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Pvmfperror.c
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C/C++ Source or Header
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1997-07-22
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1KB
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52 lines
/* $Id: Pvmfperror.c,v 1.1 1997/06/27 16:29:08 pvmsrc Exp $ */
#include <stdio.h>
#ifdef WIN32
#include "..\..\include\pvm3.h"
#include "..\..\src\pvmwin.h"
#else
#include "pvm3.h"
#endif
#include "pvm_consts.h"
#define MAX(a,b) ((a) > (b) ? (a) : (b))
void /*__stdcall*/ __fortran
PVMFPERROR (p_ptr,p_len, info)
char * p_ptr; int p_len;
int *info;
{
static char *buf = 0;
static int buflen = 0;
#ifndef WIN32
char *malloc();
#endif
/*
* Have to have a NUL at the end of the string, and
* the only way to do this portably is to copy the whole string
* into a malloc'ed buffer. We keep the buffer around for
* future use rather than free'ing it each time we're done.
*/
if (!buf)
buf = malloc(buflen = p_len + 1);
else
if (p_len + 1 > buflen) {
buflen = MAX(p_len + 1, buflen * 2);
/* don't use realloc; it might cause old data to be copied */
free(buf);
buf = malloc(buflen);
}
if (!buf) {
fprintf(stderr, "pvmfperror PvmNoMem");
*info = PvmNoMem;
return;
}
strncpy(buf, p_ptr, p_len);
buf[p_len] = '\0';
*info = pvm_perror(buf);
}