mirror of https://github.com/BOINC/boinc.git
141 lines
2.8 KiB
C
141 lines
2.8 KiB
C
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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#ifdef _WIN32
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#include "boinc_win.h"
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#endif
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#ifndef _WIN32
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#include <cstdio>
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#include <cstdlib>
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#include <cstdarg>
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#include <cstring>
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#include <string>
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#include <cerrno>
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#if HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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using namespace std;
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#endif
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#include "filesys.h"
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#include "error_numbers.h"
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#include "mfile.h"
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MFILE::MFILE() {
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buf = 0;
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len = 0;
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}
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MFILE::~MFILE() {
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if (buf) free(buf);
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}
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int MFILE::open(const char* path, const char* mode) {
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f = boinc_fopen(path, mode);
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if (!f) return -1;
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return 0;
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}
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int MFILE::vprintf(const char* format, va_list ap) {
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char buf2[20000];
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int n, k;
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k = vsprintf(buf2, format, ap);
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n = (int)strlen(buf2);
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buf = (char*)realloc(buf, len+n);
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if (!buf) {
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errno = ERR_MALLOC;
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return -1;
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}
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strncpy(buf+len, buf2, n);
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len += n;
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return k;
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}
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int MFILE::printf(const char* format, ...) {
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int n;
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va_list ap;
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va_start(ap, format);
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n = MFILE::vprintf(format, ap);
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va_end(ap);
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return n;
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}
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size_t MFILE::write(const void *ptr, size_t size, size_t nitems) {
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buf = (char *)realloc( buf, len+(size*nitems) );
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if (!buf) {
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errno = ERR_MALLOC;
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return 0;
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}
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memcpy( buf+len, ptr, size*nitems );
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len += (int)size*(int)nitems;
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return nitems;
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}
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int MFILE::_putchar(char c) {
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buf = (char*)realloc(buf, len+1);
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if (!buf) {
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errno = ERR_MALLOC;
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return EOF;
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}
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buf[len] = c;
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len++;
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return c;
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}
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int MFILE::puts(const char* p) {
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int n = (int)strlen(p);
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buf = (char*)realloc(buf, len+n);
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if (!buf) {
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errno = ERR_MALLOC;
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return EOF;
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}
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strncpy(buf+len, p, n);
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len += n;
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return n;
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}
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int MFILE::close() {
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fwrite(buf, 1, len, f);
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free(buf);
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buf = 0;
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return fclose(f);
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}
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int MFILE::flush() {
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fwrite(buf, 1, len, f);
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len = 0;
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return fflush(f);
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}
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long MFILE::tell() const {
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return f ? ftell(f) : -1;
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}
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void MFILE::get_buf(char*& b, int& l) {
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b = buf;
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l = len;
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buf = 0;
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len = 0;
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}
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