lib: [xalloc] add xstrdup()

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/include/xalloc.h b/include/xalloc.h
index 2a8c78bc011b77a66b5ea5d46aad416026c2edb3..ff5432e59c47aa64b7870729becfa9215d9badc7 100644 (file)
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -43,4 +43,13 @@ void *xcalloc(const size_t nelems, const size_t size)
         return ret;
 }
 
+static inline char *xstrdup(const char *str)
+{
+       char *ret = strdup(str);
+
+       if (!ret && str)
+               err(EXIT_FAILURE, "cannot duplicate string");
+       return ret;
+}
+
 #endif

diff --git a/misc-utils/wipefs.c b/misc-utils/wipefs.c
index 2f223f0c23ddbd5e31a7b450bce2b8352e38b6b6..d3033446f615ff6488e19360a8a07fd6d1f23cbf 100644 (file)
--- a/misc-utils/wipefs.c
+++ b/misc-utils/wipefs.c
@@ -136,15 +136,6 @@ add_offset(struct wipe_desc *wp0, loff_t offset, int zap)
        return wp;
 }
 
-static inline char *
-xstrdup(const char *s)
-{
-       char *x = strdup(s);
-       if (!x)
-               err(EXIT_FAILURE, _("strdup failed"));
-       return x;
-}
-
 static struct wipe_desc *
 get_offset_from_probe(struct wipe_desc *wp, blkid_probe pr, int zap)
 {