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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [string/] [wcsdup.c] - Rev 301
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/* FUNCTION <<wcsdup>>---wide character string duplicate INDEX wcsdup INDEX _wcsdup_r ANSI_SYNOPSIS #include <wchar.h> wchar_t *wcsdup(const wchar_t *<[str]>); #include <wchar.h> wchar_t *_wcsdup_r(struct _reent *<[ptr]>, const wchar_t *<[str]>); TRAD_SYNOPSIS #include <wchar.h> wchar_t *wcsdup(<[ptr]>, <[str]>) struct _reent *<[ptr]>; wchar_t *<[str]>; DESCRIPTION <<wcsdup>> allocates a new wide character string using <<malloc>>, and copies the content of the argument <[str]> into the newly allocated string, thus making a copy of <[str]>. RETURNS <<wcsdup>> returns a pointer to the copy of <[str]> if enough memory for the copy was available. Otherwise it returns NULL and errno is set to ENOMEM. PORTABILITY POSIX-1.2008 QUICKREF wcsdup */ #include <reent.h> #include <stdlib.h> #include <wchar.h> wchar_t * _wcsdup_r (struct _reent *p, const wchar_t *str) { size_t len = wcslen (str) + 1; wchar_t *copy = _malloc_r (p, len * sizeof (wchar_t)); if (copy) wmemcpy (copy, str, len); return copy; } #ifndef _REENT_ONLY wchar_t * wcsdup (const wchar_t *str) { return _wcsdup_r (_REENT, str); } #endif /* !_REENT_ONLY */
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