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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 <strings.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[] = | |
{ | |
#if ~0UL == 0xffffffff | |
/* First, signed numbers. */ | |
{ " -17", -17, 0, 0, 0 }, | |
{ " +0x123fg", 0x123f, 0, 'g', 0 }, | |
{ "2147483647", 2147483647, 0, 0, 0 }, | |
{ "2147483648", 2147483647, 0, 0, ERANGE }, | |
{ "214748364888", 2147483647, 0, 0, ERANGE }, | |
{ "2147483650", 2147483647, 0, 0, ERANGE }, | |
{ "-2147483649", 0x80000000, 0, 0, ERANGE }, | |
{ "-2147483648", 0x80000000, 0, 0, 0 }, | |
{ "0123", 0123, 0, 0, 0 }, | |
{ "0x1122334455z", 2147483647, 16, 'z', ERANGE }, | |
{ "0x0xc", 0, 0, 'x', 0 }, | |
{ "yz!", 34*36+35, 36, '!', 0 }, | |
{ NULL, 0, 0, 0, 0 }, | |
/* Then unsigned. */ | |
{ " 0", 0, 0, 0, 0 }, | |
{ "0xffffffffg", 0xffffffff, 0, 'g', 0 }, | |
{ "0xf1f2f3f4f5", 0xffffffff, 0, 0, ERANGE }, | |
{ "-0x123456789", 0, 0, 0, EINVAL }, | |
{ "-0xfedcba98", 0, 0, 0, EINVAL }, | |
{ NULL, 0, 0, 0, 0 }, | |
#else | |
/* assume 64 bit long... */ | |
/* First, signed numbers. */ | |
{ " -17", -17, 0, 0, 0 }, | |
{ " +0x123fg", 0x123f, 0, 'g', 0 }, | |
{ "2147483647", 2147483647, 0, 0, 0 }, | |
{ "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", -9223372036854775808, 0, 0, 0 }, | |
{ "-9223372036854775809", -9223372036854775808, 0, 0, ERANGE }, | |
{ "0123", 0123, 0, 0, 0 }, | |
{ "0x112233445566778899z", 9223372036854775807, 16, 'z', ERANGE }, | |
{ "0x0xc", 0, 0, 'x', 0 }, | |
{ "yz!", 34*36+35, 36, '!', 0 }, | |
{ NULL, 0, 0, 0, 0 }, | |
/* Then unsigned. */ | |
{ " 0", 0, 0, 0, 0 }, | |
{ "0xffffffffg", 0xffffffff, 0, 'g', 0 }, | |
{ "0xffffffffffffffffg", 0xffffffffffffffff, 0, 'g', 0 }, | |
{ "0xf1f2f3f4f5f6f7f8f9", 0xffffffffffffffff, 0, 0, ERANGE }, | |
{ "-0x123456789abcdef01", 0, 0, 0, EINVAL }, | |
{ "-0xfedcba987654321", 0, 0, 0, EINVAL }, | |
{ NULL, 0, 0, 0, 0 }, | |
#endif | |
}; | |
static void expand __P ((char *dst, int c)); | |
int | |
main (int argc, char ** argv) | |
{ | |
register const struct ltest *lt; | |
char *ep; | |
int status = 0; | |
for (lt = tests; lt->str != NULL; ++lt) | |
{ | |
register long int l; | |
errno = 0; | |
l = strtol(lt->str, &ep, lt->base); | |
printf("strtol(\"%s\", , %d) test %u", | |
lt->str, lt->base, (unsigned int) (lt - tests)); | |
if (l == (long int) lt->expect && *ep == lt->left && 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 (errno != lt->err) | |
printf(" errno %d (%s) instead of %d (%s)\n", | |
errno, strerror(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); | |
printf("strtoul(\"%s\", , %d) test %u", | |
lt->str, lt->base, (unsigned int) (lt - tests)); | |
if (ul == lt->expect && *ep == lt->left && 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 (errno != lt->err) | |
printf(" errno %d (%s) instead of %d (%s)\n", | |
errno, strerror(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); | |
} |