#!/bin/sh
##############################################################################
-# Copyright (c) 2007 Free Software Foundation, Inc. #
+# Copyright (c) 2007-2010,2011 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"), #
# use or other dealings in this Software without prior written #
# authorization. #
##############################################################################
-# $Id: MKcaptab.sh,v 1.3 2007/07/28 22:14:57 tom Exp $
+# $Id: MKcaptab.sh,v 1.14 2011/10/22 16:34:50 tom Exp $
AWK=${1-awk}
OPT1=${2-0}
OPT2=${3-tinfo/MKcaptab.awk}
DATA=${4-../include/Caps}
+cat <<EOF
+/*
+ * generated by $0
+ */
+
+EOF
+
cat <<'EOF'
/*
* comp_captab.c -- The names of the capabilities indexed via a hash
*
*/
-#include <ncurses_cfg.h>
#include <curses.priv.h>
#include <tic.h>
-#include <term.h>
+#include <hashsize.h>
EOF
-./make_hash 1 info <$DATA
-./make_hash 3 cap <$DATA
+./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
-cat <<'EOF'
+cat <<EOF
+
+#if $OPT1
+static void
+next_string(const char *strings, unsigned *offset)
+{
+ *offset += (unsigned) strlen(strings + *offset) + 1;
+}
+
+static const struct name_table_entry *
+_nc_build_names(struct name_table_entry **actual,
+ const name_table_data *source,
+ const char *strings)
+{
+ if (*actual == 0) {
+ *actual = typeCalloc(struct name_table_entry, CAPTABSIZE);
+ if (*actual != 0) {
+ unsigned n;
+ unsigned len = 0;
+ for (n = 0; n < CAPTABSIZE; ++n) {
+ (*actual)[n].nte_name = strings + len;
+ (*actual)[n].nte_type = source[n].nte_type;
+ (*actual)[n].nte_index = source[n].nte_index;
+ (*actual)[n].nte_link = source[n].nte_link;
+ next_string(strings, &len);
+ }
+ }
+ }
+ return *actual;
+}
+
+#define add_alias(field) \\
+ if (source[n].field >= 0) { \\
+ (*actual)[n].field = strings + source[n].field; \\
+ }
+
+static const struct alias *
+_nc_build_alias(struct alias **actual,
+ const alias_table_data *source,
+ const char *strings,
+ size_t tablesize)
+{
+ if (*actual == 0) {
+ *actual = typeCalloc(struct alias, tablesize + 1);
+ if (*actual != 0) {
+ size_t n;
+ for (n = 0; n < tablesize; ++n) {
+ add_alias(from);
+ add_alias(to);
+ add_alias(source);
+ }
+ }
+ }
+ return *actual;
+}
+
+#define build_names(root) _nc_build_names(&_nc_##root##_table, \\
+ root##_names_data, \\
+ root##_names_text)
+#define build_alias(root) _nc_build_alias(&_nc_##root##alias_table, \\
+ root##alias_data, \\
+ root##alias_text, \\
+ SIZEOF(root##alias_data))
+#else
+#define build_names(root) _nc_ ## root ## _table
+#define build_alias(root) _nc_ ## root ## alias_table
+#endif
NCURSES_EXPORT(const struct name_table_entry *) _nc_get_table (bool termcap)
{
- return termcap ? _nc_cap_table: _nc_info_table ;
+ return termcap ? build_names(cap) : build_names(info) ;
}
-NCURSES_EXPORT(const short *) _nc_get_hash_table (bool termcap)
+/* entrypoint used by tack (do not alter) */
+NCURSES_EXPORT(const HashValue *) _nc_get_hash_table (bool termcap)
{
- return termcap ? _nc_cap_hash_table: _nc_info_hash_table ;
+ return termcap ? _nc_cap_hash_table: _nc_info_hash_table ;
}
NCURSES_EXPORT(const struct alias *) _nc_get_alias_table (bool termcap)
{
- return termcap ? _nc_capalias_table: _nc_infoalias_table ;
+ return termcap ? build_alias(cap) : build_alias(info) ;
+}
+
+static HashValue
+info_hash(const char *string)
+{
+ long sum = 0;
+
+ DEBUG(9, ("hashing %s", string));
+ while (*string) {
+ sum += (long) (*string + (*(string + 1) << 8));
+ string++;
+ }
+
+ DEBUG(9, ("sum is %ld", sum));
+ 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_tcap_names(const char *a, const char *b)
+{
+ return !strncmp(a, b, (size_t) TCAP_LEN);
+}
+
+static int
+compare_info_names(const char *a, const char *b)
+{
+ return !strcmp(a, b);
+}
+
+static const HashData hash_data[2] = {
+ { 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)
+{
+ return &hash_data[(termcap != FALSE)];
+}
+
+#if NO_LEAKS
+NCURSES_EXPORT(void) _nc_comp_captab_leaks(void)
+{
+#if $OPT1
+ FreeIfNeeded(_nc_cap_table);
+ FreeIfNeeded(_nc_info_table);
+ FreeIfNeeded(_nc_capalias_table);
+ FreeIfNeeded(_nc_infoalias_table);
+#endif
}
+#endif /* NO_LEAKS */
EOF
projects / ncurses.git / blobdiff