/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998,2000,2001 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 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
-
/*
* comp_hash.c --- Routines to deal with the hashtable of capability
* names.
#ifdef MAIN_PROGRAM
#include <ctype.h>
#undef DEBUG
-#define DEBUG(level, params) /*nothing*/
+#define DEBUG(level, params) /*nothing */
#endif
-MODULE_ID("$Id: comp_hash.c,v 1.21 1999/06/26 21:25:11 tom Exp $")
+MODULE_ID("$Id: comp_hash.c,v 1.25 2001/06/02 22:50:42 skimo Exp $")
-static int hash_function(const char *);
+static int hash_function(const char *);
/*
* _nc_make_hash_table()
#ifdef MAIN_PROGRAM
#undef MODULE_ID
-#define MODULE_ID(id) /*nothing*/
+#define MODULE_ID(id) /*nothing */
#include <tinfo/doalloc.c>
-static void _nc_make_hash_table(struct name_table_entry *table,
- struct name_table_entry **hash_table)
+static void
+_nc_make_hash_table(struct name_table_entry *table,
+ struct name_table_entry **hash_table)
{
-int i;
-int hashvalue;
-int collisions = 0;
+ int i;
+ int hashvalue;
+ int collisions = 0;
- for (i = 0; i < CAPTABSIZE; i++) {
- hashvalue = hash_function(table[i].nte_name);
+ for (i = 0; i < CAPTABSIZE; i++) {
+ hashvalue = hash_function(table[i].nte_name);
- if (hash_table[hashvalue] != (struct name_table_entry *) 0)
- collisions++;
+ if (hash_table[hashvalue] != (struct name_table_entry *) 0)
+ collisions++;
- if (hash_table[hashvalue] != 0)
- table[i].nte_link = (short)(hash_table[hashvalue] - table);
- hash_table[hashvalue] = &table[i];
- }
+ if (hash_table[hashvalue] != 0)
+ table[i].nte_link = (short) (hash_table[hashvalue] - table);
+ hash_table[hashvalue] = &table[i];
+ }
- DEBUG(4, ("Hash table complete: %d collisions out of %d entries", collisions, CAPTABSIZE));
+ DEBUG(4, ("Hash table complete: %d collisions out of %d entries",
+ collisions, CAPTABSIZE));
}
#endif
-
/*
* int hash_function(string)
*
int
hash_function(const char *string)
{
-long sum = 0;
+ long sum = 0;
- DEBUG(9, ("hashing %s", string));
- while (*string) {
- sum += (long)(*string + (*(string + 1) << 8));
- string++;
- }
+ DEBUG(9, ("hashing %s", string));
+ while (*string) {
+ sum += (long) (*string + (*(string + 1) << 8));
+ string++;
+ }
- DEBUG(9, ("sum is %ld", sum));
- return (int)(sum % HASHTABSIZE);
+ DEBUG(9, ("sum is %ld", sum));
+ return (int) (sum % HASHTABSIZE);
}
-
/*
* struct name_table_entry *
* find_entry(string)
*/
#ifndef MAIN_PROGRAM
-struct name_table_entry const *
-_nc_find_entry(const char *string, const struct name_table_entry *const *hash_table)
+NCURSES_EXPORT(struct name_table_entry const *)
+_nc_find_entry
+(const char *string, const struct name_table_entry *const *hash_table)
{
-int hashvalue;
-struct name_table_entry const *ptr;
+ int hashvalue;
+ struct name_table_entry const *ptr;
- hashvalue = hash_function(string);
+ hashvalue = hash_function(string);
- if ((ptr = hash_table[hashvalue]) != 0) {
- while (strcmp(ptr->nte_name, string) != 0) {
- if (ptr->nte_link < 0)
- return 0;
- ptr = ptr->nte_link + hash_table[HASHTABSIZE];
- }
+ if ((ptr = hash_table[hashvalue]) != 0) {
+ while (strcmp(ptr->nte_name, string) != 0) {
+ if (ptr->nte_link < 0)
+ return 0;
+ ptr = ptr->nte_link + hash_table[HASHTABSIZE];
}
+ }
- return (ptr);
+ return (ptr);
}
/*
* in the table or 0 if not found.
*/
-struct name_table_entry const *
-_nc_find_type_entry(const char *string,
- int type,
- const struct name_table_entry *table)
+NCURSES_EXPORT(struct name_table_entry const *)
+_nc_find_type_entry
+(const char *string,
+ int type,
+ const struct name_table_entry *table)
{
-struct name_table_entry const *ptr;
+ struct name_table_entry const *ptr;
- for (ptr = table; ptr < table + CAPTABSIZE; ptr++) {
- if (ptr->nte_type == type && strcmp(string, ptr->nte_name) == 0)
- return(ptr);
- }
+ for (ptr = table; ptr < table + CAPTABSIZE; ptr++) {
+ if (ptr->nte_type == type && strcmp(string, ptr->nte_name) == 0)
+ return (ptr);
+ }
- return ((struct name_table_entry *)NULL);
+ return ((struct name_table_entry *) NULL);
}
#endif
#define MAX_COLUMNS BUFSIZ /* this _has_ to be worst-case */
-static char **parse_columns(char *buffer)
+static char **
+parse_columns(char *buffer)
{
- static char **list;
-
- int col = 0;
-
- if (list == 0 && (list = typeCalloc(char *, MAX_COLUMNS)) == 0)
- return(0);
-
- if (*buffer != '#') {
- while (*buffer != '\0') {
- char *s;
- for (s = buffer; (*s != '\0') && !isspace(*s); s++)
- /*EMPTY*/;
- if (s != buffer) {
- char mark = *s;
- *s = '\0';
- if ((s - buffer) > 1
- && (*buffer == '"')
- && (s[-1] == '"')) { /* strip the quotes */
- buffer++;
- s[-1] = '\0';
- }
- list[col] = buffer;
- col++;
- if (mark == '\0')
- break;
- while (*++s && isspace(*s))
- /*EMPTY*/;
- buffer = s;
- } else
- break;
+ static char **list;
+
+ int col = 0;
+
+ if (list == 0 && (list = typeCalloc(char *, MAX_COLUMNS)) == 0)
+ return (0);
+
+ if (*buffer != '#') {
+ while (*buffer != '\0') {
+ char *s;
+ for (s = buffer; (*s != '\0') && !isspace(UChar(*s)); s++)
+ /*EMPTY */ ;
+ if (s != buffer) {
+ char mark = *s;
+ *s = '\0';
+ if ((s - buffer) > 1
+ && (*buffer == '"')
+ && (s[-1] == '"')) { /* strip the quotes */
+ buffer++;
+ s[-1] = '\0';
}
+ list[col] = buffer;
+ col++;
+ if (mark == '\0')
+ break;
+ while (*++s && isspace(UChar(*s)))
+ /*EMPTY */ ;
+ buffer = s;
+ } else
+ break;
}
- return col ? list : 0;
+ }
+ return col ? list : 0;
}
-int main(int argc, char **argv)
+int
+main(int argc, char **argv)
{
- struct name_table_entry *name_table = typeCalloc(struct name_table_entry, CAPTABSIZE);
- struct name_table_entry **hash_table = typeCalloc(struct name_table_entry *, HASHTABSIZE);
- const char *root_name = "";
- int column = 0;
- int n;
- char buffer[BUFSIZ];
-
- static const char * typenames[] = { "BOOLEAN", "NUMBER", "STRING" };
-
- short BoolCount = 0;
- short NumCount = 0;
- short StrCount = 0;
-
- /* The first argument is the column-number (starting with 0).
- * The second is the root name of the tables to generate.
- */
- if (argc <= 2
- || (column = atoi(argv[1])) <= 0
- || (column >= MAX_COLUMNS)
- || *(root_name = argv[2]) == 0) {
- fprintf(stderr, "usage: make_hash column root_name\n");
- exit(EXIT_FAILURE);
+ struct name_table_entry *name_table = typeCalloc(struct
+ name_table_entry, CAPTABSIZE);
+ struct name_table_entry **hash_table = typeCalloc(struct name_table_entry
+ *, HASHTABSIZE);
+ const char *root_name = "";
+ int column = 0;
+ int n;
+ char buffer[BUFSIZ];
+
+ static const char *typenames[] =
+ {"BOOLEAN", "NUMBER", "STRING"};
+
+ short BoolCount = 0;
+ short NumCount = 0;
+ short StrCount = 0;
+
+ /* The first argument is the column-number (starting with 0).
+ * The second is the root name of the tables to generate.
+ */
+ if (argc <= 2
+ || (column = atoi(argv[1])) <= 0
+ || (column >= MAX_COLUMNS)
+ || *(root_name = argv[2]) == 0) {
+ fprintf(stderr, "usage: make_hash column root_name\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /*
+ * Read the table into our arrays.
+ */
+ for (n = 0; (n < CAPTABSIZE) && fgets(buffer, BUFSIZ, stdin);) {
+ char **list, *nlp = strchr(buffer, '\n');
+ if (nlp)
+ *nlp = '\0';
+ list = parse_columns(buffer);
+ if (list == 0) /* blank or comment */
+ continue;
+ name_table[n].nte_link = -1; /* end-of-hash */
+ name_table[n].nte_name = strdup(list[column]);
+ if (!strcmp(list[2], "bool")) {
+ name_table[n].nte_type = BOOLEAN;
+ name_table[n].nte_index = BoolCount++;
+ } else if (!strcmp(list[2], "num")) {
+ name_table[n].nte_type = NUMBER;
+ name_table[n].nte_index = NumCount++;
+ } else if (!strcmp(list[2], "str")) {
+ name_table[n].nte_type = STRING;
+ name_table[n].nte_index = StrCount++;
+ } else {
+ fprintf(stderr, "Unknown type: %s\n", list[2]);
+ exit(EXIT_FAILURE);
}
-
- /*
- * Read the table into our arrays.
- */
- for (n = 0; (n < CAPTABSIZE) && fgets(buffer, BUFSIZ, stdin); ) {
- char **list, *nlp = strchr(buffer, '\n');
- if (nlp)
- *nlp = '\0';
- list = parse_columns(buffer);
- if (list == 0) /* blank or comment */
- continue;
- name_table[n].nte_link = -1; /* end-of-hash */
- name_table[n].nte_name = strdup(list[column]);
- if (!strcmp(list[2], "bool")) {
- name_table[n].nte_type = BOOLEAN;
- name_table[n].nte_index = BoolCount++;
- } else if (!strcmp(list[2], "num")) {
- name_table[n].nte_type = NUMBER;
- name_table[n].nte_index = NumCount++;
- } else if (!strcmp(list[2], "str")) {
- name_table[n].nte_type = STRING;
- name_table[n].nte_index = StrCount++;
- } else {
- fprintf(stderr, "Unknown type: %s\n", list[2]);
- exit(EXIT_FAILURE);
- }
- n++;
+ n++;
+ }
+ _nc_make_hash_table(name_table, hash_table);
+
+ /*
+ * Write the compiled tables to standard output
+ */
+ printf("static struct name_table_entry const _nc_%s_table[] =\n",
+ root_name);
+ printf("{\n");
+ for (n = 0; n < CAPTABSIZE; n++) {
+ sprintf(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 ? ',' : ' ');
+ }
+ printf("};\n\n");
+
+ printf("const struct name_table_entry * const _nc_%s_hash_table[%d] =\n",
+ root_name,
+ HASHTABSIZE + 1);
+ printf("{\n");
+ for (n = 0; n < HASHTABSIZE; n++) {
+ if (hash_table[n] != 0) {
+ sprintf(buffer, "_nc_%s_table + %3ld",
+ root_name,
+ (long) (hash_table[n] - name_table));
+ } else {
+ strcpy(buffer, "0");
}
- _nc_make_hash_table(name_table, hash_table);
-
- /*
- * Write the compiled tables to standard output
- */
- printf("static struct name_table_entry const _nc_%s_table[] =\n",
- root_name);
- printf("{\n");
- for (n = 0; n < CAPTABSIZE; n++) {
- sprintf(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 ? ',' : ' ');
- }
- printf("};\n\n");
-
- printf("const struct name_table_entry * const _nc_%s_hash_table[%d] =\n",
- root_name,
- HASHTABSIZE+1);
- printf("{\n");
- for (n = 0; n < HASHTABSIZE; n++) {
- if (hash_table[n] != 0) {
- sprintf(buffer, "_nc_%s_table + %3ld",
- root_name,
- (long) (hash_table[n] - name_table));
- } else {
- strcpy(buffer, "0");
- }
- printf("\t%s,\n", buffer);
- }
- printf("\t_nc_%s_table\t/* base-of-table */\n", root_name);
- 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");
-
- return EXIT_SUCCESS;
+ printf("\t%s,\n", buffer);
+ }
+ printf("\t_nc_%s_table\t/* base-of-table */\n", root_name);
+ 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");
+
+ return EXIT_SUCCESS;
}
#endif
projects / ncurses.git / blobdiff