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|
%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
license = bsd
%% header
/** @file
File functions for dkChar characters
and strings.
CRT on Windows: Required.
*/
#ifndef DK4CONF_H_INCLUDED
#include "dk4conf.h"
#endif
#ifndef DK4TYPES_H_INCLUDED
#include "dk4types.h"
#endif
#ifndef DK4ERROR_H_INCLUDED
#include "dk4error.h"
#endif
#ifndef STDIO_H_INCLUDED
#include <stdio.h>
#define STDIO_H_INCLUDED 1
#endif
#if DK4_HAVE_ERRNO_H
#ifndef ERRNO_H_INCLUDED
#include <errno.h>
#define ERRNO_H_INCLUDED 1
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** On Windows, initialize stdout to write dkChar and write a BOM.
*/
void
dk4fput_initialize_stdout(void);
/** On Windows, initialize stdout to write dkChar.
*/
void
dk4fput_initialize_stdout_no_bom(void);
/** On Windows, initialize stderr to write dkChar and write a BOM.
*/
void
dk4fput_initialize_stderr(void);
/** On Windows, initialize stderr to write dkChar.
*/
void
dk4fput_initialize_stderr_no_bom(void);
/** On Windows, initialize file to write dkChar and write a BOM.
@param fipo File to set up.
*/
void
dk4fput_initialize_file(FILE *fipo);
/** On Windows, initialize file to write dkChar.
@param fipo File to set up.
*/
void
dk4fput_initialize_file_no_bom(FILE *fipo);
/** On Windows, return to the default file encoding for stdout.
*/
void
dk4fput_cleanup_stdout(void);
/** On Windows, return to the default file encoding for stderr.
*/
void
dk4fput_cleanup_stderr(void);
/** Write one character to file.
@param c Character to write.
@param fipo File to write to.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
Error codes:
- DK4_E_NOT_SUPPORTED<br>
if writing wide characters is not supported on the system,
- DK4_E_INVALID_ARGUMENTS<br>
if fipo is NULL,
- DK4_E_WRITE_FAILED<br>
with errno value in iDetails1 if the write attempt failed.
*/
int
dk4fputc(dkChar c, FILE *fipo, dk4_er_t *erp);
/** Write one string to file.
@param s String to write.
@param fipo File to write to.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
Error codes:
- DK4_E_NOT_SUPPORTED<br>
if writing wide character strings is not supported on the system,
- DK4_E_INVALID_ARGUMENTS<br>
if fipo is NULL,
- DK4_E_WRITE_FAILED<br>
with errno in iDetails1 if the write attempt failed.
*/
int
dk4fputs(const dkChar *s, FILE *fipo, dk4_er_t *erp);
#ifdef __cplusplus
}
#endif
%% module
#include "dk4fput.h"
#if DK4_HAVE_IO_H
#ifndef IO_H_INCLUDED
#include <io.h>
#define IO_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_FCNTL_H
#ifndef FCNTL_H_INCLUDED
#include <fcntl.h>
#define FCNTL_H_INCLUDED 1
#endif
#endif
$!trace-include
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
/** Flag: Standard output initialized to write dkChar.
*/
static int dk4fput_stdout_initialized = 0;
/** Standard output mode at startup (should be restored before exiting).
*/
static int dk4fput_stdout_oldmode = _O_TEXT;
/** Flag: Standard error output initialized to write dkChar.
*/
static int dk4fput_stderr_initialized = 0;
/** Standard error mode at startup (should be restored before exiting).
*/
static int dk4fput_stderr_oldmode = _O_TEXT;
#endif
void
dk4fput_initialize_stdout(void)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (0 == dk4fput_stdout_initialized) {
dk4fput_stdout_oldmode = _setmode(_fileno(stdout), _O_U16TEXT);
if (0 == _isatty(_fileno(stdout))) {
fputwc((wchar_t)0xFEFF, stdout);
}
dk4fput_stdout_initialized = 1;
}
#endif
}
void
dk4fput_initialize_stdout_no_bom(void)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (0 == dk4fput_stdout_initialized) {
dk4fput_stdout_oldmode = _setmode(_fileno(stdout), _O_U16TEXT);
dk4fput_stdout_initialized = 1;
}
#endif
}
void
dk4fput_cleanup_stdout(void)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (0 != dk4fput_stdout_initialized) {
fflush(stdout);
(void)_setmode(_fileno(stdout), dk4fput_stdout_oldmode);
}
#endif
}
void
dk4fput_initialize_stderr(void)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (0 == dk4fput_stderr_initialized) {
dk4fput_stderr_oldmode = _setmode(_fileno(stderr), _O_U16TEXT);
if (0 == _isatty(_fileno(stderr))) {
fputwc((wchar_t)0xFEFF, stderr);
}
dk4fput_stderr_initialized = 1;
}
#endif
}
void
dk4fput_initialize_stderr_no_bom(void)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (0 == dk4fput_stderr_initialized) {
dk4fput_stderr_oldmode = _setmode(_fileno(stderr), _O_U16TEXT);
dk4fput_stderr_initialized = 1;
}
#endif
}
void
dk4fput_cleanup_stderr(void)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (0 != dk4fput_stderr_initialized) {
fflush(stderr);
(void)_setmode(_fileno(stdout), dk4fput_stderr_oldmode);
}
#endif
}
void
dk4fput_initialize_file(FILE *fipo)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (NULL != fipo) {
(void)_setmode(_fileno(fipo), _O_U16TEXT);
fputwc(0xFEFF, fipo);
}
#endif
}
void
dk4fput_initialize_file_no_bom(FILE *fipo)
{
#if DK4_ON_WINDOWS && (DK4_CHAR_SIZE > 1)
if (NULL != fipo) {
(void)_setmode(_fileno(fipo), _O_U16TEXT);
}
#endif
}
int
dk4fputc(dkChar c, FILE *fipo, dk4_er_t *erp)
{
#if DK4_CHAR_SIZE > 1
#if DK4_CHAR_SIZE == DK4_SIZEOF_WCHAR_T
#if DK4_HAVE_FPUTWC
int back = 0;
$? "+ dk4fputc (wide) %lx", (unsigned long)c
if (NULL != fipo) {
errno = 0;
if (WEOF != fputwc(c, fipo)) {
back = 1;
} else {
dk4error_set_idetails(erp, DK4_E_WRITE_FAILED, errno);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
} $? "- dk4fputc (wide) %d", back
return back;
#else
dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
return 0;
#endif
#else
dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
return 0;
#endif
#else
int back = 0;
if (NULL != fipo) {
errno = 0;
if (EOF != fputc(c, fipo)) {
back = 1;
} else {
dk4error_set_idetails(erp, DK4_E_WRITE_FAILED, errno);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
#endif
}
int
dk4fputs(const dkChar *s, FILE *fipo, dk4_er_t *erp)
{
#if DK4_CHAR_SIZE > 1
#if DK4_CHAR_SIZE == DK4_SIZEOF_WCHAR_T
#if DK4_HAVE_FPUTWS
int back = 0;
if ((NULL != s) && (NULL != fipo)) {
errno = 0;
if (WEOF != fputws(s, fipo)) {
back = 1;
} else {
dk4error_set_idetails(erp, DK4_E_WRITE_FAILED, errno);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
#else
dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
return 0;
#endif
#else
dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
return 0;
#endif
#else
int back = 0;
if ((NULL != s) && (NULL != fipo)) {
errno = 0;
if (EOF != fputs(s, fipo)) {
back = 1;
} else {
dk4error_set_idetails(erp, DK4_E_WRITE_FAILED, errno);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
#endif
}
|
