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changeset 17396:b5c1d4b2677e

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sig2str: port --enable-gcc-warnings to clang * lib/sig2str.c (sig2str): Avoid warning about unused printf argument.
author Paul Eggert <eggert@cs.ucla.edu>
date Wed, 15 May 2013 00:28:44 -0700
parents 253d6bbd7aa4
children c4e1bb6e391b
files ChangeLog lib/sig2str.c
diffstat 2 files changed, 11 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog	Wed May 15 00:27:15 2013 -0700
+++ b/ChangeLog	Wed May 15 00:28:44 2013 -0700
@@ -1,5 +1,8 @@
 2013-05-15  Paul Eggert  <eggert@cs.ucla.edu>
 
+	sig2str: port --enable-gcc-warnings to clang
+	* lib/sig2str.c (sig2str): Avoid warning about unused printf argument.
+
 	obstack: port --enable-gcc-warnings to clang
 	* lib/obstack.h (obstack_ptr_grow_fast, obstack_int_grow_fast):
 	Avoid casts from looser to stricter-aligned pointers.
--- a/lib/sig2str.c	Wed May 15 00:27:15 2013 -0700
+++ b/lib/sig2str.c	Wed May 15 00:28:44 2013 -0700
@@ -325,21 +325,25 @@
   {
     int rtmin = SIGRTMIN;
     int rtmax = SIGRTMAX;
+    int base, delta;
 
     if (! (rtmin <= signum && signum <= rtmax))
       return -1;
 
     if (signum <= rtmin + (rtmax - rtmin) / 2)
       {
-        int delta = signum - rtmin;
-        sprintf (signame, delta ? "RTMIN+%d" : "RTMIN", delta);
+        strcpy (signame, "RTMIN");
+        base = rtmin;
       }
     else
       {
-        int delta = rtmax - signum;
-        sprintf (signame, delta ? "RTMAX-%d" : "RTMAX", delta);
+        strcpy (signame, "RTMAX");
+        base = rtmax;
       }
 
+    delta = signum - base;
+    if (delta != 0)
+      sprintf (signame + 5, "%+d", delta);
     return 0;
   }
 }