diff options
Diffstat (limited to 'readline/histfile.c')
| -rw-r--r-- | readline/histfile.c | 51 |
1 files changed, 29 insertions, 22 deletions
diff --git a/readline/histfile.c b/readline/histfile.c index d1e54cc4c62..30a618247f1 100644 --- a/readline/histfile.c +++ b/readline/histfile.c @@ -1,24 +1,23 @@ /* histfile.c - functions to manipulate the history file. */ -/* Copyright (C) 1989-2003 Free Software Foundation, Inc. +/* Copyright (C) 1989-2010 Free Software Foundation, Inc. - This file contains the GNU History Library (the Library), a set of + This file contains the GNU History Library (History), a set of routines for managing the text of previously typed lines. - The Library is free software; you can redistribute it and/or modify + History 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 Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - The 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. + History 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. */ + You should have received a copy of the GNU General Public License + along with History. If not, see <http://www.gnu.org/licenses/>. +*/ /* The goal is to make the implementation transparent, so that you don't have to know what data types are used, just what functions @@ -53,7 +52,9 @@ # include <unistd.h> #endif -#if defined (__EMX__) || defined (__CYGWIN__) +#include <ctype.h> + +#if defined (__EMX__) # undef HAVE_MMAP #endif @@ -103,7 +104,7 @@ int history_write_timestamps = 0; /* Does S look like the beginning of a history timestamp entry? Placeholder for more extensive tests. */ -#define HIST_TIMESTAMP_START(s) (*(s) == history_comment_char) +#define HIST_TIMESTAMP_START(s) (*(s) == history_comment_char && isdigit ((s)[1]) ) /* Return the string that should be used in the place of this filename. This only matters when you don't specify the @@ -125,8 +126,12 @@ history_filename (filename) if (home == 0) { +#if 0 home = "."; home_len = 1; +#else + return (NULL); +#endif } else home_len = strlen (home); @@ -178,7 +183,7 @@ read_history_range (filename, from, to) buffer = last_ts = (char *)NULL; input = history_filename (filename); - file = open (input, O_RDONLY|O_BINARY, 0666); + file = input ? open (input, O_RDONLY|O_BINARY, 0666) : -1; if ((file < 0) || (fstat (file, &finfo) == -1)) goto error_and_exit; @@ -256,8 +261,9 @@ read_history_range (filename, from, to) for (line_end = line_start; line_end < bufend; line_end++) if (*line_end == '\n') { - if (line_end - 1 >= line_start && *(line_end - 1) == '\r') - *(line_end - 1) = '\0'; + /* Change to allow Windows-like \r\n end of line delimiter. */ + if (line_end > line_start && line_end[-1] == '\r') + line_end[-1] = '\0'; else *line_end = '\0'; @@ -312,7 +318,7 @@ history_truncate_file (fname, lines) buffer = (char *)NULL; filename = history_filename (fname); - file = open (filename, O_RDONLY|O_BINARY, 0666); + file = filename ? open (filename, O_RDONLY|O_BINARY, 0666) : -1; rv = 0; /* Don't try to truncate non-regular files. */ @@ -411,7 +417,7 @@ history_truncate_file (fname, lines) FREE (buffer); - free (filename); + xfree (filename); return rv; } @@ -434,9 +440,10 @@ history_do_write (filename, nelements, overwrite) mode = overwrite ? O_WRONLY|O_CREAT|O_TRUNC|O_BINARY : O_WRONLY|O_APPEND|O_BINARY; #endif output = history_filename (filename); + file = output ? open (output, mode, 0600) : -1; rv = 0; - if ((file = open (output, mode, 0600)) == -1) + if (file == -1) { FREE (output); return (errno); @@ -513,7 +520,7 @@ mmap_error: #else if (write (file, buffer, buffer_size) < 0) rv = errno; - free (buffer); + xfree (buffer); #endif } |