copy-acl: ignore ENOTSUP on HP-UX

[gnulib.git] / lib / parse-duration.c

diff --git a/lib/parse-duration.c b/lib/parse-duration.c
index 91f5291..8952a8f 100644 (file)
--- 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 Free Software Foundation, Inc.
+   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
    Written by Bruce Korb <bkorb@gnu.org>, 2008.
 
    This program is free software: you can redistribute it and/or modify
@@ -452,7 +452,7 @@ parse_period (cch_t * in_pz)
 }
 
 static time_t
-parse_non_iso8601(cch_t * pz)
+parse_non_iso8601 (cch_t * pz)
 {
   whats_done_t whatd_we_do = NOTHING_IS_DONE;
 
@@ -566,38 +566,24 @@ parse_non_iso8601(cch_t * pz)
 time_t
 parse_duration (char const * pz)
 {
-  time_t res = 0;
-
   while (isspace ((unsigned char)*pz))
     pz++;
 
-  do {
-    if (*pz == 'P')
-      {
-        res = parse_period (pz + 1);
-        if (res == BAD_TIME)
-          break;
-        return res;
-      }
-
-    if (*pz == 'T')
-      {
-        res = parse_time (pz + 1);
-        if (res == BAD_TIME)
-          break;
-        return res;
-      }
-
-    if (! isdigit ((unsigned char)*pz))
-      break;
+  switch (*pz)
+    {
+    case 'P':
+      return parse_period (pz + 1);
 
-    res = parse_non_iso8601 (pz);
-    if (res != BAD_TIME)
-      return res;
+    case 'T':
+      return parse_time (pz + 1);
 
-  } while (0);
+    default:
+      if (isdigit ((unsigned char)*pz))
+        return parse_non_iso8601 (pz);
 
-  return BAD_TIME;
+      errno = EINVAL;
+      return BAD_TIME;
+    }
 }
 
 /*