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glibc/stdlib/tst-strtol.c
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/* My bet is this was written by Chris Torek. | |
I reformatted and ansidecl-ized it, and tweaked it a little. */ | |
#include <ctype.h> | |
#include <stdio.h> | |
#include <errno.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <limits.h> | |
struct ltest | |
{ | |
const char *str; /* Convert this. */ | |
unsigned long int expect; /* To get this. */ | |
int base; /* Use this base. */ | |
char left; /* With this left over. */ | |
int err; /* And this in errno. */ | |
}; | |
static const struct ltest tests[] = | |
{ | |
/* First, signed numbers: */ | |
/* simple... */ | |
{"123", 123, 0, 0, 0}, | |
{"+123", 123, 0, 0, 0}, | |
{" 123", 123, 0, 0, 0}, | |
{" 123 ", 123, 0, ' ', 0}, | |
{" -17", -17, 0, 0, 0}, | |
/* implicit base... */ | |
{"0123", 0123, 0, 0, 0}, | |
{"0123a", 0123, 0, 'a', 0}, | |
{"01239", 0123, 0, '9', 0}, | |
{"0x123", 0x123, 0, 0, 0}, | |
{"-0x123", -0x123, 0, 0, 0}, | |
{"0x0xc", 0, 0, 'x', 0}, | |
{" +0x123fg", 0x123f, 0, 'g', 0}, | |
/* explicit base... */ | |
{"123", 0x123, 16, 0, 0}, | |
{"0x123", 0x123, 16, 0, 0}, | |
{"123", 0123, 8, 0, 0}, | |
{"0123", 0123, 8, 0, 0}, | |
{"0123", 123, 10, 0, 0}, | |
{"0x123", 0, 10, 'x', 0}, | |
/* case insensitivity... */ | |
{"abcd", 0xabcd, 16, 0, 0}, | |
{"AbCd", 0xabcd, 16, 0, 0}, | |
{"0xABCD", 0xabcd, 16, 0, 0}, | |
{"0Xabcd", 0xabcd, 16, 0, 0}, | |
/* odd bases... */ | |
{"0xyz", 33 * 35 + 34, 35, 'z', 0}, | |
{"yz!", 34 * 36 + 35, 36, '!', 0}, | |
{"-yz", -(34*36 + 35), 36, 0, 0}, | |
{"GhI4", ((16*20 + 17)*20 + 18)*20 + 4, 20, 0, 0}, | |
/* extremes... */ | |
#if LONG_MAX == 0x7fffffff | |
{"2147483647", 2147483647, 0, 0, 0}, | |
{"2147483648", 2147483647, 0, 0, ERANGE}, | |
{"214748364888", 2147483647, 0, 0, ERANGE}, | |
{"2147483650", 2147483647, 0, 0, ERANGE}, | |
{"-2147483648", 0x80000000, 0, 0, 0}, | |
{"-2147483649", 0x80000000, 0, 0, ERANGE}, | |
{"0x1122334455z", 2147483647, 16, 'z', ERANGE}, | |
#else | |
{"9223372036854775807", 9223372036854775807, 0, 0, 0}, | |
{"9223372036854775808", 9223372036854775807, 0, 0, ERANGE}, | |
{"922337203685477580777", 9223372036854775807, 0, 0, ERANGE}, | |
{"9223372036854775810", 9223372036854775807, 0, 0, ERANGE}, | |
{"-2147483648", -2147483648, 0, 0, 0}, | |
{"-9223372036854775808", 0x8000000000000000, 0, 0, 0}, | |
{"-9223372036854775809", 0x8000000000000000, 0, 0, ERANGE}, | |
{"0x112233445566778899z", 9223372036854775807, 16, 'z', ERANGE}, | |
{"0xFFFFFFFFFFFF00FF" , 9223372036854775807, 0, 0, ERANGE}, | |
#endif | |
{NULL, 0, 0, 0, 0}, | |
/* Then unsigned. */ | |
{" 0", 0, 0, 0, 0}, | |
{"0xffffffffg", 0xffffffff, 0, 'g', 0}, | |
#if LONG_MAX == 0x7fffffff | |
{"-0xfedcba98", 0x01234568, 0, 0, 0}, | |
{"0xf1f2f3f4f5", 0xffffffff, 0, 0, ERANGE}, | |
{"-0x123456789", 0xffffffff, 0, 0, ERANGE}, | |
#else | |
{"0xffffffffffffffffg", 0xffffffffffffffff, 0, 'g', 0}, | |
{"-0xfedcba987654321", 0xf0123456789abcdf, 0, 0, 0}, | |
{"0xf1f2f3f4f5f6f7f8f9", 0xffffffffffffffff, 0, 0, ERANGE}, | |
{"-0x123456789abcdef01", 0xffffffffffffffff, 0, 0, ERANGE}, | |
#endif | |
{NULL, 0, 0, 0, 0}, | |
}; | |
/* Prototypes for local functions. */ | |
static void expand (char *dst, int c); | |
int | |
main (void) | |
{ | |
register const struct ltest *lt; | |
char *ep; | |
int status = 0; | |
int save_errno; | |
for (lt = tests; lt->str != NULL; ++lt) | |
{ | |
register long int l; | |
errno = 0; | |
l = strtol (lt->str, &ep, lt->base); | |
save_errno = errno; | |
printf ("strtol(\"%s\", , %d) test %u", | |
lt->str, lt->base, (unsigned int) (lt - tests)); | |
if (l == (long int) lt->expect && *ep == lt->left | |
&& save_errno == lt->err) | |
puts("\tOK"); | |
else | |
{ | |
puts("\tBAD"); | |
if (l != (long int) lt->expect) | |
printf(" returns %ld, expected %ld\n", | |
l, (long int) lt->expect); | |
if (lt->left != *ep) | |
{ | |
char exp1[5], exp2[5]; | |
expand (exp1, *ep); | |
expand (exp2, lt->left); | |
printf (" leaves '%s', expected '%s'\n", exp1, exp2); | |
} | |
if (save_errno != lt->err) | |
printf (" errno %d (%s) instead of %d (%s)\n", | |
save_errno, strerror (save_errno), | |
lt->err, strerror (lt->err)); | |
status = 1; | |
} | |
} | |
for (++lt; lt->str != NULL; lt++) | |
{ | |
register unsigned long int ul; | |
errno = 0; | |
ul = strtoul (lt->str, &ep, lt->base); | |
save_errno = errno; | |
printf ("strtoul(\"%s\", , %d) test %u", | |
lt->str, lt->base, (unsigned int) (lt - tests)); | |
if (ul == lt->expect && *ep == lt->left && save_errno == lt->err) | |
puts("\tOK"); | |
else | |
{ | |
puts ("\tBAD"); | |
if (ul != lt->expect) | |
printf (" returns %lu, expected %lu\n", | |
ul, lt->expect); | |
if (lt->left != *ep) | |
{ | |
char exp1[5], exp2[5]; | |
expand (exp1, *ep); | |
expand (exp2, lt->left); | |
printf (" leaves '%s', expected '%s'\n", exp1, exp2); | |
} | |
if (save_errno != lt->err) | |
printf (" errno %d (%s) instead of %d (%s)\n", | |
save_errno, strerror (save_errno), | |
lt->err, strerror (lt->err)); | |
status = 1; | |
} | |
} | |
exit (status ? EXIT_FAILURE : EXIT_SUCCESS); | |
} | |
static void | |
expand (dst, c) | |
char *dst; | |
int c; | |
{ | |
if (isprint (c)) | |
{ | |
dst[0] = c; | |
dst[1] = '\0'; | |
} | |
else | |
(void) sprintf (dst, "%#.3o", (unsigned int) c); | |
} |