static void strtol_func() {
/* Without integner prefix(e.g. 0x, 0b...) */
char text[1024] = "12345670qwert\0";
char text2[1024] = "qwert12345670qwert\0";
char text3[1024] = "qwert12345670\0";
char* non_intger;
long int rtn = 0;
int base = 0;
/* base 0 */
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 12345670);
assert_memory_equal(non_intger, text + 8, strlen(text + 8));
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 12345670);
// assert_memory_equal(non_intger, text2 + 8, strlen(text2 + 8));
//
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 12345670);
// assert_memory_equal(non_intger, text3 + 8, strlen(text3 + 8));
/* base 8 */
base = 8;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 012345670);
assert_memory_equal(non_intger, text + 8, strlen(text + 8));
// base = 8;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 012345670);
// assert_memory_equal(non_intger, text2 + 8, strlen(text2 + 8));
//
// base = 8;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 012345670);
// assert_memory_equal(non_intger, text3 + 8, strlen(text3 + 8));
/* base 10 */
base = 10;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 12345670);
assert_memory_equal(non_intger, text + 8, strlen(text + 8));
// base = 10;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 12345670);
// assert_memory_equal(non_intger, text2 + 8, strlen(text2 + 8));
//
// base = 10;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 12345670);
// assert_memory_equal(non_intger, text3 + 8, strlen(text3 + 8));
/* base 16 */
base = 16;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 0x12345670);
assert_memory_equal(non_intger, text + 8, strlen(text + 8));
// base = 16;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text2 + 8, strlen(text2 + 8));
//
// base = 16;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text3 + 8, strlen(text3 + 8));
/* With prefix 0(octet)*/
memset(text, 0, 1024);
strncpy(text, "012345670qwert", strlen("012345670qwert"));
// memset(text2, 0, 1024);
// strncpy(text2, "qwert012345670qwert", strlen("qwert012345670qwert"));
//
// memset(text, 0, 1024);
// strncpy(text, "qwert012345670", strlen("qwert012345670"));
/* base 0 */
base = 0;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 012345670);
assert_memory_equal(non_intger, text + 9, strlen(text + 9));
// base = 0;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 012345670);
// assert_memory_equal(non_intger, text2 + 9, strlen(text2 + 9));
//
// base = 0;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 012345670);
// assert_memory_equal(non_intger, text3 + 9, strlen(text3 + 9));
/* base 8 */
base = 8;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 012345670);
assert_memory_equal(non_intger, text + 9, strlen(text + 9));
// base = 8;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 012345670);
// assert_memory_equal(non_intger, text2 + 9, strlen(text2 + 9));
//
// base = 8;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 012345670);
// assert_memory_equal(non_intger, text3 + 9, strlen(text3 + 9));
/* base 10 */
base = 10;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 12345670);
assert_memory_equal(non_intger, text + 9, strlen(text + 9));
// base = 10;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 12345670);
// assert_memory_equal(non_intger, text2 + 9, strlen(text2 + 9));
//
// base = 10;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 12345670);
// assert_memory_equal(non_intger, text3 + 9, strlen(text3 + 9));
/* base 16 */
base = 16;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 0x12345670);
assert_memory_equal(non_intger, text + 9, strlen(text + 9));
// base = 16;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text2 + 9, strlen(text2 + 9));
//
// base = 16;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text3 + 9, strlen(text3 + 9));
/* With prefix 0x(hex)*/
memset(text, 0, 1024);
strncpy(text, "0x12345670qwert", strlen("0x12345670qwert"));
// memset(text2, 0, 1024);
// strncpy(text2, "qwert0x12345670qwert", strlen("qwert0x12345670qwert"));
//
// memset(text3, 0, 1024);
// strncpy(text3, "qwert0x12345670", strlen("qwert0x12345670qwert"));
/* base 0 */
base = 0;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 0x12345670);
assert_memory_equal(non_intger, text + 10, strlen(text + 10));
// base = 0;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text2 + 10, strlen(text2 + 10));
//
// base = 0;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text3 + 10, strlen(text3 + 10));
/* base 8 */
base = 8;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 0);
assert_memory_equal(non_intger, text + 1, strlen(text + 1));
// base = 8;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 0);
// assert_memory_equal(non_intger, text2 + 1, strlen(text2 + 1));
//
// base = 8;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 0);
// assert_memory_equal(non_intger, text3 + 1, strlen(text3 + 1));
/* base 10 */
base = 10;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 0);
assert_memory_equal(non_intger, text + 1, strlen(text + 1));
// base = 10;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 0);
// assert_memory_equal(non_intger, text2 + 1, strlen(text2 + 1));
//
// base = 10;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 0);
// assert_memory_equal(non_intger, text3 + 1, strlen(text3 + 1));
/* base 16 */
base = 16;
rtn = __strtol(text, &non_intger, base);
assert_int_equal(rtn, 0x12345670);
assert_memory_equal(non_intger, text + 10, strlen(text + 10));
// base = 16;
// rtn = __strtol(text2, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text2 + 10, strlen(text + 10));
//
// base = 16;
// rtn = __strtol(text3, &non_intger, base);
// assert_int_equal(rtn, 0x12345670);
// assert_memory_equal(non_intger, text3 + 10, strlen(text + 10));
}
strtol_error
__xstrtol (const char *s, char **ptr, int strtol_base,
__strtol_t *val, const char *valid_suffixes)
{
char *t_ptr;
char **p;
__strtol_t tmp;
strtol_error err = LONGINT_OK;
assert (0 <= strtol_base && strtol_base <= 36);
p = (ptr ? ptr : &t_ptr);
if (! TYPE_SIGNED (__strtol_t))
{
const char *q = s;
unsigned char ch = *q;
while (isspace (ch))
ch = *++q;
if (ch == '-')
return LONGINT_INVALID;
}
errno = 0;
tmp = __strtol (s, p, strtol_base);
if (*p == s)
{
/* If there is no number but there is a valid suffix, assume the
number is 1. The string is invalid otherwise. */
if (valid_suffixes && **p && strchr (valid_suffixes, **p))
tmp = 1;
else
return LONGINT_INVALID;
}
else if (errno != 0)
{
if (errno != ERANGE)
return LONGINT_INVALID;
err = LONGINT_OVERFLOW;
}
/* Let valid_suffixes == NULL mean `allow any suffix'. */
/* FIXME: update all callers except the ones that allow suffixes
after the number, changing last parameter NULL to `""'. */
if (!valid_suffixes)
{
*val = tmp;
return err;
}
if (**p != '\0')
{
int base = 1024;
int suffixes = 1;
strtol_error overflow;
if (!strchr (valid_suffixes, **p))
{
*val = tmp;
return err | LONGINT_INVALID_SUFFIX_CHAR;
}
if (strchr (valid_suffixes, '0'))
{
/* The ``valid suffix'' '0' is a special flag meaning that
an optional second suffix is allowed, which can change
the base. A suffix "B" (e.g. "100MB") stands for a power
of 1000, whereas a suffix "iB" (e.g. "100MiB") stands for
a power of 1024. If no suffix (e.g. "100M"), assume
power-of-1024. */
switch (p[0][1])
{
case 'i':
if (p[0][2] == 'B')
suffixes += 2;
break;
case 'B':
case 'D': /* 'D' is obsolescent */
base = 1000;
suffixes++;
break;
}
}
switch (**p)
{
case 'b':
overflow = bkm_scale (&tmp, 512);
break;
case 'B':
overflow = bkm_scale (&tmp, 1024);
break;
case 'c':
overflow = 0;
break;
case 'E': /* exa or exbi */
overflow = bkm_scale_by_power (&tmp, base, 6);
break;
case 'G': /* giga or gibi */
case 'g': /* 'g' is undocumented; for compatibility only */
overflow = bkm_scale_by_power (&tmp, base, 3);
break;
case 'k': /* kilo */
case 'K': /* kibi */
overflow = bkm_scale_by_power (&tmp, base, 1);
break;
case 'M': /* mega or mebi */
case 'm': /* 'm' is undocumented; for compatibility only */
overflow = bkm_scale_by_power (&tmp, base, 2);
break;
case 'P': /* peta or pebi */
overflow = bkm_scale_by_power (&tmp, base, 5);
break;
case 'T': /* tera or tebi */
case 't': /* 't' is undocumented; for compatibility only */
overflow = bkm_scale_by_power (&tmp, base, 4);
break;
case 'w':
overflow = bkm_scale (&tmp, 2);
break;
case 'Y': /* yotta or 2**80 */
overflow = bkm_scale_by_power (&tmp, base, 8);
break;
case 'Z': /* zetta or 2**70 */
overflow = bkm_scale_by_power (&tmp, base, 7);
break;
default:
*val = tmp;
return err | LONGINT_INVALID_SUFFIX_CHAR;
}
err |= overflow;
*p += suffixes;
if (**p)
err |= LONGINT_INVALID_SUFFIX_CHAR;
}
*val = tmp;
return err;
}
strtol_error
__xstrtol (const char *s, char **ptr, int strtol_base,
__strtol_t *val, const char *valid_suffixes)
{
char *t_ptr;
char **p;
__strtol_t tmp;
assert (0 <= strtol_base && strtol_base <= 36);
p = (ptr ? ptr : &t_ptr);
if (! TYPE_SIGNED (__strtol_t))
{
const char *q = s;
while (ISSPACE ((unsigned char) *q))
++q;
if (*q == '-')
return LONGINT_INVALID;
}
errno = 0;
tmp = __strtol (s, p, strtol_base);
if (errno != 0)
return LONGINT_OVERFLOW;
if (*p == s)
return LONGINT_INVALID;
/* Let valid_suffixes == NULL mean `allow any suffix'. */
/* FIXME: update all callers except the ones that allow suffixes
after the number, changing last parameter NULL to `""'. */
if (!valid_suffixes)
{
*val = tmp;
return LONGINT_OK;
}
if (**p != '\0')
{
int base = 1024;
int suffixes = 1;
int overflow;
if (!strchr (valid_suffixes, **p))
{
*val = tmp;
return LONGINT_INVALID_SUFFIX_CHAR;
}
if (strchr (valid_suffixes, '0'))
{
/* The ``valid suffix'' '0' is a special flag meaning that
an optional second suffix is allowed, which can change
the base, e.g. "100MD" for 100 megabytes decimal. */
switch (p[0][1])
{
case 'B':
suffixes++;
break;
case 'D':
base = 1000;
suffixes++;
break;
}
}
switch (**p)
{
case 'b':
overflow = bkm_scale (&tmp, 512);
break;
case 'B':
overflow = bkm_scale (&tmp, 1024);
break;
case 'c':
overflow = 0;
break;
case 'E': /* Exa */
overflow = bkm_scale_by_power (&tmp, base, 6);
break;
case 'G': /* Giga */
overflow = bkm_scale_by_power (&tmp, base, 3);
break;
case 'k': /* kilo */
overflow = bkm_scale_by_power (&tmp, base, 1);
break;
case 'M': /* Mega */
case 'm': /* 'm' is undocumented; for backward compatibility only */
overflow = bkm_scale_by_power (&tmp, base, 2);
break;
case 'P': /* Peta */
overflow = bkm_scale_by_power (&tmp, base, 5);
break;
case 'T': /* Tera */
overflow = bkm_scale_by_power (&tmp, base, 4);
break;
case 'w':
overflow = bkm_scale (&tmp, 2);
break;
case 'Y': /* Yotta */
overflow = bkm_scale_by_power (&tmp, base, 8);
break;
case 'Z': /* Zetta */
overflow = bkm_scale_by_power (&tmp, base, 7);
break;
default:
*val = tmp;
return LONGINT_INVALID_SUFFIX_CHAR;
break;
}
if (overflow)
return LONGINT_OVERFLOW;
(*p) += suffixes;
}
*val = tmp;
return LONGINT_OK;
}
