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openmpi/opal/util/numtostr.c
2015-06-23 20:59:57 -07:00

66 строки
1.6 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/util/numtostr.h"
#include "opal/util/printf.h"
#include <stdio.h>
#include <stdlib.h>
char*
opal_ltostr(long num)
{
/* waste a little bit of space, but always have a big enough buffer */
int buflen = sizeof(long) * 8;
char *buf = NULL;
int ret = 0;
buf = (char*) malloc(sizeof(char) * buflen);
if (NULL == buf) return NULL;
ret = snprintf(buf, buflen, "%ld", num);
if (ret < 0) {
free(buf);
return NULL;
}
return buf;
}
char*
opal_dtostr(double num)
{
/* waste a little bit of space, but always have a big enough buffer */
int buflen = sizeof(long) * 8;
char *buf = NULL;
int ret = 0;
buf = (char*) malloc(sizeof(char) * buflen);
if (NULL == buf) return NULL;
ret = snprintf(buf, buflen, "%f", num);
if (ret < 0) {
free(buf);
return NULL;
}
return buf;
}