compiled newlib, need to hook up the system calls

This commit is contained in:
2026-06-28 17:58:58 -05:00
parent 43bc0df81a
commit 97357f3170
337 changed files with 47955 additions and 114 deletions

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/* imaxabs( intmax_t )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <inttypes.h>
#ifndef REGTEST
intmax_t imaxabs( intmax_t j )
{
return ( j >= 0 ) ? j : -j;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
#include <limits.h>
int main( void )
{
TESTCASE( imaxabs( ( intmax_t )0 ) == 0 );
TESTCASE( imaxabs( INTMAX_MAX ) == INTMAX_MAX );
TESTCASE( imaxabs( INTMAX_MIN + 1 ) == -( INTMAX_MIN + 1 ) );
return TEST_RESULTS;
}
#endif

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/* lldiv( long long int, long long int )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <inttypes.h>
#ifndef REGTEST
imaxdiv_t imaxdiv( intmax_t numer, intmax_t denom )
{
imaxdiv_t rc;
rc.quot = numer / denom;
rc.rem = numer % denom;
return rc;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
imaxdiv_t result;
result = imaxdiv( ( intmax_t )5, ( intmax_t )2 );
TESTCASE( result.quot == 2 && result.rem == 1 );
result = imaxdiv( ( intmax_t )-5, ( intmax_t )2 );
TESTCASE( result.quot == -2 && result.rem == -1 );
result = imaxdiv( ( intmax_t )5, ( intmax_t )-2 );
TESTCASE( result.quot == -2 && result.rem == 1 );
TESTCASE( sizeof( result.quot ) == sizeof( intmax_t ) );
TESTCASE( sizeof( result.rem ) == sizeof( intmax_t ) );
return TEST_RESULTS;
}
#endif

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/* strtoimax( const char *, char **, int )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <limits.h>
#include <inttypes.h>
#ifndef REGTEST
#include <stddef.h>
intmax_t strtoimax( const char * _PDCLIB_restrict nptr, char ** _PDCLIB_restrict endptr, int base )
{
intmax_t rc;
char sign = '+';
const char * p = _PDCLIB_strtox_prelim( nptr, &sign, &base );
if ( base < 2 || base > 36 )
{
return 0;
}
if ( sign == '+' )
{
rc = ( intmax_t )_PDCLIB_strtox_main( &p, ( unsigned )base, ( uintmax_t )INTMAX_MAX, ( uintmax_t )INTMAX_MAX, &sign );
}
else
{
rc = ( intmax_t )_PDCLIB_strtox_main( &p, ( unsigned )base, ( uintmax_t )INTMAX_MIN, ( ( uintmax_t )INTMAX_MAX + 1 ), &sign );
}
if ( endptr != NULL )
{
*endptr = ( p != NULL ) ? ( char * ) p : ( char * ) nptr;
}
return ( sign == '+' ) ? rc : -rc;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
#include <errno.h>
int main( void )
{
char * endptr;
/* this, to base 36, overflows even a 256 bit integer */
char overflow[] = "-ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ_";
/* tricky border case */
char tricky[] = "+0xz";
errno = 0;
/* basic functionality */
TESTCASE( strtoimax( "123", NULL, 10 ) == 123 );
/* proper detecting of default base 10 */
TESTCASE( strtoimax( "456", NULL, 0 ) == 456 );
/* proper functioning to smaller base */
TESTCASE( strtoimax( "14", NULL, 8 ) == 12 );
/* proper autodetecting of octal */
TESTCASE( strtoimax( "016", NULL, 0 ) == 14 );
/* proper autodetecting of hexadecimal, lowercase 'x' */
TESTCASE( strtoimax( "0xFF", NULL, 0 ) == 255 );
/* proper autodetecting of hexadecimal, uppercase 'X' */
TESTCASE( strtoimax( "0Xa1", NULL, 0 ) == 161 );
/* proper handling of border case: 0x followed by non-hexdigit */
TESTCASE( strtoimax( tricky, &endptr, 0 ) == 0 );
/* newlib completely balks at this parse, so we _NOREG it */
TESTCASE_NOREG( endptr == tricky + 2 );
/* proper handling of border case: 0 followed by non-octdigit */
TESTCASE( strtoimax( tricky, &endptr, 8 ) == 0 );
TESTCASE( endptr == tricky + 2 );
/* errno should still be 0 */
TESTCASE( errno == 0 );
/* overflowing subject sequence must still return proper endptr */
TESTCASE( strtoimax( overflow, &endptr, 36 ) == INTMAX_MIN );
TESTCASE( errno == ERANGE );
TESTCASE( ( endptr - overflow ) == 53 );
/* same for positive */
errno = 0;
TESTCASE( strtoimax( overflow + 1, &endptr, 36 ) == INTMAX_MAX );
TESTCASE( errno == ERANGE );
TESTCASE( ( endptr - overflow ) == 53 );
/* testing skipping of leading whitespace */
TESTCASE( strtoimax( " \n\v\t\f789", NULL, 0 ) == 789 );
/* testing conversion failure */
TESTCASE( strtoimax( overflow, &endptr, 10 ) == 0 );
TESTCASE( endptr == overflow );
endptr = NULL;
TESTCASE( strtoimax( overflow, &endptr, 0 ) == 0 );
TESTCASE( endptr == overflow );
/* These tests assume two-complement, but conversion should work for */
/* one-complement and signed magnitude just as well. Anyone having a */
/* platform to test this on? */
errno = 0;
#if INTMAX_MAX >> 62 == 1
/* testing "odd" overflow, i.e. base is not a power of two */
TESTCASE( strtoimax( "9223372036854775807", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "9223372036854775808", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == ERANGE );
errno = 0;
TESTCASE( strtoimax( "-9223372036854775807", NULL, 0 ) == ( INTMAX_MIN + 1 ) );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-9223372036854775808", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-9223372036854775809", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == ERANGE );
/* testing "even" overflow, i.e. base is power of two */
errno = 0;
TESTCASE( strtoimax( "0x7fffffffffffffff", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "0x8000000000000000", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == ERANGE );
errno = 0;
TESTCASE( strtoimax( "-0x7fffffffffffffff", NULL, 0 ) == ( INTMAX_MIN + 1 ) );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-0x8000000000000000", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-0x8000000000000001", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == ERANGE );
#elif LLONG_MAX >> 126 == 1
/* testing "odd" overflow, i.e. base is not a power of two */
TESTCASE( strtoimax( "170141183460469231731687303715884105728", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "170141183460469231731687303715884105729", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == ERANGE );
errno = 0;
TESTCASE( strtoimax( "-170141183460469231731687303715884105728", NULL, 0 ) == ( INTMAX_MIN + 1 ) );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-170141183460469231731687303715884105729", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-170141183460469231731687303715884105730", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == ERANGE );
/* testing "even" overflow, i.e. base is power of two */
errno = 0;
TESTCASE( strtoimax( "0x7fffffffffffffffffffffffffffffff", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "0x80000000000000000000000000000000", NULL, 0 ) == INTMAX_MAX );
TESTCASE( errno == ERANGE );
errno = 0;
TESTCASE( strtoimax( "-0x7fffffffffffffffffffffffffffffff", NULL, 0 ) == ( INTMAX_MIN + 1 ) );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-0x80000000000000000000000000000000", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == 0 );
TESTCASE( strtoimax( "-0x80000000000000000000000000000001", NULL, 0 ) == INTMAX_MIN );
TESTCASE( errno == ERANGE );
#else
#error Unsupported width of 'intmax_t' (neither 64 nor 128 bit).
#endif
return TEST_RESULTS;
}
#endif

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/* strtoumax( const char *, char **, int )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <limits.h>
#include <inttypes.h>
#ifndef REGTEST
#include <stddef.h>
uintmax_t strtoumax( const char * _PDCLIB_restrict nptr, char ** _PDCLIB_restrict endptr, int base )
{
uintmax_t rc;
char sign = '+';
const char * p = _PDCLIB_strtox_prelim( nptr, &sign, &base );
if ( base < 2 || base > 36 )
{
return 0;
}
rc = _PDCLIB_strtox_main( &p, ( unsigned )base, ( uintmax_t )UINTMAX_MAX, ( uintmax_t )UINTMAX_MAX, &sign );
if ( endptr != NULL )
{
*endptr = ( p != NULL ) ? ( char * ) p : ( char * ) nptr;
}
return ( sign == '+' ) ? rc : -rc;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
#include <errno.h>
int main( void )
{
char * endptr;
/* this, to base 36, overflows even a 256 bit integer */
char overflow[] = "-ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ_";
/* tricky border case */
char tricky[] = "+0xz";
errno = 0;
/* basic functionality */
TESTCASE( strtoumax( "123", NULL, 10 ) == 123 );
/* proper detecting of default base 10 */
TESTCASE( strtoumax( "456", NULL, 0 ) == 456 );
/* proper functioning to smaller base */
TESTCASE( strtoumax( "14", NULL, 8 ) == 12 );
/* proper autodetecting of octal */
TESTCASE( strtoumax( "016", NULL, 0 ) == 14 );
/* proper autodetecting of hexadecimal, lowercase 'x' */
TESTCASE( strtoumax( "0xFF", NULL, 0 ) == 255 );
/* proper autodetecting of hexadecimal, uppercase 'X' */
TESTCASE( strtoumax( "0Xa1", NULL, 0 ) == 161 );
/* proper handling of border case: 0x followed by non-hexdigit */
TESTCASE( strtoumax( tricky, &endptr, 0 ) == 0 );
/* newlib completely balks at this parse, so we _NOREG it */
TESTCASE_NOREG( endptr == tricky + 2 );
/* proper handling of border case: 0 followed by non-octdigit */
TESTCASE( strtoumax( tricky, &endptr, 8 ) == 0 );
TESTCASE( endptr == tricky + 2 );
/* errno should still be 0 */
TESTCASE( errno == 0 );
/* overflowing subject sequence must still return proper endptr */
TESTCASE( strtoumax( overflow, &endptr, 36 ) == UINTMAX_MAX );
TESTCASE( errno == ERANGE );
TESTCASE( ( endptr - overflow ) == 53 );
/* same for positive */
errno = 0;
TESTCASE( strtoumax( overflow + 1, &endptr, 36 ) == UINTMAX_MAX );
TESTCASE( errno == ERANGE );
TESTCASE( ( endptr - overflow ) == 53 );
/* testing skipping of leading whitespace */
TESTCASE( strtoumax( " \n\v\t\f789", NULL, 0 ) == 789 );
/* testing conversion failure */
TESTCASE( strtoumax( overflow, &endptr, 10 ) == 0 );
TESTCASE( endptr == overflow );
endptr = NULL;
TESTCASE( strtoumax( overflow, &endptr, 0 ) == 0 );
TESTCASE( endptr == overflow );
errno = 0;
/* uintmax_t -> long long -> 64 bit */
#if UINTMAX_MAX >> 63 == 1
/* testing "odd" overflow, i.e. base is not power of two */
TESTCASE( strtoumax( "18446744073709551615", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoumax( "18446744073709551616", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == ERANGE );
/* testing "even" overflow, i.e. base is power of two */
errno = 0;
TESTCASE( strtoumax( "0xFFFFFFFFFFFFFFFF", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoumax( "0x10000000000000000", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == ERANGE );
/* uintmax_t -> long long -> 128 bit */
#elif UINTMAX_MAX >> 127 == 1
/* testing "odd" overflow, i.e. base is not power of two */
TESTCASE( strtoumax( "340282366920938463463374607431768211455", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoumax( "340282366920938463463374607431768211456", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == ERANGE );
/* testing "even" everflow, i.e. base is power of two */
errno = 0;
TESTCASE( strtoumax( "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == 0 );
TESTCASE( strtoumax( "0x100000000000000000000000000000000", NULL, 0 ) == UINTMAX_MAX );
TESTCASE( errno == ERANGE );
#else
#error Unsupported width of 'uintmax_t' (neither 64 nor 128 bit).
#endif
return TEST_RESULTS;
}
#endif