int
xmemcoll (char *s1, size_t s1len, char *s2, size_t s2len)
{
int diff = memcoll (s1, s1len, s2, s2len);
int collation_errno = errno;
if (collation_errno)
collate_error (collation_errno, s1, s1len, s2, s2len);
return diff;
}
int
xmemcoll (char *s1, size_t s1len, char *s2, size_t s2len)
{
int diff = memcoll (s1, s1len, s2, s2len);
int collation_errno = errno;
if (collation_errno)
{
error (0, collation_errno, _("string comparison failed"));
error (0, 0, _("Set LC_ALL='C' to work around the problem."));
error (xmemcoll_exit_failure, 0,
_("The strings compared were %s and %s."),
quotearg_n_style_mem (0, locale_quoting_style, s1, s1len),
quotearg_n_style_mem (1, locale_quoting_style, s2, s2len));
}
return diff;
}
int
mbmemcasecoll (const char *s1, size_t s1len, const char *s2, size_t s2len,
bool hard_LC_COLLATE)
{
char *t1;
size_t t1len;
char *t2;
size_t t2len;
char *memory;
int cmp;
if (MB_CUR_MAX > 1)
{
/* Application of towlower grows each character by a factor 2
at most. */
t1len = 2 * s1len;
t2len = 2 * s2len;
}
else
{
/* Application of tolower doesn't change the size. */
t1len = s1len;
t2len = s2len;
}
/* Allocate memory for t1 and t2. */
memory = (char *) malloca (t1len + 1 + t2len + 1);
if (memory == NULL)
{
errno = ENOMEM;
return 0;
}
t1 = memory;
t2 = memory + t1len + 1;
/* Csae-fold the two argument strings. */
if (MB_CUR_MAX > 1)
{
t1len = apply_towlower (s1, s1len, t1, t1len);
t2len = apply_towlower (s2, s2len, t2, t2len);
}
else
{
apply_tolower (s1, t1, s1len);
apply_tolower (s2, t2, s2len);
}
/* Compare the two case-folded strings. */
if (hard_LC_COLLATE)
cmp = memcoll (t1, t1len, t2, t2len);
else
{
cmp = memcmp2 (t1, t1len, t2, t2len);
errno = 0;
}
{
int saved_errno = errno;
freea (memory);
errno = saved_errno;
}
return cmp;
}
