added hcl_copy_ucstr_to_bcstr(), hcl_copy_bcstr_to_ucstr(), hcl_errnum_to_errbcstr(), hcl_errnum_to_errucstr()

lib/err.c

@@ -172,6 +172,31 @@ const hcl_ooch_t* hcl_errnum_to_errstr (hcl_errnum_t errnum)
 	return (errnum >= 0 && errnum < HCL_COUNTOF(errstr))? errstr[errnum]: e_unknown;
 }
 
+const hcl_bch_t* hcl_errnum_to_errbcstr (hcl_errnum_t errnum, hcl_bch_t* buf, hcl_oow_t len)
+{
+	static hcl_bch_t e_unknown[] = {'u','n','k','n','o','w','n',' ','e','r','r','o','r','\0'};
+
+	/* it's ok to copy without conversion because the messages above are simple acsii text */
+#if defined(HCL_OOCH_IS_BCH)
+	hcl_copy_bcstr(buf, len, (errnum >= 0 && errnum < HCL_COUNTOF(errstr))? errstr[errnum]: e_unknown);
+#else
+	hcl_copy_ucstr_to_bcstr(buf, len, (errnum >= 0 && errnum < HCL_COUNTOF(errstr))? errstr[errnum]: e_unknown);
+#endif
+	return buf;
+}
+
+const hcl_uch_t* hcl_errnum_to_errucstr (hcl_errnum_t errnum, hcl_uch_t* buf, hcl_oow_t len)
+{
+	static hcl_uch_t e_unknown[] = {'u','n','k','n','o','w','n',' ','e','r','r','o','r','\0'};
+	/* it's ok to copy without conversion because the messages above are simple acsii text */
+#if defined(HCL_OOCH_IS_BCH)
+	hcl_copy_bcstr_to_ucstr(buf, len, (errnum >= 0 && errnum < HCL_COUNTOF(errstr))? errstr[errnum]: e_unknown);
+#else
+	hcl_copy_ucstr(buf, len, (errnum >= 0 && errnum < HCL_COUNTOF(errstr))? errstr[errnum]: e_unknown);
+#endif
+	return buf;
+}
+
 static const hcl_bch_t* synerr_to_errstr (hcl_synerrnum_t errnum)
 {
 	static hcl_bch_t e_unknown[] = "unknown error";

lib/hcl-utl.h

@@ -452,6 +452,18 @@ HCL_EXPORT void hcl_copy_uchars_to_bchars (
 	hcl_oow_t        len
 );
 
+HCL_EXPORT hcl_oow_t hcl_copy_bcstr_to_ucstr (
+	hcl_uch_t*       dst,
+	hcl_oow_t        len,
+	const hcl_bch_t* src
+);
+
+HCL_EXPORT hcl_oow_t hcl_copy_ucstr_to_bcstr (
+	hcl_bch_t*       dst,
+	hcl_oow_t        len,
+	const hcl_uch_t* src
+);
+
 HCL_EXPORT hcl_oow_t hcl_copy_uchars_to_ucstr_unlimited (
 	hcl_uch_t*       dst,
 	const hcl_uch_t* src,

lib/hcl.h

@@ -2119,6 +2119,18 @@ HCL_EXPORT const hcl_ooch_t* hcl_errnum_to_errstr (
 	hcl_errnum_t errnum
 );
 
+HCL_EXPORT const hcl_bch_t* hcl_errnum_to_errbcstr (
+	hcl_errnum_t errnum,
+	hcl_bch_t*   buf,
+	hcl_oow_t    len
+);
+
+HCL_EXPORT const hcl_uch_t* hcl_errnum_to_errucstr (
+	hcl_errnum_t errnum,
+	hcl_uch_t*   buf,
+	hcl_oow_t    len
+);
+
 /**
  * The hcl_getoption() function gets the value of an option
  * specified by \a id into the buffer pointed to by \a value.

lib/utl.c

@@ -229,6 +229,42 @@ void hcl_copy_uchars_to_bchars (hcl_bch_t* dst, const hcl_uch_t* src, hcl_oow_t
 	for (i = 0; i < len; i++) dst[i] = src[i];
 }
 
+hcl_oow_t hcl_copy_bcstr_to_ucstr (hcl_uch_t* dst, hcl_oow_t len, const hcl_bch_t* src)
+{
+	/* copy without conversions.
+	 * the code is the same as hcl_copy_bcstr() except type of src */
+	hcl_uch_t* p, * p2;
+
+	p = dst; p2 = dst + len - 1;
+
+	while (p < p2)
+	{
+		 if (*src == '\0') break;
+		 *p++ = *src++;
+	}
+
+	if (len > 0) *p = '\0';
+	return p - dst;
+}
+
+hcl_oow_t hcl_copy_ucstr_to_bcstr (hcl_bch_t* dst, hcl_oow_t len, const hcl_uch_t* src)
+{
+	/* copy without conversions */
+	hcl_bch_t* p, * p2;
+
+	p = dst; p2 = dst + len - 1;
+
+	while (p < p2)
+	{
+		 if (*src == '\0') break;
+		 *p++ = *src++;
+	}
+
+	if (len > 0) *p = '\0';
+	return p - dst;
+}
+
+
 hcl_oow_t hcl_copy_uchars_to_ucstr (hcl_uch_t* dst, hcl_oow_t dlen, const hcl_uch_t* src, hcl_oow_t slen)
 {
 	hcl_oow_t i;