From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 2 Sep 2019 13:46:59 +0900 Subject: Initial commit --- support/dktools/dk4rec24.ctr | 97 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 support/dktools/dk4rec24.ctr (limited to 'support/dktools/dk4rec24.ctr') diff --git a/support/dktools/dk4rec24.ctr b/support/dktools/dk4rec24.ctr new file mode 100644 index 0000000000..c25cb0277e --- /dev/null +++ b/support/dktools/dk4rec24.ctr @@ -0,0 +1,97 @@ +%% options + +copyright owner = Dirk Krause +copyright year = 2015-xxxx +license = bsd + + + +%% header + +/** @file + Simple conversion from wchar_t to char. + + CRT on Windows: Not used. +*/ + +#ifndef DK4CONF_H_INCLUDED +#include "dk4conf.h" +#endif + +#ifndef DK4TYPES_H_INCLUDED +#include "dk4types.h" +#endif + +#ifndef DK4ERROR_H_INCLUDED +#include "dk4error.h" +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/** Recode string from wchar_t to ASCII (0x00 to 0x7F). + 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. + @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
+ if dstb or src is NULL or szdstb is 0, + - DK4_E_BUFFER_TOO_SMALL
+ if the dstb buffer is too small, + - DK4_E_SYNTAX
+ if the source string contains an illegal character (above 0x7F). +*/ +int +dk4recode_wchar_t_to_char( + char *dstb, size_t szdstb, const wchar_t *src, dk4_er_t *erp +); + +#ifdef __cplusplus +} +#endif + + + +%% module + +#include "dk4rec24.h" + + +int +dk4recode_wchar_t_to_char( + char *dstb, size_t szdstb, const wchar_t *src, dk4_er_t *erp +) +{ + size_t used = 0; + int back = 0; + if ((NULL != dstb) && (NULL != src) && (0 < szdstb)) { + back = 1; + while ((L'\0' != *src) && (1 == back)) { + if ((wchar_t)128 > *src) { + dstb[used++] = (char)(*(src++)); + } else { + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + back = 0; + } + } + if (used < szdstb) { + dstb[used] = '\0'; + } else { + dstb[szdstb-1] = '\0'; + dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); + back = 0; + } + } else { + dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); + } + return back; +} + + -- cgit v1.2.3