enhanced sprintf to format a byte string when format is a byte string

qse/include/qse/awk/awk.h

@@ -2484,6 +2484,11 @@ qse_awk_val_t* qse_awk_rtx_makembsval (
 	qse_size_t         len
 );
 
+qse_awk_val_t* qse_awk_rtx_makembsvalwithmxstr (
+	qse_awk_rtx_t*     rtx,
+	const qse_mcstr_t* mxstr
+);
+
 /**
  * The qse_awk_rtx_makerexval() function creates a regular expression value.
  * \return value on success, #QSE_NULL on failure
@@ -2789,6 +2794,19 @@ QSE_EXPORT void qse_awk_rtx_freevalstr (
 	qse_char_t*          str  /**< string pointer */
 );
 
+
+QSE_EXPORT qse_mchar_t* qse_awk_rtx_getvalmbs (
+	qse_awk_rtx_t*       rtx, /**< runtime context */
+	const qse_awk_val_t* val, /**< value to convert */
+	qse_size_t*          len  /**< result length */
+);
+
+QSE_EXPORT void qse_awk_rtx_freevalmbs (
+	qse_awk_rtx_t*       rtx, /**< runtime context */
+	const qse_awk_val_t* val, /**< value to convert */
+	qse_mchar_t*          str  /**< string pointer */
+);
+
 /**
  * The qse_awk_rtx_valtonum() function converts a value to a number. 
  * If the value is converted to an integer, it is stored in the memory

qse/lib/awk/fnc.c

@@ -1303,14 +1303,61 @@ int qse_awk_fnc_sprintf (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 {
 	qse_size_t nargs;
 	qse_awk_val_t* a0;
+	qse_awk_val_type_t vtype;
+
+	nargs = qse_awk_rtx_getnargs (rtx);
+	QSE_ASSERT (nargs > 0);
+
+	a0 = qse_awk_rtx_getarg(rtx, 0);
+	vtype = QSE_AWK_RTX_GETVALTYPE(rtx, a0);
+	if (vtype == QSE_AWK_VAL_MBS)
+	{
+		qse_mbs_t out, fbu;
+		int out_inited = 0, fbu_inited = 0;
+		qse_mcstr_t cs0;
+		qse_mcstr_t x;
+
+		if (qse_mbs_init(&out, rtx->awk->mmgr, 256) <= -1)
+		{
+			qse_awk_rtx_seterrnum (rtx, QSE_AWK_ENOMEM, QSE_NULL);
+			goto oops_mbs;
+		}
+		out_inited = 1;
+
+		if (qse_mbs_init(&fbu, rtx->awk->mmgr, 256) <= -1)
+		{
+			qse_awk_rtx_seterrnum (rtx, QSE_AWK_ENOMEM, QSE_NULL);
+			goto oops_mbs;
+		}
+		fbu_inited = 1;
+
+		cs0.ptr = qse_awk_rtx_getvalmbs(rtx, a0, &cs0.len);
+		if (cs0.ptr == QSE_NULL) goto oops_mbs;
+
+		x.ptr = qse_awk_rtx_formatmbs(rtx, &out, &fbu, cs0.ptr, cs0.len, nargs, QSE_NULL, &x.len);
+		qse_awk_rtx_freevalmbs (rtx, a0, cs0.ptr);
+		if (!x.ptr) goto oops_mbs;
+		
+		a0 = qse_awk_rtx_makembsvalwithmxstr(rtx, &x);
+		if (a0 == QSE_NULL) goto oops_mbs;
+
+		qse_mbs_fini (&fbu);
+		qse_mbs_fini (&out);
+		qse_awk_rtx_setretval (rtx, a0);
+		return 0;
+
+	oops_mbs:
+		if (fbu_inited) qse_mbs_fini (&fbu);
+		if (out_inited) qse_mbs_fini (&out);
+		return -1;
+	}
+	else
+	{
 		qse_str_t out, fbu;
 		int out_inited = 0, fbu_inited = 0;
 		qse_cstr_t cs0;
 		qse_cstr_t x;
 
-	nargs = qse_awk_rtx_getnargs (rtx);
-	QSE_ASSERT (nargs > 0);
-
 		if (qse_str_init(&out, rtx->awk->mmgr, 256) <= -1)
 		{
 			qse_awk_rtx_seterrnum (rtx, QSE_AWK_ENOMEM, QSE_NULL);
@@ -1325,7 +1372,6 @@ int qse_awk_fnc_sprintf (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
 		}
 		fbu_inited = 1;
 
-	a0 = qse_awk_rtx_getarg (rtx, 0);
 		cs0.ptr = qse_awk_rtx_getvalstr(rtx, a0, &cs0.len);
 		if (cs0.ptr == QSE_NULL) goto oops;
 
@@ -1346,6 +1392,7 @@ oops:
 		if (out_inited) qse_str_fini (&out);
 		return -1;
 	}
+}
 
 static int fnc_int (qse_awk_rtx_t* run, const qse_awk_fnc_info_t* fi)
 {

qse/lib/awk/val.c

@@ -422,6 +422,11 @@ qse_awk_val_t* qse_awk_rtx_makembsval (qse_awk_rtx_t* rtx, const qse_mchar_t* pt
 	return (qse_awk_val_t*)val;
 }
 
+qse_awk_val_t* qse_awk_rtx_makembsvalwithmxstr (qse_awk_rtx_t* rtx, const qse_mcstr_t* mxstr)
+{
+	return qse_awk_rtx_makembsval(rtx, mxstr->ptr, mxstr->len);
+}
+
 qse_awk_val_t* qse_awk_rtx_makerexval (qse_awk_rtx_t* rtx, const qse_cstr_t* str, void* code[2])
 {
 	qse_awk_val_rex_t* val;
@@ -1583,6 +1588,29 @@ void qse_awk_rtx_freevalstr (qse_awk_rtx_t* rtx, const qse_awk_val_t* v, qse_cha
 	}
 }
 
+
+qse_mchar_t* qse_awk_rtx_getvalmbs (qse_awk_rtx_t* rtx, const qse_awk_val_t* v, qse_size_t* len)
+{
+	if (QSE_AWK_RTX_GETVALTYPE(rtx, v) == QSE_AWK_VAL_MBS)
+	{
+		if (len) *len = ((qse_awk_val_mbs_t*)v)->val.len;
+		return ((qse_awk_val_mbs_t*)v)->val.ptr;
+	}
+	else
+	{
+		return qse_awk_rtx_valtombsdup(rtx, v, len);
+	}
+}
+
+void qse_awk_rtx_freevalmbs (qse_awk_rtx_t* rtx, const qse_awk_val_t* v, qse_mchar_t* str)
+{
+	if (QSE_AWK_RTX_GETVALTYPE(rtx, v) != QSE_AWK_VAL_MBS ||
+	    str != ((qse_awk_val_mbs_t*)v)->val.ptr)
+	{
+		qse_awk_rtx_freemem (rtx, str);
+	}
+}
+
 static int val_ref_to_num (qse_awk_rtx_t* rtx, const qse_awk_val_ref_t* ref, qse_awk_int_t* l, qse_awk_flt_t* r)
 {
 	switch (ref->id)