* stdlib/a64l.c: Expect least significant digit first.

* stdlib/l64a.c: Produce least significant digit first. 
* stdlib/Makefile (tests): Add test-a64l. 
* stdlib/test-a64l.c: New file.
This commit is contained in:
Andreas Schwab 2001-10-25 10:20:40 +00:00
parent 412420ee83
commit ab1c32a698
4 changed files with 82 additions and 7 deletions

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@ -59,7 +59,7 @@ test-srcs := tst-fmtmsg
tests := tst-strtol tst-strtod testmb testrand testsort testdiv \
test-canon test-canon2 tst-strtoll tst-environ \
tst-xpg-basename tst-random tst-bsearch tst-limits \
tst-rand48 bug-strtod tst-setcontext
tst-rand48 bug-strtod tst-setcontext test-a64l
# Several mpn functions from GNU MP are used by the strtod function.

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@ -43,6 +43,7 @@ a64l (string)
const char *ptr = string;
unsigned long int result = 0ul;
const char *end = ptr + 6;
int shift = 0;
do
{
@ -55,9 +56,9 @@ a64l (string)
value = (int) a64l_table[index];
if (value == (int) XX)
break;
result <<= 6;
++ptr;
result |= value;
result |= value << shift;
shift += 6;
}
while (ptr != end);

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@ -47,13 +47,12 @@ l64a (n)
/* The value for N == 0 is defined to be the empty string. */
return (char *) "";
result[6] = '\0';
for (cnt = 5; m > 0ul; --cnt)
for (cnt = 0; m > 0ul; ++cnt)
{
result[cnt] = conv_table[m & 0x3f];
m >>= 6;
}
result[cnt] = '\0';
return &result[cnt + 1];
return result;
}

75
stdlib/test-a64l.c Normal file
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@ -0,0 +1,75 @@
/* Test program for the l64a and a64l functions.
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@suse.de>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Prototype for our test function. */
extern int do_test (int argc, char *argv[]);
#include <test-skeleton.c>
struct a64l_test
{
const char *base64;
long int value;
};
static const struct a64l_test tests[] =
{
{ "./", 64 },
{ "", 0 },
{ "/", 1 },
{ "FT", 2001 },
{ NULL, 0 }
};
int
do_test (int argc, char ** argv)
{
const struct a64l_test *at;
long int l;
const char *s;
int status = 0;
for (at = tests; at->base64 != NULL; ++at)
{
printf ("a64l (\"%s\")", at->base64);
l = a64l (at->base64);
if (l == at->value)
puts ("\tOK");
else
{
printf ("\tBAD\n returns %ld, expected %ld\n", l, at->value);
status = 1;
}
printf ("l64a (%ld)", at->value);
s = l64a (at->value);
if (strcmp (s, at->base64) == 0)
puts ("\tOK");
else
{
printf ("\tBAD\n returns \"%s\", expected \"%s\"\n", s, at->base64);
status = 1;
}
}
return status ? EXIT_FAILURE : EXIT_SUCCESS;
}