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fix off-by-one calculation mistake making PS1 ending in newline double it

This commit is contained in:
tg 2009-03-15 18:30:40 +00:00
parent 7c040d98f9
commit 22f1fb6cd6
2 changed files with 8 additions and 9 deletions
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4
edit.c
View File

@ -5,7 +5,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.153 2009/03/15 16:13:38 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.154 2009/03/15 18:30:39 tg Exp $");
/* tty driver characters we are interested in */
typedef struct {
@ -1380,7 +1380,7 @@ x_init_prompt(void)
x_col = promptlen(prompt);
x_adj_ok = 1;
prompt_redraw = 1;
if (x_col > xx_cols)
if (x_col >= xx_cols)
x_col %= xx_cols;
x_displen = xx_cols - 2 - x_col;
x_adj_done = 0;

13
lex.c
View File

@ -2,7 +2,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.79 2008/12/13 17:02:15 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.80 2009/03/15 18:30:40 tg Exp $");
/*
* states while lexing word
@ -95,7 +95,7 @@ static void gethere(bool);
static Lex_state *push_state_(State_info *, Lex_state *);
static Lex_state *pop_state_(State_info *, Lex_state *);
static int dopprompt(const char *, int, int);
static int dopprompt(const char *, int, bool);
static int backslash_skip;
static int ignore_backslash_newline;
@ -1304,7 +1304,7 @@ set_prompt(int to, Source *s)
}
static int
dopprompt(const char *cp, int ntruncate, int doprint)
dopprompt(const char *cp, int ntruncate, bool doprint)
{
int columns = 0, lines = 0, indelimit = 0;
char delimiter = 0;
@ -1348,21 +1348,20 @@ dopprompt(const char *cp, int ntruncate, int doprint)
}
if (doprint)
shf_flush(shl_out);
indelimit = (x_cols * lines + columns);
return indelimit;
return (x_cols * lines + columns);
}
void
pprompt(const char *cp, int ntruncate)
{
dopprompt(cp, ntruncate, 1);
dopprompt(cp, ntruncate, true);
}
int
promptlen(const char *cp)
{
return (dopprompt(cp, 0, 0));
return (dopprompt(cp, 0, false));
}
/* Read the variable part of a ${...} expression (ie, up to but not including