diff options
Diffstat (limited to 'openssl/crypto/ui/ui_lib.c')
| -rw-r--r-- | openssl/crypto/ui/ui_lib.c | 905 |
1 files changed, 905 insertions, 0 deletions
diff --git a/openssl/crypto/ui/ui_lib.c b/openssl/crypto/ui/ui_lib.c new file mode 100644 index 000000000..ac0100808 --- /dev/null +++ b/openssl/crypto/ui/ui_lib.c @@ -0,0 +1,905 @@ +/* crypto/ui/ui_lib.c -*- mode:C; c-file-style: "eay" -*- */ +/* 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) + { + 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; p++) + { + if (strchr(cancel_chars, *p)) + { + 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) + { + 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) + { + 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) + { + 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) + { + 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) + { + 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) + { + 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) + { + 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) + { + 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) + { + 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) + 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) + len += sizeof(prompt2) - 1 + strlen(object_name); + len += sizeof(prompt3) - 1; + + prompt = (char *)OPENSSL_malloc(len + 1); + BUF_strlcpy(prompt, prompt1, len + 1); + BUF_strlcat(prompt, object_desc, len + 1); + if (object_name) + { + 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 + && !ui->meth->ui_write_string(ui, &uis)) + return -1; + return 0; + } + +int UI_process(UI *ui) + { + int i, ok=0; + + if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui)) + return -1; + + 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 + && !ui->meth->ui_write_string(ui, + sk_UI_STRING_value(ui->strings, i))) + { + ok=-1; + goto err; + } + } + + if (ui->meth->ui_flush) + 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) + { + 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 && !ui->meth->ui_close_session(ui)) + 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) + { + method->ui_open_session = opener; + return 0; + } + else + return -1; + } + +int UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis)) + { + if (method) + { + method->ui_write_string = writer; + return 0; + } + else + return -1; + } + +int UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui)) + { + if (method) + { + method->ui_flush = flusher; + return 0; + } + else + return -1; + } + +int UI_method_set_reader(UI_METHOD *method, int (*reader)(UI *ui, UI_STRING *uis)) + { + if (method) + { + method->ui_read_string = reader; + return 0; + } + else + return -1; + } + +int UI_method_set_closer(UI_METHOD *method, int (*closer)(UI *ui)) + { + if (method) + { + method->ui_close_session = closer; + return 0; + } + else + return -1; + } + +int (*UI_method_get_opener(UI_METHOD *method))(UI*) + { + if (method) + return method->ui_open_session; + else + return NULL; + } + +int (*UI_method_get_writer(UI_METHOD *method))(UI*,UI_STRING*) + { + if (method) + return method->ui_write_string; + else + return NULL; + } + +int (*UI_method_get_flusher(UI_METHOD *method))(UI*) + { + if (method) + return method->ui_flush; + else + return NULL; + } + +int (*UI_method_get_reader(UI_METHOD *method))(UI*,UI_STRING*) + { + if (method) + return method->ui_read_string; + else + return NULL; + } + +int (*UI_method_get_closer(UI_METHOD *method))(UI*) + { + if (method) + return method->ui_close_session; + else + 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_PROMPT: + 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; + } |