1 files changed, 186 insertions, 71 deletions

diff --git a/ncurses/tinfo/make_hash.c b/ncurses/tinfo/make_hash.c
index 37ac765..9980279 100644
--- a/ncurses/tinfo/make_hash.c
+++ b/ncurses/tinfo/make_hash.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright 2018-2019,2020 Thomas E. Dickey                                *
+ * Copyright 2009-2013,2017 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            *
@@ -34,7 +35,6 @@
 
 /*
  *	make_hash.c --- build-time program for constructing comp_captab.c
- *
  */
 
 #include <build.priv.h>
@@ -44,14 +44,14 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: make_hash.c,v 1.13 2013/09/28 20:55:47 tom Exp $")
+MODULE_ID("$Id: make_hash.c,v 1.33 2020/02/02 23:34:34 tom Exp $")
 
 /*
  *	_nc_make_hash_table()
  *
  *	Takes the entries in table[] and hashes them into hash_table[]
- *	by name.  There are CAPTABSIZE entries in table[] and HASHTABSIZE
- *	slots in hash_table[].
+ *	by name.  There are CAPTABSIZE entries in the predefined table[]
+ *	and HASHTABSIZE slots in hash_table[].
  *
  */
 
@@ -59,6 +59,14 @@ MODULE_ID("$Id: make_hash.c,v 1.13 2013/09/28 20:55:47 tom Exp $")
 #define MODULE_ID(id)		/*nothing */
 #include <tinfo/doalloc.c>
 
+#define L_PAREN "("
+#define R_PAREN ")"
+#define L_BRACE "{"
+#define R_BRACE "}"
+
+static const char *typenames[] =
+{"BOOLEAN", "NUMBER", "STRING"};
+
 static void
 failed(const char *s)
 {
@@ -82,7 +90,7 @@ strmalloc(char *s)
  *
  *	Computes the hashing function on the given string.
  *
- *	The current hash function is the sum of each consectutive pair
+ *	The current hash function is the sum of each consecutive pair
  *	of characters, taken as two-byte integers, mod HASHTABSIZE.
  *
  */
@@ -93,36 +101,40 @@ hash_function(const char *string)
     long sum = 0;
 
     while (*string) {
-	sum += (long) (*string + (*(string + 1) << 8));
+	sum += (long) (UChar(*string) + (UChar(*(string + 1)) << 8));
 	string++;
     }
 
     return (int) (sum % HASHTABSIZE);
 }
 
+#define UNUSED -1
+
 static void
-_nc_make_hash_table(struct name_table_entry *table,
-		    HashValue * hash_table)
+_nc_make_hash_table(struct user_table_entry *table,
+		    HashValue * hash_table,
+		    unsigned tablesize)
 {
-    short i;
+    unsigned i;
     int hashvalue;
     int collisions = 0;
 
     for (i = 0; i < HASHTABSIZE; i++) {
-	hash_table[i] = -1;
+	hash_table[i] = UNUSED;
     }
-    for (i = 0; i < CAPTABSIZE; i++) {
-	hashvalue = hash_function(table[i].nte_name);
+    for (i = 0; i < tablesize; i++) {
+	hashvalue = hash_function(table[i].ute_name);
 
 	if (hash_table[hashvalue] >= 0)
 	    collisions++;
 
-	if (hash_table[hashvalue] != 0)
-	    table[i].nte_link = hash_table[hashvalue];
-	hash_table[hashvalue] = i;
+	if (hash_table[hashvalue] != UNUSED) {
+	    table[i].ute_link = hash_table[hashvalue];
+	}
+	hash_table[hashvalue] = (HashValue) i;
     }
 
-    printf("/* %d collisions out of %d entries */\n", collisions, CAPTABSIZE);
+    printf("/* %d collisions out of %d entries */\n", collisions, tablesize);
 }
 
 /*
@@ -156,10 +168,18 @@ parse_columns(char *buffer)
 
     int col = 0;
 
-    if (list == 0 && (list = typeCalloc(char *, (MAX_COLUMNS + 1))) == 0)
-	  return (0);
+    if (buffer == 0) {
+	free(list);
+	list = 0;
+	return 0;
+    }
 
     if (*buffer != '#') {
+	if (list == 0) {
+	    list = typeCalloc(char *, (MAX_COLUMNS + 1));
+	    if (list == 0)
+		return (0);
+	}
 	while (*buffer != '\0') {
 	    char *s;
 	    for (s = buffer; (*s != '\0') && !isspace(UChar(*s)); s++)
@@ -188,21 +208,58 @@ parse_columns(char *buffer)
     return col ? list : 0;
 }
 
+#define SetType(n,t) \
+	if (is_user) \
+	    name_table[n].ute_type |= (int)(1 << (t)); \
+	else \
+	    name_table[n].ute_type = (t)
+
+#define GetType(n) \
+	(is_user \
+	 ? get_type(name_table[n].ute_type) \
+	 : typenames[name_table[n].ute_type])
+
+static char *
+get_type(int type_mask)
+{
+    static char result[80];
+    unsigned n;
+    _nc_STRCPY(result, L_PAREN, sizeof(result));
+    for (n = 0; n < 3; ++n) {
+	if ((1 << n) & type_mask) {
+	    size_t want = 5 + strlen(typenames[n]);
+	    if (want > sizeof(result)) {
+		fprintf(stderr, "Buffer is not large enough for %s + %s\n",
+			result, typenames[n]);
+		exit(EXIT_FAILURE);
+	    }
+	    if (result[1])
+		_nc_STRCAT(result, "|", sizeof(result));
+	    _nc_STRCAT(result, "1<<", sizeof(result));
+	    _nc_STRCAT(result, typenames[n], sizeof(result));
+	}
+    }
+    _nc_STRCAT(result, R_PAREN, sizeof(result));
+    return result;
+}
+
 int
 main(int argc, char **argv)
 {
-    struct name_table_entry *name_table = typeCalloc(struct
-						     name_table_entry, CAPTABSIZE);
+    unsigned tablesize = CAPTABSIZE;
+    struct user_table_entry *name_table = typeCalloc(struct
+						     user_table_entry, tablesize);
     HashValue *hash_table = typeCalloc(HashValue, HASHTABSIZE);
     const char *root_name = "";
     int column = 0;
     int bigstring = 0;
-    int n;
+    unsigned n;
+    unsigned nn;
+    unsigned tableused = 0;
+    bool is_user;
+    const char *table_name;
     char buffer[BUFSIZ];
 
-    static const char *typenames[] =
-    {"BOOLEAN", "NUMBER", "STRING"};
-
     short BoolCount = 0;
     short NumCount = 0;
     short StrCount = 0;
@@ -220,42 +277,80 @@ main(int argc, char **argv)
 	fprintf(stderr, "usage: make_hash column root_name bigstring\n");
 	exit(EXIT_FAILURE);
     }
+    is_user = (*root_name == 'u');
+    table_name = (is_user ? "user" : "name");
 
     /*
      * Read the table into our arrays.
      */
-    for (n = 0; (n < CAPTABSIZE) && fgets(buffer, BUFSIZ, stdin);) {
-	char **list, *nlp = strchr(buffer, '\n');
+    for (n = 0; (n < tablesize) && fgets(buffer, BUFSIZ, stdin);) {
+	char **list;
+	char *nlp = strchr(buffer, '\n');
 	if (nlp)
 	    *nlp = '\0';
+	else
+	    buffer[sizeof(buffer) - 2] = '\0';
 	list = parse_columns(buffer);
 	if (list == 0)		/* blank or comment */
 	    continue;
-	if (column > count_columns(list)) {
+	if (is_user) {
+	    if (strcmp(list[0], "userdef"))
+		continue;
+	} else if (!strcmp(list[0], "userdef")) {
+	    continue;
+	}
+	if (column < 0 || column > count_columns(list)) {
 	    fprintf(stderr, "expected %d columns, have %d:\n%s\n",
 		    column,
 		    count_columns(list),
 		    buffer);
 	    exit(EXIT_FAILURE);
 	}
-	name_table[n].nte_link = -1;	/* end-of-hash */
-	name_table[n].nte_name = strmalloc(list[column]);
+	nn = tableused;
+	if (is_user) {
+	    unsigned j;
+	    for (j = 0; j < tableused; ++j) {
+		if (!strcmp(list[column], name_table[j].ute_name)) {
+		    nn = j;
+		    break;
+		}
+	    }
+	}
+	if (nn == tableused) {
+	    name_table[nn].ute_link = -1;	/* end-of-hash */
+	    name_table[nn].ute_name = strmalloc(list[column]);
+	    ++tableused;
+	}
+
 	if (!strcmp(list[2], "bool")) {
-	    name_table[n].nte_type = BOOLEAN;
-	    name_table[n].nte_index = BoolCount++;
+	    SetType(nn, BOOLEAN);
+	    name_table[nn].ute_index = BoolCount++;
 	} else if (!strcmp(list[2], "num")) {
-	    name_table[n].nte_type = NUMBER;
-	    name_table[n].nte_index = NumCount++;
+	    SetType(nn, NUMBER);
+	    name_table[nn].ute_index = NumCount++;
 	} else if (!strcmp(list[2], "str")) {
-	    name_table[n].nte_type = STRING;
-	    name_table[n].nte_index = StrCount++;
+	    SetType(nn, STRING);
+	    name_table[nn].ute_index = StrCount++;
+	    if (is_user) {
+		if (*list[3] != '-') {
+		    unsigned j;
+		    name_table[nn].ute_argc = (unsigned) strlen(list[3]);
+		    for (j = 0; j < name_table[nn].ute_argc; ++j) {
+			if (list[3][j] == 's') {
+			    name_table[nn].ute_args |= (1U << j);
+			}
+		    }
+		}
+	    }
 	} else {
 	    fprintf(stderr, "Unknown type: %s\n", list[2]);
 	    exit(EXIT_FAILURE);
 	}
 	n++;
     }
-    _nc_make_hash_table(name_table, hash_table);
+    if (tablesize > tableused)
+	tablesize = tableused;
+    _nc_make_hash_table(name_table, hash_table, tablesize);
 
     /*
      * Write the compiled tables to standard output
@@ -265,66 +360,86 @@ main(int argc, char **argv)
 	int nxt;
 
 	printf("static const char %s_names_text[] = \\\n", root_name);
-	for (n = 0; n < CAPTABSIZE; n++) {
-	    nxt = (int) strlen(name_table[n].nte_name) + 5;
+	for (n = 0; n < tablesize; n++) {
+	    nxt = (int) strlen(name_table[n].ute_name) + 5;
 	    if (nxt + len > 72) {
 		printf("\\\n");
 		len = 0;
 	    }
-	    printf("\"%s\\0\" ", name_table[n].nte_name);
+	    printf("\"%s\\0\" ", name_table[n].ute_name);
 	    len += nxt;
 	}
 	printf(";\n\n");
 
 	len = 0;
-	printf("static name_table_data const %s_names_data[] =\n",
+	printf("static %s_table_data const %s_names_data[] =\n",
+	       table_name,
 	       root_name);
-	printf("{\n");
-	for (n = 0; n < CAPTABSIZE; n++) {
-	    printf("\t{ %15d,\t%10s,\t%3d, %3d }%c\n",
-		   len,
-		   typenames[name_table[n].nte_type],
-		   name_table[n].nte_index,
-		   name_table[n].nte_link,
-		   n < CAPTABSIZE - 1 ? ',' : ' ');
-	    len += (int) strlen(name_table[n].nte_name) + 1;
+	printf("%s\n", L_BRACE);
+	for (n = 0; n < tablesize; n++) {
+	    printf("\t%s %15d,\t%10s,", L_BRACE, len, GetType(n));
+	    if (is_user)
+		printf("\t%d,%d,",
+		       name_table[n].ute_argc,
+		       name_table[n].ute_args);
+	    printf("\t%3d, %3d %s%c\n",
+		   name_table[n].ute_index,
+		   name_table[n].ute_link,
+		   R_BRACE,
+		   n < tablesize - 1 ? ',' : ' ');
+	    len += (int) strlen(name_table[n].ute_name) + 1;
 	}
-	printf("};\n\n");
-	printf("static struct name_table_entry *_nc_%s_table = 0;\n\n", root_name);
+	printf("%s;\n\n", R_BRACE);
+	printf("static struct %s_table_entry *_nc_%s_table = 0;\n\n",
+	       table_name,
+	       root_name);
     } else {
 
-	printf("static struct name_table_entry const _nc_%s_table[] =\n",
+	printf("static struct %s_table_entry const _nc_%s_table[] =\n",
+	       table_name,
 	       root_name);
-	printf("{\n");
-	for (n = 0; n < CAPTABSIZE; n++) {
+	printf("%s\n", L_BRACE);
+	for (n = 0; n < tablesize; n++) {
 	    _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "\"%s\"",
-			name_table[n].nte_name);
-	    printf("\t{ %15s,\t%10s,\t%3d, %3d }%c\n",
-		   buffer,
-		   typenames[name_table[n].nte_type],
-		   name_table[n].nte_index,
-		   name_table[n].nte_link,
-		   n < CAPTABSIZE - 1 ? ',' : ' ');
+			name_table[n].ute_name);
+	    printf("\t%s %15s,\t%10s,", L_BRACE, buffer, GetType(n));
+	    if (is_user)
+		printf("\t%d,%d,",
+		       name_table[n].ute_argc,
+		       name_table[n].ute_args);
+	    printf("\t%3d, %3d %s%c\n",
+		   name_table[n].ute_index,
+		   name_table[n].ute_link,
+		   R_BRACE,
+		   n < tablesize - 1 ? ',' : ' ');
 	}
-	printf("};\n\n");
+	printf("%s;\n\n", R_BRACE);
     }
 
     printf("static const HashValue _nc_%s_hash_table[%d] =\n",
 	   root_name,
 	   HASHTABSIZE + 1);
-    printf("{\n");
+    printf("%s\n", L_BRACE);
     for (n = 0; n < HASHTABSIZE; n++) {
 	printf("\t%3d,\n", hash_table[n]);
     }
     printf("\t0\t/* base-of-table */\n");
-    printf("};\n\n");
-
-    printf("#if (BOOLCOUNT!=%d)||(NUMCOUNT!=%d)||(STRCOUNT!=%d)\n",
-	   BoolCount, NumCount, StrCount);
-    printf("#error\t--> term.h and comp_captab.c disagree about the <--\n");
-    printf("#error\t--> numbers of booleans, numbers and/or strings <--\n");
-    printf("#endif\n\n");
+    printf("%s;\n\n", R_BRACE);
+
+    if (!is_user) {
+	printf("#if (BOOLCOUNT!=%d)||(NUMCOUNT!=%d)||(STRCOUNT!=%d)\n",
+	       BoolCount, NumCount, StrCount);
+	printf("#error\t--> term.h and comp_captab.c disagree about the <--\n");
+	printf("#error\t--> numbers of booleans, numbers and/or strings <--\n");
+	printf("#endif\n\n");
+    }
 
     free(hash_table);
+    for (n = 0; (n < tablesize); ++n) {
+	free((void *) name_table[n].ute_name);
+    }
+    free(name_table);
+    parse_columns(0);
+
     return EXIT_SUCCESS;
 }