INT
INTERNAL (strtol) (const STRING_TYPE *nptr, STRING_TYPE **endptr,
int base, int group LOCALE_PARAM_PROTO)
{
int negative;
register unsigned LONG int cutoff;
register unsigned int cutlim;
register unsigned LONG int i;
register const STRING_TYPE *s;
register UCHAR_TYPE c;
const STRING_TYPE *save, *end;
int overflow;
#ifdef USE_NUMBER_GROUPING
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
struct locale_data *current = loc->__locales[LC_NUMERIC];
# endif
/* The thousands character of the current locale. */
wchar_t thousands = L'\0';
/* The numeric grouping specification of the current locale,
in the format described in <locale.h>. */
const char *grouping;
if (group)
{
grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
if (*grouping <= 0 || *grouping == CHAR_MAX)
grouping = NULL;
else
{
/* Figure out the thousands separator character. */
# if defined _LIBC || defined _HAVE_BTOWC
thousands = __btowc (*_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP));
if (thousands == WEOF)
thousands = L'\0';
# endif
if (thousands == L'\0')
grouping = NULL;
}
}
else
grouping = NULL;
#endif
if (base < 0 || base == 1 || base > 36)
{
__set_errno (EINVAL);
return 0;
}
save = s = nptr;
/* Skip white space. */
while (ISSPACE (*s))
++s;
if (*s == L_('\0'))
goto noconv;
/* Check for a sign. */
if (*s == L_('-'))
{
negative = 1;
++s;
}
else if (*s == L_('+'))
{
negative = 0;
++s;
}
else
negative = 0;
/* Recognize number prefix and if BASE is zero, figure it out ourselves. */
if (*s == L_('0'))
{
if ((base == 0 || base == 16) && TOUPPER (s[1]) == L_('X'))
{
s += 2;
base = 16;
}
else if (base == 0)
base = 8;
}
else if (base == 0)
base = 10;
/* Save the pointer so we can check later if anything happened. */
save = s;
#ifdef USE_NUMBER_GROUPING
if (group)
{
/* Find the end of the digit string and check its grouping. */
end = s;
for (c = *end; c != L_('\0'); c = *++end)
if ((wchar_t) c != thousands
&& ((wchar_t) c < L_('0') || (wchar_t) c > L_('9'))
&& (!ISALPHA (c) || (int) (TOUPPER (c) - L_('A') + 10) >= base))
break;
if (*s == thousands)
end = s;
else
end = correctly_grouped_prefix (s, end, thousands, grouping);
}
else
#endif
end = NULL;
cutoff = STRTOL_ULONG_MAX / (unsigned LONG int) base;
cutlim = STRTOL_ULONG_MAX % (unsigned LONG int) base;
overflow = 0;
i = 0;
for (c = *s; c != L_('\0'); c = *++s)
{
if (s == end)
break;
if (c >= L_('0') && c <= L_('9'))
c -= L_('0');
else if (ISALPHA (c))
c = TOUPPER (c) - L_('A') + 10;
else
break;
if ((int) c >= base)
break;
/* Check for overflow. */
if (i > cutoff || (i == cutoff && c > cutlim))
overflow = 1;
else
{
i *= (unsigned LONG int) base;
i += c;
}
}
/* Check if anything actually happened. */
if (s == save)
goto noconv;
/* Store in ENDPTR the address of one character
past the last character we converted. */
if (endptr != NULL)
*endptr = (STRING_TYPE *) s;
#if !UNSIGNED
/* Check for a value that is within the range of
`unsigned LONG int', but outside the range of `LONG int'. */
if (overflow == 0
&& i > (negative
? -((unsigned LONG int) (STRTOL_LONG_MIN + 1)) + 1
: (unsigned LONG int) STRTOL_LONG_MAX))
overflow = 1;
#endif
if (overflow)
{
__set_errno (ERANGE);
#if UNSIGNED
return STRTOL_ULONG_MAX;
#else
return negative ? STRTOL_LONG_MIN : STRTOL_LONG_MAX;
#endif
}
/* Return the result of the appropriate sign. */
return negative ? -i : i;
noconv:
/* We must handle a special case here: the base is 0 or 16 and the
first two characters are '0' and 'x', but the rest are no
hexadecimal digits. This is no error case. We return 0 and
ENDPTR points to the `x`. */
if (endptr != NULL)
{
if (save - nptr >= 2 && TOUPPER (save[-1]) == L_('X')
&& save[-2] == L_('0'))
*endptr = (STRING_TYPE *) &save[-1];
else
/* There was no number to convert. */
*endptr = (STRING_TYPE *) nptr;
}
return 0L;
}
static int
internal_function
internal_fnmatch (const char *pattern, const char *string, int no_leading_period, int flags)
{
register const char *p = pattern, *n = string;
register unsigned char c;
/* Note that this evaluates C many times. */
# ifdef _LIBC
# define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
# else
# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
# endif
while ((c = *p++) != '\0')
{
c = FOLD (c);
switch (c)
{
case '?':
if (*n == '\0')
return FNM_NOMATCH;
else if (*n == '/' && (flags & FNM_FILE_NAME))
return FNM_NOMATCH;
else if (*n == '.' && no_leading_period
&& (n == string
|| (n[-1] == '/' && (flags & FNM_FILE_NAME))))
return FNM_NOMATCH;
break;
case '\\':
if (!(flags & FNM_NOESCAPE))
{
c = *p++;
if (c == '\0')
/* Trailing \ loses. */
return FNM_NOMATCH;
c = FOLD (c);
}
if (FOLD ((unsigned char) *n) != c)
return FNM_NOMATCH;
break;
case '*':
if (*n == '.' && no_leading_period
&& (n == string
|| (n[-1] == '/' && (flags & FNM_FILE_NAME))))
return FNM_NOMATCH;
for (c = *p++; c == '?' || c == '*'; c = *p++)
{
if (*n == '/' && (flags & FNM_FILE_NAME))
/* A slash does not match a wildcard under FNM_FILE_NAME. */
return FNM_NOMATCH;
else if (c == '?')
{
/* A ? needs to match one character. */
if (*n == '\0')
/* There isn't another character; no match. */
return FNM_NOMATCH;
else
/* One character of the string is consumed in matching
this ? wildcard, so *??? won't match if there are
less than three characters. */
++n;
}
}
if (c == '\0')
/* The wildcard(s) is/are the last element of the pattern.
If the name is a file name and contains another slash
this does mean it cannot match. */
return ((flags & FNM_FILE_NAME) && strchr (n, '/') != NULL
? FNM_NOMATCH : 0);
else
{
const char *endp;
endp = __strchrnul (n, (flags & FNM_FILE_NAME) ? '/' : '\0');
if (c == '[')
{
int flags2 = ((flags & FNM_FILE_NAME)
? flags : (flags & ~FNM_PERIOD));
for (--p; n < endp; ++n)
if (internal_fnmatch (p, n,
(no_leading_period
&& (n == string
|| (n[-1] == '/'
&& (flags
& FNM_FILE_NAME)))),
flags2)
== 0)
return 0;
}
else if (c == '/' && (flags & FNM_FILE_NAME))
{
while (*n != '\0' && *n != '/')
++n;
if (*n == '/'
&& (internal_fnmatch (p, n + 1, flags & FNM_PERIOD,
flags) == 0))
return 0;
}
else
{
int flags2 = ((flags & FNM_FILE_NAME)
? flags : (flags & ~FNM_PERIOD));
if (c == '\\' && !(flags & FNM_NOESCAPE))
c = *p;
c = FOLD (c);
for (--p; n < endp; ++n)
if (FOLD ((unsigned char) *n) == c
&& (internal_fnmatch (p, n,
(no_leading_period
&& (n == string
|| (n[-1] == '/'
&& (flags
& FNM_FILE_NAME)))),
flags2) == 0))
return 0;
}
}
/* If we come here no match is possible with the wildcard. */
return FNM_NOMATCH;
case '[':
{
/* Nonzero if the sense of the character class is inverted. */
static int posixly_correct;
register int not;
char cold;
if (posixly_correct == 0)
posixly_correct = getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1;
if (*n == '\0')
return FNM_NOMATCH;
if (*n == '.' && no_leading_period && (n == string
|| (n[-1] == '/'
&& (flags
& FNM_FILE_NAME))))
return FNM_NOMATCH;
if (*n == '/' && (flags & FNM_FILE_NAME))
/* `/' cannot be matched. */
return FNM_NOMATCH;
not = (*p == '!' || (posixly_correct < 0 && *p == '^'));
if (not)
++p;
c = *p++;
for (;;)
{
unsigned char fn = FOLD ((unsigned char) *n);
if (!(flags & FNM_NOESCAPE) && c == '\\')
{
if (*p == '\0')
return FNM_NOMATCH;
c = FOLD ((unsigned char) *p);
++p;
if (c == fn)
goto matched;
}
else if (c == '[' && *p == ':')
{
/* Leave room for the null. */
char str[CHAR_CLASS_MAX_LENGTH + 1];
size_t c1 = 0;
# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
wctype_t wt;
# endif
const char *startp = p;
for (;;)
{
if (c1 > CHAR_CLASS_MAX_LENGTH)
/* The name is too long and therefore the pattern
is ill-formed. */
return FNM_NOMATCH;
c = *++p;
if (c == ':' && p[1] == ']')
{
p += 2;
break;
}
if (c < 'a' || c >= 'z')
{
/* This cannot possibly be a character class name.
Match it as a normal range. */
p = startp;
c = '[';
goto normal_bracket;
}
str[c1++] = c;
}
str[c1] = '\0';
# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
wt = IS_CHAR_CLASS (str);
if (wt == 0)
/* Invalid character class name. */
return FNM_NOMATCH;
if (__iswctype (__btowc ((unsigned char) *n), wt))
goto matched;
# else
if ((STREQ (str, "alnum") && ISALNUM ((unsigned char) *n))
|| (STREQ (str, "alpha") && ISALPHA ((unsigned char) *n))
|| (STREQ (str, "blank") && ISBLANK ((unsigned char) *n))
|| (STREQ (str, "cntrl") && ISCNTRL ((unsigned char) *n))
|| (STREQ (str, "digit") && ISDIGIT ((unsigned char) *n))
|| (STREQ (str, "graph") && ISGRAPH ((unsigned char) *n))
|| (STREQ (str, "lower") && ISLOWER ((unsigned char) *n))
|| (STREQ (str, "print") && ISPRINT ((unsigned char) *n))
|| (STREQ (str, "punct") && ISPUNCT ((unsigned char) *n))
|| (STREQ (str, "space") && ISSPACE ((unsigned char) *n))
|| (STREQ (str, "upper") && ISUPPER ((unsigned char) *n))
|| (STREQ (str, "xdigit") && ISXDIGIT ((unsigned char) *n)))
goto matched;
# endif
}
else if (c == '\0')
/* [ (unterminated) loses. */
return FNM_NOMATCH;
else
{
normal_bracket:
if (FOLD (c) == fn)
goto matched;
cold = c;
c = *p++;
if (c == '-' && *p != ']')
{
/* It is a range. */
unsigned char cend = *p++;
if (!(flags & FNM_NOESCAPE) && cend == '\\')
cend = *p++;
if (cend == '\0')
return FNM_NOMATCH;
if (cold <= fn && fn <= FOLD (cend))
goto matched;
c = *p++;
}
}
if (c == ']')
break;
}
if (!not)
return FNM_NOMATCH;
break;
matched:
/* Skip the rest of the [...] that already matched. */
while (c != ']')
{
if (c == '\0')
/* [... (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
if (!(flags & FNM_NOESCAPE) && c == '\\')
{
if (*p == '\0')
return FNM_NOMATCH;
/* XXX 1003.2d11 is unclear if this is right. */
++p;
}
else if (c == '[' && *p == ':')
{
do
if (*++p == '\0')
return FNM_NOMATCH;
while (*p != ':' || p[1] == ']');
p += 2;
c = *p;
}
}
if (not)
return FNM_NOMATCH;
}
break;
default:
if (c != FOLD ((unsigned char) *n))
return FNM_NOMATCH;
}
++n;
}
if (*n == '\0')
return 0;
if ((flags & FNM_LEADING_DIR) && *n == '/')
/* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
return 0;
return FNM_NOMATCH;
# undef FOLD
}
