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Edit File : UI_get0_output_string.3 \| Size : 10.46 KB
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" UI_STRING, UI_string_types, UI_get_string_type, UI_get_input_flags, UI_get0_output_string, UI_get0_action_string, UI_get0_result_string, UI_get_result_string_length, UI_get0_test_string, UI_get_result_minsize, UI_get_result_maxsize, UI_set_result, UI_set_result_ex \&\- User interface string parsing .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/ui.h> \& \& typedef struct ui_string_st UI_STRING; \& \& enum UI_string_types { \& UIT_NONE = 0, \& UIT_PROMPT, / Prompt for a string / \& UIT_VERIFY, / Prompt for a string and verify / \& UIT_BOOLEAN, / Prompt for a yes/no response / \& UIT_INFO, / Send info to the user / \& UIT_ERROR / Send an error message to the user / \& }; \& \& enum UI_string_types UI_get_string_type(UI_STRING uis); \& int UI_get_input_flags(UI_STRING uis); \& const char UI_get0_output_string(UI_STRING uis); \& const char UI_get0_action_string(UI_STRING uis); \& const char UI_get0_result_string(UI_STRING uis); \& int UI_get_result_string_length(UI_STRING uis); \& const char UI_get0_test_string(UI_STRING uis); \& int UI_get_result_minsize(UI_STRING uis); \& int UI_get_result_maxsize(UI_STRING uis); \& int UI_set_result(UI ui, UI_STRING uis, const char result); \& int UI_set_result_ex(UI ui, UI_STRING uis, const char result, int len); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" The \fB\s-1UI_STRING\s0\fR gets created internally and added to a \fB\s-1UI\s0\fR whenever one of the functions \fBUI_add_input_string()\fR, \fBUI_dup_input_string()\fR, \&\fBUI_add_verify_string()\fR, \fBUI_dup_verify_string()\fR, \&\fBUI_add_input_boolean()\fR, \fBUI_dup_input_boolean()\fR, \fBUI_add_info_string()\fR, \&\fBUI_dup_info_string()\fR, \fBUI_add_error_string()\fR or \fBUI_dup_error_string()\fR is called. For a \fB\s-1UI_METHOD\s0\fR user, there's no need to know more. For a \fB\s-1UI_METHOD\s0\fR creator, it is of interest to fetch text from these \&\fB\s-1UI_STRING\s0\fR objects as well as adding results to some of them. .PP \&\fBUI_get_string_type()\fR is used to retrieve the type of the given \&\fB\s-1UI_STRING\s0\fR. .PP \&\fBUI_get_input_flags()\fR is used to retrieve the flags associated with the given \fB\s-1UI_STRING\s0\fR. .PP \&\fBUI_get0_output_string()\fR is used to retrieve the actual string to output (prompt, info, error, ...). .PP \&\fBUI_get0_action_string()\fR is used to retrieve the action description associated with a \fB\s-1UIT_BOOLEAN\s0\fR type \fB\s-1UI_STRING\s0\fR. For all other \fB\s-1UI_STRING\s0\fR types, \s-1NULL\s0 is returned. See \fBUI_add_input_boolean\fR\\|(3). .PP \&\fBUI_get0_result_string()\fR and \fBUI_get_result_string_length()\fR are used to retrieve the result of a prompt and its length. This is only useful for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings. For all other \fB\s-1UI_STRING\s0\fR types, \fBUI_get0_result_string()\fR returns \s-1NULL\s0 and \fBUI_get_result_string_length()\fR returns \-1. .PP \&\fBUI_get0_test_string()\fR is used to retrieve the string to compare the prompt result with. This is only useful for \fB\s-1UIT_VERIFY\s0\fR type strings. For all other \fB\s-1UI_STRING\s0\fR types, \s-1NULL\s0 is returned. .PP \&\fBUI_get_result_minsize()\fR and \fBUI_get_result_maxsize()\fR are used to retrieve the minimum and maximum required size of the result. This is only useful for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings. For all other \fB\s-1UI_STRING\s0\fR types, \-1 is returned. .PP \&\fBUI_set_result_ex()\fR is used to set the result value of a prompt and its length. For \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings, this sets the result retrievable with \fBUI_get0_result_string()\fR by copying the contents of \fBresult\fR if its length fits the minimum and maximum size requirements. For \fB\s-1UIT_BOOLEAN\s0\fR type \s-1UI\s0 strings, this sets the first character of the result retrievable with \fBUI_get0_result_string()\fR to the first \&\fBok_char\fR given with \fBUI_add_input_boolean()\fR or \fBUI_dup_input_boolean()\fR if the \fBresult\fR matched any of them, or the first of the \&\fBcancel_chars\fR if the \fBresult\fR matched any of them, otherwise it's set to the \s-1NUL\s0 char \f(CW\(C`\e0\(C'\fR. See \fBUI_add_input_boolean\fR\\|(3) for more information on \fBok_chars\fR and \&\fBcancel_chars\fR. .PP \&\fBUI_set_result()\fR does the same thing as \fBUI_set_result_ex()\fR, but calculates its length internally. It expects the string to be terminated with a \s-1NUL\s0 byte, and is therefore only useful with normal C strings. .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBUI_get_string_type()\fR returns the \s-1UI\s0 string type. .PP \&\fBUI_get_input_flags()\fR returns the \s-1UI\s0 string flags. .PP \&\fBUI_get0_output_string()\fR returns the \s-1UI\s0 string output string. .PP \&\fBUI_get0_action_string()\fR returns the \s-1UI\s0 string action description string for \fB\s-1UIT_BOOLEAN\s0\fR type \s-1UI\s0 strings, \s-1NULL\s0 for any other type. .PP \&\fBUI_get0_result_string()\fR returns the \s-1UI\s0 string result buffer for \&\fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings, \s-1NULL\s0 for any other type. .PP \&\fBUI_get_result_string_length()\fR returns the \s-1UI\s0 string result buffer's content length for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings, \&\-1 for any other type. .PP \&\fBUI_get0_test_string()\fR returns the \s-1UI\s0 string action description string for \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings, \s-1NULL\s0 for any other type. .PP \&\fBUI_get_result_minsize()\fR returns the minimum allowed result size for the \s-1UI\s0 string for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings, \&\-1 for any other type. .PP \&\fBUI_get_result_maxsize()\fR returns the minimum allowed result size for the \s-1UI\s0 string for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings, \&\-1 for any other type. .PP \&\fBUI_set_result()\fR returns 0 on success or when the \s-1UI\s0 string is of any type other than \fB\s-1UIT_PROMPT\s0\fR, \fB\s-1UIT_VERIFY\s0\fR or \fB\s-1UIT_BOOLEAN\s0\fR, \-1 on error. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\s-1\fBUI\s0\fR\\|(3) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2001\-2018 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \(L"License\(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>. Back

Edit File : UI_get0_output_string.3 | Size : 10.46 KB

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.\" ========================================================================
.\"
.IX Title "UI_STRING 3"
.TH UI_STRING 3 "2023-09-11" "1.1.1w" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
UI_STRING, UI_string_types, UI_get_string_type, UI_get_input_flags, UI_get0_output_string, UI_get0_action_string, UI_get0_result_string, UI_get_result_string_length, UI_get0_test_string, UI_get_result_minsize, UI_get_result_maxsize, UI_set_result, UI_set_result_ex \&\- User interface string parsing
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ui.h>
\&
\& typedef struct ui_string_st UI_STRING;
\&
\& enum UI_string_types {
\&     UIT_NONE = 0,
\&     UIT_PROMPT,                 /* Prompt for a string */
\&     UIT_VERIFY,                 /* Prompt for a string and verify */
\&     UIT_BOOLEAN,                /* Prompt for a yes/no response */
\&     UIT_INFO,                   /* Send info to the user */
\&     UIT_ERROR                   /* Send an error message to the user */
\& };
\&
\& enum UI_string_types UI_get_string_type(UI_STRING *uis);
\& int UI_get_input_flags(UI_STRING *uis);
\& const char *UI_get0_output_string(UI_STRING *uis);
\& const char *UI_get0_action_string(UI_STRING *uis);
\& const char *UI_get0_result_string(UI_STRING *uis);
\& int UI_get_result_string_length(UI_STRING *uis);
\& const char *UI_get0_test_string(UI_STRING *uis);
\& int UI_get_result_minsize(UI_STRING *uis);
\& int UI_get_result_maxsize(UI_STRING *uis);
\& int UI_set_result(UI *ui, UI_STRING *uis, const char *result);
\& int UI_set_result_ex(UI *ui, UI_STRING *uis, const char *result, int len);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \fB\s-1UI_STRING\s0\fR gets created internally and added to a \fB\s-1UI\s0\fR whenever
one of the functions \fBUI_add_input_string()\fR, \fBUI_dup_input_string()\fR,
\&\fBUI_add_verify_string()\fR, \fBUI_dup_verify_string()\fR,
\&\fBUI_add_input_boolean()\fR, \fBUI_dup_input_boolean()\fR, \fBUI_add_info_string()\fR,
\&\fBUI_dup_info_string()\fR, \fBUI_add_error_string()\fR or \fBUI_dup_error_string()\fR
is called.
For a \fB\s-1UI_METHOD\s0\fR user, there's no need to know more.
For a \fB\s-1UI_METHOD\s0\fR creator, it is of interest to fetch text from these
\&\fB\s-1UI_STRING\s0\fR objects as well as adding results to some of them.
.PP
\&\fBUI_get_string_type()\fR is used to retrieve the type of the given
\&\fB\s-1UI_STRING\s0\fR.
.PP
\&\fBUI_get_input_flags()\fR is used to retrieve the flags associated with the
given \fB\s-1UI_STRING\s0\fR.
.PP
\&\fBUI_get0_output_string()\fR is used to retrieve the actual string to
output (prompt, info, error, ...).
.PP
\&\fBUI_get0_action_string()\fR is used to retrieve the action description
associated with a \fB\s-1UIT_BOOLEAN\s0\fR type \fB\s-1UI_STRING\s0\fR.
For all other \fB\s-1UI_STRING\s0\fR types, \s-1NULL\s0 is returned.
See \fBUI_add_input_boolean\fR\|(3).
.PP
\&\fBUI_get0_result_string()\fR and \fBUI_get_result_string_length()\fR are used to
retrieve the result of a prompt and its length.
This is only useful for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings.
For all other \fB\s-1UI_STRING\s0\fR types, \fBUI_get0_result_string()\fR returns \s-1NULL\s0
and \fBUI_get_result_string_length()\fR returns \-1.
.PP
\&\fBUI_get0_test_string()\fR is used to retrieve the string to compare the
prompt result with.
This is only useful for \fB\s-1UIT_VERIFY\s0\fR type strings.
For all other \fB\s-1UI_STRING\s0\fR types, \s-1NULL\s0 is returned.
.PP
\&\fBUI_get_result_minsize()\fR and \fBUI_get_result_maxsize()\fR are used to
retrieve the minimum and maximum required size of the result.
This is only useful for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings.
For all other \fB\s-1UI_STRING\s0\fR types, \-1 is returned.
.PP
\&\fBUI_set_result_ex()\fR is used to set the result value of a prompt and its length.
For \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings, this sets the
result retrievable with \fBUI_get0_result_string()\fR by copying the
contents of \fBresult\fR if its length fits the minimum and maximum size
requirements.
For \fB\s-1UIT_BOOLEAN\s0\fR type \s-1UI\s0 strings, this sets the first character of
the result retrievable with \fBUI_get0_result_string()\fR to the first
\&\fBok_char\fR given with \fBUI_add_input_boolean()\fR or \fBUI_dup_input_boolean()\fR
if the \fBresult\fR matched any of them, or the first of the
\&\fBcancel_chars\fR if the \fBresult\fR matched any of them, otherwise it's
set to the \s-1NUL\s0 char \f(CW\*(C`\e0\*(C'\fR.
See \fBUI_add_input_boolean\fR\|(3) for more information on \fBok_chars\fR and
\&\fBcancel_chars\fR.
.PP
\&\fBUI_set_result()\fR does the same thing as \fBUI_set_result_ex()\fR, but calculates
its length internally.
It expects the string to be terminated with a \s-1NUL\s0 byte, and is therefore
only useful with normal C strings.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBUI_get_string_type()\fR returns the \s-1UI\s0 string type.
.PP
\&\fBUI_get_input_flags()\fR returns the \s-1UI\s0 string flags.
.PP
\&\fBUI_get0_output_string()\fR returns the \s-1UI\s0 string output string.
.PP
\&\fBUI_get0_action_string()\fR returns the \s-1UI\s0 string action description
string for \fB\s-1UIT_BOOLEAN\s0\fR type \s-1UI\s0 strings, \s-1NULL\s0 for any other type.
.PP
\&\fBUI_get0_result_string()\fR returns the \s-1UI\s0 string result buffer for
\&\fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings, \s-1NULL\s0 for any other
type.
.PP
\&\fBUI_get_result_string_length()\fR returns the \s-1UI\s0 string result buffer's
content length for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings,
\&\-1 for any other type.
.PP
\&\fBUI_get0_test_string()\fR returns the \s-1UI\s0 string action description
string for \fB\s-1UIT_VERIFY\s0\fR type \s-1UI\s0 strings, \s-1NULL\s0 for any other type.
.PP
\&\fBUI_get_result_minsize()\fR returns the minimum allowed result size for
the \s-1UI\s0 string for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings,
\&\-1 for any other type.
.PP
\&\fBUI_get_result_maxsize()\fR returns the minimum allowed result size for
the \s-1UI\s0 string for \fB\s-1UIT_PROMPT\s0\fR and \fB\s-1UIT_VERIFY\s0\fR type strings,
\&\-1 for any other type.
.PP
\&\fBUI_set_result()\fR returns 0 on success or when the \s-1UI\s0 string is of any
type other than \fB\s-1UIT_PROMPT\s0\fR, \fB\s-1UIT_VERIFY\s0\fR or \fB\s-1UIT_BOOLEAN\s0\fR, \-1 on
error.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\s-1\fBUI\s0\fR\|(3)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2001\-2018 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the OpenSSL license (the \*(L"License\*(R").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.

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