/* The actual code to add aliases. */
static void
add_alias2 (const char *from, const char *to, const char *wp, void *modules)
{
/* Test whether this alias conflicts with any available module. */
if (detect_conflict (from))
/* It does conflict, don't add the alias. */
return;
struct gconv_alias *new_alias = (struct gconv_alias *)
malloc (sizeof (struct gconv_alias) + (wp - from));
if (new_alias != NULL)
{
void **inserted;
new_alias->fromname = memcpy ((char *) new_alias
+ sizeof (struct gconv_alias),
from, wp - from);
new_alias->toname = new_alias->fromname + (to - from);
inserted = (void **) __tsearch (new_alias, &__gconv_alias_db,
__gconv_alias_compare);
if (inserted == NULL || *inserted != new_alias)
/* Something went wrong, free this entry. */
free (new_alias);
}
}
/* Add new alias. */
static inline void
add_alias (char *rp, void *modules)
{
/* We now expect two more string. The strings are normalized
(converted to UPPER case) and strored in the alias database. */
struct gconv_alias *new_alias;
char *from, *to, *wp;
while (__isspace_l (*rp, &_nl_C_locobj))
++rp;
from = wp = rp;
while (*rp != '\0' && !__isspace_l (*rp, &_nl_C_locobj))
*wp++ = __toupper_l (*rp++, &_nl_C_locobj);
if (*rp == '\0')
/* There is no `to' string on the line. Ignore it. */
return;
*wp++ = '\0';
to = ++rp;
while (__isspace_l (*rp, &_nl_C_locobj))
++rp;
while (*rp != '\0' && !__isspace_l (*rp, &_nl_C_locobj))
*wp++ = __toupper_l (*rp++, &_nl_C_locobj);
if (to == wp)
/* No `to' string, ignore the line. */
return;
*wp++ = '\0';
/* Test whether this alias conflicts with any available module. */
if (detect_conflict (from))
/* It does conflict, don't add the alias. */
return;
new_alias = (struct gconv_alias *)
malloc (sizeof (struct gconv_alias) + (wp - from));
if (new_alias != NULL)
{
void **inserted;
new_alias->fromname = memcpy ((char *) new_alias
+ sizeof (struct gconv_alias),
from, wp - from);
new_alias->toname = new_alias->fromname + (to - from);
inserted = (void **) __tsearch (new_alias, &__gconv_alias_db,
__gconv_alias_compare);
if (inserted == NULL || *inserted != new_alias)
/* Something went wrong, free this entry. */
free (new_alias);
}
}