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cmd_quit.c
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cmd_quit.c
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/*
* Copyright (c) 2011-2024 LEVAI Daniel
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "common.h"
#include "commands.h"
extern db_parameters db_params;
extern char batchmode;
#ifndef _READLINE
extern EditLine *e;
extern History *eh;
#endif
void
cmd_quit(const char *e_line, command *commands)
{
#ifndef _READLINE
int e_count = 0;
#endif
/* this is unused in this function */
commands = NULL;
if (db_params.dirty && !batchmode) {
printf("Do you want to save the changes? <yes/no> ");
#ifndef _READLINE
/* disable history */
if (el_set(e, EL_HIST, history, NULL) != 0) {
perror("ERROR: el_set(EL_HIST)");
}
/* clear the prompt */
if (el_set(e, EL_PROMPT, el_prompt_null) != 0) {
perror("ERROR: el_set(EL_PROMPT)");
}
e_line = el_gets(e, &e_count);
/* re-enable the default prompt */
if (el_set(e, EL_PROMPT, prompt_str) != 0) {
perror("ERROR: el_set(EL_PROMPT)");
}
/* re-enable history */
if (el_set(e, EL_HIST, history, eh) != 0) {
perror("ERROR: el_set(EL_HIST)");
}
#else
rl_redisplay();
e_line = readline("");
#endif
if (!e_line) {
#ifndef _READLINE
el_reset(e);
#endif
return;
}
if (strncasecmp(e_line, "yes", 3) == 0) {
cmd_write(NULL, NULL);
if (db_params.dirty) {
dprintf(STDERR_FILENO, "ERROR: Database write was not successful; can not save and exit!\n");
#ifdef _READLINE
free((char *)e_line); e_line = NULL;
#endif
return;
}
} else if (strncasecmp(e_line, "no", 2) == 0) {
puts("Changes were NOT saved.");
} else {
puts("Invalid answer, not exiting.");
#ifdef _READLINE
free((char *)e_line); e_line = NULL;
#endif
return;
}
}
quit(EXIT_SUCCESS);
} /* cmd_quit() */