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-rw-r--r--MSVC/readline/shell.c462
1 files changed, 231 insertions, 231 deletions
diff --git a/MSVC/readline/shell.c b/MSVC/readline/shell.c
index c16fe59..22ee2ad 100644
--- a/MSVC/readline/shell.c
+++ b/MSVC/readline/shell.c
@@ -1,231 +1,231 @@
-/* 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
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <stdio.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>
-
-#if !defined _WIN32
-# include <pwd.h>
-# if !defined (HAVE_GETPW_DECLS)
- extern struct passwd *getpwuid ();
-# endif /* !HAVE_GETPW_DECLS */
-#else /* _WIN32 */
-# include <windows.h>
-#endif /* _WIN32 */
-
-#include <stdio.h>
-
-#include "rlstdc.h"
-#include "rlshell.h"
-#include "xmalloc.h"
-
-#if !defined (HAVE_GETPW_DECLS) && !defined _WIN32
-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);
-}
-
-#if !defined _WIN32
-/* 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 */
-}
-#endif /* !_WIN32 */
-
-char *
-sh_get_env_value (varname)
- const char *varname;
-{
- return ((char *)getenv (varname));
-}
-
-#if !defined _WIN32
-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;
-}
-#else /* _WIN32 */
-char *
-get_user_registry_string(char *keyName, char* valName)
-{
- char *result = NULL;
- HKEY subKey;
- if ( keyName && (RegOpenKeyEx(HKEY_CURRENT_USER, keyName, 0, KEY_READ, &subKey)
- == ERROR_SUCCESS) )
- {
- DWORD type;
- char *chtry = NULL;
- DWORD bufSize = 0;
-
- if ( (RegQueryValueExA(subKey, valName, NULL, &type, chtry, &bufSize)
- == ERROR_SUCCESS) && (type == REG_SZ) )
- {
- if ( (chtry = (char *)xmalloc(bufSize))
- && (RegQueryValueExA(subKey, valName, NULL, &type, chtry, &bufSize) == ERROR_SUCCESS) )
- result = chtry;
- }
- }
- return result;
-}
-#endif /* _WIN32 */
-
+/* 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
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <stdio.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>
+
+#if !defined _WIN32
+# include <pwd.h>
+# if !defined (HAVE_GETPW_DECLS)
+ extern struct passwd *getpwuid ();
+# endif /* !HAVE_GETPW_DECLS */
+#else /* _WIN32 */
+# include <windows.h>
+#endif /* _WIN32 */
+
+#include <stdio.h>
+
+#include "rlstdc.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#if !defined (HAVE_GETPW_DECLS) && !defined _WIN32
+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);
+}
+
+#if !defined _WIN32
+/* 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 */
+}
+#endif /* !_WIN32 */
+
+char *
+sh_get_env_value (varname)
+ const char *varname;
+{
+ return ((char *)getenv (varname));
+}
+
+#if !defined _WIN32
+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;
+}
+#else /* _WIN32 */
+char *
+get_user_registry_string(char *keyName, char* valName)
+{
+ char *result = NULL;
+ HKEY subKey;
+ if ( keyName && (RegOpenKeyEx(HKEY_CURRENT_USER, keyName, 0, KEY_READ, &subKey)
+ == ERROR_SUCCESS) )
+ {
+ DWORD type;
+ char *chtry = NULL;
+ DWORD bufSize = 0;
+
+ if ( (RegQueryValueExA(subKey, valName, NULL, &type, chtry, &bufSize)
+ == ERROR_SUCCESS) && (type == REG_SZ) )
+ {
+ if ( (chtry = (char *)xmalloc(bufSize))
+ && (RegQueryValueExA(subKey, valName, NULL, &type, chtry, &bufSize) == ERROR_SUCCESS) )
+ result = chtry;
+ }
+ }
+ return result;
+}
+#endif /* _WIN32 */
+
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