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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [readline/] [examples/] [histexamp.c] - Rev 855
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/* Copyright (C) 1987-2002 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. */ #include <stdio.h> #ifdef READLINE_LIBRARY # include "history.h" #else # include <readline/history.h> #endif #include <string.h> main (argc, argv) int argc; char **argv; { char line[1024], *t; int len, done; line[0] = 0; done = 0; using_history (); while (!done) { printf ("history$ "); fflush (stdout); t = fgets (line, sizeof (line) - 1, stdin); if (t && *t) { len = strlen (t); if (t[len - 1] == '\n') t[len - 1] = '\0'; } if (!t) strcpy (line, "quit"); if (line[0]) { char *expansion; int result; using_history (); result = history_expand (line, &expansion); if (result) fprintf (stderr, "%s\n", expansion); if (result < 0 || result == 2) { free (expansion); continue; } add_history (expansion); strncpy (line, expansion, sizeof (line) - 1); free (expansion); } if (strcmp (line, "quit") == 0) done = 1; else if (strcmp (line, "save") == 0) write_history ("history_file"); else if (strcmp (line, "read") == 0) read_history ("history_file"); else if (strcmp (line, "list") == 0) { register HIST_ENTRY **the_list; register int i; time_t tt; char timestr[128]; the_list = history_list (); if (the_list) for (i = 0; the_list[i]; i++) { tt = history_get_time (the_list[i]); if (tt) strftime (timestr, sizeof (timestr), "%a %R", localtime(&tt)); else strcpy (timestr, "??"); printf ("%d: %s: %s\n", i + history_base, timestr, the_list[i]->line); } } else if (strncmp (line, "delete", 6) == 0) { int which; if ((sscanf (line + 6, "%d", &which)) == 1) { HIST_ENTRY *entry = remove_history (which); if (!entry) fprintf (stderr, "No such entry %d\n", which); else { free (entry->line); free (entry); } } else { fprintf (stderr, "non-numeric arg given to `delete'\n"); } } } }
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