use xstrdup, not strdup in ll-merge.c

Otherwise, a fluky allocation failure would cause merge
configuration settings to be silently ignored.

Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/ll-merge.c b/ll-merge.c
index 9837c842a3f215ebee7cbe9690e42e216fb5c76c..e339b8cfaca7c3a08fae4b9c54b76c0351101a2b 100644 (file)
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -233,7 +233,7 @@ static int read_merge_config(const char *var, const char *value, void *cb)
 
        if (!strcmp(var, "merge.default")) {
                if (value)
-                       default_ll_merge = strdup(value);
+                       default_ll_merge = xstrdup(value);
                return 0;
        }
 
@@ -267,7 +267,7 @@ static int read_merge_config(const char *var, const char *value, void *cb)
        if (!strcmp("name", ep)) {
                if (!value)
                        return error("%s: lacks value", var);
-               fn->description = strdup(value);
+               fn->description = xstrdup(value);
                return 0;
        }
 
@@ -290,14 +290,14 @@ static int read_merge_config(const char *var, const char *value, void *cb)
                 * file named by %A, and signal that it has done with zero exit
                 * status.
                 */
-               fn->cmdline = strdup(value);
+               fn->cmdline = xstrdup(value);
                return 0;
        }
 
        if (!strcmp("recursive", ep)) {
                if (!value)
                        return error("%s: lacks value", var);
-               fn->recursive = strdup(value);
+               fn->recursive = xstrdup(value);
                return 0;
        }