diff options
Diffstat (limited to 'lib/readline')
| l---------[-rw-r--r--] | lib/readline/COPYING | 675 | ||||
| l---------[-rw-r--r--] | lib/readline/ansi_stdlib.h | 55 | ||||
| l---------[-rw-r--r--] | lib/readline/doc/fdl.texi | 452 | ||||
| -rw-r--r-- | lib/readline/histexpand.c | 5 | ||||
| l---------[-rw-r--r--] | lib/readline/posixdir.h | 62 | ||||
| l---------[-rw-r--r--] | lib/readline/posixjmp.h | 41 | ||||
| l---------[-rw-r--r--] | lib/readline/posixstat.h | 143 | ||||
| l---------[-rw-r--r--] | lib/readline/tilde.c | 503 | ||||
| l---------[-rw-r--r--] | lib/readline/tilde.h | 81 |
9 files changed, 11 insertions, 2006 deletions
diff --git a/lib/readline/COPYING b/lib/readline/COPYING index 94a9ed02..7d29222e 100644..120000 --- a/lib/readline/COPYING +++ b/lib/readline/COPYING @@ -1,674 +1 @@ - GNU GENERAL PUBLIC LICENSE - Version 3, 29 June 2007 - - Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The GNU General Public License is a free, copyleft license for -software and other kinds of works. - - The licenses for most software and other practical works are designed -to take away your freedom to share and change the works. By contrast, -the GNU General Public License is intended to guarantee your freedom to -share and change all versions of a program--to make sure it remains free -software for all its users. 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If not, see <http://www.gnu.org/licenses/>. - -Also add information on how to contact you by electronic and paper mail. - - If the program does terminal interaction, make it output a short -notice like this when it starts in an interactive mode: - - <program> Copyright (C) <year> <name of author> - This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. 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\ No newline at end of file diff --git a/lib/readline/ansi_stdlib.h b/lib/readline/ansi_stdlib.h index 7dc2ee0c..0bfba502 100644..120000 --- a/lib/readline/ansi_stdlib.h +++ b/lib/readline/ansi_stdlib.h @@ -1,54 +1 @@ -/* ansi_stdlib.h -- An ANSI Standard stdlib.h. */ -/* A minimal stdlib.h containing extern declarations for those functions - that bash uses. */ - -/* Copyright (C) 1993 Free Software Foundation, Inc. - - This file is part of GNU Bash, the Bourne Again SHell. - - Bash 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. - - Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>. -*/ - -#if !defined (_STDLIB_H_) -#define _STDLIB_H_ 1 - -/* String conversion functions. */ -extern int atoi (); - -extern double atof (); -extern double strtod (); - -/* Memory allocation functions. */ -/* Generic pointer type. */ -#ifndef PTR_T - -#if defined (__STDC__) -# define PTR_T void * -#else -# define PTR_T char * -#endif - -#endif /* PTR_T */ - -extern PTR_T malloc (); -extern PTR_T realloc (); -extern void free (); - -/* Other miscellaneous functions. */ -extern void abort (); -extern void exit (); -extern char *getenv (); -extern void qsort (); - -#endif /* _STDLIB_H */ +../../include/ansi_stdlib.h
\ No newline at end of file diff --git a/lib/readline/doc/fdl.texi b/lib/readline/doc/fdl.texi index 96ce74ea..68e5eb54 100644..120000 --- a/lib/readline/doc/fdl.texi +++ b/lib/readline/doc/fdl.texi @@ -1,451 +1 @@ -@c The GNU Free Documentation License. -@center Version 1.2, November 2002 - -@c This file is intended to be included within another document, -@c hence no sectioning command or @node. - -@display -Copyright @copyright{} 2000,2001,2002 Free Software Foundation, Inc. -51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA - -Everyone is permitted to copy and distribute verbatim copies -of this license document, but changing it is not allowed. -@end display - -@enumerate 0 -@item -PREAMBLE - -The purpose of this License is to make a manual, textbook, or other -functional and useful document @dfn{free} in the sense of freedom: to -assure everyone the effective freedom to copy and redistribute it, -with or without modifying it, either commercially or noncommercially. -Secondarily, this License preserves for the author and publisher a way -to get credit for their work, while not being considered responsible -for modifications made by others. - -This License is a kind of ``copyleft'', which means that derivative -works of the document must themselves be free in the same sense. It -complements the GNU General Public License, which is a copyleft -license designed for free software. - -We have designed this License in order to use it for manuals for free -software, because free software needs free documentation: a free -program should come with manuals providing the same freedoms that the -software does. But this License is not limited to software manuals; -it can be used for any textual work, regardless of subject matter or -whether it is published as a printed book. We recommend this License -principally for works whose purpose is instruction or reference. - -@item -APPLICABILITY AND DEFINITIONS - -This License applies to any manual or other work, in any medium, that -contains a notice placed by the copyright holder saying it can be -distributed under the terms of this License. Such a notice grants a -world-wide, royalty-free license, unlimited in duration, to use that -work under the conditions stated herein. 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You may include a -translation of this License, and all the license notices in the -Document, and any Warranty Disclaimers, provided that you also include -the original English version of this License and the original versions -of those notices and disclaimers. In case of a disagreement between -the translation and the original version of this License or a notice -or disclaimer, the original version will prevail. - -If a section in the Document is Entitled ``Acknowledgements'', -``Dedications'', or ``History'', the requirement (section 4) to Preserve -its Title (section 1) will typically require changing the actual -title. - -@item -TERMINATION - -You may not copy, modify, sublicense, or distribute the Document except -as expressly provided for under this License. Any other attempt to -copy, modify, sublicense or distribute the Document is void, and will -automatically terminate your rights under this License. However, -parties who have received copies, or rights, from you under this -License will not have their licenses terminated so long as such -parties remain in full compliance. - -@item -FUTURE REVISIONS OF THIS LICENSE - -The Free Software Foundation may publish new, revised versions -of the GNU Free Documentation License from time to time. Such new -versions will be similar in spirit to the present version, but may -differ in detail to address new problems or concerns. See -@uref{http://www.gnu.org/copyleft/}. - -Each version of the License is given a distinguishing version number. -If the Document specifies that a particular numbered version of this -License ``or any later version'' applies to it, you have the option of -following the terms and conditions either of that specified version or -of any later version that has been published (not as a draft) by the -Free Software Foundation. If the Document does not specify a version -number of this License, you may choose any version ever published (not -as a draft) by the Free Software Foundation. -@end enumerate - -@page -@heading ADDENDUM: How to use this License for your documents - -To use this License in a document you have written, include a copy of -the License in the document and put the following copyright and -license notices just after the title page: - -@smallexample -@group - Copyright (C) @var{year} @var{your name}. - Permission is granted to copy, distribute and/or modify this document - under the terms of the GNU Free Documentation License, Version 1.2 - or any later version published by the Free Software Foundation; - with no Invariant Sections, no Front-Cover Texts, and no Back-Cover - Texts. A copy of the license is included in the section entitled ``GNU - Free Documentation License''. -@end group -@end smallexample - -If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, -replace the ``with@dots{}Texts.'' line with this: - -@smallexample -@group - with the Invariant Sections being @var{list their titles}, with - the Front-Cover Texts being @var{list}, and with the Back-Cover Texts - being @var{list}. -@end group -@end smallexample - -If you have Invariant Sections without Cover Texts, or some other -combination of the three, merge those two alternatives to suit the -situation. - -If your document contains nontrivial examples of program code, we -recommend releasing these examples in parallel under your choice of -free software license, such as the GNU General Public License, -to permit their use in free software. - -@c Local Variables: -@c ispell-local-pdict: "ispell-dict" -@c End: - +../../../doc/fdl.texi
\ No newline at end of file diff --git a/lib/readline/histexpand.c b/lib/readline/histexpand.c index 4de8c0a1..bf5ac0ed 100644 --- a/lib/readline/histexpand.c +++ b/lib/readline/histexpand.c @@ -1016,7 +1016,7 @@ history_expand (hstring, output) } else if (string[i] == history_expansion_char) { - if (!cc || member (cc, history_no_expand_chars)) + if (cc == 0 || member (cc, history_no_expand_chars)) continue; /* If the calling application has set history_inhibit_expansion_function to a function that checks @@ -1164,7 +1164,8 @@ history_expand (hstring, output) /* If the history_expansion_char is followed by one of the characters in history_no_expand_chars, then it is not a candidate for expansion of any kind. */ - if (member (cc, history_no_expand_chars)) + if (cc == 0 || member (cc, history_no_expand_chars) || + (history_inhibit_expansion_function && (*history_inhibit_expansion_function) (string, i))) { ADD_CHAR (string[i]); break; diff --git a/lib/readline/posixdir.h b/lib/readline/posixdir.h index bd33694d..8b163845 100644..120000 --- a/lib/readline/posixdir.h +++ b/lib/readline/posixdir.h @@ -1,61 +1 @@ -/* posixdir.h -- Posix directory reading includes and defines. */ - -/* Copyright (C) 1987,1991 Free Software Foundation, Inc. - - This file is part of GNU Bash, the Bourne Again SHell. - - Bash 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. - - Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>. -*/ - -/* This file should be included instead of <dirent.h> or <sys/dir.h>. */ - -#if !defined (_POSIXDIR_H_) -#define _POSIXDIR_H_ - -#if defined (HAVE_DIRENT_H) -# include <dirent.h> -# if defined (HAVE_STRUCT_DIRENT_D_NAMLEN) -# define D_NAMLEN(d) ((d)->d_namlen) -# else -# define D_NAMLEN(d) (strlen ((d)->d_name)) -# endif /* !HAVE_STRUCT_DIRENT_D_NAMLEN */ -#else -# if defined (HAVE_SYS_NDIR_H) -# include <sys/ndir.h> -# endif -# if defined (HAVE_SYS_DIR_H) -# include <sys/dir.h> -# endif -# if defined (HAVE_NDIR_H) -# include <ndir.h> -# endif -# if !defined (dirent) -# define dirent direct -# endif /* !dirent */ -# define D_NAMLEN(d) ((d)->d_namlen) -#endif /* !HAVE_DIRENT_H */ - -#if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (HAVE_STRUCT_DIRENT_D_FILENO) -# define d_fileno d_ino -#endif - -#if defined (_POSIX_SOURCE) && (!defined (HAVE_STRUCT_DIRENT_D_INO) || defined (BROKEN_DIRENT_D_INO)) -/* Posix does not require that the d_ino field be present, and some - systems do not provide it. */ -# define REAL_DIR_ENTRY(dp) 1 -#else -# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) -#endif /* _POSIX_SOURCE */ - -#endif /* !_POSIXDIR_H_ */ +../../include/posixdir.h
\ No newline at end of file diff --git a/lib/readline/posixjmp.h b/lib/readline/posixjmp.h index 49bfecf3..b4d3ee74 100644..120000 --- a/lib/readline/posixjmp.h +++ b/lib/readline/posixjmp.h @@ -1,40 +1 @@ -/* posixjmp.h -- wrapper for setjmp.h with changes for POSIX systems. */ - -/* Copyright (C) 1987,1991 Free Software Foundation, Inc. - - This file is part of GNU Bash, the Bourne Again SHell. - - Bash 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. - - Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>. -*/ - -#ifndef _POSIXJMP_H_ -#define _POSIXJMP_H_ - -#include <setjmp.h> - -/* This *must* be included *after* config.h */ - -#if defined (HAVE_POSIX_SIGSETJMP) -# define procenv_t sigjmp_buf -# if !defined (__OPENNT) -# undef setjmp -# define setjmp(x) sigsetjmp((x), 1) -# undef longjmp -# define longjmp(x, n) siglongjmp((x), (n)) -# endif /* !__OPENNT */ -#else -# define procenv_t jmp_buf -#endif - -#endif /* _POSIXJMP_H_ */ +../../include/posixjmp.h
\ No newline at end of file diff --git a/lib/readline/posixstat.h b/lib/readline/posixstat.h index 3eb7f290..c6164b79 100644..120000 --- a/lib/readline/posixstat.h +++ b/lib/readline/posixstat.h @@ -1,142 +1 @@ -/* posixstat.h -- Posix stat(2) definitions for systems that - don't have them. */ - -/* Copyright (C) 1987,1991 Free Software Foundation, Inc. - - This file is part of GNU Bash, the Bourne Again SHell. - - Bash 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. - - Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>. -*/ - -/* This file should be included instead of <sys/stat.h>. - It relies on the local sys/stat.h to work though. */ -#if !defined (_POSIXSTAT_H_) -#define _POSIXSTAT_H_ - -#include <sys/stat.h> - -#if defined (STAT_MACROS_BROKEN) -# undef S_ISBLK -# undef S_ISCHR -# undef S_ISDIR -# undef S_ISFIFO -# undef S_ISREG -# undef S_ISLNK -#endif /* STAT_MACROS_BROKEN */ - -/* These are guaranteed to work only on isc386 */ -#if !defined (S_IFDIR) && !defined (S_ISDIR) -# define S_IFDIR 0040000 -#endif /* !S_IFDIR && !S_ISDIR */ -#if !defined (S_IFMT) -# define S_IFMT 0170000 -#endif /* !S_IFMT */ - -/* Posix 1003.1 5.6.1.1 <sys/stat.h> file types */ - -/* Some Posix-wannabe systems define _S_IF* macros instead of S_IF*, but - do not provide the S_IS* macros that Posix requires. */ - -#if defined (_S_IFMT) && !defined (S_IFMT) -#define S_IFMT _S_IFMT -#endif -#if defined (_S_IFIFO) && !defined (S_IFIFO) -#define S_IFIFO _S_IFIFO -#endif -#if defined (_S_IFCHR) && !defined (S_IFCHR) -#define S_IFCHR _S_IFCHR -#endif -#if defined (_S_IFDIR) && !defined (S_IFDIR) -#define S_IFDIR _S_IFDIR -#endif -#if defined (_S_IFBLK) && !defined (S_IFBLK) -#define S_IFBLK _S_IFBLK -#endif -#if defined (_S_IFREG) && !defined (S_IFREG) -#define S_IFREG _S_IFREG -#endif -#if defined (_S_IFLNK) && !defined (S_IFLNK) -#define S_IFLNK _S_IFLNK -#endif -#if defined (_S_IFSOCK) && !defined (S_IFSOCK) -#define S_IFSOCK _S_IFSOCK -#endif - -/* Test for each symbol individually and define the ones necessary (some - systems claiming Posix compatibility define some but not all). */ - -#if defined (S_IFBLK) && !defined (S_ISBLK) -#define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK) /* block device */ -#endif - -#if defined (S_IFCHR) && !defined (S_ISCHR) -#define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR) /* character device */ -#endif - -#if defined (S_IFDIR) && !defined (S_ISDIR) -#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR) /* directory */ -#endif - -#if defined (S_IFREG) && !defined (S_ISREG) -#define S_ISREG(m) (((m)&S_IFMT) == S_IFREG) /* file */ -#endif - -#if defined (S_IFIFO) && !defined (S_ISFIFO) -#define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO) /* fifo - named pipe */ -#endif - -#if defined (S_IFLNK) && !defined (S_ISLNK) -#define S_ISLNK(m) (((m)&S_IFMT) == S_IFLNK) /* symbolic link */ -#endif - -#if defined (S_IFSOCK) && !defined (S_ISSOCK) -#define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK) /* socket */ -#endif - -/* - * POSIX 1003.1 5.6.1.2 <sys/stat.h> File Modes - */ - -#if !defined (S_IRWXU) -# if !defined (S_IREAD) -# define S_IREAD 00400 -# define S_IWRITE 00200 -# define S_IEXEC 00100 -# endif /* S_IREAD */ - -# if !defined (S_IRUSR) -# define S_IRUSR S_IREAD /* read, owner */ -# define S_IWUSR S_IWRITE /* write, owner */ -# define S_IXUSR S_IEXEC /* execute, owner */ - -# define S_IRGRP (S_IREAD >> 3) /* read, group */ -# define S_IWGRP (S_IWRITE >> 3) /* write, group */ -# define S_IXGRP (S_IEXEC >> 3) /* execute, group */ - -# define S_IROTH (S_IREAD >> 6) /* read, other */ -# define S_IWOTH (S_IWRITE >> 6) /* write, other */ -# define S_IXOTH (S_IEXEC >> 6) /* execute, other */ -# endif /* !S_IRUSR */ - -# define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) -# define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) -# define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) -#endif /* !S_IRWXU */ - -/* These are non-standard, but are used in builtins.c$symbolic_umask() */ -#define S_IRUGO (S_IRUSR | S_IRGRP | S_IROTH) -#define S_IWUGO (S_IWUSR | S_IWGRP | S_IWOTH) -#define S_IXUGO (S_IXUSR | S_IXGRP | S_IXOTH) - -#endif /* _POSIXSTAT_H_ */ +../../include/posixstat.h
\ No newline at end of file diff --git a/lib/readline/tilde.c b/lib/readline/tilde.c index 088ff154..439ceede 100644..120000 --- a/lib/readline/tilde.c +++ b/lib/readline/tilde.c @@ -1,502 +1 @@ -/* tilde.c -- Tilde expansion code (~/foo := $HOME/foo). */ - -/* Copyright (C) 1988-2009 Free Software Foundation, Inc. - - This file is part of the GNU Readline Library (Readline), a library - for reading lines of text with interactive input and history editing. - - Readline 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. - - Readline 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 Readline. If not, see <http://www.gnu.org/licenses/>. -*/ - -#if defined (HAVE_CONFIG_H) -# include <config.h> -#endif - -#if defined (HAVE_UNISTD_H) -# ifdef _MINIX -# include <sys/types.h> -# endif -# include <unistd.h> -#endif - -#if defined (HAVE_STRING_H) -# include <string.h> -#else /* !HAVE_STRING_H */ -# include <strings.h> -#endif /* !HAVE_STRING_H */ - -#if defined (HAVE_STDLIB_H) -# include <stdlib.h> -#else -# include "ansi_stdlib.h" -#endif /* HAVE_STDLIB_H */ - -#include <sys/types.h> -#if defined (HAVE_PWD_H) -#include <pwd.h> -#endif - -#include "tilde.h" - -#if defined (TEST) || defined (STATIC_MALLOC) -static void *xmalloc (), *xrealloc (); -#else -# include "xmalloc.h" -#endif /* TEST || STATIC_MALLOC */ - -#if !defined (HAVE_GETPW_DECLS) -# if defined (HAVE_GETPWUID) -extern struct passwd *getpwuid PARAMS((uid_t)); -# endif -# if defined (HAVE_GETPWNAM) -extern struct passwd *getpwnam PARAMS((const char *)); -# endif -#endif /* !HAVE_GETPW_DECLS */ - -#if !defined (savestring) -#define savestring(x) strcpy ((char *)xmalloc (1 + strlen (x)), (x)) -#endif /* !savestring */ - -#if !defined (NULL) -# if defined (__STDC__) -# define NULL ((void *) 0) -# else -# define NULL 0x0 -# endif /* !__STDC__ */ -#endif /* !NULL */ - -/* If being compiled as part of bash, these will be satisfied from - variables.o. If being compiled as part of readline, they will - be satisfied from shell.o. */ -extern char *sh_get_home_dir PARAMS((void)); -extern char *sh_get_env_value PARAMS((const char *)); - -/* The default value of tilde_additional_prefixes. This is set to - whitespace preceding a tilde so that simple programs which do not - perform any word separation get desired behaviour. */ -static const char *default_prefixes[] = - { " ~", "\t~", (const char *)NULL }; - -/* The default value of tilde_additional_suffixes. This is set to - whitespace or newline so that simple programs which do not - perform any word separation get desired behaviour. */ -static const char *default_suffixes[] = - { " ", "\n", (const char *)NULL }; - -/* If non-null, this contains the address of a function that the application - wants called before trying the standard tilde expansions. The function - is called with the text sans tilde, and returns a malloc()'ed string - which is the expansion, or a NULL pointer if the expansion fails. */ -tilde_hook_func_t *tilde_expansion_preexpansion_hook = (tilde_hook_func_t *)NULL; - -/* If non-null, this contains the address of a function to call if the - standard meaning for expanding a tilde fails. The function is called - with the text (sans tilde, as in "foo"), and returns a malloc()'ed string - which is the expansion, or a NULL pointer if there is no expansion. */ -tilde_hook_func_t *tilde_expansion_failure_hook = (tilde_hook_func_t *)NULL; - -/* When non-null, this is a NULL terminated array of strings which - are duplicates for a tilde prefix. Bash uses this to expand - `=~' and `:~'. */ -char **tilde_additional_prefixes = (char **)default_prefixes; - -/* When non-null, this is a NULL terminated array of strings which match - the end of a username, instead of just "/". Bash sets this to - `:' and `=~'. */ -char **tilde_additional_suffixes = (char **)default_suffixes; - -static int tilde_find_prefix PARAMS((const char *, int *)); -static int tilde_find_suffix PARAMS((const char *)); -static char *isolate_tilde_prefix PARAMS((const char *, int *)); -static char *glue_prefix_and_suffix PARAMS((char *, const char *, int)); - -/* Find the start of a tilde expansion in STRING, and return the index of - the tilde which starts the expansion. Place the length of the text - which identified this tilde starter in LEN, excluding the tilde itself. */ -static int -tilde_find_prefix (string, len) - const char *string; - int *len; -{ - register int i, j, string_len; - register char **prefixes; - - prefixes = tilde_additional_prefixes; - - string_len = strlen (string); - *len = 0; - - if (*string == '\0' || *string == '~') - return (0); - - if (prefixes) - { - for (i = 0; i < string_len; i++) - { - for (j = 0; prefixes[j]; j++) - { - if (strncmp (string + i, prefixes[j], strlen (prefixes[j])) == 0) - { - *len = strlen (prefixes[j]) - 1; - return (i + *len); - } - } - } - } - return (string_len); -} - -/* Find the end of a tilde expansion in STRING, and return the index of - the character which ends the tilde definition. */ -static int -tilde_find_suffix (string) - const char *string; -{ - register int i, j, string_len; - register char **suffixes; - - suffixes = tilde_additional_suffixes; - string_len = strlen (string); - - for (i = 0; i < string_len; i++) - { -#if defined (__MSDOS__) - if (string[i] == '/' || string[i] == '\\' /* || !string[i] */) -#else - if (string[i] == '/' /* || !string[i] */) -#endif - break; - - for (j = 0; suffixes && suffixes[j]; j++) - { - if (strncmp (string + i, suffixes[j], strlen (suffixes[j])) == 0) - return (i); - } - } - return (i); -} - -/* Return a new string which is the result of tilde expanding STRING. */ -char * -tilde_expand (string) - const char *string; -{ - char *result; - int result_size, result_index; - - result_index = result_size = 0; - if (result = strchr (string, '~')) - result = (char *)xmalloc (result_size = (strlen (string) + 16)); - else - result = (char *)xmalloc (result_size = (strlen (string) + 1)); - - /* Scan through STRING expanding tildes as we come to them. */ - while (1) - { - register int start, end; - char *tilde_word, *expansion; - int len; - - /* Make START point to the tilde which starts the expansion. */ - start = tilde_find_prefix (string, &len); - - /* Copy the skipped text into the result. */ - if ((result_index + start + 1) > result_size) - result = (char *)xrealloc (result, 1 + (result_size += (start + 20))); - - strncpy (result + result_index, string, start); - result_index += start; - - /* Advance STRING to the starting tilde. */ - string += start; - - /* Make END be the index of one after the last character of the - username. */ - end = tilde_find_suffix (string); - - /* If both START and END are zero, we are all done. */ - if (!start && !end) - break; - - /* Expand the entire tilde word, and copy it into RESULT. */ - tilde_word = (char *)xmalloc (1 + end); - strncpy (tilde_word, string, end); - tilde_word[end] = '\0'; - string += end; - - expansion = tilde_expand_word (tilde_word); - xfree (tilde_word); - - len = strlen (expansion); -#ifdef __CYGWIN__ - /* Fix for Cygwin to prevent ~user/xxx from expanding to //xxx when - $HOME for `user' is /. On cygwin, // denotes a network drive. */ - if (len > 1 || *expansion != '/' || *string != '/') -#endif - { - if ((result_index + len + 1) > result_size) - result = (char *)xrealloc (result, 1 + (result_size += (len + 20))); - - strcpy (result + result_index, expansion); - result_index += len; - } - xfree (expansion); - } - - result[result_index] = '\0'; - - return (result); -} - -/* Take FNAME and return the tilde prefix we want expanded. If LENP is - non-null, the index of the end of the prefix into FNAME is returned in - the location it points to. */ -static char * -isolate_tilde_prefix (fname, lenp) - const char *fname; - int *lenp; -{ - char *ret; - int i; - - ret = (char *)xmalloc (strlen (fname)); -#if defined (__MSDOS__) - for (i = 1; fname[i] && fname[i] != '/' && fname[i] != '\\'; i++) -#else - for (i = 1; fname[i] && fname[i] != '/'; i++) -#endif - ret[i - 1] = fname[i]; - ret[i - 1] = '\0'; - if (lenp) - *lenp = i; - return ret; -} - -#if 0 -/* Public function to scan a string (FNAME) beginning with a tilde and find - the portion of the string that should be passed to the tilde expansion - function. Right now, it just calls tilde_find_suffix and allocates new - memory, but it can be expanded to do different things later. */ -char * -tilde_find_word (fname, flags, lenp) - const char *fname; - int flags, *lenp; -{ - int x; - char *r; - - x = tilde_find_suffix (fname); - if (x == 0) - { - r = savestring (fname); - if (lenp) - *lenp = 0; - } - else - { - r = (char *)xmalloc (1 + x); - strncpy (r, fname, x); - r[x] = '\0'; - if (lenp) - *lenp = x; - } - - return r; -} -#endif - -/* Return a string that is PREFIX concatenated with SUFFIX starting at - SUFFIND. */ -static char * -glue_prefix_and_suffix (prefix, suffix, suffind) - char *prefix; - const char *suffix; - int suffind; -{ - char *ret; - int plen, slen; - - plen = (prefix && *prefix) ? strlen (prefix) : 0; - slen = strlen (suffix + suffind); - ret = (char *)xmalloc (plen + slen + 1); - if (plen) - strcpy (ret, prefix); - strcpy (ret + plen, suffix + suffind); - return ret; -} - -/* Do the work of tilde expansion on FILENAME. FILENAME starts with a - tilde. If there is no expansion, call tilde_expansion_failure_hook. - This always returns a newly-allocated string, never static storage. */ -char * -tilde_expand_word (filename) - const char *filename; -{ - char *dirname, *expansion, *username; - int user_len; - struct passwd *user_entry; - - if (filename == 0) - return ((char *)NULL); - - if (*filename != '~') - return (savestring (filename)); - - /* A leading `~/' or a bare `~' is *always* translated to the value of - $HOME or the home directory of the current user, regardless of any - preexpansion hook. */ - if (filename[1] == '\0' || filename[1] == '/') - { - /* Prefix $HOME to the rest of the string. */ - expansion = sh_get_env_value ("HOME"); - - /* If there is no HOME variable, look up the directory in - the password database. */ - if (expansion == 0) - expansion = sh_get_home_dir (); - - return (glue_prefix_and_suffix (expansion, filename, 1)); - } - - username = isolate_tilde_prefix (filename, &user_len); - - if (tilde_expansion_preexpansion_hook) - { - expansion = (*tilde_expansion_preexpansion_hook) (username); - if (expansion) - { - dirname = glue_prefix_and_suffix (expansion, filename, user_len); - xfree (username); - free (expansion); - return (dirname); - } - } - - /* No preexpansion hook, or the preexpansion hook failed. Look in the - password database. */ - dirname = (char *)NULL; -#if defined (HAVE_GETPWNAM) - user_entry = getpwnam (username); -#else - user_entry = 0; -#endif - if (user_entry == 0) - { - /* If the calling program has a special syntax for expanding tildes, - and we couldn't find a standard expansion, then let them try. */ - if (tilde_expansion_failure_hook) - { - expansion = (*tilde_expansion_failure_hook) (username); - if (expansion) - { - dirname = glue_prefix_and_suffix (expansion, filename, user_len); - free (expansion); - } - } - /* If we don't have a failure hook, or if the failure hook did not - expand the tilde, return a copy of what we were passed. */ - if (dirname == 0) - dirname = savestring (filename); - } -#if defined (HAVE_GETPWENT) - else - dirname = glue_prefix_and_suffix (user_entry->pw_dir, filename, user_len); -#endif - - xfree (username); -#if defined (HAVE_GETPWENT) - endpwent (); -#endif - return (dirname); -} - - -#if defined (TEST) -#undef NULL -#include <stdio.h> - -main (argc, argv) - int argc; - char **argv; -{ - char *result, line[512]; - int done = 0; - - while (!done) - { - printf ("~expand: "); - fflush (stdout); - - if (!gets (line)) - strcpy (line, "done"); - - if ((strcmp (line, "done") == 0) || - (strcmp (line, "quit") == 0) || - (strcmp (line, "exit") == 0)) - { - done = 1; - break; - } - - result = tilde_expand (line); - printf (" --> %s\n", result); - free (result); - } - exit (0); -} - -static void memory_error_and_abort (); - -static void * -xmalloc (bytes) - size_t bytes; -{ - void *temp = (char *)malloc (bytes); - - if (!temp) - memory_error_and_abort (); - return (temp); -} - -static void * -xrealloc (pointer, bytes) - void *pointer; - int bytes; -{ - void *temp; - - if (!pointer) - temp = malloc (bytes); - else - temp = realloc (pointer, bytes); - - if (!temp) - memory_error_and_abort (); - - return (temp); -} - -static void -memory_error_and_abort () -{ - fprintf (stderr, "readline: out of virtual memory\n"); - abort (); -} - -/* - * Local variables: - * compile-command: "gcc -g -DTEST -o tilde tilde.c" - * end: - */ -#endif /* TEST */ +../tilde/tilde.c
\ No newline at end of file diff --git a/lib/readline/tilde.h b/lib/readline/tilde.h index e26dd047..6fea2aea 100644..120000 --- a/lib/readline/tilde.h +++ b/lib/readline/tilde.h @@ -1,80 +1 @@ -/* tilde.h: Externally available variables and function in libtilde.a. */ - -/* Copyright (C) 1992-2009 Free Software Foundation, Inc. - - This file contains the Readline Library (Readline), a set of - routines for providing Emacs style line input to programs that ask - for it. - - Readline 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. - - Readline 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 Readline. If not, see <http://www.gnu.org/licenses/>. -*/ - -#if !defined (_TILDE_H_) -# define _TILDE_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/* A function can be defined using prototypes and compile on both ANSI C - and traditional C compilers with something like this: - extern char *func PARAMS((char *, char *, int)); */ - -#if !defined (PARAMS) -# if defined (__STDC__) || defined (__GNUC__) || defined (__cplusplus) -# define PARAMS(protos) protos -# else -# define PARAMS(protos) () -# endif -#endif - -typedef char *tilde_hook_func_t PARAMS((char *)); - -/* If non-null, this contains the address of a function that the application - wants called before trying the standard tilde expansions. The function - is called with the text sans tilde, and returns a malloc()'ed string - which is the expansion, or a NULL pointer if the expansion fails. */ -extern tilde_hook_func_t *tilde_expansion_preexpansion_hook; - -/* If non-null, this contains the address of a function to call if the - standard meaning for expanding a tilde fails. The function is called - with the text (sans tilde, as in "foo"), and returns a malloc()'ed string - which is the expansion, or a NULL pointer if there is no expansion. */ -extern tilde_hook_func_t *tilde_expansion_failure_hook; - -/* When non-null, this is a NULL terminated array of strings which - are duplicates for a tilde prefix. Bash uses this to expand - `=~' and `:~'. */ -extern char **tilde_additional_prefixes; - -/* When non-null, this is a NULL terminated array of strings which match - the end of a username, instead of just "/". Bash sets this to - `:' and `=~'. */ -extern char **tilde_additional_suffixes; - -/* Return a new string which is the result of tilde expanding STRING. */ -extern char *tilde_expand PARAMS((const char *)); - -/* Do the work of tilde expansion on FILENAME. FILENAME starts with a - tilde. If there is no expansion, call tilde_expansion_failure_hook. */ -extern char *tilde_expand_word PARAMS((const char *)); - -/* Find the portion of the string beginning with ~ that should be expanded. */ -extern char *tilde_find_word PARAMS((const char *, int, int *)); - -#ifdef __cplusplus -} -#endif - -#endif /* _TILDE_H_ */ +../tilde/tilde.h
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