diff --git a/tools/tools.h b/tools/tools.h
index 93a7b3c5b09..1065d25c6d6 100644
--- a/tools/tools.h
+++ b/tools/tools.h
@@ -561,6 +561,86 @@ static inline struct target init_argv0_target( const char *argv0 )
 }
 
 
+/* output buffer management */
+
+extern unsigned char *output_buffer;
+extern size_t output_buffer_pos;
+extern size_t output_buffer_size;
+
+static inline void check_output_buffer_space( size_t size )
+{
+    if (output_buffer_pos + size >= output_buffer_size)
+    {
+        output_buffer_size = max( output_buffer_size * 2, output_buffer_pos + size );
+        output_buffer = xrealloc( output_buffer, output_buffer_size );
+    }
+}
+
+static inline void init_output_buffer(void)
+{
+    output_buffer_size = 1024;
+    output_buffer_pos = 0;
+    output_buffer = xmalloc( output_buffer_size );
+}
+
+static inline void put_data( const void *data, size_t size )
+{
+    check_output_buffer_space( size );
+    memcpy( output_buffer + output_buffer_pos, data, size );
+    output_buffer_pos += size;
+}
+
+static inline void put_byte( unsigned char val )
+{
+    check_output_buffer_space( 1 );
+    output_buffer[output_buffer_pos++] = val;
+}
+
+static inline void put_word( unsigned short val )
+{
+    check_output_buffer_space( 2 );
+    output_buffer[output_buffer_pos++] = val;
+    output_buffer[output_buffer_pos++] = val >> 8;
+}
+
+static inline void put_dword( unsigned int val )
+{
+    check_output_buffer_space( 4 );
+    output_buffer[output_buffer_pos++] = val;
+    output_buffer[output_buffer_pos++] = val >> 8;
+    output_buffer[output_buffer_pos++] = val >> 16;
+    output_buffer[output_buffer_pos++] = val >> 24;
+}
+
+static inline void put_qword( unsigned int val )
+{
+    put_dword( val );
+    put_dword( 0 );
+}
+
+static inline void align_output( unsigned int align )
+{
+    size_t size = align - (output_buffer_pos % align);
+
+    if (size == align) return;
+    check_output_buffer_space( size );
+    memset( output_buffer + output_buffer_pos, 0, size );
+    output_buffer_pos += size;
+}
+
+static inline void flush_output_buffer( const char *name )
+{
+    int fd = open( name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666 );
+
+    if (fd == -1 || write( fd, output_buffer, output_buffer_pos ) != output_buffer_pos)
+    {
+        perror( name );
+        exit(1);
+    }
+    close( fd );
+    free( output_buffer );
+}
+
 /* command-line option parsing */
 /* partly based on the Glibc getopt() implementation */
 
diff --git a/tools/widl/utils.c b/tools/widl/utils.c
index cf95f76e602..feb590057f5 100644
--- a/tools/widl/utils.c
+++ b/tools/widl/utils.c
@@ -222,32 +222,6 @@ static struct resource
 } resources[16];
 static unsigned int nb_resources;
 
-static void check_output_buffer_space( size_t size )
-{
-    if (output_buffer_pos + size >= output_buffer_size)
-    {
-        output_buffer_size = max( output_buffer_size * 2, output_buffer_pos + size );
-        output_buffer = xrealloc( output_buffer, output_buffer_size );
-    }
-}
-
-void init_output_buffer(void)
-{
-    output_buffer_size = 1024;
-    output_buffer_pos = 0;
-    output_buffer = xmalloc( output_buffer_size );
-}
-
-void flush_output_buffer( const char *name )
-{
-    int fd = open( name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666 );
-    if (fd == -1) error( "Error creating %s\n", name );
-    if (write( fd, output_buffer, output_buffer_pos ) != output_buffer_pos)
-        error( "Error writing to %s\n", name );
-    close( fd );
-    free( output_buffer );
-}
-
 static inline void put_resource_id( const char *str )
 {
     if (str[0] != '#')
@@ -335,41 +309,6 @@ void flush_output_resources( const char *name )
     free( output_buffer );
 }
 
-void put_data( const void *data, size_t size )
-{
-    check_output_buffer_space( size );
-    memcpy( output_buffer + output_buffer_pos, data, size );
-    output_buffer_pos += size;
-}
-
-void put_byte( unsigned char val )
-{
-    check_output_buffer_space( 1 );
-    output_buffer[output_buffer_pos++] = val;
-}
-
-void put_word( unsigned short val )
-{
-    check_output_buffer_space( 2 );
-    output_buffer[output_buffer_pos++] = val;
-    output_buffer[output_buffer_pos++] = val >> 8;
-}
-
-void put_dword( unsigned int val )
-{
-    check_output_buffer_space( 4 );
-    output_buffer[output_buffer_pos++] = val;
-    output_buffer[output_buffer_pos++] = val >> 8;
-    output_buffer[output_buffer_pos++] = val >> 16;
-    output_buffer[output_buffer_pos++] = val >> 24;
-}
-
-void put_qword( unsigned int val )
-{
-    put_dword( val );
-    put_dword( 0 );
-}
-
 /* pointer-sized word */
 void put_pword( unsigned int val )
 {
@@ -402,13 +341,3 @@ void put_str( int indent, const char *format, ... )
         check_output_buffer_space( size );
     }
 }
-
-void align_output( unsigned int align )
-{
-    size_t size = align - (output_buffer_pos % align);
-
-    if (size == align) return;
-    check_output_buffer_space( size );
-    memset( output_buffer + output_buffer_pos, 0, size );
-    output_buffer_pos += size;
-}
diff --git a/tools/widl/utils.h b/tools/widl/utils.h
index 29a04bff69d..401433ea4af 100644
--- a/tools/widl/utils.h
+++ b/tools/widl/utils.h
@@ -40,22 +40,10 @@ int is_valid_uuid(const char *s);
 
 /* buffer management */
 
-extern unsigned char *output_buffer;
-extern size_t output_buffer_pos;
-extern size_t output_buffer_size;
-
-extern void init_output_buffer(void);
-extern void flush_output_buffer( const char *name );
 extern void add_output_to_resources( const char *type, const char *name );
 extern void flush_output_resources( const char *name );
-extern void put_data( const void *data, size_t size );
-extern void put_byte( unsigned char val );
-extern void put_word( unsigned short val );
-extern void put_dword( unsigned int val );
-extern void put_qword( unsigned int val );
 extern void put_pword( unsigned int val );
 extern void put_str( int indent, const char *format, ... ) __attribute__((format (printf, 2, 3)));
-extern void align_output( unsigned int align );
 
 /* typelibs expect the minor version to be stored in the higher bits and
  * major to be stored in the lower bits */
diff --git a/tools/winebuild/build.h b/tools/winebuild/build.h
index 2ed180aef58..85cbc100b59 100644
--- a/tools/winebuild/build.h
+++ b/tools/winebuild/build.h
@@ -307,23 +307,12 @@ extern const char *input_buffer_filename;
 extern const unsigned char *input_buffer;
 extern size_t input_buffer_pos;
 extern size_t input_buffer_size;
-extern unsigned char *output_buffer;
-extern size_t output_buffer_pos;
-extern size_t output_buffer_size;
 
 extern void init_input_buffer( const char *file );
-extern void init_output_buffer(void);
-extern void flush_output_buffer(void);
 extern unsigned char get_byte(void);
 extern unsigned short get_word(void);
 extern unsigned int get_dword(void);
-extern void put_data( const void *data, size_t size );
-extern void put_byte( unsigned char val );
-extern void put_word( unsigned short val );
-extern void put_dword( unsigned int val );
-extern void put_qword( unsigned int val );
 extern void put_pword( unsigned int val );
-extern void align_output( unsigned int align );
 
 /* global variables */
 
diff --git a/tools/winebuild/res32.c b/tools/winebuild/res32.c
index a70369753b5..85c49d0019a 100644
--- a/tools/winebuild/res32.c
+++ b/tools/winebuild/res32.c
@@ -668,7 +668,7 @@ void output_res_o_file( DLLSPEC *spec )
     /* if the output file name is a .res too, don't run the results through windres */
     if (strendswith( output_file_name, ".res"))
     {
-        flush_output_buffer();
+        flush_output_buffer( output_file_name );
         return;
     }
 
diff --git a/tools/winebuild/spec32.c b/tools/winebuild/spec32.c
index d8510282b29..a2fb6ad25de 100644
--- a/tools/winebuild/spec32.c
+++ b/tools/winebuild/spec32.c
@@ -1041,7 +1041,7 @@ void output_fake_module( DLLSPEC *spec )
         put_data( pe.sec[i].ptr, pe.sec[i].size );
     }
 
-    flush_output_buffer();
+    flush_output_buffer( output_file_name ? output_file_name : spec->file_name );
 }
 
 
diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index 252577b182e..a4393850823 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -415,15 +415,6 @@ unsigned char *output_buffer;
 size_t output_buffer_pos;
 size_t output_buffer_size;
 
-static void check_output_buffer_space( size_t size )
-{
-    if (output_buffer_pos + size >= output_buffer_size)
-    {
-        output_buffer_size = max( output_buffer_size * 2, output_buffer_pos + size );
-        output_buffer = xrealloc( output_buffer, output_buffer_size );
-    }
-}
-
 void init_input_buffer( const char *file )
 {
     int fd;
@@ -442,22 +433,6 @@ void init_input_buffer( const char *file )
     byte_swapped = 0;
 }
 
-void init_output_buffer(void)
-{
-    output_buffer_size = 1024;
-    output_buffer_pos = 0;
-    output_buffer = xmalloc( output_buffer_size );
-}
-
-void flush_output_buffer(void)
-{
-    open_output_file();
-    if (fwrite( output_buffer, 1, output_buffer_pos, output_file ) != output_buffer_pos)
-        fatal_error( "Error writing to %s\n", output_file_name );
-    close_output_file();
-    free( output_buffer );
-}
-
 unsigned char get_byte(void)
 {
     if (input_buffer_pos >= input_buffer_size)
@@ -490,46 +465,6 @@ unsigned int get_dword(void)
     return ret;
 }
 
-void put_data( const void *data, size_t size )
-{
-    check_output_buffer_space( size );
-    memcpy( output_buffer + output_buffer_pos, data, size );
-    output_buffer_pos += size;
-}
-
-void put_byte( unsigned char val )
-{
-    check_output_buffer_space( 1 );
-    output_buffer[output_buffer_pos++] = val;
-}
-
-void put_word( unsigned short val )
-{
-    if (byte_swapped) val = (val << 8) | (val >> 8);
-    put_data( &val, sizeof(val) );
-}
-
-void put_dword( unsigned int val )
-{
-    if (byte_swapped)
-        val = ((val << 24) | ((val << 8) & 0x00ff0000) | ((val >> 8) & 0x0000ff00) | (val >> 24));
-    put_data( &val, sizeof(val) );
-}
-
-void put_qword( unsigned int val )
-{
-    if (byte_swapped)
-    {
-        put_dword( 0 );
-        put_dword( val );
-    }
-    else
-    {
-        put_dword( val );
-        put_dword( 0 );
-    }
-}
-
 /* pointer-sized word */
 void put_pword( unsigned int val )
 {
@@ -537,16 +472,6 @@ void put_pword( unsigned int val )
     else put_dword( val );
 }
 
-void align_output( unsigned int align )
-{
-    size_t size = align - (output_buffer_pos % align);
-
-    if (size == align) return;
-    check_output_buffer_space( size );
-    memset( output_buffer + output_buffer_pos, 0, size );
-    output_buffer_pos += size;
-}
-
 /* output a standard header for generated files */
 void output_standard_file_header(void)
 {
diff --git a/tools/wmc/utils.c b/tools/wmc/utils.c
index 80e9cf0c96b..26becacfe87 100644
--- a/tools/wmc/utils.c
+++ b/tools/wmc/utils.c
@@ -433,70 +433,6 @@ WCHAR *codepage_to_unicode( int codepage, const char *src, int srclen, int *dstl
 
 #endif  /* _WIN32 */
 
-/*******************************************************************
- *         buffer management
- *
- * Function for writing to a memory buffer.
- */
-
 unsigned char *output_buffer;
 size_t output_buffer_pos;
 size_t output_buffer_size;
-
-static void check_output_buffer_space( size_t size )
-{
-    if (output_buffer_pos + size >= output_buffer_size)
-    {
-        output_buffer_size = max( output_buffer_size * 2, output_buffer_pos + size );
-        output_buffer = xrealloc( output_buffer, output_buffer_size );
-    }
-}
-
-void init_output_buffer(void)
-{
-    output_buffer_size = 1024;
-    output_buffer_pos = 0;
-    output_buffer = xmalloc( output_buffer_size );
-}
-
-void flush_output_buffer( const char *name )
-{
-    int fd = open( name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666 );
-    if (fd == -1) error( "Error creating %s\n", name );
-    if (write( fd, output_buffer, output_buffer_pos ) != output_buffer_pos)
-        error( "Error writing to %s\n", name );
-    close( fd );
-    free( output_buffer );
-}
-
-void put_byte( unsigned char val )
-{
-    check_output_buffer_space( 1 );
-    output_buffer[output_buffer_pos++] = val;
-}
-
-void put_word( unsigned short val )
-{
-    check_output_buffer_space( 2 );
-    output_buffer[output_buffer_pos++] = val;
-    output_buffer[output_buffer_pos++] = val >> 8;
-}
-
-void put_dword( unsigned int val )
-{
-    check_output_buffer_space( 4 );
-    output_buffer[output_buffer_pos++] = val;
-    output_buffer[output_buffer_pos++] = val >> 8;
-    output_buffer[output_buffer_pos++] = val >> 16;
-    output_buffer[output_buffer_pos++] = val >> 24;
-}
-
-void align_output( unsigned int align )
-{
-    size_t size = align - (output_buffer_pos % align);
-
-    if (size == align) return;
-    check_output_buffer_space( size );
-    memset( output_buffer + output_buffer_pos, 0, size );
-    output_buffer_pos += size;
-}
diff --git a/tools/wmc/utils.h b/tools/wmc/utils.h
index 4a4bef37ee8..21ec9f59ade 100644
--- a/tools/wmc/utils.h
+++ b/tools/wmc/utils.h
@@ -41,17 +41,4 @@ char *unicode_to_utf8( const WCHAR *src, int srclen, int *dstlen );
 int is_valid_codepage(int id);
 WCHAR *codepage_to_unicode( int codepage, const char *src, int srclen, int *dstlen );
 
-/* buffer management */
-
-extern unsigned char *output_buffer;
-extern size_t output_buffer_pos;
-extern size_t output_buffer_size;
-
-extern void init_output_buffer(void);
-extern void flush_output_buffer( const char *name );
-extern void put_byte( unsigned char val );
-extern void put_word( unsigned short val );
-extern void put_dword( unsigned int val );
-extern void align_output( unsigned int align );
-
 #endif
diff --git a/tools/wrc/genres.c b/tools/wrc/genres.c
index 173aff0c19a..be511378a7a 100644
--- a/tools/wrc/genres.c
+++ b/tools/wrc/genres.c
@@ -42,64 +42,9 @@
 #include "wingdi.h"
 #include "winuser.h"
 
-static unsigned char *output_buffer;
-static size_t output_buffer_pos;
-static size_t output_buffer_size;
-
-static void check_output_buffer_space( size_t size )
-{
-    if (output_buffer_pos + size >= output_buffer_size)
-    {
-        output_buffer_size = max( output_buffer_size * 2, output_buffer_pos + size );
-        output_buffer = xrealloc( output_buffer, output_buffer_size );
-    }
-}
-
-static void init_output_buffer(void)
-{
-    output_buffer_size = 1024;
-    output_buffer_pos = 0;
-    output_buffer = xmalloc( output_buffer_size );
-}
-
-static void put_data( const void *data, size_t size )
-{
-    check_output_buffer_space( size );
-    memcpy( output_buffer + output_buffer_pos, data, size );
-    output_buffer_pos += size;
-}
-
-static void put_byte( unsigned char val )
-{
-    check_output_buffer_space( 1 );
-    output_buffer[output_buffer_pos++] = val;
-}
-
-static void put_word( unsigned short val )
-{
-    check_output_buffer_space( 2 );
-    output_buffer[output_buffer_pos++] = val;
-    output_buffer[output_buffer_pos++] = val >> 8;
-}
-
-static void put_dword( unsigned int val )
-{
-    check_output_buffer_space( 4 );
-    output_buffer[output_buffer_pos++] = val;
-    output_buffer[output_buffer_pos++] = val >> 8;
-    output_buffer[output_buffer_pos++] = val >> 16;
-    output_buffer[output_buffer_pos++] = val >> 24;
-}
-
-static void align_output( unsigned int align )
-{
-    size_t size = align - (output_buffer_pos % align);
-
-    if (size == align) return;
-    check_output_buffer_space( size );
-    memset( output_buffer + output_buffer_pos, 0, size );
-    output_buffer_pos += size;
-}
+unsigned char *output_buffer = NULL;
+size_t output_buffer_pos = 0;
+size_t output_buffer_size = 0;
 
 static void set_word(int ofs, unsigned int w)
 {
@@ -1202,13 +1147,6 @@ static void dlginit2res(name_id_t *name, dlginit_t *dit)
 */
 void write_resfile(char *outname, resource_t *top)
 {
-	FILE *fo;
-	unsigned int ret;
-
-	fo = fopen(outname, "wb");
-	if(!fo)
-            fatal_perror("Could not open %s", outname);
-
         init_output_buffer();
 
 	if(win32)
@@ -1256,12 +1194,5 @@ void write_resfile(char *outname, resource_t *top)
 		if (win32) align_output( 4 );
 	}
 
-	ret = fwrite(output_buffer, 1, output_buffer_pos, fo);
-	if(ret != output_buffer_pos)
-	{
-		fclose(fo);
-		error("Error writing %s\n", outname);
-	}
-	if (fclose(fo))
-            fatal_perror("Error writing %s", outname);
+	flush_output_buffer( outname );
 }