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godot/thirdparty/openssl/crypto/ui/ui_lib.c

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/* crypto/ui/ui_lib.c */
/*
* Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
* 2001.
*/
/* ====================================================================
* Copyright (c) 2001 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <string.h>
#include "cryptlib.h"
#include <openssl/e_os2.h>
#include <openssl/buffer.h>
#include <openssl/ui.h>
#include <openssl/err.h>
#include "ui_locl.h"
IMPLEMENT_STACK_OF(UI_STRING_ST)
static const UI_METHOD *default_UI_meth = NULL;
UI *UI_new(void)
{
return (UI_new_method(NULL));
}
UI *UI_new_method(const UI_METHOD *method)
{
UI *ret;
ret = (UI *)OPENSSL_malloc(sizeof(UI));
if (ret == NULL) {
UIerr(UI_F_UI_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return NULL;
}
if (method == NULL)
ret->meth = UI_get_default_method();
else
ret->meth = method;
ret->strings = NULL;
ret->user_data = NULL;
ret->flags = 0;
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data);
return ret;
}
static void free_string(UI_STRING *uis)
{
if (uis->flags & OUT_STRING_FREEABLE) {
OPENSSL_free((char *)uis->out_string);
switch (uis->type) {
case UIT_BOOLEAN:
OPENSSL_free((char *)uis->_.boolean_data.action_desc);
OPENSSL_free((char *)uis->_.boolean_data.ok_chars);
OPENSSL_free((char *)uis->_.boolean_data.cancel_chars);
break;
default:
break;
}
}
OPENSSL_free(uis);
}
void UI_free(UI *ui)
{
if (ui == NULL)
return;
sk_UI_STRING_pop_free(ui->strings, free_string);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
OPENSSL_free(ui);
}
static int allocate_string_stack(UI *ui)
{
if (ui->strings == NULL) {
ui->strings = sk_UI_STRING_new_null();
if (ui->strings == NULL) {
return -1;
}
}
return 0;
}
static UI_STRING *general_allocate_prompt(UI *ui, const char *prompt,
int prompt_freeable,
enum UI_string_types type,
int input_flags, char *result_buf)
{
UI_STRING *ret = NULL;
if (prompt == NULL) {
UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, ERR_R_PASSED_NULL_PARAMETER);
} else if ((type == UIT_PROMPT || type == UIT_VERIFY
|| type == UIT_BOOLEAN) && result_buf == NULL) {
UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, UI_R_NO_RESULT_BUFFER);
} else if ((ret = (UI_STRING *)OPENSSL_malloc(sizeof(UI_STRING)))) {
ret->out_string = prompt;
ret->flags = prompt_freeable ? OUT_STRING_FREEABLE : 0;
ret->input_flags = input_flags;
ret->type = type;
ret->result_buf = result_buf;
}
return ret;
}
static int general_allocate_string(UI *ui, const char *prompt,
int prompt_freeable,
enum UI_string_types type, int input_flags,
char *result_buf, int minsize, int maxsize,
const char *test_buf)
{
int ret = -1;
UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable,
type, input_flags, result_buf);
if (s != NULL) {
if (allocate_string_stack(ui) >= 0) {
s->_.string_data.result_minsize = minsize;
s->_.string_data.result_maxsize = maxsize;
s->_.string_data.test_buf = test_buf;
ret = sk_UI_STRING_push(ui->strings, s);
/* sk_push() returns 0 on error. Let's addapt that */
if (ret <= 0)
ret--;
} else
free_string(s);
}
return ret;
}
static int general_allocate_boolean(UI *ui,
const char *prompt,
const char *action_desc,
const char *ok_chars,
const char *cancel_chars,
int prompt_freeable,
enum UI_string_types type,
int input_flags, char *result_buf)
{
int ret = -1;
UI_STRING *s;
const char *p;
if (ok_chars == NULL) {
UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER);
} else if (cancel_chars == NULL) {
UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER);
} else {
for (p = ok_chars; *p != '\0'; p++) {
if (strchr(cancel_chars, *p) != NULL) {
UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,
UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
}
}
s = general_allocate_prompt(ui, prompt, prompt_freeable,
type, input_flags, result_buf);
if (s != NULL) {
if (allocate_string_stack(ui) >= 0) {
s->_.boolean_data.action_desc = action_desc;
s->_.boolean_data.ok_chars = ok_chars;
s->_.boolean_data.cancel_chars = cancel_chars;
ret = sk_UI_STRING_push(ui->strings, s);
/*
* sk_push() returns 0 on error. Let's addapt that
*/
if (ret <= 0)
ret--;
} else
free_string(s);
}
}
return ret;
}
/*
* Returns the index to the place in the stack or -1 for error. Uses a
* direct reference to the prompt.
*/
int UI_add_input_string(UI *ui, const char *prompt, int flags,
char *result_buf, int minsize, int maxsize)
{
return general_allocate_string(ui, prompt, 0,
UIT_PROMPT, flags, result_buf, minsize,
maxsize, NULL);
}
/* Same as UI_add_input_string(), excepts it takes a copy of the prompt */
int UI_dup_input_string(UI *ui, const char *prompt, int flags,
char *result_buf, int minsize, int maxsize)
{
char *prompt_copy = NULL;
if (prompt != NULL) {
prompt_copy = BUF_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_STRING, ERR_R_MALLOC_FAILURE);
return 0;
}
}
return general_allocate_string(ui, prompt_copy, 1,
UIT_PROMPT, flags, result_buf, minsize,
maxsize, NULL);
}
int UI_add_verify_string(UI *ui, const char *prompt, int flags,
char *result_buf, int minsize, int maxsize,
const char *test_buf)
{
return general_allocate_string(ui, prompt, 0,
UIT_VERIFY, flags, result_buf, minsize,
maxsize, test_buf);
}
int UI_dup_verify_string(UI *ui, const char *prompt, int flags,
char *result_buf, int minsize, int maxsize,
const char *test_buf)
{
char *prompt_copy = NULL;
if (prompt != NULL) {
prompt_copy = BUF_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_VERIFY_STRING, ERR_R_MALLOC_FAILURE);
return -1;
}
}
return general_allocate_string(ui, prompt_copy, 1,
UIT_VERIFY, flags, result_buf, minsize,
maxsize, test_buf);
}
int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc,
const char *ok_chars, const char *cancel_chars,
int flags, char *result_buf)
{
return general_allocate_boolean(ui, prompt, action_desc,
ok_chars, cancel_chars, 0, UIT_BOOLEAN,
flags, result_buf);
}
int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc,
const char *ok_chars, const char *cancel_chars,
int flags, char *result_buf)
{
char *prompt_copy = NULL;
char *action_desc_copy = NULL;
char *ok_chars_copy = NULL;
char *cancel_chars_copy = NULL;
if (prompt != NULL) {
prompt_copy = BUF_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (action_desc != NULL) {
action_desc_copy = BUF_strdup(action_desc);
if (action_desc_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (ok_chars != NULL) {
ok_chars_copy = BUF_strdup(ok_chars);
if (ok_chars_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (cancel_chars != NULL) {
cancel_chars_copy = BUF_strdup(cancel_chars);
if (cancel_chars_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
return general_allocate_boolean(ui, prompt_copy, action_desc_copy,
ok_chars_copy, cancel_chars_copy, 1,
UIT_BOOLEAN, flags, result_buf);
err:
if (prompt_copy)
OPENSSL_free(prompt_copy);
if (action_desc_copy)
OPENSSL_free(action_desc_copy);
if (ok_chars_copy)
OPENSSL_free(ok_chars_copy);
if (cancel_chars_copy)
OPENSSL_free(cancel_chars_copy);
return -1;
}
int UI_add_info_string(UI *ui, const char *text)
{
return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0,
NULL);
}
int UI_dup_info_string(UI *ui, const char *text)
{
char *text_copy = NULL;
if (text != NULL) {
text_copy = BUF_strdup(text);
if (text_copy == NULL) {
UIerr(UI_F_UI_DUP_INFO_STRING, ERR_R_MALLOC_FAILURE);
return -1;
}
}
return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL,
0, 0, NULL);
}
int UI_add_error_string(UI *ui, const char *text)
{
return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0,
NULL);
}
int UI_dup_error_string(UI *ui, const char *text)
{
char *text_copy = NULL;
if (text != NULL) {
text_copy = BUF_strdup(text);
if (text_copy == NULL) {
UIerr(UI_F_UI_DUP_ERROR_STRING, ERR_R_MALLOC_FAILURE);
return -1;
}
}
return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL,
0, 0, NULL);
}
char *UI_construct_prompt(UI *ui, const char *object_desc,
const char *object_name)
{
char *prompt = NULL;
if (ui->meth->ui_construct_prompt != NULL)
prompt = ui->meth->ui_construct_prompt(ui, object_desc, object_name);
else {
char prompt1[] = "Enter ";
char prompt2[] = " for ";
char prompt3[] = ":";
int len = 0;
if (object_desc == NULL)
return NULL;
len = sizeof(prompt1) - 1 + strlen(object_desc);
if (object_name != NULL)
len += sizeof(prompt2) - 1 + strlen(object_name);
len += sizeof(prompt3) - 1;
prompt = (char *)OPENSSL_malloc(len + 1);
if (prompt == NULL)
return NULL;
BUF_strlcpy(prompt, prompt1, len + 1);
BUF_strlcat(prompt, object_desc, len + 1);
if (object_name != NULL) {
BUF_strlcat(prompt, prompt2, len + 1);
BUF_strlcat(prompt, object_name, len + 1);
}
BUF_strlcat(prompt, prompt3, len + 1);
}
return prompt;
}
void *UI_add_user_data(UI *ui, void *user_data)
{
void *old_data = ui->user_data;
ui->user_data = user_data;
return old_data;
}
void *UI_get0_user_data(UI *ui)
{
return ui->user_data;
}
const char *UI_get0_result(UI *ui, int i)
{
if (i < 0) {
UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_SMALL);
return NULL;
}
if (i >= sk_UI_STRING_num(ui->strings)) {
UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_LARGE);
return NULL;
}
return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
}
static int print_error(const char *str, size_t len, UI *ui)
{
UI_STRING uis;
memset(&uis, 0, sizeof(uis));
uis.type = UIT_ERROR;
uis.out_string = str;
if (ui->meth->ui_write_string != NULL
&& ui->meth->ui_write_string(ui, &uis) <= 0)
return -1;
return 0;
}
int UI_process(UI *ui)
{
int i, ok = 0;
if (ui->meth->ui_open_session != NULL
&& ui->meth->ui_open_session(ui) <= 0) {
ok = -1;
goto err;
}
if (ui->flags & UI_FLAG_PRINT_ERRORS)
ERR_print_errors_cb((int (*)(const char *, size_t, void *))
print_error, (void *)ui);
for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
if (ui->meth->ui_write_string != NULL
&& (ui->meth->ui_write_string(ui,
sk_UI_STRING_value(ui->strings, i))
<= 0))
{
ok = -1;
goto err;
}
}
if (ui->meth->ui_flush != NULL)
switch (ui->meth->ui_flush(ui)) {
case -1: /* Interrupt/Cancel/something... */
ok = -2;
goto err;
case 0: /* Errors */
ok = -1;
goto err;
default: /* Success */
ok = 0;
break;
}
for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) {
if (ui->meth->ui_read_string != NULL) {
switch (ui->meth->ui_read_string(ui,
sk_UI_STRING_value(ui->strings,
i))) {
case -1: /* Interrupt/Cancel/something... */
ok = -2;
goto err;
case 0: /* Errors */
ok = -1;
goto err;
default: /* Success */
ok = 0;
break;
}
}
}
err:
if (ui->meth->ui_close_session != NULL
&& ui->meth->ui_close_session(ui) <= 0)
return -1;
return ok;
}
int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f) (void))
{
if (ui == NULL) {
UIerr(UI_F_UI_CTRL, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
switch (cmd) {
case UI_CTRL_PRINT_ERRORS:
{
int save_flag = ! !(ui->flags & UI_FLAG_PRINT_ERRORS);
if (i)
ui->flags |= UI_FLAG_PRINT_ERRORS;
else
ui->flags &= ~UI_FLAG_PRINT_ERRORS;
return save_flag;
}
case UI_CTRL_IS_REDOABLE:
return ! !(ui->flags & UI_FLAG_REDOABLE);
default:
break;
}
UIerr(UI_F_UI_CTRL, UI_R_UNKNOWN_CONTROL_COMMAND);
return -1;
}
int UI_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_UI, argl, argp,
new_func, dup_func, free_func);
}
int UI_set_ex_data(UI *r, int idx, void *arg)
{
return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
}
void *UI_get_ex_data(UI *r, int idx)
{
return (CRYPTO_get_ex_data(&r->ex_data, idx));
}
void UI_set_default_method(const UI_METHOD *meth)
{
default_UI_meth = meth;
}
const UI_METHOD *UI_get_default_method(void)
{
if (default_UI_meth == NULL) {
default_UI_meth = UI_OpenSSL();
}
return default_UI_meth;
}
const UI_METHOD *UI_get_method(UI *ui)
{
return ui->meth;
}
const UI_METHOD *UI_set_method(UI *ui, const UI_METHOD *meth)
{
ui->meth = meth;
return ui->meth;
}
UI_METHOD *UI_create_method(char *name)
{
UI_METHOD *ui_method = (UI_METHOD *)OPENSSL_malloc(sizeof(UI_METHOD));
if (ui_method) {
memset(ui_method, 0, sizeof(*ui_method));
ui_method->name = BUF_strdup(name);
}
return ui_method;
}
/*
* BIG FSCKING WARNING!!!! If you use this on a statically allocated method
* (that is, it hasn't been allocated using UI_create_method(), you deserve
* anything Murphy can throw at you and more! You have been warned.
*/
void UI_destroy_method(UI_METHOD *ui_method)
{
OPENSSL_free(ui_method->name);
ui_method->name = NULL;
OPENSSL_free(ui_method);
}
int UI_method_set_opener(UI_METHOD *method, int (*opener) (UI *ui))
{
if (method != NULL) {
method->ui_open_session = opener;
return 0;
}
return -1;
}
int UI_method_set_writer(UI_METHOD *method,
int (*writer) (UI *ui, UI_STRING *uis))
{
if (method != NULL) {
method->ui_write_string = writer;
return 0;
}
return -1;
}
int UI_method_set_flusher(UI_METHOD *method, int (*flusher) (UI *ui))
{
if (method != NULL) {
method->ui_flush = flusher;
return 0;
}
return -1;
}
int UI_method_set_reader(UI_METHOD *method,
int (*reader) (UI *ui, UI_STRING *uis))
{
if (method != NULL) {
method->ui_read_string = reader;
return 0;
}
return -1;
}
int UI_method_set_closer(UI_METHOD *method, int (*closer) (UI *ui))
{
if (method != NULL) {
method->ui_close_session = closer;
return 0;
}
return -1;
}
int UI_method_set_prompt_constructor(UI_METHOD *method,
char *(*prompt_constructor) (UI *ui,
const char
*object_desc,
const char
*object_name))
{
if (method != NULL) {
method->ui_construct_prompt = prompt_constructor;
return 0;
}
return -1;
}
int (*UI_method_get_opener(UI_METHOD *method)) (UI *)
{
if (method != NULL)
return method->ui_open_session;
return NULL;
}
int (*UI_method_get_writer(UI_METHOD *method)) (UI *, UI_STRING *)
{
if (method != NULL)
return method->ui_write_string;
return NULL;
}
int (*UI_method_get_flusher(UI_METHOD *method)) (UI *)
{
if (method != NULL)
return method->ui_flush;
return NULL;
}
int (*UI_method_get_reader(UI_METHOD *method)) (UI *, UI_STRING *)
{
if (method != NULL)
return method->ui_read_string;
return NULL;
}
int (*UI_method_get_closer(UI_METHOD *method)) (UI *)
{
if (method != NULL)
return method->ui_close_session;
return NULL;
}
char *(*UI_method_get_prompt_constructor(UI_METHOD *method)) (UI *,
const char *,
const char *)
{
if (method != NULL)
return method->ui_construct_prompt;
return NULL;
}
enum UI_string_types UI_get_string_type(UI_STRING *uis)
{
if (!uis)
return UIT_NONE;
return uis->type;
}
int UI_get_input_flags(UI_STRING *uis)
{
if (!uis)
return 0;
return uis->input_flags;
}
const char *UI_get0_output_string(UI_STRING *uis)
{
if (!uis)
return NULL;
return uis->out_string;
}
const char *UI_get0_action_string(UI_STRING *uis)
{
if (!uis)
return NULL;
switch (uis->type) {
case UIT_BOOLEAN:
return uis->_.boolean_data.action_desc;
default:
return NULL;
}
}
const char *UI_get0_result_string(UI_STRING *uis)
{
if (!uis)
return NULL;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
return uis->result_buf;
default:
return NULL;
}
}
const char *UI_get0_test_string(UI_STRING *uis)
{
if (!uis)
return NULL;
switch (uis->type) {
case UIT_VERIFY:
return uis->_.string_data.test_buf;
default:
return NULL;
}
}
int UI_get_result_minsize(UI_STRING *uis)
{
if (!uis)
return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
return uis->_.string_data.result_minsize;
default:
return -1;
}
}
int UI_get_result_maxsize(UI_STRING *uis)
{
if (!uis)
return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
return uis->_.string_data.result_maxsize;
default:
return -1;
}
}
int UI_set_result(UI *ui, UI_STRING *uis, const char *result)
{
int l = strlen(result);
ui->flags &= ~UI_FLAG_REDOABLE;
if (!uis)
return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
{
char number1[DECIMAL_SIZE(uis->_.string_data.result_minsize) + 1];
char number2[DECIMAL_SIZE(uis->_.string_data.result_maxsize) + 1];
BIO_snprintf(number1, sizeof(number1), "%d",
uis->_.string_data.result_minsize);
BIO_snprintf(number2, sizeof(number2), "%d",
uis->_.string_data.result_maxsize);
if (l < uis->_.string_data.result_minsize) {
ui->flags |= UI_FLAG_REDOABLE;
UIerr(UI_F_UI_SET_RESULT, UI_R_RESULT_TOO_SMALL);
ERR_add_error_data(5, "You must type in ",
number1, " to ", number2, " characters");
return -1;
}
if (l > uis->_.string_data.result_maxsize) {
ui->flags |= UI_FLAG_REDOABLE;
UIerr(UI_F_UI_SET_RESULT, UI_R_RESULT_TOO_LARGE);
ERR_add_error_data(5, "You must type in ",
number1, " to ", number2, " characters");
return -1;
}
}
if (!uis->result_buf) {
UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER);
return -1;
}
BUF_strlcpy(uis->result_buf, result,
uis->_.string_data.result_maxsize + 1);
break;
case UIT_BOOLEAN:
{
const char *p;
if (!uis->result_buf) {
UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER);
return -1;
}
uis->result_buf[0] = '\0';
for (p = result; *p; p++) {
if (strchr(uis->_.boolean_data.ok_chars, *p)) {
uis->result_buf[0] = uis->_.boolean_data.ok_chars[0];
break;
}
if (strchr(uis->_.boolean_data.cancel_chars, *p)) {
uis->result_buf[0] = uis->_.boolean_data.cancel_chars[0];
break;
}
}
}
default:
break;
}
return 0;
}
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