libxl: make libxl__[v]log const-correct

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>

diff --git a/tools/libxl/libxl_internal.c b/tools/libxl/libxl_internal.c
index aafd2bb4f12efb5d6147d0e0249e0c02b3442baf..9473eaf2f61645b428cc27f4f1c83c0872ad89f9 100644 (file)
--- a/tools/libxl/libxl_internal.c
+++ b/tools/libxl/libxl_internal.c
@@ -179,7 +179,7 @@ char *libxl__dirname(libxl__gc *gc, const char *s)
 
 void libxl__logv(libxl_ctx *ctx, xentoollog_level msglevel, int errnoval,
              const char *file, int line, const char *func,
-             char *fmt, va_list ap)
+             const char *fmt, va_list ap)
 {
     char *enomem = "[out of memory formatting log message]";
     char *base = NULL;
@@ -206,7 +206,7 @@ void libxl__logv(libxl_ctx *ctx, xentoollog_level msglevel, int errnoval,
 
 void libxl__log(libxl_ctx *ctx, xentoollog_level msglevel, int errnoval,
             const char *file, int line, const char *func,
-            char *fmt, ...)
+            const char *fmt, ...)
 {
     va_list ap;
     va_start(ap, fmt);

diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 0fedcd9bd6e76888b70a254f4fed37f1dc599ff7..12a668aef6cb40019e156a41133adccf76f67f0a 100644 (file)
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -80,13 +80,13 @@
 _hidden void libxl__logv(libxl_ctx *ctx, xentoollog_level msglevel, int errnoval,
              const char *file /* may be 0 */, int line /* ignored if !file */,
              const char *func /* may be 0 */,
-             char *fmt, va_list al)
+             const char *fmt, va_list al)
      __attribute__((format(printf,7,0)));
 
 _hidden void libxl__log(libxl_ctx *ctx, xentoollog_level msglevel, int errnoval,
             const char *file /* may be 0 */, int line /* ignored if !file */,
             const char *func /* may be 0 */,
-            char *fmt, ...)
+            const char *fmt, ...)
      __attribute__((format(printf,7,8)));
 
      /* these functions preserve errno (saving and restoring) */