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%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
SPDX-License-Identifier: BSD-3-Clause
%% header
/** @file
Simple conversion from char to wchar_t.
CRT on Windows: Not used.
*/
#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif
#ifndef DK4TYPES_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4types.h"
#else
#include <dktools-4/dk4types.h>
#endif
#endif
#ifndef DK4ERROR_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4error.h"
#else
#include <dktools-4/dk4error.h>
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** Recode string from ASCII (0x00 to 0x7F) to wchar_t.
Use this function only for real ASCII source strings with characters
in range 0x00 to 0x7F (i.e. to convert numbers, dates, or
english text).
@param dstb Destination buffer.
@param szdstb Size of destination buffer (number of dkChar).
@param src Source string to convert.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
Error codes:
- DK4_E_INVALID_ARGUMENTS<br>
if dstb or src is NULL or szdstb is 0,
- DK4_E_BUFFER_TOO_SMALL<br>
if the dstb buffer is too small.
*/
int
dk4recode_char_to_wchar_t(
wchar_t *dstb, size_t szdstb, const char *src, dk4_er_t *erp
);
#ifdef __cplusplus
}
#endif
%% module
#include "dk4conf.h"
#include "dk4rec23.h"
#include "dk4str8.h"
#if DK4_HAVE_STRING_H
#ifndef STRING_H_INCLUDED
#include <string.h>
#define STRING_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
$!trace-include
int
dk4recode_char_to_wchar_t(
wchar_t *dstb, size_t szdstb, const char *src, dk4_er_t *erp
)
{
int back = 0;
#if DK4_USE_ASSERT
assert(NULL != dstb);
assert(0 < szdstb);
assert(NULL != src);
#endif
if ((NULL != dstb) && (NULL != src) && (0 < szdstb)) {
*dstb = L'\0';
if (dk4str8_len(src) < szdstb) {
while ('\0' != *src) {
*(dstb++) = (wchar_t)((unsigned char)(*(src++)));
}
*dstb = L'\0';
back = 1;
} else {
dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
}
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