fluencelabs/redis
1
0
Fork 0
mirror of https://github.com/fluencelabs/redis synced 2025-06-22 21:41:32 +00:00
Code Issues Projects Releases Wiki Activity

redis-cli history saved across sessions

Browse Source
This commit is contained in:
antirez
2010-07-07 18:44:53 +02:00
parent 185cabda45
commit 99628c1af8
3 changed files with 54 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
src/linenoise.c
View File

@ -69,7 +69,6 @@
*
*/
#include "fmacros.h"
#include <termios.h>
#include <unistd.h>
#include <stdlib.h>
@ -81,13 +80,14 @@
#include <sys/ioctl.h>
#include <unistd.h>
#define LINENOISE_DEFAULT_HISTORY_MAX_LEN 100
#define LINENOISE_MAX_LINE 4096
static char *unsupported_term[] = {"dumb","cons25",NULL};
static struct termios orig_termios; /* in order to restore at exit */
static int rawmode = 0; /* for atexit() function to check if restore is needed*/
static int atexit_registered = 0; /* register atexit just 1 time */
static int history_max_len = 100;
static int history_max_len = LINENOISE_DEFAULT_HISTORY_MAX_LEN;
static int history_len = 0;
char **history = NULL;
@ -219,11 +219,10 @@ static int linenoisePrompt(int fd, char *buf, size_t buflen, const char *prompt)
if (nread <= 0) return len;
switch(c) {
case 13: /* enter */
history_len--;
return len;
case 4: /* ctrl-d */
history_len--;
return (len == 0) ? -1 : (int)len;
free(history[history_len]);
return (len == 0 && c == 4) ? -1 : (int)len;
case 3: /* ctrl-c */
errno = EAGAIN;
return -1;
@ -396,7 +395,7 @@ int linenoiseHistoryAdd(const char *line) {
char *linecopy;
if (history_max_len == 0) return 0;
if (history == 0) {
if (history == NULL) {
history = malloc(sizeof(char*)*history_max_len);
if (history == NULL) return 0;
memset(history,0,(sizeof(char*)*history_max_len));
@ -404,6 +403,7 @@ int linenoiseHistoryAdd(const char *line) {
linecopy = strdup(line);
if (!linecopy) return 0;
if (history_len == history_max_len) {
free(history[0]);
memmove(history,history+1,sizeof(char*)*(history_max_len-1));
history_len--;
}
@ -431,3 +431,39 @@ int linenoiseHistorySetMaxLen(int len) {
history_len = history_max_len;
return 1;
}
/* Save the history in the specified file. On success 0 is returned
* otherwise -1 is returned. */
int linenoiseHistorySave(char *filename) {
FILE *fp = fopen(filename,"w");
int j;
if (fp == NULL) return -1;
for (j = 0; j < history_len; j++)
fprintf(fp,"%s\n",history[j]);
fclose(fp);
return 0;
}
/* Load the history from the specified file. If the file does not exist
* zero is returned and no operation is performed.
*
* If the file exists and the operation succeeded 0 is returned, otherwise
* on error -1 is returned. */
int linenoiseHistoryLoad(char *filename) {
FILE *fp = fopen(filename,"r");
char buf[LINENOISE_MAX_LINE];
if (fp == NULL) return -1;
while (fgets(buf,LINENOISE_MAX_LINE,fp) != NULL) {
char *p;
p = strchr(buf,'\r');
if (!p) p = strchr(buf,'\n');
if (p) *p = '\0';
linenoiseHistoryAdd(buf);
}
fclose(fp);
return 0;
}