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Clean up HB_NO_SETLOCALE 

https://github.com/harfbuzz/harfbuzz/pull/3358#pullrequestreview-850500143
This commit is contained in:
Behdad Esfahbod 2022-01-12 10:54:28 -07:00
parent 53847dba92
commit 13643934aa
1 changed files with 27 additions and 20 deletions
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47
src/hb-common.cc
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@ -29,14 +29,30 @@
#include "hb.hh"
#include "hb-machinery.hh"
#include <locale.h>
#if !defined(HAVE_NEWLOCALE) || !defined(HAVE_USELOCALE)
#define HB_NO_SETLOCALE 1
#endif
#ifndef HB_NO_SETLOCALE
#include <locale.h>
#ifdef HAVE_XLOCALE_H
#include <xlocale.h> // Needed on BSD/OS X for uselocale
#endif
#ifdef HB_NO_SETLOCALE
#ifdef WIN32
using hb_locale_t = _locale_t;
#else
using hb_locale_t = locale_t;
#endif
#else
using hb_locale_t = void *;
#define hb_locale_t void *
#define setlocale(Category, Locale) "C"
#define uselocale(Locale) ((hb_locale_t) 0)
#endif
/**
@ -1043,20 +1059,16 @@ hb_variation_from_string (const char *str, int len,
return false;
}
#if !defined(HARFBUZZ_NO_SETLOCALE) && defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE)
#ifdef WIN32
using locale_t = _locale_t;
#endif
#ifndef HB_NO_SETLOCALE
static inline void free_static_C_locale ();
static struct hb_C_locale_lazy_loader_t : hb_lazy_loader_t<hb_remove_pointer<locale_t>,
static struct hb_C_locale_lazy_loader_t : hb_lazy_loader_t<hb_remove_pointer<hb_locale_t>,
hb_C_locale_lazy_loader_t>
{
static locale_t create ()
static hb_locale_t create ()
{
locale_t l = newlocale (LC_ALL_MASK, "C", NULL);
hb_locale_t l = newlocale (LC_ALL_MASK, "C", NULL);
if (!l)
return l;
@ -1064,13 +1076,13 @@ static struct hb_C_locale_lazy_loader_t : hb_lazy_loader_t<hb_remove_pointer<loc
return l;
}
static void destroy (locale_t l)
static void destroy (hb_locale_t l)
{
freelocale (l);
}
static locale_t get_null ()
static hb_locale_t get_null ()
{
return (locale_t) 0;
return (hb_locale_t) 0;
}
} static_C_locale;
@ -1080,17 +1092,12 @@ void free_static_C_locale ()
static_C_locale.free_instance ();
}
static locale_t
static hb_locale_t
get_C_locale ()
{
return static_C_locale.get_unconst ();
}
#else
#ifdef WIN32
#define locale_t void *
#endif
#define uselocale(Locale) ((locale_t) 0)
#endif
/**
@ -1119,7 +1126,7 @@ hb_variation_to_string (hb_variation_t *variation,
len--;
s[len++] = '=';
locale_t oldlocale HB_UNUSED;
hb_locale_t oldlocale HB_UNUSED;
oldlocale = uselocale (get_C_locale ());
len += hb_max (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%g", (double) variation->value));
(void) uselocale (oldlocale);