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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#include "posix.h"
#include "path.h"
#include <stdio.h>
#include <ctype.h>
#ifndef GIT_WIN32
#ifdef NO_ADDRINFO
int p_getaddrinfo(
const char *host,
const char *port,
struct addrinfo *hints,
struct addrinfo **info)
{
struct addrinfo *ainfo, *ai;
int p = 0;
GIT_UNUSED(hints);
if ((ainfo = malloc(sizeof(struct addrinfo))) == NULL)
return -1;
if ((ainfo->ai_hostent = gethostbyname(host)) == NULL) {
free(ainfo);
return -2;
}
ainfo->ai_servent = getservbyname(port, 0);
if (ainfo->ai_servent)
ainfo->ai_port = ainfo->ai_servent->s_port;
else
ainfo->ai_port = atol(port);
memcpy(&ainfo->ai_addr_in.sin_addr,
ainfo->ai_hostent->h_addr_list[0],
ainfo->ai_hostent->h_length);
ainfo->ai_protocol = 0;
ainfo->ai_socktype = hints->ai_socktype;
ainfo->ai_family = ainfo->ai_hostent->h_addrtype;
ainfo->ai_addr_in.sin_family = ainfo->ai_family;
ainfo->ai_addr_in.sin_port = ainfo->ai_port;
ainfo->ai_addr = (struct addrinfo *)&ainfo->ai_addr_in;
ainfo->ai_addrlen = sizeof(struct sockaddr_in);
*info = ainfo;
if (ainfo->ai_hostent->h_addr_list[1] == NULL) {
ainfo->ai_next = NULL;
return 0;
}
ai = ainfo;
for (p = 1; ainfo->ai_hostent->h_addr_list[p] != NULL; p++) {
ai->ai_next = malloc(sizeof(struct addrinfo));
memcpy(&ai->ai_next, ainfo, sizeof(struct addrinfo));
memcpy(&ai->ai_next->ai_addr_in.sin_addr,
ainfo->ai_hostent->h_addr_list[p],
ainfo->ai_hostent->h_length);
ai->ai_next->ai_addr = (struct addrinfo *)&ai->ai_next->ai_addr_in;
ai = ai->ai_next;
}
ai->ai_next = NULL;
return 0;
}
void p_freeaddrinfo(struct addrinfo *info)
{
struct addrinfo *p, *next;
p = info;
while(p != NULL) {
next = p->ai_next;
free(p);
p = next;
}
}
const char *p_gai_strerror(int ret)
{
switch(ret) {
case -1: return "Out of memory"; break;
case -2: return "Address lookup failed"; break;
default: return "Unknown error"; break;
}
}
#endif /* NO_ADDRINFO */
int p_open(const char *path, int flags, ...)
{
mode_t mode = 0;
if (flags & O_CREAT) {
va_list arg_list;
va_start(arg_list, flags);
mode = (mode_t)va_arg(arg_list, int);
va_end(arg_list);
}
return open(path, flags | O_BINARY, mode);
}
int p_creat(const char *path, mode_t mode)
{
return open(path, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode);
}
int p_getcwd(char *buffer_out, size_t size)
{
char *cwd_buffer;
assert(buffer_out && size > 0);
cwd_buffer = getcwd(buffer_out, size);
if (cwd_buffer == NULL)
return -1;
git_path_mkposix(buffer_out);
git_path_string_to_dir(buffer_out, size); /* append trailing slash */
return 0;
}
int p_rename(const char *from, const char *to)
{
if (!link(from, to)) {
p_unlink(from);
return 0;
}
if (!rename(from, to))
return 0;
return -1;
}
#endif /* GIT_WIN32 */
int p_read(git_file fd, void *buf, size_t cnt)
{
char *b = buf;
while (cnt) {
ssize_t r;
#ifdef GIT_WIN32
assert((size_t)((unsigned int)cnt) == cnt);
r = read(fd, b, (unsigned int)cnt);
#else
r = read(fd, b, cnt);
#endif
if (r < 0) {
if (errno == EINTR || errno == EAGAIN)
continue;
return -1;
}
if (!r)
break;
cnt -= r;
b += r;
}
return (int)(b - (char *)buf);
}
int p_write(git_file fd, const void *buf, size_t cnt)
{
const char *b = buf;
while (cnt) {
ssize_t r;
#ifdef GIT_WIN32
assert((size_t)((unsigned int)cnt) == cnt);
r = write(fd, b, (unsigned int)cnt);
#else
r = write(fd, b, cnt);
#endif
if (r < 0) {
if (errno == EINTR || errno == EAGAIN)
continue;
return -1;
}
if (!r) {
errno = EPIPE;
return -1;
}
cnt -= r;
b += r;
}
return 0;
}
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