create the history savedir on uci_save() if it does not exist

[project/uci.git] / history.c

diff --git a/history.c b/history.c
index 8935a3f..6be8a9d 100644 (file)
--- a/history.c
+++ b/history.c
@@ -355,6 +355,7 @@ int uci_save(struct uci_context *ctx, struct uci_package *p)
        FILE *f = NULL;
        char *filename = NULL;
        struct uci_element *e, *tmp;
+       struct stat statbuf;
 
        UCI_HANDLE_ERR(ctx);
        UCI_ASSERT(ctx, p != NULL);
@@ -371,6 +372,11 @@ int uci_save(struct uci_context *ctx, struct uci_package *p)
        if (uci_list_empty(&p->history))
                return 0;
 
+       if (stat(ctx->savedir, &statbuf) < 0)
+               mkdir(ctx->savedir, UCI_DIRMODE);
+       else if ((statbuf.st_mode & S_IFMT) != S_IFDIR)
+               UCI_THROW(ctx, UCI_ERR_IO);
+
        if ((asprintf(&filename, "%s/%s", ctx->savedir, p->e.name) < 0) || !filename)
                UCI_THROW(ctx, UCI_ERR_MEM);