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Diffstat (limited to 'gnulib/lib/readline.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/readline.c | 55 |
2 files changed, 55 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/readline.c b/gnulib/lib/readline.c new file mode 100644 index 0000000..72a93c3 --- /dev/null +++ b/gnulib/lib/readline.c @@ -0,0 +1,55 @@ +/* readline.c --- Simple implementation of readline. + Copyright (C) 2005-2007, 2009-2011 Free Software Foundation, Inc. + Written by Simon Josefsson + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* This module is intended to be used when the application only needs + the readline interface. If you need more functions from the + readline library, it is recommended to require the readline library + (or improve this module) rather than #if-protect part of your + application (doing so would add assumptions of this module into + your application). The application should use #include + "readline.h", that header file will include <readline/readline.h> + if the real library is present on the system. */ + +/* Get specification. */ +#include "readline.h" + +#include <stdio.h> +#include <string.h> + +char * +readline (const char *prompt) +{ + char *out = NULL; + size_t size = 0; + + if (prompt) + { + fputs (prompt, stdout); + fflush (stdout); + } + + if (getline (&out, &size, stdin) < 0) + return NULL; + + while (*out && (out[strlen (out) - 1] == '\r' + || out[strlen (out) - 1] == '\n')) + out[strlen (out) - 1] = '\0'; + + return out; +} |