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-rw-r--r--include/qemu-common.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 6948bb9177..50548361d0 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -191,6 +191,9 @@ int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
int64_t strtosz_suffix_unit(const char *nptr, char **end,
const char default_suffix, int64_t unit);
+/* used to print char* safely */
+#define STR_OR_NULL(str) ((str) ? (str) : "null")
+
/* path.c */
void init_paths(const char *prefix);
const char *path(const char *pathname);