ncurses 5.9 - patch 20110807

[ncurses.git] / ncurses / tinfo / MKcaptab.sh

diff --git a/ncurses/tinfo/MKcaptab.sh b/ncurses/tinfo/MKcaptab.sh
index d333301a0b377eeded747bb76f80f8c3fcec4b92..4d1b53a5bd9a12252f422fda43ff5f655dadb916 100755 (executable)
--- a/ncurses/tinfo/MKcaptab.sh
+++ b/ncurses/tinfo/MKcaptab.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ##############################################################################
-# Copyright (c) 2007,2009 Free Software Foundation, Inc.                     #
+# Copyright (c) 2007-2009,2010 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -26,7 +26,7 @@
 # use or other dealings in this Software without prior written               #
 # authorization.                                                             #
 ##############################################################################
-# $Id: MKcaptab.sh,v 1.10 2009/08/08 17:19:25 tom Exp $
+# $Id: MKcaptab.sh,v 1.13 2010/12/25 23:43:58 tom Exp $
 AWK=${1-awk}
 OPT1=${2-0}
 OPT2=${3-tinfo/MKcaptab.awk}
@@ -55,7 +55,7 @@ EOF
 ./make_hash 1 info $OPT1 <$DATA
 ./make_hash 3 cap  $OPT1 <$DATA
 
-$AWK -f $OPT2 bigstrings=$OPT1 tablename=capalias <$DATA 
+$AWK -f $OPT2 bigstrings=$OPT1 tablename=capalias <$DATA
 
 $AWK -f $OPT2 bigstrings=$OPT1 tablename=infoalias <$DATA
 
@@ -65,7 +65,7 @@ cat <<EOF
 static void
 next_string(const char *strings, unsigned *offset)
 {
-    *offset += strlen(strings + *offset) + 1;
+    *offset += (unsigned) strlen(strings + *offset) + 1;
 }
 
 static const struct name_table_entry *
@@ -144,7 +144,7 @@ NCURSES_EXPORT(const struct alias *) _nc_get_alias_table (bool termcap)
 }
 
 static HashValue
-hash_function(const char *string)
+info_hash(const char *string)
 {
     long sum = 0;
 
@@ -158,10 +158,27 @@ hash_function(const char *string)
     return (HashValue) (sum % HASHTABSIZE);
 }
 
+#define TCAP_LEN 2             /* only 1- or 2-character names are used */
+
+static HashValue
+tcap_hash(const char *string)
+{
+    char temp[TCAP_LEN + 1];
+    int limit = 0;
+
+    while (*string) {
+       temp[limit++] = *string++;
+       if (limit >= TCAP_LEN)
+           break;
+    }
+    temp[limit] = '\0';
+    return info_hash(temp);
+}
+
 static int
-compare_cap_names(const char *a, const char *b)
+compare_tcap_names(const char *a, const char *b)
 {
-    return !strncmp(a, b, 2);
+    return !strncmp(a, b, TCAP_LEN);
 }
 
 static int
@@ -171,8 +188,8 @@ compare_info_names(const char *a, const char *b)
 }
 
 static const HashData hash_data[2] = {
-    { HASHTABSIZE, _nc_info_hash_table, hash_function, compare_info_names },
-    { HASHTABSIZE, _nc_cap_hash_table, hash_function, compare_cap_names }
+    { HASHTABSIZE, _nc_info_hash_table, info_hash, compare_info_names },
+    { HASHTABSIZE, _nc_cap_hash_table, tcap_hash, compare_tcap_names }
 };
 
 NCURSES_EXPORT(const HashData *) _nc_get_hash_info (bool termcap)