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test: add support for big integers 

Signed-off-by: Mattias Andrée <maandree@kth.se>
This commit is contained in:
Mattias Andrée 2016-03-25 00:18:03 +01:00 committed by sin
parent 1ea414e300
commit 35a114acd5
1 changed files with 44 additions and 7 deletions
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51
test.c
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@ -1,11 +1,48 @@
/* See LICENSE file for copyright and license details. */
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/stat.h>
#include "util.h"
#define STOI(s) enstrtonum(2, s, LLONG_MIN, LLONG_MAX)
static int
intcmp(char *a, char *b)
{
char *s;
int asign = *a == '-' ? -1 : 1;
int bsign = *b == '-' ? -1 : 1;
int ret;
if (*a == '-' || *a == '+') a += 1;
if (*b == '-' || *b == '+') b += 1;
if (!*a || !*b)
goto noint;
for (s = a; *s; s++)
if (!isdigit(*s))
goto noint;
for (s = b; *s; s++)
if (!isdigit(*s))
goto noint;
while (*a == '0') a++;
while (*b == '0') b++;
asign *= !!*a;
bsign *= !!*b;
if (asign != bsign)
return asign < bsign ? -1 : 1;
else if (strlen(a) != strlen(b))
return asign * (strlen(a) < strlen(b) ? -1 : 1);
else
return asign * strcmp(a, b);
noint:
enprintf(2, "expected integer operands\n");
return 0; /* not reached */
}
static int
mtimecmp(struct stat *buf1, struct stat *buf2)
@ -44,12 +81,12 @@ static int unary_t(char *s) { int fd = enstrtonum(2, s, 0, INT_MAX); return isat
static int binary_se(char *s1, char *s2) { return !strcmp(s1, s2); }
static int binary_sn(char *s1, char *s2) { return strcmp(s1, s2); }
static int binary_eq(char *s1, char *s2) { long long a = STOI(s1), b = STOI(s2); return a == b; }
static int binary_ne(char *s1, char *s2) { long long a = STOI(s1), b = STOI(s2); return a != b; }
static int binary_gt(char *s1, char *s2) { long long a = STOI(s1), b = STOI(s2); return a > b; }
static int binary_ge(char *s1, char *s2) { long long a = STOI(s1), b = STOI(s2); return a >= b; }
static int binary_lt(char *s1, char *s2) { long long a = STOI(s1), b = STOI(s2); return a < b; }
static int binary_le(char *s1, char *s2) { long long a = STOI(s1), b = STOI(s2); return a <= b; }
static int binary_eq(char *s1, char *s2) { return intcmp(s1, s2) == 0; }
static int binary_ne(char *s1, char *s2) { return intcmp(s1, s2) != 0; }
static int binary_gt(char *s1, char *s2) { return intcmp(s1, s2) > 0; }
static int binary_ge(char *s1, char *s2) { return intcmp(s1, s2) >= 0; }
static int binary_lt(char *s1, char *s2) { return intcmp(s1, s2) < 0; }
static int binary_le(char *s1, char *s2) { return intcmp(s1, s2) <= 0; }
static int
binary_ef(char *s1, char *s2)