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fallback: check for existence of std:: namespace functions

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Before defining fallback functions of wcsdup(), wcscasecmp() and
wcsncasecmp(), use the std:: namespace functions instead if they exist.

0019c12af3 fixed the build on Solaris 10, but broke it on Solaris 11.
This commit is contained in:
David Adam 2017-03-06 21:23:24 +08:00
parent db63be7909
commit 002757225a
3 changed files with 29 additions and 17 deletions
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12
src/common.h
View file

@ -858,18 +858,6 @@ static const wchar_t *enum_to_str(T enum_val, const enum_map<T> map[]) {
return NULL;
};
#if !defined(HAVE_WCSDUP) && defined(HAVE_STD__WCSDUP)
using std::wcsdup;
#endif
#if !defined(HAVE_WCSCASECMP) && defined(HAVE_STD__WCSCASECMP)
using std::wcscasecmp;
#endif
#if !defined(HAVE_WCSNCASECMP) && defined(HAVE_STD__WCSNCASECMP)
using std::wcsncasecmp;
#endif
void redirect_tty_output();
// Minimum allowed terminal size and default size if the detected size is not reasonable.

10
src/fallback.cpp
View file

@ -171,14 +171,20 @@ int wcsncasecmp(const wchar_t *a, const wchar_t *b, size_t n) {
#endif // __DARWIN_C_LEVEL >= 200809L
#else // __APPLE__
/// These functions are missing from Solaris 10
#ifndef HAVE_WCSDUP
#ifndef HAVE_STD__WCSDUP
wchar_t *wcsdup(const wchar_t *in) { return wcsdup_fallback(in); }
#endif
#endif
#ifndef HAVE_WCSCASECMP
#ifndef HAVE_STD__WCSCASECMP
int wcscasecmp(const wchar_t *a, const wchar_t *b) { return wcscasecmp_fallback(a, b); }
#endif
#endif
#ifndef HAVE_WCSNCASECMP
#ifndef HAVE_STD__WCSNCASECMP
int wcsncasecmp(const wchar_t *a, const wchar_t *b, size_t n) {
return wcsncasecmp_fallback(a, b, n);
}
@ -196,6 +202,8 @@ wchar_t *wcsndup(const wchar_t *in, size_t c) {
}
#endif
#endif // __APPLE__
#ifndef HAVE_WCSLCPY
/*$OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $*/

24
src/fallback.h
View file

@ -89,16 +89,32 @@ wchar_t *wcsndup(const wchar_t *in, size_t c);
#endif
#else //__APPLE__
/// These functions are missing from Solaris 10
/// These functions are missing from Solaris 10, and only accessible from
/// Solaris 11 in the std:: namespace.
#ifndef HAVE_WCSDUP
#ifdef HAVE_STD__WCSDUP
using std::wcsdup;
#else
wchar_t *wcsdup(const wchar_t *in);
#endif
#endif // HAVE_STD__WCSDUP
#endif // HAVE_WCSDUP
#ifndef HAVE_WCSCASECMP
#ifdef HAVE_STD__WCSCASECMP
using std::wcscasecmp;
#else
int wcscasecmp(const wchar_t *a, const wchar_t *b);
#endif
#endif // HAVE_STD__WCSCASECMP
#endif // HAVE_WCSCASECMP
#ifndef HAVE_WCSNCASECMP
#ifdef HAVE_STD__WCSNCASECMP
using std::wcsncasecmp;
#else
int wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n);
#endif
#endif // HAVE_STD__WCSNCASECMP
#endif // HAVE_WCSNCASECMP
#ifndef HAVE_DIRFD
#ifndef __XOPEN_OR_POSIX
#define dirfd(d) (d->dd_fd)