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/**
* \file dir.c
* \brief Directory handling.
* \author Copyright (c) 2002-2008 Jason Perkins and the Premake project
*/
#include <assert.h>
#include <string.h>
#include <sys/stat.h>
#include "premake.h"
#include "base/buffers.h"
#include "base/dir.h"
#include "base/error.h"
#include "base/path.h"
#include "platform/platform.h"
/**
* Create a directory, if it doesn't exist already.
* \returns OKAY if successful.
*/
int dir_create(const char* path)
{
char* parent;
assert(path);
if (dir_exists(path))
return OKAY;
/* make sure the parent directory exists */
parent = path_directory(path);
if (strlen(parent) > 0)
{
if (dir_create(parent) != OKAY)
return !OKAY;
}
if (platform_create_dir(path) != OKAY)
{
error_set("Unable to create directory %s", path);
return !OKAY;
}
return OKAY;
}
/**
* Determine if a particular directory exists on the filesystem.
* \returns True if the directory exists.
*/
int dir_exists(const char* path)
{
struct stat buf;
assert(path);
/* empty path is equivalent to ".", must be true */
if (strlen(path) == 0)
{
return 1;
}
if (stat(path, &buf) == 0)
{
return (buf.st_mode & S_IFDIR);
}
else
{
return 0;
}
}
/**
* Get the current working directory.
* \returns The current working directory, or NULL on error. Path separators
* are converted to forward slashes, regardless of platform.
*/
char* dir_get_current()
{
char* buffer = buffers_next();
int result = platform_dir_get_current(buffer, BUFFER_SIZE);
if (result == OKAY)
{
return path_translate(buffer, "/");
}
else
{
return NULL;
}
}
/**
* Set the current working directory.
* \param path The new working directory.
* \returns OKAY if successful.
*/
int dir_set_current(const char* path)
{
assert(path);
return platform_dir_set_current(path);
}
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