56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* readline.c --- Simple implementation of readline.
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Copyright (C) 2005-2007, 2009-2022 Free Software Foundation, Inc.
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Written by Simon Josefsson
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* This module is intended to be used when the application only needs
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the readline interface. If you need more functions from the
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readline library, it is recommended to require the readline library
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(or improve this module) rather than #if-protect part of your
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application (doing so would add assumptions of this module into
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your application). The application should use #include
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"readline.h", that header file will include <readline/readline.h>
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if the real library is present on the system. */
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/* Get specification. */
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#include "readline.h"
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#include <stdio.h>
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#include <string.h>
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char *
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readline (const char *prompt)
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{
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char *out = NULL;
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size_t size = 0;
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if (prompt)
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{
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fputs (prompt, stdout);
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fflush (stdout);
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}
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if (getline (&out, &size, stdin) < 0)
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return NULL;
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while (*out && (out[strlen (out) - 1] == '\r'
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|| out[strlen (out) - 1] == '\n'))
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out[strlen (out) - 1] = '\0';
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return out;
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}
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