[Libguestfs] [PATCH 1/2] lib: generic function for temporary path generation

[Matteo Cafasso]

Signed-off-by: Matteo Cafasso <noxdafox at gmail.com>
---
 src/guestfs-internal.h |  1 +
 src/tmpdirs.c          | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/guestfs-internal.h b/src/guestfs-internal.h
index fbbfb90..51d3512 100644
--- a/src/guestfs-internal.h
+++ b/src/guestfs-internal.h
@@ -813,6 +813,7 @@ extern int guestfs_int_set_env_tmpdir (guestfs_h *g, const char *envname, const
 extern int guestfs_int_set_env_runtimedir (guestfs_h *g, const char *envname, const char *runtimedir);
 extern int guestfs_int_lazy_make_tmpdir (guestfs_h *g);
 extern int guestfs_int_lazy_make_sockdir (guestfs_h *g);
+extern char *guestfs_int_make_temp_path (guestfs_h *g, const char *name);
 extern char *guestfs_int_lazy_make_supermin_appliance_dir (guestfs_h *g);
 extern void guestfs_int_remove_tmpdir (guestfs_h *g);
 extern void guestfs_int_remove_sockdir (guestfs_h *g);
diff --git a/src/tmpdirs.c b/src/tmpdirs.c
index 725f683..7d289a6 100644
--- a/src/tmpdirs.c
+++ b/src/tmpdirs.c
@@ -223,6 +223,23 @@ guestfs_int_lazy_make_sockdir (guestfs_h *g)
 }

 /**
+ * Generate unique temporary paths for temporary files.
+ *
+ * Returns a unique path or NULL on error.
+ */
+char *
+guestfs_int_make_temp_path (guestfs_h *g, const char *name)
+{
+  int ret = 0;
+
+  ret = guestfs_int_lazy_make_tmpdir (g);
+  if (ret < 0)
+    return NULL;
+
+  return safe_asprintf (g, "%s/%s%d", g->tmpdir, name, ++g->unique);
+}
+
+/**
  * Create the supermin appliance directory under cachedir, if it does
  * not exist.
  *
--
2.10.2