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Note the LENGTH STRING typemap changes and tidy up

This commit is contained in:
William S Fulton 2025-07-28 19:22:13 +01:00
parent cb68446ece
commit 7c478b5e17
3 changed files with 14 additions and 17 deletions
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3
CHANGES.current
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@ -7,6 +7,9 @@ the issue number to the end of the URL: https://github.com/swig/swig/issues/
Version 4.4.0 (in progress)
===========================
2025-07-28: erezgeva
#2937 Add missing support for (size_t LENGTH, char *STRING) multi-argument typemaps.
2025-07-23: jim-easterbrook
[Python] #3218 Added weakref support to builtin wrappers.

4
Doc/Manual/Library.html
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@ -940,7 +940,7 @@ The <tt>(char *STRING, int LENGTH)</tt> multi-argument typemap is also available
</p>
<p>
We also support passing parameters in reverse order
SWIG also supports passing these parameters but in reverse order, for example:
</p>
<div class="code">
@ -953,7 +953,7 @@ size_t parity(size_t len, char *str, size_t initial);
<p>
The usage from target language will be identical.
In the wrapper function, the passed string will be expanded to a length parameter and pointer.
In the wrapper function, the supplied string will be expanded to a length parameter and pointer.
</p>
<H3><a name="Library_nn11">12.3.3 Using %newobject to release memory</a></H3>

16
Lib/csharp/csharp.swg
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@ -1142,8 +1142,7 @@ SWIGEXPORT char *SWIGSTDCALL SWIG_csharp_string_str(SWIG_csharp_string *p) {
%typemap(imtype) (const char *STRING, size_t LENGTH) "global::System.IntPtr"
%typemap(csin) (const char *STRING, size_t LENGTH) "$modulePINVOKE.SWIGStringWithLengthHelper.SWIG_csharp_string_to_c($csinput)"
%typemap(in, canthrow=1, fragment="SWIG_csharp_string") (const char *STRING, size_t LENGTH) {
SWIG_csharp_string *p;
p = (SWIG_csharp_string *)$input;
SWIG_csharp_string *p = (SWIG_csharp_string *)$input;
if (p) {
$1 = ($1_ltype)p->str;
$2 = ($2_ltype)p->size; /* We use number of bytes */
@ -1153,8 +1152,7 @@ SWIGEXPORT char *SWIGSTDCALL SWIG_csharp_string_str(SWIG_csharp_string *p) {
}
}
%typemap(freearg, fragment="SWIG_csharp_string") (const char *STRING, size_t LENGTH) {
SWIG_csharp_string *p;
p = (SWIG_csharp_string *)$input;
SWIG_csharp_string *p = (SWIG_csharp_string *)$input;
if (p) {
free(p->str);
free(p);
@ -1184,8 +1182,7 @@ SWIGEXPORT char *SWIGSTDCALL SWIG_csharp_string_str(SWIG_csharp_string *p) {
%typemap(imtype) (size_t LENGTH, const char *STRING) "global::System.IntPtr"
%typemap(csin) (size_t LENGTH, const char *STRING) "$modulePINVOKE.SWIGStringWithLengthHelper.SWIG_csharp_string_to_c($csinput)"
%typemap(in, canthrow=1, fragment="SWIG_csharp_string") (size_t LENGTH, const char *STRING) {
SWIG_csharp_string *p;
p = (SWIG_csharp_string *)$input;
SWIG_csharp_string *p = (SWIG_csharp_string *)$input;
if (p) {
$2 = ($2_ltype)p->str;
$1 = ($1_ltype)p->size; /* We use number of bytes */
@ -1194,16 +1191,13 @@ SWIGEXPORT char *SWIGSTDCALL SWIG_csharp_string_str(SWIG_csharp_string *p) {
$2 = 0;
}
}
%typemap(freearg, fragment="SWIG_csharp_string") (size_t LENGTH, const char *STRING) %{
{
SWIG_csharp_string *p;
p = (SWIG_csharp_string *)$input;
%typemap(freearg, fragment="SWIG_csharp_string") (size_t LENGTH, const char *STRING) {
SWIG_csharp_string *p = (SWIG_csharp_string *)$input;
if (p) {
free(p->str);
free(p);
}
}
%}
%typemap(directorin) (size_t LENGTH, const char *STRING) %{
if ($2 && $1 > 0) {
$input = malloc(sizeof(SWIG_csharp_string));