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/*
* SCCS: @(#)resdir.c 1.4 (96/11/04)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1996 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
* A copy of the end-user licence agreement is contained in the file
* Licence which accompanies this distribution.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/************************************************************************
SCCS: @(#)resdir.c 1.4 96/11/04 TETware release 3.3
NAME: resdir.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: August 1996
DESCRIPTION:
functions to create and administer the results directory
MODIFICATIONS:
Aaron Plattner, April 2010
Fixed warnings when compiled with GCC's -Wall option.
************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <sys/types.h>
#include <time.h>
#include "dtmac.h"
#include "error.h"
#include "dtetlib.h"
#include "tetdir.h"
#include "tcc.h"
/* results directory name - gets overwritten by initresdir() */
static char *results_dir = "results";
/* static function declarations */
static char *ressubdir PROTOLIST((char *));
/*
** initresdir() - create the results directory
**
** iopt is the -i command-line option
** cwd is tcc's initial working directory
*/
void initresdir(iopt, cwd)
char *iopt, *cwd;
{
char resroot[MAXPATH], resdir[MAXPATH];
int n, rc;
/* Empty string means no results directory. */
if (iopt && !*iopt) {
results_dir = NULL;
return;
}
/*
** determine the name of the results directory
**
** if -i has not been specified, create a default directory
** whose name is tet_tsroot/results/NNNN{bec}
*/
if (iopt && *iopt) {
fullpath(cwd, iopt, resdir, sizeof resdir, 0);
errno = 0;
if (tet_mkalldirs(resdir) != 0 && errno != EEXIST)
tcc_exit(1);
}
else {
fullpath(tet_tsroot, results_dir, resroot, sizeof resroot, 0);
for (n = 0; n < 5; n++) {
fullpath(resroot, ressubdir(resroot), resdir,
sizeof resdir, 0);
errno = 0;
if ((rc = tet_mkalldirs(resdir)) == 0 ||
errno != EEXIST)
break;
}
if (rc < 0)
tcc_exit(1);
}
results_dir = rstrstore(resdir);
TRACE2(tet_Ttcc, 1, "results directory = %s", results_dir);
}
/*
** resdirname() - return the name of the results directory
*/
char *resdirname()
{
if (results_dir) {
ASSERT(isabspathloc(results_dir));
}
return(results_dir);
}
/*
** ressubdir() - return the name of the results subdirectory to use
*/
static char *ressubdir(resroot)
char *resroot;
{
DIR *dirp;
struct dirent *dp;
int thisval, maxval;
static char buf[8];
/* if the results directory exists, open it and find the
** highest numbered subdirectory below it
*/
maxval = 0;
if ((dirp = OPENDIR(resroot)) == (DIR *) 0) {
if (errno != ENOENT)
fatal(errno, "can't open", resroot);
}
else {
while ((dp = READDIR(dirp)) != (struct dirent *) 0)
if ((thisval = atoi(dp->d_name)) > maxval)
maxval = thisval;
CLOSEDIR(dirp);
}
/*
** check for overflow - this should not usually occur because
** most systems limit the number of links (i.e., subdirectories)
** to a much lower value
*/
if (++maxval > 9999)
fatal(0, "too many results directories below", resroot);
/* construct the name of the subdirectory for the selected
modes of operation */
sprintf(buf, "%04d%s", maxval, resdirsuffix());
return(buf);
}
/*
** resdirsuffix() - return pointer to the suffix to use for the
** results directory on the local system, or the saved files
** directory on a remote system
*/
char *resdirsuffix()
{
static char suffix[4];
register char *p;
if (!suffix[0]) {
p = suffix;
if (tcc_modes & TCC_BUILD)
*p++ = 'b';
if (tcc_modes & TCC_EXEC)
*p++ = 'e';
if (tcc_modes & TCC_CLEAN)
*p++ = 'c';
}
return(suffix);
}
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