31 # define ULONG_MAX ((unsigned long) ~(unsigned long) 0)
35 # define LONG_MAX ((long int) (ULONG_MAX >> 1))
40 #define BKM_SCALE(x, scale_factor, error_return) \
43 if ((x) > (double) __ZLONG_MAX / (scale_factor)) \
44 return (error_return); \
45 (x) *= (scale_factor); \
49 __unsigned long int __strtol ();
54 __xstrtol (s, ptr, base, val, valid_suffixes)
58 __unsigned long int *val;
59 const char *valid_suffixes;
63 __unsigned long int tmp;
65 assert (0 <= base && base <= 36);
67 p = (ptr ? ptr : &t_ptr);
70 tmp = __strtol (s, p, base);
72 return LONGINT_OVERFLOW;
74 return LONGINT_INVALID;
83 return LONGINT_INVALID_SUFFIX_CHAR;
86 if (**p != '\0' && strchr (valid_suffixes, **p))
91 BKM_SCALE (tmp, 512, LONGINT_OVERFLOW);
101 BKM_SCALE (tmp, 1024, LONGINT_OVERFLOW);
106 BKM_SCALE (tmp, 1024 * 1024, LONGINT_OVERFLOW);
111 BKM_SCALE (tmp, 2, LONGINT_OVERFLOW);
116 return LONGINT_INVALID_SUFFIX_CHAR;
125 #ifdef TESTING_XSTRTO
133 main (int argc, char** argv)
138 program_name = argv[0];
139 for (i=1; i<argc; i++)
142 __unsigned long int val;
144 s_err = __xstrtol (argv[i], &p, 0, &val, "bckmw");
145 if (s_err == LONGINT_OK)
147 printf ("%s->%lu (%s)\n", argv[i], val, p);
151 STRTOL_FATAL_ERROR (argv[i], "arg", s_err);
156 #endif /* TESTING_XSTRTO */