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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* 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
int p_open(const char *path, int flags)
{
return open(path, flags | O_BINARY);
}
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 git__throw(GIT_EOSERR, "Failed to retrieve current working directory");
git_path_mkposix(buffer_out);
git_path_string_to_dir(buffer_out, size); //Ensure the path ends with a trailing slash
return GIT_SUCCESS;
}
int p_rename(const char *from, const char *to)
{
if (!link(from, to)) {
p_unlink(from);
return GIT_SUCCESS;
}
if (!rename(from, to))
return GIT_SUCCESS;
return GIT_ERROR;
}
#endif
int p_read(git_file fd, void *buf, size_t cnt)
{
char *b = buf;
while (cnt) {
ssize_t r = read(fd, b, cnt);
if (r < 0) {
if (errno == EINTR || errno == EAGAIN)
continue;
return GIT_EOSERR;
}
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 = write(fd, b, cnt);
if (r < 0) {
if (errno == EINTR || errno == EAGAIN)
continue;
return GIT_EOSERR;
}
if (!r) {
errno = EPIPE;
return GIT_EOSERR;
}
cnt -= r;
b += r;
}
return GIT_SUCCESS;
}
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