ash: cleanup part 2.5
This commit is contained in:
Denis Vlasenko
parent
a89150733a
commit
2de3d9fbee
313
shell/ash.c
313
shell/ash.c
@ -66,6 +66,15 @@
|
||||
#endif
|
||||
|
||||
|
||||
/* ============ Misc helpers */
|
||||
|
||||
#define xbarrier() do { __asm__ __volatile__ ("": : :"memory"); } while (0)
|
||||
|
||||
/* C99 say: "char" declaration may be signed or unsigned default */
|
||||
#define signed_char2int(sc) ((int)((signed char)sc))
|
||||
|
||||
|
||||
|
||||
/* ============ Shell options */
|
||||
|
||||
static const char *const optletters_optnames[] = {
|
||||
@ -192,13 +201,11 @@ static volatile sig_atomic_t pendingsigs;
|
||||
* much more efficient and portable. (But hacking the kernel is so much
|
||||
* more fun than worrying about efficiency and portability. :-))
|
||||
*/
|
||||
#define xbarrier() ({ __asm__ __volatile__ ("": : :"memory"); })
|
||||
#define INT_OFF \
|
||||
({ \
|
||||
do { \
|
||||
suppressint++; \
|
||||
xbarrier(); \
|
||||
0; \
|
||||
})
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* Called to raise an exception. Since C doesn't include exceptions, we
|
||||
@ -263,38 +270,37 @@ force_int_on(void)
|
||||
#define FORCE_INT_ON force_int_on()
|
||||
#else
|
||||
#define INT_ON \
|
||||
({ \
|
||||
do { \
|
||||
xbarrier(); \
|
||||
if (--suppressint == 0 && intpending) raise_interrupt(); \
|
||||
0; \
|
||||
})
|
||||
if (--suppressint == 0 && intpending) \
|
||||
raise_interrupt(); \
|
||||
} while (0)
|
||||
#define FORCE_INT_ON \
|
||||
({ \
|
||||
do { \
|
||||
xbarrier(); \
|
||||
suppressint = 0; \
|
||||
if (intpending) raise_interrupt(); \
|
||||
0; \
|
||||
})
|
||||
if (intpending) \
|
||||
raise_interrupt(); \
|
||||
} while (0)
|
||||
#endif /* ASH_OPTIMIZE_FOR_SIZE */
|
||||
|
||||
#define SAVE_INT(v) ((v) = suppressint)
|
||||
|
||||
#define RESTORE_INT(v) \
|
||||
({ \
|
||||
do { \
|
||||
xbarrier(); \
|
||||
suppressint = (v); \
|
||||
if (suppressint == 0 && intpending) raise_interrupt(); \
|
||||
0; \
|
||||
})
|
||||
if (suppressint == 0 && intpending) \
|
||||
raise_interrupt(); \
|
||||
} while (0)
|
||||
|
||||
#define EXSIGON \
|
||||
({ \
|
||||
do { \
|
||||
exsig++; \
|
||||
xbarrier(); \
|
||||
if (pendingsigs) \
|
||||
raise_exception(EXSIG); \
|
||||
0; \
|
||||
})
|
||||
} while (0)
|
||||
/* EXSIG is turned off by evalbltin(). */
|
||||
|
||||
/*
|
||||
@ -406,7 +412,7 @@ out2str(const char *p)
|
||||
}
|
||||
|
||||
|
||||
/* ============ Parsing structures */
|
||||
/* ============ Parser structures */
|
||||
|
||||
/* control characters in argument strings */
|
||||
#define CTLESC '\201' /* escape next character */
|
||||
@ -436,6 +442,8 @@ out2str(const char *p)
|
||||
#define VSTRIMLEFTMAX 0x9 /* ${var##pattern} */
|
||||
#define VSLENGTH 0xa /* ${#var} */
|
||||
|
||||
static const char dolatstr[] = { CTLVAR, VSNORMAL|VSQUOTE, '@', '=', '\0' };
|
||||
|
||||
#define NCMD 0
|
||||
#define NPIPE 1
|
||||
#define NREDIR 2
|
||||
@ -1361,21 +1369,25 @@ _STPUTC(int c, char *p)
|
||||
return p;
|
||||
}
|
||||
|
||||
#define STARTSTACKSTR(p) ((p) = stackblock())
|
||||
#define STPUTC(c, p) ((p) = _STPUTC((c), (p)))
|
||||
#define STARTSTACKSTR(p) ((p) = stackblock())
|
||||
#define STPUTC(c, p) ((p) = _STPUTC((c), (p)))
|
||||
#define CHECKSTRSPACE(n, p) \
|
||||
({ \
|
||||
do { \
|
||||
char *q = (p); \
|
||||
size_t l = (n); \
|
||||
size_t m = sstrend - q; \
|
||||
if (l > m) \
|
||||
(p) = makestrspace(l, q); \
|
||||
0; \
|
||||
})
|
||||
} while (0)
|
||||
#define USTPUTC(c, p) (*p++ = (c))
|
||||
#define STACKSTRNUL(p) ((p) == sstrend ? (p = growstackstr(), *p = '\0') : (*p = '\0'))
|
||||
#define STACKSTRNUL(p) \
|
||||
do { \
|
||||
if ((p) == sstrend) \
|
||||
p = growstackstr(); \
|
||||
*p = '\0'; \
|
||||
} while (0)
|
||||
#define STUNPUTC(p) (--p)
|
||||
#define STTOPC(p) p[-1]
|
||||
#define STTOPC(p) (p[-1])
|
||||
#define STADJUST(amount, p) (p += (amount))
|
||||
|
||||
#define grabstackstr(p) stalloc((char *)(p) - (char *)stackblock())
|
||||
@ -1519,6 +1531,29 @@ nextopt(const char *optstring)
|
||||
}
|
||||
|
||||
|
||||
/* ============ Math support definitions */
|
||||
|
||||
#if ENABLE_ASH_MATH_SUPPORT_64
|
||||
typedef int64_t arith_t;
|
||||
#define arith_t_type long long
|
||||
#else
|
||||
typedef long arith_t;
|
||||
#define arith_t_type long
|
||||
#endif
|
||||
|
||||
#if ENABLE_ASH_MATH_SUPPORT
|
||||
static arith_t dash_arith(const char *);
|
||||
static arith_t arith(const char *expr, int *perrcode);
|
||||
#endif
|
||||
|
||||
#if ENABLE_ASH_RANDOM_SUPPORT
|
||||
static unsigned long rseed;
|
||||
#ifndef DYNAMIC_VAR
|
||||
#define DYNAMIC_VAR
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
/* ============ Shell variables */
|
||||
|
||||
/* flags */
|
||||
@ -1532,9 +1567,9 @@ nextopt(const char *optstring)
|
||||
#define VNOSET 0x80 /* do not set variable - just readonly test */
|
||||
#define VNOSAVE 0x100 /* when text is on the heap before setvareq */
|
||||
#ifdef DYNAMIC_VAR
|
||||
# define VDYNAMIC 0x200 /* dynamic variable */
|
||||
# else
|
||||
# define VDYNAMIC 0
|
||||
# define VDYNAMIC 0x200 /* dynamic variable */
|
||||
#else
|
||||
# define VDYNAMIC 0
|
||||
#endif
|
||||
|
||||
static const char defpathvar[] = "PATH=/usr/local/bin:/usr/bin:/sbin:/bin";
|
||||
@ -2401,12 +2436,6 @@ pwdcmd(int argc, char **argv)
|
||||
#define IBUFSIZ (BUFSIZ + 1)
|
||||
#define basebuf bb_common_bufsiz1 /* buffer for top level input file */
|
||||
|
||||
|
||||
/* shell.h */
|
||||
|
||||
static const char spcstr[] = " ";
|
||||
static const char dolatstr[] = { CTLVAR, VSNORMAL|VSQUOTE, '@', '=', '\0' };
|
||||
|
||||
/* Syntax classes */
|
||||
#define CWORD 0 /* character is nothing special */
|
||||
#define CNL 1 /* newline character */
|
||||
@ -2435,77 +2464,72 @@ static const char dolatstr[] = { CTLVAR, VSNORMAL|VSQUOTE, '@', '=', '\0' };
|
||||
#define PEOA_OR_PEOF PEOF
|
||||
#endif
|
||||
|
||||
/* C99 say: "char" declaration may be signed or unsigned default */
|
||||
#define SC2INT(chr2may_be_negative_int) (int)((signed char)chr2may_be_negative_int)
|
||||
|
||||
/*
|
||||
* is_special(c) evaluates to 1 for c in "!#$*-0123456789?@"; 0 otherwise
|
||||
* (assuming ascii char codes, as the original implementation did)
|
||||
*/
|
||||
#define is_special(c) \
|
||||
( (((unsigned int)c) - 33 < 32) \
|
||||
&& ((0xc1ff920dUL >> (((unsigned int)c) - 33)) & 1))
|
||||
((((unsigned int)c) - 33 < 32) \
|
||||
&& ((0xc1ff920dUL >> (((unsigned int)c) - 33)) & 1))
|
||||
|
||||
/* number syntax index */
|
||||
#define BASESYNTAX 0 /* not in quotes */
|
||||
#define DQSYNTAX 1 /* in double quotes */
|
||||
#define SQSYNTAX 2 /* in single quotes */
|
||||
#define ARISYNTAX 3 /* in arithmetic */
|
||||
|
||||
#if ENABLE_ASH_OPTIMIZE_FOR_SIZE
|
||||
#define USE_SIT_FUNCTION
|
||||
#endif
|
||||
|
||||
/* number syntax index */
|
||||
#define BASESYNTAX 0 /* not in quotes */
|
||||
#define DQSYNTAX 1 /* in double quotes */
|
||||
#define SQSYNTAX 2 /* in single quotes */
|
||||
#define ARISYNTAX 3 /* in arithmetic */
|
||||
|
||||
#if ENABLE_ASH_MATH_SUPPORT
|
||||
static const char S_I_T[][4] = {
|
||||
#if ENABLE_ASH_ALIAS
|
||||
{CSPCL, CIGN, CIGN, CIGN}, /* 0, PEOA */
|
||||
{ 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, } */
|
||||
{ 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 ... */
|
||||
{ CENDFILE, CENDFILE, CENDFILE, CENDFILE }, /* 12, PEOF */
|
||||
{ CWORD, CWORD, CWORD, CWORD }, /* 13, 0-9A-Za-z */
|
||||
{ CCTL, CCTL, CCTL, CCTL } /* 14, CTLESC ... */
|
||||
#endif
|
||||
};
|
||||
#else
|
||||
static const char S_I_T[][3] = {
|
||||
#if ENABLE_ASH_ALIAS
|
||||
{CSPCL, CIGN, CIGN}, /* 0, PEOA */
|
||||
{ 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, } */
|
||||
{ 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 ... */
|
||||
{ CENDFILE, CENDFILE, CENDFILE }, /* 12, PEOF */
|
||||
{ CWORD, CWORD, CWORD }, /* 13, 0-9A-Za-z */
|
||||
{ CCTL, CCTL, CCTL } /* 14, CTLESC ... */
|
||||
#endif
|
||||
};
|
||||
#endif /* ASH_MATH_SUPPORT */
|
||||
|
||||
#ifdef USE_SIT_FUNCTION
|
||||
|
||||
#define U_C(c) ((unsigned char)(c))
|
||||
|
||||
static int
|
||||
SIT(int c, int syntax)
|
||||
{
|
||||
@ -2535,9 +2559,13 @@ SIT(int c, int syntax)
|
||||
indx = 0;
|
||||
else
|
||||
#endif
|
||||
if (U_C(c) >= U_C(CTLESC) && U_C(c) <= U_C(CTLQUOTEMARK))
|
||||
#define U_C(c) ((unsigned char)(c))
|
||||
|
||||
if ((unsigned char)c >= (unsigned char)(CTLESC)
|
||||
&& (unsigned char)c <= (unsigned char)(CTLQUOTEMARK)
|
||||
) {
|
||||
return CCTL;
|
||||
else {
|
||||
} else {
|
||||
s = strchr(spec_symbls, c);
|
||||
if (s == NULL || *s == '\0')
|
||||
return CWORD;
|
||||
@ -2546,41 +2574,39 @@ SIT(int c, int syntax)
|
||||
return S_I_T[indx][syntax];
|
||||
}
|
||||
|
||||
#else /* USE_SIT_FUNCTION */
|
||||
|
||||
#define SIT(c, syntax) S_I_T[(int)syntax_index_table[((int)c)+SYNBASE]][syntax]
|
||||
#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
|
||||
#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
|
||||
#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 char syntax_index_table[258] = {
|
||||
@ -2847,32 +2873,11 @@ static const char syntax_index_table[258] = {
|
||||
/* 257 127 */ CWORD_CWORD_CWORD_CWORD,
|
||||
};
|
||||
|
||||
#define SIT(c, syntax) (S_I_T[(int)syntax_index_table[((int)c)+SYNBASE]][syntax])
|
||||
|
||||
#endif /* USE_SIT_FUNCTION */
|
||||
|
||||
|
||||
/* exec.h */
|
||||
|
||||
#if ENABLE_ASH_MATH_SUPPORT_64
|
||||
typedef int64_t arith_t;
|
||||
#define arith_t_type long long
|
||||
#else
|
||||
typedef long arith_t;
|
||||
#define arith_t_type long
|
||||
#endif
|
||||
|
||||
#if ENABLE_ASH_MATH_SUPPORT
|
||||
static arith_t dash_arith(const char *);
|
||||
static arith_t arith(const char *expr, int *perrcode);
|
||||
#endif
|
||||
|
||||
#if ENABLE_ASH_RANDOM_SUPPORT
|
||||
static unsigned long rseed;
|
||||
# ifndef DYNAMIC_VAR
|
||||
# define DYNAMIC_VAR
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
/* main.h */
|
||||
|
||||
static void readcmdfile(char *);
|
||||
@ -4244,10 +4249,10 @@ cmdlist(union node *np, int sep)
|
||||
{
|
||||
for (; np; np = np->narg.next) {
|
||||
if (!sep)
|
||||
cmdputs(spcstr);
|
||||
cmdputs(" ");
|
||||
cmdtxt(np);
|
||||
if (sep && np->narg.next)
|
||||
cmdputs(spcstr);
|
||||
cmdputs(" ");
|
||||
}
|
||||
}
|
||||
|
||||
@ -4810,7 +4815,7 @@ memtodest(const char *p, size_t len, int syntax, int quotes)
|
||||
q = makestrspace(len * 2, q);
|
||||
|
||||
while (len--) {
|
||||
int c = SC2INT(*p++);
|
||||
int c = signed_char2int(*p++);
|
||||
if (!c)
|
||||
continue;
|
||||
if (quotes && (SIT(c, syntax) == CCTL || SIT(c, syntax) == CBACK))
|
||||
@ -5477,7 +5482,7 @@ varvalue(char *name, int varflags, int flags)
|
||||
goto param;
|
||||
/* fall through */
|
||||
case '*':
|
||||
sep = ifsset() ? SC2INT(ifsval()[0]) : ' ';
|
||||
sep = ifsset() ? signed_char2int(ifsval()[0]) : ' ';
|
||||
if (quotes && (SIT(sep, syntax) == CCTL || SIT(sep, syntax) == CBACK))
|
||||
sepq = 1;
|
||||
param:
|
||||
@ -8510,7 +8515,7 @@ preadbuffer(void)
|
||||
#endif
|
||||
popstring();
|
||||
if (--parsenleft >= 0)
|
||||
return SC2INT(*parsenextc++);
|
||||
return signed_char2int(*parsenextc++);
|
||||
}
|
||||
if (parsenleft == EOF_NLEFT || parsefile->buf == NULL)
|
||||
return PEOF;
|
||||
@ -8563,25 +8568,20 @@ preadbuffer(void)
|
||||
|
||||
*q = savec;
|
||||
|
||||
return SC2INT(*parsenextc++);
|
||||
return signed_char2int(*parsenextc++);
|
||||
}
|
||||
|
||||
#define pgetc_as_macro() (--parsenleft >= 0? SC2INT(*parsenextc++) : preadbuffer())
|
||||
|
||||
#if ENABLE_ASH_OPTIMIZE_FOR_SIZE
|
||||
#define pgetc_macro() pgetc()
|
||||
#define pgetc_as_macro() (--parsenleft >= 0? signed_char2int(*parsenextc++) : preadbuffer())
|
||||
static int
|
||||
pgetc(void)
|
||||
{
|
||||
return pgetc_as_macro();
|
||||
}
|
||||
|
||||
#if ENABLE_ASH_OPTIMIZE_FOR_SIZE
|
||||
#define pgetc_macro() pgetc()
|
||||
#else
|
||||
#define pgetc_macro() pgetc_as_macro()
|
||||
static int
|
||||
pgetc(void)
|
||||
{
|
||||
return pgetc_macro();
|
||||
}
|
||||
#define pgetc_macro() pgetc_as_macro()
|
||||
#endif
|
||||
|
||||
/*
|
||||
@ -8810,6 +8810,7 @@ setinputstring(char *string)
|
||||
*
|
||||
* Routines to check for mail.
|
||||
*/
|
||||
|
||||
#if ENABLE_ASH_MAIL
|
||||
|
||||
#define MAXMBOXES 10
|
||||
@ -8870,6 +8871,7 @@ changemail(const char *val)
|
||||
{
|
||||
mail_var_path_changed++;
|
||||
}
|
||||
|
||||
#endif /* ASH_MAIL */
|
||||
|
||||
|
||||
@ -9133,7 +9135,7 @@ showvars(const char *sep_prefix, int on, int off)
|
||||
ep = listvars(on, off, &epend);
|
||||
qsort(ep, epend - ep, sizeof(char *), vpcmp);
|
||||
|
||||
sep = *sep_prefix ? spcstr : sep_prefix;
|
||||
sep = *sep_prefix ? " " : sep_prefix;
|
||||
|
||||
for (; ep < epend; ep++) {
|
||||
const char *p;
|
||||
@ -10991,9 +10993,8 @@ readcmdfile(char *name)
|
||||
}
|
||||
|
||||
|
||||
/* ============ redir.c */
|
||||
|
||||
/*
|
||||
/* ============ redir.c
|
||||
*
|
||||
* Code for dealing with input/output redirection.
|
||||
*/
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user