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-rw-r--r--test/demo_forms.c61
1 files changed, 29 insertions, 32 deletions
diff --git a/test/demo_forms.c b/test/demo_forms.c
index 62e8c644e23b..5beb2a6135af 100644
--- a/test/demo_forms.c
+++ b/test/demo_forms.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright 2018-2022,2023 Thomas E. Dickey *
+ * Copyright 2018-2024,2025 Thomas E. Dickey *
* Copyright 2003-2016,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
@@ -27,7 +27,7 @@
* authorization. *
****************************************************************************/
/*
- * $Id: demo_forms.c,v 1.63 2023/11/11 00:29:53 tom Exp $
+ * $Id: demo_forms.c,v 1.69 2025/07/05 15:21:56 tom Exp $
*
* Demonstrate a variety of functions from the form library.
* Thomas Dickey - 2003/4/26
@@ -50,7 +50,7 @@ static int d_option = 0;
static int j_value = 0;
static int m_value = 0;
static int o_value = 0;
-static char *t_value = 0;
+static char *t_value = NULL;
static void
failed(const char *s)
@@ -82,9 +82,9 @@ static char *
get_data(const char *name)
{
char *result = t_value;
- if (my_data != 0) {
+ if (my_data != NULL) {
int n;
- for (n = 0; my_data[n].name != 0; ++n) {
+ for (n = 0; my_data[n].name != NULL; ++n) {
if (!strcmp(name, my_data[n].name)) {
result = my_data[n].value;
break;
@@ -102,21 +102,21 @@ read_data(const char *filename)
{
FILE *fp = fopen(filename, "r");
- if (fp != 0) {
+ if (fp != NULL) {
char buffer[BUFSIZ];
char *colon;
int more = 0;
int item = 0;
my_data = typeCalloc(MY_DATA, (size_t) 100); /* FIXME */
- while (fgets(buffer, sizeof(buffer), fp) != 0) {
+ while (fgets(buffer, sizeof(buffer), fp) != NULL) {
chomp(buffer);
if (more) {
if (strcmp(buffer, ".")) {
char *prior = my_data[more - 1].value;
size_t need = strlen(buffer) + 2 + strlen(prior);
char *value = typeRealloc(char, need, prior);
- if (value == 0)
+ if (value == NULL)
failed("realloc");
_nc_STRCAT(value, "\n", need);
_nc_STRCAT(value, buffer, need);
@@ -126,13 +126,13 @@ read_data(const char *filename)
}
} else if (*buffer == '#') {
continue;
- } else if ((colon = strchr(buffer, ':')) != 0) {
+ } else if ((colon = strchr(buffer, ':')) != NULL) {
char *name;
char *value;
*colon++ = '\0';
name = strdup(buffer);
value = strdup(colon);
- if (name == 0 || value == 0)
+ if (name == NULL || value == NULL)
failed("strdup");
my_data[item].name = name;
my_data[item].value = value;
@@ -148,7 +148,7 @@ read_data(const char *filename)
}
static FIELD *
-make_label(const char *label, int frow, int fcol)
+make_label(NCURSES_CONST char *label, int frow, int fcol)
{
FIELD *f = new_field(1, (int) strlen(label), frow, fcol, 0, 0);
@@ -242,13 +242,13 @@ show_insert_mode(bool insert_mode)
#define O_SELECTABLE (O_ACTIVE | O_VISIBLE)
static FIELD *
-another_field(FORM *form, const FIELD *const field)
+another_field(NCURSES_CONST FORM *form, NCURSES_CONST FIELD *const field)
{
FIELD **f = form_fields(form);
- FIELD *result = 0;
+ FIELD *result = NULL;
int n;
- for (n = 0; f[n] != 0; ++n) {
+ for (n = 0; f[n] != NULL; ++n) {
if (f[n] != field) {
result = f[n];
field_opts_on(result, O_SELECTABLE);
@@ -273,7 +273,7 @@ my_form_driver(FORM *form, int c)
help_edit_field();
break;
case MY_EDT_MODE:
- if ((field = current_field(form)) != 0) {
+ if ((field = current_field(form)) != NULL) {
set_current_field(form, another_field(form, field));
if ((unsigned) field_opts(field) & O_EDIT) {
field_opts_off(field, O_EDIT);
@@ -306,9 +306,9 @@ my_form_driver(FORM *form, int c)
}
static void
-show_current_field(WINDOW *win, FORM *form)
+show_current_field(WINDOW *win, NCURSES_CONST FORM *form)
{
- FIELD *field;
+ NCURSES_CONST FIELD *field;
int field_rows, field_cols, field_max;
int currow, curcol;
@@ -324,8 +324,8 @@ show_current_field(WINDOW *win, FORM *form)
waddstr(win, " behind");
waddch(win, '\n');
- if ((field = current_field(form)) != 0) {
- FIELDTYPE *type;
+ if ((field = current_field(form)) != NULL) {
+ NCURSES_CONST FIELDTYPE *type;
int nbuf;
wprintw(win, "Page %d%s, Field %d/%d%s:",
@@ -333,7 +333,7 @@ show_current_field(WINDOW *win, FORM *form)
new_page(field) ? "*" : "",
field_index(field), field_count(form),
field_arg(field) ? "(arg)" : "");
- if ((type = field_type(field)) != 0) {
+ if ((type = field_type(field)) != NULL) {
if (type == TYPE_ALNUM)
waddstr(win, "ALNUM");
else if (type == TYPE_ALPHA)
@@ -383,8 +383,8 @@ show_current_field(WINDOW *win, FORM *form)
waddstr(win, "\n");
for (nbuf = 0; nbuf <= 2; ++nbuf) {
- char *buffer;
- if ((buffer = field_buffer(field, nbuf)) != 0) {
+ NCURSES_CONST char *buffer;
+ if ((buffer = field_buffer(field, nbuf)) != NULL) {
wprintw(win, "buffer %d:", nbuf);
(void) wattrset(win, A_REVERSE);
if (nbuf) {
@@ -408,9 +408,9 @@ demo_forms(void)
int c;
unsigned n = 0;
int pg;
- const char *fname;
- static const char *my_enum[] =
- {"first", "second", "third", 0};
+ NCURSES_CONST char *fname;
+ static NCURSES_CONST char *my_enum[] =
+ {"first", "second", "third", NULL};
#ifdef NCURSES_MOUSE_VERSION
mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
@@ -514,8 +514,8 @@ demo_forms(void)
f[n] = (FIELD *) 0;
- if ((form = new_form(f)) != 0) {
- WINDOW *w;
+ if ((form = new_form(f)) != NULL) {
+ NCURSES_CONST WINDOW *w;
WINDOW *also;
int finished = 0;
@@ -543,7 +543,7 @@ demo_forms(void)
free_form(form);
}
- for (c = 0; f[c] != 0; c++) {
+ for (c = 0; f[c] != NULL; c++) {
free_edit_field(f[c]);
free_field(f[c]);
}
@@ -606,11 +606,8 @@ main(int argc, char *argv[])
case 't':
t_value = optarg;
break;
- case OPTS_VERSION:
- show_version(argv);
- ExitProgram(EXIT_SUCCESS);
default:
- usage(ch == OPTS_USAGE);
+ CASE_COMMON;
/* NOTREACHED */
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-19 09:32:01 +0000