[PATCH] libxl{,u}: replace TOSTRING()

[Jan Beulich]

Now that common-macros.h has STR() available, which is even slightly
more flexible, use that and drop the custom macros.

No difference in generated code (except for line numbers, of course,
where embedded in code/data).

Signed-off-by: Jan Beulich <jbeul...@suse.com>

--- a/tools/libs/light/libxl_disk.c
+++ b/tools/libs/light/libxl_disk.c
@@ -53,7 +53,7 @@ static void disk_eject_xswatch_callback(
     }
 
     sscanf(backend,
-            "/local/domain/%d/backend/%" TOSTRING(BACKEND_STRING_SIZE)
+           "/local/domain/%d/backend/%" STR(BACKEND_STRING_SIZE)
            "[a-z]/%*d/%*d",
            &disk->backend_domid, backend_type);
     if (!strcmp(backend_type, "tap") ||
--- a/tools/libs/light/libxl_internal.h
+++ b/tools/libs/light/libxl_internal.h
@@ -2093,9 +2093,6 @@ _hidden int libxl__init_recursive_mutex(
 
 _hidden int libxl__gettimeofday(libxl__gc *gc, struct timeval *now_r);
 
-#define STRINGIFY(x) #x
-#define TOSTRING(x) STRINGIFY(x)
-
 /* from libxl_qmp */
 typedef struct libxl__qmp_handler libxl__qmp_handler;
 
--- a/tools/libs/util/libxlu_disk_l.c
+++ b/tools/libs/util/libxlu_disk_l.c
@@ -1152,7 +1152,7 @@ void xlu__disk_yyset_column(int  column_
 #define DSET(dpc,member,enumname,str,valname) do{                      \
        if (dpc->disk->member != LIBXL_DISK_##enumname##_UNKNOWN &&     \
            dpc->disk->member != LIBXL_DISK_##enumname##_##valname) {   \
-           xlu__disk_err(dpc, str, TOSTRING(member) " respecified");   \
+           xlu__disk_err(dpc, str, STR(member) " respecified");        \
        } else {                                                        \
            dpc->disk->member = LIBXL_DISK_##enumname##_##valname;      \
        }                                                               \
--- a/tools/libs/util/libxlu_disk_l.l
+++ b/tools/libs/util/libxlu_disk_l.l
@@ -64,7 +64,7 @@ void xlu__disk_yyset_column(int  column_
 #define DSET(dpc,member,enumname,str,valname) do{                      \
        if (dpc->disk->member != LIBXL_DISK_##enumname##_UNKNOWN &&     \
            dpc->disk->member != LIBXL_DISK_##enumname##_##valname) {   \
-           xlu__disk_err(dpc, str, TOSTRING(member) " respecified");   \
+           xlu__disk_err(dpc, str, STR(member) " respecified");        \
        } else {                                                        \
            dpc->disk->member = LIBXL_DISK_##enumname##_##valname;      \
        }                                                               \
--- a/tools/libs/util/libxlu_internal.h
+++ b/tools/libs/util/libxlu_internal.h
@@ -25,6 +25,8 @@
 
 #include "libxlutil.h"
 
+#include <xen-tools/common-macros.h>
+
 struct XLU_ConfigList {
     int avalues; /* available slots */
     int nvalues; /* actual occupied slots */
@@ -69,10 +71,6 @@ typedef struct {
     void *scanner;
 } CfgParseContext;
 
-
-#define STRINGIFY(x) #x
-#define TOSTRING(x) STRINGIFY(x)
-
 #endif /*LIBXLU_INTERNAL_H*/
 
 /*