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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4rec01.ctr
Initial commit
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diff --git a/support/dktools/dk4rec01.ctr b/support/dktools/dk4rec01.ctr
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+%% options
+
+copyright owner = Dirk Krause
+copyright year = 2015-xxxx
+license = bsd
+
+
+%% header
+
+/** @file
+ String recoding from ASCII to ANSI.
+
+ 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 ASCII to ANSI.
+ @param dstb Destination buffer.
+ @param szdstb Size of destination buffer (number of bytes).
+ @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 src or dstb is NULL or szdstb is 0,
+ - DK4_E_BUFFER_TOO_SMALL<br>
+ if dstb is too small,
+ - DK4_E_SYNTAX<br>
+ with the number of successfully recoded characters in nelem if a
+ non-recodable character was found.
+*/
+int
+dk4recode_ascii_to_ansi(
+ char *dstb, size_t szdstb, const char *src, dk4_er_t *erp
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+%% module
+
+#include "dk4rec01.h"
+#include "dk4ansi.h"
+
+
+
+int
+dk4recode_ascii_to_ansi(
+ char *dstb, size_t szdstb, const char *src, dk4_er_t *erp
+)
+{
+ size_t used = 0;
+ dk4_c32_t c32 = dkC32(0);
+ int back = 0;
+ unsigned char uc = '\0';
+ if ((NULL != dstb) && (0 < szdstb) && (NULL != src)) {
+ back = 1;
+ while(('\0' != *src) && (1 == back) && (used < szdstb)) {
+ uc = (unsigned char)(*(src++));
+ c32 = (dk4_c32_t)uc;
+ if (0 != dk4ansi_encode(&uc, c32)) {
+ dstb[used++] = (char)uc;
+ } else {
+ back = 0;
+ dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, used);
+ }
+ }
+ if (used < szdstb) {
+ dstb[used] = '\0';
+ } else {
+ dstb[szdstb - 1] = '\0';
+ back = 0;
+ dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
+ }
+ } else {
+ dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
+ }
+ return back;
+}
+
+