Importing Egor's testsuite.
This commit is contained in:
Christopher Faylor
374
winsup/testsuite/libltp/lib/datapid.c
Normal file
374
winsup/testsuite/libltp/lib/datapid.c
Normal file
@ -0,0 +1,374 @@
|
||||
/*
|
||||
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of version 2 of the GNU General Public License as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it would be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* Further, this software is distributed without any warranty that it is
|
||||
* free of the rightful claim of any third person regarding infringement
|
||||
* or the like. Any license provided herein, whether implied or
|
||||
* otherwise, applies only to this software file. Patent licenses, if
|
||||
* any, provided herein do not apply to combinations of this program with
|
||||
* other software, or any other product whatsoever.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write the Free Software Foundation, Inc., 59
|
||||
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
|
||||
*
|
||||
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
|
||||
* Mountain View, CA 94043, or:
|
||||
*
|
||||
* http://www.sgi.com
|
||||
*
|
||||
* For further information regarding this notice, see:
|
||||
*
|
||||
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
|
||||
*/
|
||||
/************
|
||||
|
||||
64 bits in a Cray word
|
||||
|
||||
12345678901234567890123456789012
|
||||
1234567890123456789012345678901234567890123456789012345678901234
|
||||
________________________________________________________________
|
||||
< pid >< word-offset in file (same #) >< pid >
|
||||
|
||||
1234567890123456789012345678901234567890123456789012345678901234
|
||||
________________________________________________________________
|
||||
< pid >< offset in file of this word >< pid >
|
||||
|
||||
|
||||
8 bits to a bytes == character
|
||||
NBPW 8
|
||||
************/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <sys/param.h>
|
||||
#ifdef UNIT_TEST
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
|
||||
static char Errmsg[80];
|
||||
|
||||
#define LOWER16BITS(X) (X & 0177777)
|
||||
#define LOWER32BITS(X) (X & 0xffffffff)
|
||||
|
||||
/***
|
||||
#define HIGHBITS(WRD, bits) ( (-1 << (64-bits)) & WRD)
|
||||
#define LOWBITS(WRD, bits) ( (-1 >> (64-bits)) & WRD)
|
||||
****/
|
||||
|
||||
#define NBPBYTE 8 /* number bits per byte */
|
||||
|
||||
#ifndef DEBUG
|
||||
#define DEBUG 0
|
||||
#endif
|
||||
|
||||
/***********************************************************************
|
||||
*
|
||||
*
|
||||
* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 14 15 bytes
|
||||
* 1234567890123456789012345678901234567890123456789012345678901234 bits
|
||||
* ________________________________________________________________ 1 word
|
||||
* < pid >< offset in file of this word >< pid >
|
||||
*
|
||||
* the words are put together where offset zero is the start.
|
||||
* thus, offset 16 is the start of the second full word
|
||||
* Thus, offset 8 is in middle of word 1
|
||||
***********************************************************************/
|
||||
int
|
||||
datapidgen(pid, buffer, bsize, offset)
|
||||
int pid;
|
||||
char *buffer;
|
||||
int bsize;
|
||||
int offset;
|
||||
{
|
||||
#if CRAY
|
||||
|
||||
int cnt;
|
||||
int tmp;
|
||||
char *chr;
|
||||
long *wptr;
|
||||
long word;
|
||||
int woff; /* file offset for the word */
|
||||
int boff; /* buffer offset or index */
|
||||
int num_full_words;
|
||||
|
||||
num_full_words = bsize/NBPW;
|
||||
boff = 0;
|
||||
|
||||
if ( cnt=(offset % NBPW) ) { /* partial word */
|
||||
|
||||
woff = offset - cnt;
|
||||
#if DEBUG
|
||||
printf("partial at beginning, cnt = %d, woff = %d\n", cnt, woff);
|
||||
#endif
|
||||
|
||||
word = ((LOWER16BITS(pid) << 48) | (LOWER32BITS(woff) << 16) | LOWER16BITS(pid));
|
||||
|
||||
chr = (char *)&word;
|
||||
|
||||
for (tmp=0; tmp<cnt; tmp++) { /* skip unused bytes */
|
||||
chr++;
|
||||
}
|
||||
|
||||
for (; boff<(NBPW-cnt) && boff<bsize; boff++, chr++) {
|
||||
buffer[boff] = *chr;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* full words
|
||||
*/
|
||||
|
||||
num_full_words = (bsize-boff)/NBPW;
|
||||
|
||||
woff = offset+boff;
|
||||
|
||||
for (cnt=0; cnt<num_full_words; woff += NBPW, cnt++ ) {
|
||||
|
||||
word = ((LOWER16BITS(pid) << 48) | (LOWER32BITS(woff) << 16) | LOWER16BITS(pid));
|
||||
|
||||
chr = (char *)&word;
|
||||
for(tmp=0; tmp<NBPW; tmp++, chr++) {
|
||||
buffer[boff++] = *chr;
|
||||
}
|
||||
/****** Only if wptr is a word ellined
|
||||
wptr = (long *)&buffer[boff];
|
||||
*wptr = word;
|
||||
boff += NBPW;
|
||||
*****/
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* partial word at end of buffer
|
||||
*/
|
||||
|
||||
if ( cnt=((bsize-boff) % NBPW) ) {
|
||||
#if DEBUG
|
||||
printf("partial at end\n");
|
||||
#endif
|
||||
word = ((LOWER16BITS(pid) << 48) | (LOWER32BITS(woff) << 16) | LOWER16BITS(pid));
|
||||
|
||||
chr = (char *)&word;
|
||||
|
||||
for (tmp=0; tmp<cnt && boff<bsize; tmp++, chr++) {
|
||||
buffer[boff++] = *chr;
|
||||
}
|
||||
}
|
||||
|
||||
return bsize;
|
||||
|
||||
#else
|
||||
return -1; /* not support on non-64 bits word machines */
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
*
|
||||
*
|
||||
***********************************************************************/
|
||||
int
|
||||
datapidchk(pid, buffer, bsize, offset, errmsg)
|
||||
int pid;
|
||||
char *buffer;
|
||||
int bsize;
|
||||
int offset;
|
||||
char **errmsg;
|
||||
{
|
||||
#if CRAY
|
||||
|
||||
int cnt;
|
||||
int tmp;
|
||||
char *chr;
|
||||
long *wptr;
|
||||
long word;
|
||||
int woff; /* file offset for the word */
|
||||
int boff; /* buffer offset or index */
|
||||
int num_full_words;
|
||||
|
||||
|
||||
if ( errmsg != NULL ) {
|
||||
*errmsg = Errmsg;
|
||||
}
|
||||
|
||||
|
||||
num_full_words = bsize/NBPW;
|
||||
boff = 0;
|
||||
|
||||
if ( cnt=(offset % NBPW) ) { /* partial word */
|
||||
woff = offset - cnt;
|
||||
word = ((LOWER16BITS(pid) << 48) | (LOWER32BITS(woff) << 16) | LOWER16BITS(pid));
|
||||
|
||||
chr = (char *)&word;
|
||||
|
||||
for (tmp=0; tmp<cnt; tmp++) { /* skip unused bytes */
|
||||
chr++;
|
||||
}
|
||||
|
||||
for (; boff<(NBPW-cnt) && boff<bsize; boff++, chr++) {
|
||||
if (buffer[boff] != *chr) {
|
||||
sprintf(Errmsg, "Data mismatch at offset %d, exp:%#o, act:%#o",
|
||||
offset+boff, *chr, buffer[boff]);
|
||||
return offset+boff;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* full words
|
||||
*/
|
||||
|
||||
num_full_words = (bsize-boff)/NBPW;
|
||||
|
||||
woff = offset+boff;
|
||||
|
||||
for (cnt=0; cnt<num_full_words; woff += NBPW, cnt++ ) {
|
||||
word = ((LOWER16BITS(pid) << 48) | (LOWER32BITS(woff) << 16) | LOWER16BITS(pid));
|
||||
|
||||
chr = (char *)&word;
|
||||
for(tmp=0; tmp<NBPW; tmp++, boff++, chr++) {
|
||||
if ( buffer[boff] != *chr ) {
|
||||
sprintf(Errmsg, "Data mismatch at offset %d, exp:%#o, act:%#o",
|
||||
woff, *chr, buffer[boff]);
|
||||
return woff;
|
||||
}
|
||||
}
|
||||
|
||||
/****** only if a word elined
|
||||
wptr = (long *)&buffer[boff];
|
||||
if ( *wptr != word ) {
|
||||
sprintf(Errmsg, "Data mismatch at offset %d, exp:%#o, act:%#o",
|
||||
woff, word, *wptr);
|
||||
return woff;
|
||||
}
|
||||
boff += NBPW;
|
||||
******/
|
||||
}
|
||||
|
||||
/*
|
||||
* partial word at end of buffer
|
||||
*/
|
||||
|
||||
if ( cnt=((bsize-boff) % NBPW) ) {
|
||||
#if DEBUG
|
||||
printf("partial at end\n");
|
||||
#endif
|
||||
word = ((LOWER16BITS(pid) << 48) | (LOWER32BITS(woff) << 16) | LOWER16BITS(pid));
|
||||
|
||||
chr = (char *)&word;
|
||||
|
||||
|
||||
for (tmp=0; tmp<cnt && boff<bsize; boff++, tmp++, chr++) {
|
||||
if ( buffer[boff] != *chr ) {
|
||||
sprintf(Errmsg, "Data mismatch at offset %d, exp:%#o, act:%#o",
|
||||
offset+boff, *chr, buffer[boff]);
|
||||
return offset+boff;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
sprintf(Errmsg, "all %d bytes match desired pattern", bsize);
|
||||
return -1; /* buffer is ok */
|
||||
|
||||
#else
|
||||
|
||||
if ( errmsg != NULL ) {
|
||||
*errmsg = Errmsg;
|
||||
}
|
||||
sprintf(Errmsg, "Not supported on this OS.");
|
||||
return 0;
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
} /* end of datapidchk */
|
||||
|
||||
#if UNIT_TEST
|
||||
|
||||
/***********************************************************************
|
||||
* main for doing unit testing
|
||||
***********************************************************************/
|
||||
int
|
||||
main(ac, ag)
|
||||
int ac;
|
||||
char **ag;
|
||||
{
|
||||
|
||||
int size=1234;
|
||||
char *buffer;
|
||||
int ret;
|
||||
char *errmsg;
|
||||
|
||||
if ((buffer=(char *)malloc(size)) == NULL ) {
|
||||
perror("malloc");
|
||||
exit(2);
|
||||
}
|
||||
|
||||
|
||||
datapidgen(-1, buffer, size, 3);
|
||||
|
||||
/***
|
||||
fwrite(buffer, size, 1, stdout);
|
||||
fwrite("\n", 1, 1, stdout);
|
||||
****/
|
||||
|
||||
printf("datapidgen(-1, buffer, size, 3)\n");
|
||||
|
||||
ret=datapidchk(-1, buffer, size, 3, &errmsg);
|
||||
printf("datapidchk(-1, buffer, %d, 3, &errmsg) returned %d %s\n",
|
||||
size, ret, errmsg);
|
||||
ret=datapidchk(-1, &buffer[1], size-1, 4, &errmsg);
|
||||
printf("datapidchk(-1, &buffer[1], %d, 4, &errmsg) returned %d %s\n",
|
||||
size-1, ret, errmsg);
|
||||
|
||||
buffer[25]= 0x0;
|
||||
buffer[26]= 0x0;
|
||||
buffer[27]= 0x0;
|
||||
buffer[28]= 0x0;
|
||||
printf("changing char 25-28\n");
|
||||
|
||||
ret=datapidchk(-1, &buffer[1], size-1, 4, &errmsg);
|
||||
printf("datapidchk(-1, &buffer[1], %d, 4, &errmsg) returned %d %s\n",
|
||||
size-1, ret, errmsg);
|
||||
|
||||
printf("------------------------------------------\n");
|
||||
|
||||
datapidgen(getpid(), buffer, size, 5);
|
||||
|
||||
/*******
|
||||
fwrite(buffer, size, 1, stdout);
|
||||
fwrite("\n", 1, 1, stdout);
|
||||
******/
|
||||
|
||||
printf("\ndatapidgen(getpid(), buffer, size, 5)\n");
|
||||
|
||||
ret=datapidchk(getpid(), buffer, size, 5, &errmsg);
|
||||
printf("datapidchk(getpid(), buffer, %d, 5, &errmsg) returned %d %s\n",
|
||||
size, ret, errmsg);
|
||||
|
||||
ret=datapidchk(getpid(), &buffer[1], size-1, 6, &errmsg);
|
||||
printf("datapidchk(getpid(), &buffer[1], %d, 6, &errmsg) returned %d %s\n",
|
||||
size-1, ret, errmsg);
|
||||
|
||||
buffer[25]= 0x0;
|
||||
printf("changing char 25\n");
|
||||
|
||||
ret=datapidchk(getpid(), &buffer[1], size-1, 6, &errmsg);
|
||||
printf("datapidchk(getpid(), &buffer[1], %d, 6, &errmsg) returned %d %s\n",
|
||||
size-1, ret, errmsg);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user