Safecall: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: Safecall
| Old | New | Line | |
|---|---|---|---|
| 1 | + | Back to [[Reserved words]]. | |
| 2 | + | ||
| 3 | + | The **safecall** modifier: | |
| 4 | + | ||
| 5 | + | - belongs to the calling conventions of internal and external subroutines; | |
| 6 | + | - works like the [[Stdcall|stdcall]] modifier, with the difference that the register contents are saved and restored. | |
| 7 | + | ||
| 8 | + | Example: | |
| 9 | + | ||
| 10 | + | ``` pascal | |
| 11 | + | function subTest : string; [safecall]; | |
| 12 | + | begin | |
| 13 | + | subTest := 'abc'; | |
| 14 | + | end; | |
| 15 | + | ``` | |
| 16 | + | ||
| 17 | + | Example 2: | |
| 18 | + | ||
| 19 | + | ``` pascal | |
| 20 | + | ... | |
| 21 | + | function funcTest(strTestData : Pchar) : LongWord; safecall; external 'testLibrary.dylib'; | |
| 22 | + | ... | |
| 23 | + | ``` | |
| 24 | + | ||
| 25 | + | --- | |
| 26 | + | *From the Free Pascal wiki, page "Safecall", as it stood on 2020-02-26 after a change by Trev, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |