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/* See LICENSE file for copyright and license details. */
#include "../libsyscalls.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(__clang__)
# pragma clang diagnostic ignored "-Wunsafe-buffer-usage" /* clang is just being silly */
#endif
int
main(int argc, char **argv)
{
int sign, neg = -1;
size_t bits;
const char *xval;
enum libsyscalls_error err;
unsigned long long int value;
char *end;
if (argc != 4) {
usage:
fprintf(stderr, "usage error\n");
return 1;
}
sign = atoi(argv[1]);
bits = (unsigned long long int)atoll(argv[2]);
xval = argv[3];
errno = 0;
value = strtoull(xval, &end, 16);
if (errno || *end)
goto usage;
err = libsyscalls_parse_signed_integer(value, (enum libsyscalls_datatype_sign_representation)sign, bits, &value, &neg);
if (err == LIBSYSCALLS_E_INVAL) {
printf("inval\n");
goto out;
} else if (err) {
fprintf(stderr, "parse-signed %s %s %s: ", argv[1], argv[2], argv[3]);
libsyscalls_perror(NULL, err);
return 1;
}
if (neg != 0 && neg != 1)
abort();
printf("%.*s%0*llX\n", neg, "-", (int)strlen(xval), value);
out:
if (fflush(stdout) || fclose(stdout)) {
perror(NULL);
return 1;
}
return 0;
}
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