*p != '\0')
+ *p = '\0';
+ }
+ if (map->map_app != NULL)
+ map->map_app = newstr(map->map_app);
+
+ return TRUE;
+}
+\f/*
+** DEQUOTE_MAP -- unquote an address
+**
+** Parameters:
+** map -- the internal map structure (ignored).
+** buf -- the buffer to dequote.
+** bufsiz -- the size of that buffer.
+** av -- arguments (ignored).
+** statp -- pointer to status out-parameter.
+**
+** Returns:
+** NULL -- if there were no quotes, or if the resulting
+** unquoted buffer would not be acceptable to prescan.
+** else -- The dequoted buffer.
+*/
+
+char *
+dequote_map(map, buf, bufsiz, av, statp)
+ MAP *map;
+ char buf[];
+ int bufsiz;
+ char **av;
+ int *statp;
+{
+ register char *p;
+ register char *q;
+ register char c;
+ int anglecnt;
+ int cmntcnt;
+ int quotecnt;
+ int spacecnt;
+ bool quotemode;
+ bool bslashmode;
+
+ anglecnt = 0;
+ cmntcnt = 0;
+ quotecnt = 0;
+ spacecnt = 0;
+ quotemode = FALSE;
+ bslashmode = FALSE;
+
+ for (p = q = buf; (c = *p++) != '\0'; )
+ {
+ if (bslashmode)
+ {
+ bslashmode = FALSE;
+ *q++ = c;
+ continue;
+ }
+
+ switch (c)
+ {
+ case '\\':
+ bslashmode = TRUE;
+ break;
+
+ case '(':
+ cmntcnt++;
+ break;
+
+ case ')':
+ if (cmntcnt-- <= 0)
+ return NULL;
+ break;
+
+ case ' ':
+ spacecnt++;
+ break;
+ }
+
+ if (cmntcnt > 0)
+ {
+ *q++ = c;
+ continue;
+ }
+
+ switch (c)
+ {
+ case '"':
+ quotemode = !quotemode;
+ quotecnt++;
+ continue;
+
+ case '<':
+ anglecnt++;
+ break;
+
+ case '>':
+ if (anglecnt-- <= 0)
+ return NULL;
+ break;
+ }
+ *q++ = c;
+ }
+
+ if (anglecnt != 0 || cmntcnt != 0 || bslashmode ||
+ quotemode || quotecnt <= 0 || spacecnt != 0)
+ return NULL;
+ *q++ = '\0';
+ return buf;
+}
projects / unix-history / blobdiff