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%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
license = bsd
%% header
/** @file dk4getcwd8.h Get current working directory as char string.
*/
#ifndef DK4ERROR_H_INCLUDED
#include "dk4error.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** Find current working directory.
@param dptr Destination buffer pointer.
@param sz Buffer size.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
*/
int
dk4getcwd_c8(char *dptr, size_t sz, dk4_er_t *erp);
#ifdef __cplusplus
}
#endif
%% module
#include "dk4getcwd8.h"
#if DK4_ON_WINDOWS
#ifndef WINDOWS_H_INCLUDED
#include <windows.h>
#define WINDOWS_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_UNISTD_H
#ifndef UNISTD_H_INCLUDED
#include <unistd.h>
#define UNISTD_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_STDLIB_H
#ifndef STDLIB_H_INCLUDED
#include <stdlib.h>
#define STDLIB_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_DIRECT_H
#ifndef DIRECT_H_INCLUDED
#include <direct.h>
#define DIRECT_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_ERRNO_H
#ifndef ERRNO_H_INCLUDED
#include <errno.h>
#define ERRNO_H_INCLUDED 1
#endif
#endif
int
dk4getcwd_c8(char *dptr, size_t sz, dk4_er_t *erp)
{
int back = 0;
if ((NULL != dptr) && (0 < sz)) { *dptr = '\0'; }
if ((NULL != dptr) && (0 < sz)) {
#if DK4_ON_WINDOWS
#if DK4_WIN_AVOID_CRT || DK4_WIN_DENY_CRT
DWORD dwSz;
DWORD dwRes;
dwSz = (DWORD)sz;
if ((dk4_um_t)sz > (dk4_um_t)0xFFFFFFUL) { dwSz = (DWORD)0xFFFFFFFFUL; }
dwRes = GetCurrentDirectoryA(dwSz, dptr);
if (0 < dwRes) {
if (dwRes < dwSz) {
back = 1;
} else {
dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
}
} else {
dk4error_set_ldetails(erp, DK4_E_SYSTEM, GetLastError());
}
#else
#if DK4_HAVE__GETCWD
int isz;
errno = 0;
isz = (int)sz;
if((dk4_um_t)sz > (dk4_um_t)(INT_MAX)) { isz = INT_MAX; }
if (NULL != _getcwd(dptr, isz)) {
back = 1;
} else {
dk4error_set_idetails(erp, DK4_E_SYSTEM, errno);
}
#else
#if DK4_HAVE_GETCWD
errno = 0;
if (NULL != getcwd(dptr, sz)) {
back = 1;
} else {
dk4error_set_idetails(erp, DK4_E_SYSTEM, errno);
}
#else
DWORD dwSz;
DWORD dwRes;
dwSz = (DWORD)sz;
if ((dk4_um_t)sz > (dk4_um_t)0xFFFFFFUL) { dwSz = (DWORD)0xFFFFFFFFUL; }
dwRes = GetCurrentDirectoryA(dwSz, dptr);
if (0 < dwRes) {
if (dwRes < dwSz) {
back = 1;
} else {
dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
}
} else {
dk4error_set_ldetails(erp, DK4_E_SYSTEM, GetLastError());
}
#endif
#endif
#endif
#else
errno = 0;
if (NULL != getcwd(dptr, sz)) {
back = 1;
} else {
dk4error_set_idetails(erp, DK4_E_SYSTEM, errno);
}
#endif
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
}
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