// S : tags   libc c
// S : expect --result valid
// S : cc     -o test.bc -D_PDCLIB_BUILD -DTEST $file
// S : verify -o nofail:malloc test.bc

#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <stdint.h>
#include "_PDCLIB_test.h"
#include <errno.h>

int main( void )
{
#ifndef REGTEST
    const char * p;
    char test[] = "123_";
    char fail[] = "xxx";
    char sign = '-';
    /* basic functionality */
    p = test;
    errno = 0;
    TESTCASE( _PDCLIB_strtox_main( &p, 10u, (uintmax_t)999, (uintmax_t)12, 3, &sign ) == 123 );
    TESTCASE( errno == 0 );
    TESTCASE( p == &test[3] );
    /* proper functioning to smaller base */
    p = test;
    TESTCASE( _PDCLIB_strtox_main( &p, 8u, (uintmax_t)999, (uintmax_t)12, 3, &sign ) == 0123 );
    TESTCASE( errno == 0 );
    TESTCASE( p == &test[3] );
    /* overflowing subject sequence must still return proper endptr */
    p = test;
    TESTCASE( _PDCLIB_strtox_main( &p, 4u, (uintmax_t)999, (uintmax_t)1, 2, &sign ) == 999 );
    TESTCASE( errno == ERANGE );
    TESTCASE( p == &test[3] );
    TESTCASE( sign == '+' );
    /* testing conversion failure */
    errno = 0;
    p = fail;
    sign = '-';
    TESTCASE( _PDCLIB_strtox_main( &p, 10u, (uintmax_t)999, (uintmax_t)99, 8, &sign ) == 0 );
    TESTCASE( p == NULL );
#endif
    return TEST_RESULTS;
}