@@ -23,11 +23,11 @@
 
 #ifdef HAVE_WCHAR_H
 # include <wchar.h>
 #endif
 
-#ifdef HAVE_ASPRINTF_L
+#if defined(HAVE_ASPRINTF_L) || defined(HAVE_USELOCALE)
 # include <locale.h>
 #endif
 #ifdef HAVE_XLOCALE_H
 # include <xlocale.h>
 #endif
@@ -81,11 +81,11 @@
 		lengthModifierCapitalL
 	} lengthModifier;
 	bool useLocale;
 };
 
-#ifdef HAVE_ASPRINTF_L
+#if defined(HAVE_ASPRINTF_L) || defined(HAVE_USELOCALE)
 static locale_t cLocale;
 
 OF_CONSTRUCTOR()
 {
 	if ((cLocale = newlocale(LC_ALL_MASK, "C", NULL)) == NULL)
@@ -375,11 +375,11 @@
 static bool
 formatConversionSpecifierState(struct Context *ctx)
 {
 	char *tmp = NULL;
 	int tmpLen = 0;
-#ifndef HAVE_ASPRINTF_L
+#if !defined(HAVE_ASPRINTF_L) && !defined(HAVE_USELOCALE)
 	OFString *point;
 #endif
 
 	if (!appendSubformat(ctx, ctx->format + ctx->i, 1))
 		return false;
@@ -546,43 +546,57 @@
 	case 'a':
 	case 'A':
 		switch (ctx->lengthModifier) {
 		case lengthModifierNone:
 		case lengthModifierL:
-#ifdef HAVE_ASPRINTF_L
+#if defined(HAVE_ASPRINTF_L)
 			if (!ctx->useLocale)
 				tmpLen = asprintf_l(&tmp, cLocale,
 				    ctx->subformat,
 				    va_arg(ctx->arguments, double));
 			else
+#elif defined(HAVE_USELOCALE)
+			if (!ctx->useLocale) {
+				locale_t previousLocale = uselocale(cLocale);
+				tmpLen = asprintf(&tmp, ctx->subformat,
+				    va_arg(ctx->arguments, double));
+				uselocale(previousLocale);
+			} else
 #endif
 				tmpLen = asprintf(&tmp, ctx->subformat,
 				    va_arg(ctx->arguments, double));
 			break;
 		case lengthModifierCapitalL:
-#ifdef HAVE_ASPRINTF_L
+#if defined(HAVE_ASPRINTF_L)
 			if (!ctx->useLocale)
 				tmpLen = asprintf_l(&tmp, cLocale,
 				    ctx->subformat,
 				    va_arg(ctx->arguments, long double));
 			else
+#elif defined(HAVE_USELOCALE)
+			if (!ctx->useLocale) {
+				locale_t previousLocale = uselocale(cLocale);
+				tmpLen = asprintf(&tmp, ctx->subformat,
+				    va_arg(ctx->arguments, long double));
+				uselocale(previousLocale);
+			} else
 #endif
 				tmpLen = asprintf(&tmp, ctx->subformat,
 				    va_arg(ctx->arguments, long double));
 			break;
 		default:
 			return false;
 		}
 
-#ifndef HAVE_ASPRINTF_L
+#if !defined(HAVE_ASPRINTF_L) && !defined(HAVE_USELOCALE)
 		if (tmpLen == -1)
 			return false;
 
 		/*
-		 * If there's no asprintf_l, we have no other choice than to
-		 * use this ugly hack to replace the locale's decimal point
-		 * back to ".".
+		 * If there's no asprintf_l and no uselocale, we have no other
+		 * choice than to use this ugly hack to replace the locale's
+		 * decimal point back to ".".
 		 */
 		point = [OFLocale decimalSeparator];
 
 		if (!ctx->useLocale && point != nil && ![point isEqual: @"."]) {
 			void *pool = objc_autoreleasePoolPush();