(readtoken): Declare an index to be of type unsigned

[gnulib.git] / lib / readtokens.c

diff --git a/lib/readtokens.c b/lib/readtokens.c
index c1b80a2..8ae1e07 100644 (file)
--- a/lib/readtokens.c
+++ b/lib/readtokens.c
@@ -1,5 +1,5 @@
 /* readtokens.c  -- Functions for reading tokens from an input stream.
-   Copyright (C) 1990-1991 Jim Meyering.
+   Copyright (C) 1990-1991, 1999, 2001 Jim Meyering.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -12,8 +12,8 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    Written by Jim Meyering. */
 
@@ -28,27 +28,28 @@
    */
 
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+# include <config.h>
 #endif
 
 #include <stdio.h>
 
 #ifdef STDC_HEADERS
-#include <stdlib.h>
+# include <stdlib.h>
 #endif
 
 #if defined (STDC_HEADERS) || defined(HAVE_STRING_H)
-#include <string.h>
+# include <string.h>
 /* An ANSI string.h and pre-ANSI memory.h might conflict.  */
-#if !defined (STDC_HEADERS) && defined (HAVE_MEMORY_H)
-#include <memory.h>
-#endif /* not STDC_HEADERS and HAVE_MEMORY_H */
+# if !defined (STDC_HEADERS) && defined (HAVE_MEMORY_H)
+#  include <memory.h>
+# endif /* not STDC_HEADERS and HAVE_MEMORY_H */
 #else /* not STDC_HEADERS and not HAVE_STRING_H */
-#include <strings.h>
+# include <strings.h>
 /* memory.h and strings.h conflict on some systems.  */
 #endif /* not STDC_HEADERS and not HAVE_STRING_H */
 
 #include "readtokens.h"
+#include "unlocked-io.h"
 #include "xalloc.h"
 
 #define STREQ(a,b) ((a) == (b) || ((a) && (b) && *(a) == *(b) \
@@ -57,7 +58,8 @@
 /* Initialize a tokenbuffer. */
 
 void
-init_tokenbuffer (token_buffer *tokenbuffer)
+init_tokenbuffer (tokenbuffer)
+     token_buffer *tokenbuffer;
 {
   tokenbuffer->size = INITIAL_TOKEN_LENGTH;
   tokenbuffer->buffer = ((char *) xmalloc (INITIAL_TOKEN_LENGTH));
@@ -75,7 +77,9 @@ init_tokenbuffer (token_buffer *tokenbuffer)
    and on files that aren't newline-terminated.  */
 
 long
-readtoken (FILE *stream, const char *delim, int n_delim,
+readtoken (FILE *stream,
+          const char *delim,
+          int n_delim,
           token_buffer *tokenbuffer)
 {
   char *p;
@@ -104,9 +108,10 @@ readtoken (FILE *stream, const char *delim, int n_delim,
   if (!same_delimiters)
     {
       const char *t;
+      unsigned int j;
       saved_delim = delim;
-      for (i = 0; i < sizeof (isdelim); i++)
-       isdelim[i] = 0;
+      for (j = 0; j < sizeof (isdelim); j++)
+       isdelim[j] = 0;
       for (t = delim; *t; t++)
        isdelim[(unsigned int) *t] = 1;
     }
@@ -159,9 +164,12 @@ readtoken (FILE *stream, const char *delim, int n_delim,
    %%% realloc() of `tokens' just before returning? */
 
 int
-readtokens (FILE *stream, int projected_n_tokens,
-           const char *delim, int n_delim,
-           char ***tokens_out, long **token_lengths)
+readtokens (FILE *stream,
+           int projected_n_tokens,
+           const char *delim,
+           int n_delim,
+           char ***tokens_out,
+           long **token_lengths)
 {
   token_buffer tb, *token = &tb;
   int token_length;