X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdlib%2Fstrtol.c;h=ce75539e4268c54babf288976daa0316b4506189;hp=ea54b98c6ebc0442a87870b5b7bb9289db8bc322;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=54fc1aef7a9754a3daa803e47a59d76a8173d703 diff --git a/functions/stdlib/strtol.c b/functions/stdlib/strtol.c index ea54b98..ce75539 100644 --- a/functions/stdlib/strtol.c +++ b/functions/stdlib/strtol.c @@ -1,5 +1,3 @@ -/* $Id$ */ - /* strtol( const char *, char * *, int ) This file is part of the Public Domain C Library (PDCLib). @@ -25,7 +23,6 @@ long int strtol( const char * s, char ** endptr, int base ) } else { - /* FIXME: This breaks on some machines that round negatives wrongly */ rc = (long int)_PDCLIB_strtox_main( &p, (unsigned)base, (uintmax_t)LONG_MIN, (uintmax_t)( LONG_MIN / -base ), (int)( -( LONG_MIN % base ) ), &sign ); } if ( endptr != NULL ) *endptr = ( p != NULL ) ? (char *) p : (char *) s; @@ -35,12 +32,7 @@ long int strtol( const char * s, char ** endptr, int base ) #endif #ifdef TEST -#include <_PDCLIB_test.h> - -#ifndef _PDCLIB_INT_H -#define _PDCLIB_INT_H -#include <_PDCLIB_int.h> -#endif +#include "_PDCLIB_test.h" #include @@ -89,36 +81,42 @@ int main( void ) endptr = NULL; TESTCASE( strtol( 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? */ + /* TODO: 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 _PDCLIB_LONG_BYTES == 4 +#if LONG_MAX >> 30 == 1 /* testing "even" overflow, i.e. base is power of two */ - TESTCASE( strtol( "0x7FFFFFFF", NULL, 0 ) == 0x7fffffff ); + TESTCASE( strtol( "2147483647", NULL, 0 ) == 0x7fffffff ); TESTCASE( errno == 0 ); - TESTCASE( strtol( "0x80000000", NULL, 0 ) == LONG_MAX ); + errno = 0; + TESTCASE( strtol( "2147483648", NULL, 0 ) == LONG_MAX ); TESTCASE( errno == ERANGE ); errno = 0; - TESTCASE( strtol( "-0x7FFFFFFF", NULL, 0 ) == (long)0x80000001 ); + TESTCASE( strtol( "-2147483647", NULL, 0 ) == (long)0x80000001 ); TESTCASE( errno == 0 ); - TESTCASE( strtol( "-0x80000000", NULL, 0 ) == LONG_MIN ); + errno = 0; + TESTCASE( strtol( "-2147483648", NULL, 0 ) == LONG_MIN ); TESTCASE( errno == 0 ); - TESTCASE( strtol( "-0x80000001", NULL, 0 ) == LONG_MIN ); + errno = 0; + TESTCASE( strtol( "-2147483649", NULL, 0 ) == LONG_MIN ); TESTCASE( errno == ERANGE ); /* TODO: test "odd" overflow, i.e. base is not power of two */ -#elif _PDCLIB_LONG_BYTES == 8 +#elif LONG_MAX >> 62 == 1 /* testing "even" overflow, i.e. base is power of two */ - TESTCASE( strtol( "0x7FFFFFFFFFFFFFFF", NULL, 0 ) == 0x7fffffffffffffff ); + TESTCASE( strtol( "9223372036854775807", NULL, 0 ) == 0x7fffffffffffffff ); TESTCASE( errno == 0 ); - TESTCASE( strtol( "0x8000000000000000", NULL, 0 ) == LONG_MAX ); + errno = 0; + TESTCASE( strtol( "9223372036854775808", NULL, 0 ) == LONG_MAX ); TESTCASE( errno == ERANGE ); errno = 0; - TESTCASE( strtol( "-0x7FFFFFFFFFFFFFFF", NULL, 0 ) == (long)0x8000000000000001 ); + TESTCASE( strtol( "-9223372036854775807", NULL, 0 ) == (long)0x8000000000000001 ); TESTCASE( errno == 0 ); - TESTCASE( strtol( "-0x8000000000000000", NULL, 0 ) == LONG_MIN ); + errno = 0; + TESTCASE( strtol( "-9223372036854775808", NULL, 0 ) == LONG_MIN ); TESTCASE( errno == 0 ); - TESTCASE( strtol( "-0x8000000000000001", NULL, 0 ) == LONG_MIN ); + errno = 0; + TESTCASE( strtol( "-9223372036854775809", NULL, 0 ) == LONG_MIN ); TESTCASE( errno == ERANGE ); /* TODO: test "odd" overflow, i.e. base is not power of two */ #else