X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftrim.c;h=452d8bc740b23b7c3d912240f78e28bbc65ee776;hb=fa3486514bd8f15f8eb4c49821d0356b52e5a335;hp=3813ca88ab86644bf7184278e36437afe8f285b8;hpb=da7ca7f1991964ba2de6a6c49ba6239697f3a4cc;p=gnulib.git

diff --git a/lib/trim.c b/lib/trim.c
index 3813ca88a..452d8bc74 100644
--- a/lib/trim.c
+++ b/lib/trim.c
@@ -23,98 +23,100 @@
 
 #include <ctype.h>
 #include <string.h>
+#include <stddef.h>
+#include <stdlib.h>
 
-#if HAVE_MBRTOWC 
-# include <stddef.h>
-# include <stdlib.h>
-# include "mbchar.h"
-# include "mbiter.h"
-#endif
-
+#include "mbchar.h"
+#include "mbiter.h"
 #include "xalloc.h"
 
+/* Use this to suppress gcc's `...may be used before initialized' warnings. */
+#ifdef lint
+# define IF_LINT(Code) Code
+#else
+# define IF_LINT(Code) /* empty */
+#endif
+
 char *
 trim2(const char *s, int how)
 {
   char *d;
-    
+
   d = strdup(s);
 
   if (!d)
     xalloc_die();
-  
-#if HAVE_MBRTOWC
+
   if (MB_CUR_MAX > 1)
     {
       mbi_iterator_t i;
-      
+
       /* Trim leading whitespaces. */
-      if (how != TRIM_TRAILING) 
+      if (how != TRIM_TRAILING)
 	{
 	  mbi_init (i, d, strlen (d));
-      
+
 	  for (; mbi_avail (i) && mb_isspace (mbi_cur (i)); mbi_advance (i))
 	    ;
-	  
+
 	  memmove (d, mbi_cur_ptr (i), strlen (mbi_cur_ptr (i)) + 1);
 	}
-  
+
       /* Trim trailing whitespaces. */
-      if (how != TRIM_LEADING) 
+      if (how != TRIM_LEADING)
 	{
 	  int state = 0;
-	  char *r; /* used only while state = 2 */
-	  
+	  char *r IF_LINT (= NULL); /* used only while state = 2 */
+
 	  mbi_init (i, d, strlen (d));
 
-	  for (; mbi_avail (i); mbi_advance (i)) 
+	  for (; mbi_avail (i); mbi_advance (i))
 	    {
-	      if (state == 0 && mb_isspace (mbi_cur (i))) 
+	      if (state == 0 && mb_isspace (mbi_cur (i)))
 		{
 		  state = 0;
 		  continue;
 		}
-	      
+
 	      if (state == 0 && !mb_isspace (mbi_cur (i)))
 		{
 		  state = 1;
 		  continue;
 		}
-	      
+
 	      if (state == 1 && !mb_isspace (mbi_cur (i)))
 		{
 		  state = 1;
 		  continue;
 		}
-	      
-	      if (state == 1 && mb_isspace (mbi_cur (i))) 
+
+	      if (state == 1 && mb_isspace (mbi_cur (i)))
 		{
 		  state = 2;
 		  r = (char *) mbi_cur_ptr (i);
 		}
-	      else if (state == 2 && mb_isspace (mbi_cur (i))) 
+	      else if (state == 2 && mb_isspace (mbi_cur (i)))
 		{
 		  state = 2;
-		} 
-	      else 
+		}
+	      else
 		{
 		  state = 1;
 		}
 	    }
-	  
-	  if (state == 2) 
+
+	  if (state == 2)
 	    *r = '\0';
 	}
     }
   else
-#endif /* HAVE_MBRTOWC */
     {
       char *p;
-      
+
       /* Trim leading whitespaces. */
       if (how != TRIM_TRAILING) {
 	for (p = d; *p && isspace ((unsigned char) *p); p++)
-	  ;			
+	  ;
 
 	memmove (d, p, strlen (p) + 1);
       }
@@ -125,7 +127,7 @@ trim2(const char *s, int how)
 	  *p = '\0';
       }
     }
-  
+
   return d;
 }
-  
+