X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fparse-duration.c;h=0a8c4ada8408e187952e636b4441409cd36f4669;hb=5ea8bedd0c6a7a8f29dcff301d126b58cc123ea8;hp=8952a8fae393e1db92a119615b55b7d2cb0dbd21;hpb=aeb898d88cddc17cefc7738940b4917e9ee27933;p=gnulib.git

diff --git a/lib/parse-duration.c b/lib/parse-duration.c
index 8952a8fae..0a8c4ada8 100644
--- a/lib/parse-duration.c
+++ b/lib/parse-duration.c
@@ -1,5 +1,5 @@
 /* Parse a time duration and return a seconds count
-   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2008-2011 Free Software Foundation, Inc.
    Written by Bruce Korb <bkorb@gnu.org>, 2008.
 
    This program is free software: you can redistribute it and/or modify
@@ -26,7 +26,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "xalloc.h"
 
 #ifndef NUL
 #define NUL '\0'
@@ -381,7 +380,7 @@ parse_time (cch_t * pz)
 }
 
 /* Returns a substring of the given string, with spaces at the beginning and at
-   the end destructively removed.  */
+   the end destructively removed, per SNOBOL.  */
 static char *
 trim (char * pz)
 {
@@ -406,13 +405,20 @@ trim (char * pz)
 static time_t
 parse_period (cch_t * in_pz)
 {
-  char * pz   = xstrdup (in_pz);
-  char * pT   = strchr (pz, 'T');
+  char * pT;
   char * ps;
+  char * pz   = strdup (in_pz);
   void * fptr = pz;
   time_t res  = 0;
 
-  if (pT != NUL)
+  if (pz == NULL)
+    {
+      errno = ENOMEM;
+      return BAD_TIME;
+    }
+
+  pT = strchr (pz, 'T');
+  if (pT != NULL)
     {
       *(pT++) = NUL;
       pz = trim (pz);