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Diffstat (limited to 'readline-4.3/shell.c')
| -rw-r--r-- | readline-4.3/shell.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/readline-4.3/shell.c b/readline-4.3/shell.c deleted file mode 100644 index ad27cc1..0000000 --- a/readline-4.3/shell.c +++ /dev/null @@ -1,196 +0,0 @@ -/* shell.c -- readline utility functions that are normally provided by - bash when readline is linked as part of the shell. */ - -/* Copyright (C) 1997 Free Software Foundation, Inc. - - This file is part of the GNU Readline Library, a library for - reading lines of text with interactive input and history editing. - - The GNU Readline Library 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 2, or - (at your option) any later version. - - The GNU Readline Library 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. - - The GNU General Public License is often shipped with GNU software, and - is generally kept in a file called COPYING or LICENSE. If you do not - have a copy of the license, write to the Free Software Foundation, - 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ -#define READLINE_LIBRARY - -#if defined (HAVE_CONFIG_H) -# include <config.h> -#endif - -#include <sys/types.h> - -#if defined (HAVE_UNISTD_H) -# include <unistd.h> -#endif /* HAVE_UNISTD_H */ - -#if defined (HAVE_STDLIB_H) -# include <stdlib.h> -#else -# include "ansi_stdlib.h" -#endif /* HAVE_STDLIB_H */ - -#if defined (HAVE_STRING_H) -# include <string.h> -#else -# include <strings.h> -#endif /* !HAVE_STRING_H */ - -#if defined (HAVE_LIMITS_H) -# include <limits.h> -#endif - -#include <fcntl.h> -#include <pwd.h> - -#include <stdio.h> - -#include "rlstdc.h" -#include "rlshell.h" -#include "xmalloc.h" - -#if !defined (HAVE_GETPW_DECLS) -extern struct passwd *getpwuid PARAMS((uid_t)); -#endif /* !HAVE_GETPW_DECLS */ - -#ifndef NULL -# define NULL 0 -#endif - -#ifndef CHAR_BIT -# define CHAR_BIT 8 -#endif - -/* Nonzero if the integer type T is signed. */ -#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) - -/* Bound on length of the string representing an integer value of type T. - Subtract one for the sign bit if T is signed; - 302 / 1000 is log10 (2) rounded up; - add one for integer division truncation; - add one more for a minus sign if t is signed. */ -#define INT_STRLEN_BOUND(t) \ - ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 \ - + 1 + TYPE_SIGNED (t)) - -/* All of these functions are resolved from bash if we are linking readline - as part of bash. */ - -/* Does shell-like quoting using single quotes. */ -char * -sh_single_quote (string) - char *string; -{ - register int c; - char *result, *r, *s; - - result = (char *)xmalloc (3 + (4 * strlen (string))); - r = result; - *r++ = '\''; - - for (s = string; s && (c = *s); s++) - { - *r++ = c; - - if (c == '\'') - { - *r++ = '\\'; /* insert escaped single quote */ - *r++ = '\''; - *r++ = '\''; /* start new quoted string */ - } - } - - *r++ = '\''; - *r = '\0'; - - return (result); -} - -/* Set the environment variables LINES and COLUMNS to lines and cols, - respectively. */ -void -sh_set_lines_and_columns (lines, cols) - int lines, cols; -{ - char *b; - -#if defined (HAVE_PUTENV) - b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("LINES=") + 1); - sprintf (b, "LINES=%d", lines); - putenv (b); - b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("COLUMNS=") + 1); - sprintf (b, "COLUMNS=%d", cols); - putenv (b); -#else /* !HAVE_PUTENV */ -# if defined (HAVE_SETENV) - b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1); - sprintf (b, "%d", lines); - setenv ("LINES", b, 1); - b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1); - sprintf (b, "%d", cols); - setenv ("COLUMNS", b, 1); -# endif /* HAVE_SETENV */ -#endif /* !HAVE_PUTENV */ -} - -char * -sh_get_env_value (varname) - const char *varname; -{ - return ((char *)getenv (varname)); -} - -char * -sh_get_home_dir () -{ - char *home_dir; - struct passwd *entry; - - home_dir = (char *)NULL; - entry = getpwuid (getuid ()); - if (entry) - home_dir = entry->pw_dir; - return (home_dir); -} - -#if !defined (O_NDELAY) -# if defined (FNDELAY) -# define O_NDELAY FNDELAY -# endif -#endif - -int -sh_unset_nodelay_mode (fd) - int fd; -{ - int flags, bflags; - - if ((flags = fcntl (fd, F_GETFL, 0)) < 0) - return -1; - - bflags = 0; - -#ifdef O_NONBLOCK - bflags |= O_NONBLOCK; -#endif - -#ifdef O_NDELAY - bflags |= O_NDELAY; -#endif - - if (flags & bflags) - { - flags &= ~bflags; - return (fcntl (fd, F_SETFL, flags)); - } - - return 0; -} |