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05a13d5cf7
This rewrite, due to SATO Kentaro, uses GetWindowTextLength (which I hadn't known about) to find the correct size to allocate the buffer the first time, avoiding the need to keep growing it until a call to GetDlgItemText doesn't have to truncate the result.
28 lines
709 B
C
28 lines
709 B
C
/*
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* Handy wrappers around GetDlgItemText (A and W) which don't make you
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* invent an arbitrary length limit on the output string. Returned
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* string is dynamically allocated; caller must free.
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*/
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#include <wchar.h>
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#include "putty.h"
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char *GetDlgItemText_alloc(HWND hwnd, int id)
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{
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HWND item = GetDlgItem(hwnd, id);
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size_t size = GetWindowTextLengthA(item) + 1;
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char *text = snewn(size, char);
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GetWindowTextA(item, text, size);
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return text;
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}
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wchar_t *GetDlgItemTextW_alloc(HWND hwnd, int id)
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{
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HWND item = GetDlgItem(hwnd, id);
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size_t size = GetWindowTextLengthW(item) + 1;
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wchar_t *text = snewn(size, wchar_t);
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GetWindowTextW(item, text, size);
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return text;
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}
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