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edit: Implement history file read/write

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This commit is contained in:
Jouni Malinen 2010-11-21 12:01:50 +02:00
parent 19ec1f262e
commit 70de7d56fe
1 changed files with 47 additions and 0 deletions
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47
src/utils/edit.c
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@ -250,6 +250,49 @@ static void history_next(void)
}
static void history_read(const char *fname)
{
FILE *f;
char buf[CMD_BUF_LEN], *pos;
f = fopen(fname, "r");
if (f == NULL)
return;
while (fgets(buf, CMD_BUF_LEN, f)) {
for (pos = buf; *pos; pos++) {
if (*pos == '\r' || *pos == '\n') {
*pos = '\0';
break;
}
}
history_add(buf);
}
fclose(f);
}
static void history_write(const char *fname,
int (*filter_cb)(void *ctx, const char *cmd))
{
FILE *f;
struct edit_history *h;
f = fopen(fname, "w");
if (f == NULL)
return;
dl_list_for_each_reverse(h, &history_list, struct edit_history, list) {
if (filter_cb && filter_cb(edit_cb_ctx, h->str))
continue;
fprintf(f, "%s\n", h->str);
}
fclose(f);
}
static void history_debug_dump(void)
{
struct edit_history *h;
@ -1053,6 +1096,8 @@ int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
{
dl_list_init(&history_list);
history_curr = NULL;
if (history_file)
history_read(history_file);
edit_cb_ctx = ctx;
edit_cmd_cb = cmd_cb;
@ -1077,6 +1122,8 @@ void edit_deinit(const char *history_file,
int (*filter_cb)(void *ctx, const char *cmd))
{
struct edit_history *h;
if (history_file)
history_write(history_file, filter_cb);
while ((h = dl_list_first(&history_list, struct edit_history, list))) {
dl_list_del(&h->list);
os_free(h);