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Restore add_history(), for compat and simplify code.

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This commit is contained in:
Joachim Nilsson 2010-08-03 21:01:01 +02:00
parent dde4471eda
commit 55aaddbc54
2 changed files with 20 additions and 23 deletions
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2
include/editline.h
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@ -52,6 +52,6 @@ extern void rl_reset_terminal(char *p);
extern void rl_initialize(void);
extern char *readline(const char *prompt);
extern void add_history(char *line); /* OBSOLETE: Made part of readline(). -- kjb */
extern void add_history(const char *line);
#endif /* __EDITLINE_H__ */

39
src/editline.c
View File

@ -1000,19 +1000,27 @@ static char *editinput(void)
return NULL;
}
static void hist_add(char *p)
static void hist_add(const char *p)
{
int i;
char *s;
if ((p = (char *)strdup((char *)p)) == NULL)
#ifdef CONFIG_UNIQUE_HISTORY
if (H.Pos && strcmp(p, H.Lines[H.Pos - 1]) == 0)
return;
#endif
if (H.Size && strcmp(p, H.Lines[H.Size - 1]) == 0)
return;
if ((s = strdup(p)) == NULL)
return;
if (H.Size < HIST_SIZE) {
H.Lines[H.Size++] = p;
H.Lines[H.Size++] = s;
} else {
free(H.Lines[0]);
for (i = 0; i < HIST_SIZE - 1; i++)
H.Lines[i] = H.Lines[i + 1];
H.Lines[i] = p;
H.Lines[i] = s;
}
H.Pos = H.Size - 1;
}
@ -1115,14 +1123,9 @@ char *readline(const char *prompt)
free(Screen);
free(H.Lines[--H.Size]);
if (line != NULL && *line != '\0'
#ifdef CONFIG_UNIQUE_HISTORY
&& !(H.Pos && strcmp(line, H.Lines[H.Pos - 1]) == 0)
#endif
&& !(H.Size && strcmp(line, H.Lines[H.Size - 1]) == 0)
) {
/* Always add history, if it's a sane line. */
if (line != NULL && *line != '\0')
hist_add(line);
}
if (el_intr_pending > 0) {
int s = el_intr_pending;
@ -1133,20 +1136,14 @@ char *readline(const char *prompt)
return line;
}
void add_history(char *p __attribute__ ((unused)))
/* Even though readline() itself adds history automatically, the user can also add
* lines. This is for compat with GNU Readline. */
void add_history(const char *p)
{
#ifdef obsolete /* Made part of readline(). -- kjb */
if (p == NULL || *p == '\0')
return;
#ifdef CONFIG_UNIQUE_HISTORY
if (H.Pos && strcmp(p, (char *) H.Lines[H.Pos - 1]) == 0)
return;
#endif
if (H.Size && strcmp(p, (char *) H.Lines[H.Size - 1]) == 0)
return;
hist_add((char *)p);
#endif
hist_add(p);
}