[syslinux:master] mtools: slightly more obvious definition of tmpdir fallback

[syslinux-bot for H. Peter Anvin]

Commit-ID:  553ce5ef0813222dba2afd220114d00ff5a20d47
Gitweb:     http://syslinux.zytor.com/commit/553ce5ef0813222dba2afd220114d00ff5a20d47
Author:     H. Peter Anvin <hpa at zytor.com>
AuthorDate: Mon, 5 Jul 2010 18:16:02 -0700
Committer:  H. Peter Anvin <hpa at zytor.com>
CommitDate: Mon, 5 Jul 2010 18:16:02 -0700

mtools: slightly more obvious definition of tmpdir fallback

Make it a bit more obvious what actually happens for the tmpdir
fallback.

Signed-off-by: H. Peter Anvin <hpa at zytor.com>


---
 mtools/syslinux.c |   11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/mtools/syslinux.c b/mtools/syslinux.c
index 761c31b..76cd2ca 100644
--- a/mtools/syslinux.c
+++ b/mtools/syslinux.c
@@ -198,16 +198,15 @@ int main(int argc, char *argv[])
      * Temp directory of choice...
      */
     tmpdir = getenv("TMPDIR");
+    if (!tmpdir) {
 #ifdef P_tmpdir
-    if (!tmpdir)
 	tmpdir = P_tmpdir;
-#endif
-#ifdef _PATH_TMP
-    if (!tmpdir)
+#elif defined(_PATH_TMP)
 	tmpdir = _PATH_TMP;
-#endif
-    if (!tmpdir)
+#else
 	tmpdir = "/tmp";
+#endif
+    }
 
     /*
      * First make sure we can open the device at all, and that we have