mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
ash: remove last "signed char"; make SIT() clearer. -12 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
0337e038a9
commit
76bc2d6deb
135
shell/ash.c
135
shell/ash.c
@ -2621,50 +2621,54 @@ pwdcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
|
||||
#endif
|
||||
|
||||
#if ENABLE_SH_MATH_SUPPORT
|
||||
static const uint8_t S_I_T[][4] = {
|
||||
# if ENABLE_ASH_ALIAS
|
||||
{ CSPCL, CIGN, CIGN, CIGN }, /* 0, PEOA */
|
||||
# endif
|
||||
{ CSPCL, CWORD, CWORD, CWORD }, /* 1, ' ' */
|
||||
{ CNL, CNL, CNL, CNL }, /* 2, \n */
|
||||
{ CWORD, CCTL, CCTL, CWORD }, /* 3, !*-/:=?[]~ */
|
||||
{ CDQUOTE, CENDQUOTE, CWORD, CWORD }, /* 4, '"' */
|
||||
{ CVAR, CVAR, CWORD, CVAR }, /* 5, $ */
|
||||
{ CSQUOTE, CWORD, CENDQUOTE, CWORD }, /* 6, "'" */
|
||||
{ CSPCL, CWORD, CWORD, CLP }, /* 7, ( */
|
||||
{ CSPCL, CWORD, CWORD, CRP }, /* 8, ) */
|
||||
{ CBACK, CBACK, CCTL, CBACK }, /* 9, \ */
|
||||
{ CBQUOTE, CBQUOTE, CWORD, CBQUOTE }, /* 10, ` */
|
||||
{ CENDVAR, CENDVAR, CWORD, CENDVAR }, /* 11, } */
|
||||
# ifndef USE_SIT_FUNCTION
|
||||
{ CENDFILE, CENDFILE, CENDFILE, CENDFILE }, /* 12, PEOF */
|
||||
{ CWORD, CWORD, CWORD, CWORD }, /* 13, 0-9A-Za-z */
|
||||
{ CCTL, CCTL, CCTL, CCTL } /* 14, CTLESC ... */
|
||||
# endif
|
||||
};
|
||||
# define SIT_ITEM(a,b,c,d) (a | (b << 4) | (c << 8) | (d << 12))
|
||||
static const uint16_t S_I_T[] =
|
||||
#else
|
||||
static const uint8_t S_I_T[][3] = {
|
||||
# if ENABLE_ASH_ALIAS
|
||||
{ CSPCL, CIGN, CIGN }, /* 0, PEOA */
|
||||
# endif
|
||||
{ CSPCL, CWORD, CWORD }, /* 1, ' ' */
|
||||
{ CNL, CNL, CNL }, /* 2, \n */
|
||||
{ CWORD, CCTL, CCTL }, /* 3, !*-/:=?[]~ */
|
||||
{ CDQUOTE, CENDQUOTE, CWORD }, /* 4, '"' */
|
||||
{ CVAR, CVAR, CWORD }, /* 5, $ */
|
||||
{ CSQUOTE, CWORD, CENDQUOTE }, /* 6, "'" */
|
||||
{ CSPCL, CWORD, CWORD }, /* 7, ( */
|
||||
{ CSPCL, CWORD, CWORD }, /* 8, ) */
|
||||
{ CBACK, CBACK, CCTL }, /* 9, \ */
|
||||
{ CBQUOTE, CBQUOTE, CWORD }, /* 10, ` */
|
||||
{ CENDVAR, CENDVAR, CWORD }, /* 11, } */
|
||||
# ifndef USE_SIT_FUNCTION
|
||||
{ CENDFILE, CENDFILE, CENDFILE }, /* 12, PEOF */
|
||||
{ CWORD, CWORD, CWORD }, /* 13, 0-9A-Za-z */
|
||||
{ CCTL, CCTL, CCTL } /* 14, CTLESC ... */
|
||||
# endif
|
||||
# define SIT_ITEM(a,b,c,d) (a | (b << 4) | (c << 8))
|
||||
static const uint16_t S_I_T[] =
|
||||
#endif
|
||||
{
|
||||
#if ENABLE_ASH_ALIAS
|
||||
SIT_ITEM(CSPCL , CIGN , CIGN , CIGN ), /* 0, PEOA */
|
||||
#endif
|
||||
SIT_ITEM(CSPCL , CWORD , CWORD, CWORD ), /* 1, ' ' */
|
||||
SIT_ITEM(CNL , CNL , CNL , CNL ), /* 2, \n */
|
||||
SIT_ITEM(CWORD , CCTL , CCTL , CWORD ), /* 3, !*-/:=?[]~ */
|
||||
SIT_ITEM(CDQUOTE , CENDQUOTE, CWORD, CWORD ), /* 4, '"' */
|
||||
SIT_ITEM(CVAR , CVAR , CWORD, CVAR ), /* 5, $ */
|
||||
SIT_ITEM(CSQUOTE , CWORD , CENDQUOTE, CWORD), /* 6, "'" */
|
||||
SIT_ITEM(CSPCL , CWORD , CWORD, CLP ), /* 7, ( */
|
||||
SIT_ITEM(CSPCL , CWORD , CWORD, CRP ), /* 8, ) */
|
||||
SIT_ITEM(CBACK , CBACK , CCTL , CBACK ), /* 9, \ */
|
||||
SIT_ITEM(CBQUOTE , CBQUOTE , CWORD, CBQUOTE), /* 10, ` */
|
||||
SIT_ITEM(CENDVAR , CENDVAR , CWORD, CENDVAR), /* 11, } */
|
||||
#ifndef USE_SIT_FUNCTION
|
||||
SIT_ITEM(CENDFILE, CENDFILE , CENDFILE, CENDFILE),/* 12, PEOF */
|
||||
SIT_ITEM(CWORD , CWORD , CWORD, CWORD ), /* 13, 0-9A-Za-z */
|
||||
SIT_ITEM(CCTL , CCTL , CCTL , CCTL ) /* 14, CTLESC ... */
|
||||
#endif
|
||||
#undef SIT_ITEM
|
||||
};
|
||||
/* Constants below must match table above */
|
||||
enum {
|
||||
#if ENABLE_ASH_ALIAS
|
||||
CSPCL_CIGN_CIGN_CIGN , /* 0 */
|
||||
#endif
|
||||
CSPCL_CWORD_CWORD_CWORD , /* 1 */
|
||||
CNL_CNL_CNL_CNL , /* 2 */
|
||||
CWORD_CCTL_CCTL_CWORD , /* 3 */
|
||||
CDQUOTE_CENDQUOTE_CWORD_CWORD , /* 4 */
|
||||
CVAR_CVAR_CWORD_CVAR , /* 5 */
|
||||
CSQUOTE_CWORD_CENDQUOTE_CWORD , /* 6 */
|
||||
CSPCL_CWORD_CWORD_CLP , /* 7 */
|
||||
CSPCL_CWORD_CWORD_CRP , /* 8 */
|
||||
CBACK_CBACK_CCTL_CBACK , /* 9 */
|
||||
CBQUOTE_CBQUOTE_CWORD_CBQUOTE , /* 10 */
|
||||
CENDVAR_CENDVAR_CWORD_CENDVAR , /* 11 */
|
||||
CENDFILE_CENDFILE_CENDFILE_CENDFILE, /* 12 */
|
||||
CWORD_CWORD_CWORD_CWORD , /* 13 */
|
||||
CCTL_CCTL_CCTL_CCTL , /* 14 */
|
||||
};
|
||||
#endif /* SH_MATH_SUPPORT */
|
||||
|
||||
/* c in SIT(c, syntax) must be an *unsigned char* or PEOA or PEOF,
|
||||
* caller must ensure proper cast on it if c is *char_ptr!
|
||||
@ -2714,45 +2718,12 @@ SIT(int c, int syntax)
|
||||
}
|
||||
indx = syntax_index_table[s - spec_symbls];
|
||||
}
|
||||
return S_I_T[indx][syntax];
|
||||
return (S_I_T[indx] >> (syntax*4)) & 0xf;
|
||||
}
|
||||
|
||||
#else /* !USE_SIT_FUNCTION */
|
||||
|
||||
# if ENABLE_ASH_ALIAS
|
||||
# define CSPCL_CIGN_CIGN_CIGN 0
|
||||
# define CSPCL_CWORD_CWORD_CWORD 1
|
||||
# define CNL_CNL_CNL_CNL 2
|
||||
# define CWORD_CCTL_CCTL_CWORD 3
|
||||
# define CDQUOTE_CENDQUOTE_CWORD_CWORD 4
|
||||
# define CVAR_CVAR_CWORD_CVAR 5
|
||||
# define CSQUOTE_CWORD_CENDQUOTE_CWORD 6
|
||||
# define CSPCL_CWORD_CWORD_CLP 7
|
||||
# define CSPCL_CWORD_CWORD_CRP 8
|
||||
# define CBACK_CBACK_CCTL_CBACK 9
|
||||
# define CBQUOTE_CBQUOTE_CWORD_CBQUOTE 10
|
||||
# define CENDVAR_CENDVAR_CWORD_CENDVAR 11
|
||||
# define CENDFILE_CENDFILE_CENDFILE_CENDFILE 12
|
||||
# define CWORD_CWORD_CWORD_CWORD 13
|
||||
# define CCTL_CCTL_CCTL_CCTL 14
|
||||
# else
|
||||
# define CSPCL_CWORD_CWORD_CWORD 0
|
||||
# define CNL_CNL_CNL_CNL 1
|
||||
# define CWORD_CCTL_CCTL_CWORD 2
|
||||
# define CDQUOTE_CENDQUOTE_CWORD_CWORD 3
|
||||
# define CVAR_CVAR_CWORD_CVAR 4
|
||||
# define CSQUOTE_CWORD_CENDQUOTE_CWORD 5
|
||||
# define CSPCL_CWORD_CWORD_CLP 6
|
||||
# define CSPCL_CWORD_CWORD_CRP 7
|
||||
# define CBACK_CBACK_CCTL_CBACK 8
|
||||
# define CBQUOTE_CBQUOTE_CWORD_CBQUOTE 9
|
||||
# define CENDVAR_CENDVAR_CWORD_CENDVAR 10
|
||||
# define CENDFILE_CENDFILE_CENDFILE_CENDFILE 11
|
||||
# define CWORD_CWORD_CWORD_CWORD 12
|
||||
# define CCTL_CCTL_CCTL_CCTL 13
|
||||
# endif
|
||||
|
||||
static const uint8_t syntax_index_table[258] = {
|
||||
static const uint8_t syntax_index_table[] = {
|
||||
/* BASESYNTAX_DQSYNTAX_SQSYNTAX_ARISYNTAX */
|
||||
/* 0 */ CWORD_CWORD_CWORD_CWORD,
|
||||
/* 1 */ CWORD_CWORD_CWORD_CWORD,
|
||||
@ -3016,9 +2987,9 @@ static const uint8_t syntax_index_table[258] = {
|
||||
/* PEOF */ CENDFILE_CENDFILE_CENDFILE_CENDFILE,
|
||||
};
|
||||
|
||||
# define SIT(c, syntax) (S_I_T[syntax_index_table[c]][syntax])
|
||||
# define SIT(c, syntax) ((S_I_T[syntax_index_table[c]] >> (syntax*4)) & 0xf)
|
||||
|
||||
#endif /* USE_SIT_FUNCTION */
|
||||
#endif /* !USE_SIT_FUNCTION */
|
||||
|
||||
|
||||
/* ============ Alias handling */
|
||||
@ -10437,7 +10408,7 @@ noexpand(const char *text)
|
||||
continue;
|
||||
if (c == CTLESC)
|
||||
text++;
|
||||
else if (SIT((signed char)c, BASESYNTAX) == CCTL)
|
||||
else if (SIT(c, BASESYNTAX) == CCTL)
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
@ -11398,8 +11369,10 @@ parsebackq: {
|
||||
continue;
|
||||
}
|
||||
if (pc != '\\' && pc != '`' && pc != '$'
|
||||
&& (!dblquote || pc != '"'))
|
||||
&& (!dblquote || pc != '"')
|
||||
) {
|
||||
STPUTC('\\', pout);
|
||||
}
|
||||
if (pc <= 255 /* not PEOA or PEOF */) {
|
||||
break;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user