enhanced parsing getline

added qse_cstrdup()/qse_wcstrdup()/qse_mcstrdup()

qse/include/qse/awk/awk.h

@@ -1657,6 +1657,16 @@ void* qse_awk_reallocmem (
 	qse_size_t size  /**< new block size in bytes */
 );
 
+/**
+ * The qse_awk_callocmem() function allocates a memory block of 
+ * the size of @a size bytes and initializes it with 0.
+ * @return a pointer to a memory block on success, #QSE_NULL on failure
+ */
+void* qse_awk_callocmem (
+	qse_awk_t* awk,  /**< awk */
+	qse_size_t size  /**< size of memory to allocate in bytes */
+);
+
 /**
  * The qse_awk_freemem() function frees dynamic memory allocated.
  */
@@ -1668,7 +1678,8 @@ void qse_awk_freemem (
 /**
  * The qse_awk_strdup() function is used to duplicate a string using
  * the memory manager used by the associated qse_awk_t instance.
- * The new string should be freed using the qse_awk_free() function.
+ * The new string must be freed using the qse_awk_freemem() function when
+ * it's not needed any more.
  *
  * @return a pointer to a new string duplicated of @a s on success, 
  *         #QSE_NULL on failure.
@@ -1681,8 +1692,8 @@ qse_char_t* qse_awk_strdup (
 /**
  * The qse_awk_strxdup() function is used to duplicate a string whose length
  * is as long as len characters using the memory manager used by the 
- * qse_awk_t instance. The new string should be freed using the qse_awk_free()
- * function.
+ * qse_awk_t instance. The new string must be freed using the qse_awk_freemem()
+ * function it's not needed any more.
  *
  * @return a pointer to a new string duplicated of @a s on success, 
  *         #QSE_NULL on failure.
@@ -1693,6 +1704,19 @@ qse_char_t* qse_awk_strxdup (
 	qse_size_t        len  /**< string length */
 );
 
+/**
+ * The qse_awk_cstrdup() funcation duplicates @a str->len characters from a 
+ * string pointed to by @str->ptr. The duplicated string must be freed with
+ * the qse_awk_freemem() function when it's not needed any more.
+ * 
+ * @return pointer to a duplicated string on success,
+ *         #QSE_NULL on failure.
+ */
+qse_char_t* qse_awk_cstrdup (
+	qse_awk_t*        awk, /**< awk */
+	const qse_cstr_t* str  /**< string */
+);
+
 /**
  * The qse_awk_strxtolong() function converts a string to an integer.
  */
@@ -2524,6 +2548,16 @@ void* qse_awk_rtx_reallocmem (
 	qse_size_t     size /**< block size in bytes */
 );
 
+/**
+ * The qse_awk_rtx_callocmem() function allocates a memory block of 
+ * the size of @a size bytes and initializes it with 0.
+ * @return a pointer to a memory block on success, #QSE_NULL on failure
+ */
+void* qse_awk_rtx_callocmem (
+	qse_awk_rtx_t* rtx, /**< runtime context */
+	qse_size_t     size /**< block size in bytes */
+);
+
 /**
  * The qse_awk_rtx_freemem() function frees a memory block pointed to by @a ptr
  * using the memory manager of a runtime ocntext @a rtx.

qse/include/qse/cmn/str.h

@@ -998,12 +998,6 @@ qse_mchar_t* qse_mbsadup (
 	qse_mmgr_t*        mmgr
 );
 
-qse_mchar_t* qse_mbsxadup (
-	const qse_mcstr_t str[],
-	qse_size_t*       len,
-	qse_mmgr_t*       mmgr
-);
-
 qse_wchar_t* qse_wcsdup (
 	const qse_wchar_t* str,
 	qse_mmgr_t*        mmgr
@@ -1035,26 +1029,48 @@ qse_wchar_t* qse_wcsadup (
 	qse_mmgr_t*        mmgr
 );
 
-qse_wchar_t* qse_wcsxadup (
-	const qse_wcstr_t str[],
-	qse_size_t*       len,
-	qse_mmgr_t*       mmgr
-);
-
 #ifdef QSE_CHAR_IS_MCHAR
 #	define qse_strdup(s,mmgr)             qse_mbsdup(s,mmgr)
 #	define qse_strdup2(s1,s2,mmgr)        qse_mbsdup2(s1,s2,mmgr)
 #	define qse_strxdup(s,l,mmgr)          qse_mbsxdup(s,l,mmgr)
 #	define qse_strxdup2(s1,l1,s2,l2,mmgr) qse_mbsxdup(s1,l1,s2,l2,mmgr)
 #	define qse_stradup(sa,len,mmgr)       qse_mbsadup(sa,len,mmgr)
-#	define qse_strxadup(sa,len,mmgr)      qse_mbsxadup(sa,len,mmgr)
 #else
 #	define qse_strdup(s,mmgr)             qse_wcsdup(s,mmgr)
 #	define qse_strdup2(s1,s2,mmgr)        qse_wcsdup2(s1,s2,mmgr)
 #	define qse_strxdup(s,l,mmgr)          qse_wcsxdup(s,l,mmgr)
 #	define qse_strxdup2(s1,l1,s2,l2,mmgr) qse_wcsxdup(s1,l1,s2,l2,mmgr)
 #	define qse_stradup(sa,len,mmgr)       qse_wcsadup(sa,len,mmgr)
-#	define qse_strxadup(sa,len,mmgr)      qse_wcsxadup(sa,len,mmgr)
+#endif
+
+qse_mchar_t* qse_mcstrdup (
+	const qse_mcstr_t* str,
+	qse_mmgr_t*        mmgr
+);
+
+qse_mchar_t* qse_mcstradup (
+	const qse_mcstr_t str[],
+	qse_size_t*       len,
+	qse_mmgr_t*       mmgr
+);
+
+qse_wchar_t* qse_wcstrdup (
+	const qse_wcstr_t* str,
+	qse_mmgr_t*        mmgr
+);
+
+qse_wchar_t* qse_wcstradup (
+	const qse_wcstr_t str[],
+	qse_size_t*       len,
+	qse_mmgr_t*       mmgr
+);
+
+#ifdef QSE_CHAR_IS_MCHAR
+#	define qse_cstrdup(sa,mmgr)           qse_mcstrdup(sa,mmgr)
+#	define qse_cstradup(sa,len,mmgr)      qse_mcstradup(sa,len,mmgr)
+#else
+#	define qse_cstrdup(sa,mmgr)           qse_wcstrdup(sa,mmgr)
+#	define qse_cstradup(sa,len,mmgr)      qse_wcstradup(sa,len,mmgr)
 #endif
 
 /**