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32 lines
851 B
32 lines
851 B
// Scintilla source code edit control |
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/** @file StringCopy.h |
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** Safe string copy function which always NUL terminates. |
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** ELEMENTS macro for determining array sizes. |
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**/ |
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// Copyright 2013 by Neil Hodgson <neilh@scintilla.org> |
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// The License.txt file describes the conditions under which this software may be distributed. |
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#ifndef STRINGCOPY_H |
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#define STRINGCOPY_H |
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namespace Lexilla { |
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// Safer version of string copy functions like strcpy, wcsncpy, etc. |
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// Instantiate over fixed length strings of both char and wchar_t. |
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// May truncate if source doesn't fit into dest with room for NUL. |
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template <typename T, size_t count> |
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void StringCopy(T (&dest)[count], const T* source) { |
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for (size_t i=0; i<count; i++) { |
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dest[i] = source[i]; |
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if (!source[i]) |
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break; |
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} |
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dest[count-1] = 0; |
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} |
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#define ELEMENTS(a) (sizeof(a) / sizeof(a[0])) |
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} |
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#endif
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