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Thread-secure setlocale(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2014-01-08 23:10:01 +01:00
parent c4e6888fd9
commit 3361620d83
1 changed files with 5 additions and 1 deletions
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6
libc/locale/setlocale.cpp
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@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012.
Copyright(C) Jonas 'Sortie' Termansen 2012, 2014.
This file is part of the Sortix C Library.
@ -25,9 +25,11 @@
#define __SORTIX_STDLIB_REDIRECTS 0
#include <errno.h>
#include <locale.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
static pthread_mutex_t locale_lock = PTHREAD_MUTEX_INITIALIZER;
static char* current_locales[LC_NUM_CATEGORIES] = { NULL };
extern "C" const char* sortix_setlocale(int category, const char* locale)
@ -48,11 +50,13 @@ extern "C" const char* sortix_setlocale(int category, const char* locale)
return NULL;
}
}
pthread_mutex_lock(&locale_lock);
for ( int i = from; i <= to; i++ )
{
free(current_locales[i]);
current_locales[i] = new_strings[i];
}
pthread_mutex_unlock(&locale_lock);
return locale;
}