Check for and use chsize instead of ftruncate if present.

configure

@@ -10287,6 +10287,8 @@ fi
 
 
 
+
+
 for ac_func in \
 	__libc_fork \
 	_lwp_create \
@@ -10294,10 +10296,12 @@ for ac_func in \
 	_popen \
 	_stricmp \
 	_strnicmp \
+	chsize \
 	clone \
 	ecvt \
 	finite \
 	fpclass \
+	ftruncate \
 	ftruncate64 \
 	getnetbyaddr \
 	getnetbyname \
@@ -10312,8 +10316,8 @@ for ac_func in \
 	memmove \
 	mmap \
 	pclose \
-	pread \
 	popen \
+	pread \
 	pwrite \
 	rfork \
 	select \

configure.ac

@@ -861,10 +861,12 @@ AC_CHECK_FUNCS(\
 	_popen \
 	_stricmp \
 	_strnicmp \
+	chsize \
 	clone \
 	ecvt \
 	finite \
 	fpclass \
+	ftruncate \
 	ftruncate64 \
 	getnetbyaddr \
 	getnetbyname \
@@ -879,8 +881,8 @@ AC_CHECK_FUNCS(\
 	memmove \
 	mmap \
 	pclose \
-	pread \
 	popen \
+	pread \
 	pwrite \
 	rfork \
 	select \

include/config.h.in

@@ -32,6 +32,9 @@
 /* Define to use .string instead of .ascii */
 #undef HAVE_ASM_STRING
 
+/* Define to 1 if you have the `chsize' function. */
+#undef HAVE_CHSIZE
+
 /* Define to 1 if you have the `clone' function. */
 #undef HAVE_CLONE
 
@@ -101,6 +104,9 @@
 /* Define to 1 if you have the <freetype/tttables.h> header file. */
 #undef HAVE_FREETYPE_TTTABLES_H
 
+/* Define to 1 if you have the `ftruncate' function. */
+#undef HAVE_FTRUNCATE
+
 /* Define to 1 if you have the `ftruncate64' function. */
 #undef HAVE_FTRUNCATE64
 

include/wine/port.h

@@ -104,6 +104,10 @@ struct statfs;
 #define RTLD_GLOBAL  0x100
 #endif
 
+#if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
+#define ftruncate chsize
+#endif
+
 #if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
 #define popen _popen
 #endif