emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ash: s/int/smallint/. -60 bytes.

Browse Source
This commit is contained in:
Denis Vlasenko 2007-09-21 18:06:20 +00:00
parent fc5d15912c
commit bcceb0c5a4
1 changed files with 47 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

98
shell/ash.c
View File

@ -2152,8 +2152,8 @@ padvance(const char **path, const char *name)
/* ============ Prompt */ /* ============ Prompt */
static int doprompt; /* if set, prompt the user */ static smallint doprompt; /* if set, prompt the user */
static int needprompt; /* true if interactive and at start of line */ static smallint needprompt; /* true if interactive and at start of line */
#if ENABLE_FEATURE_EDITING #if ENABLE_FEATURE_EDITING
static line_input_t *line_input_state; static line_input_t *line_input_state;
@ -2458,7 +2458,7 @@ pwdcmd(int argc, char **argv)
/* ============ ... */ /* ============ ... */
#define IBUFSIZ (BUFSIZ + 1) #define IBUFSIZ COMMON_BUFSIZE
#define basebuf bb_common_bufsiz1 /* buffer for top level input file */ #define basebuf bb_common_bufsiz1 /* buffer for top level input file */
/* Syntax classes */ /* Syntax classes */
@ -8481,11 +8481,6 @@ enum {
INPUT_NOFILE_OK = 2, INPUT_NOFILE_OK = 2,
}; };
/*
* NEOF is returned by parsecmd when it encounters an end of file. It
* must be distinct from NULL, so we use the address of a variable that
* happens to be handy.
*/
static int plinno = 1; /* input line number */ static int plinno = 1; /* input line number */
/* number of characters left in input buffer */ /* number of characters left in input buffer */
static int parsenleft; /* copy of parsefile->nleft */ static int parsenleft; /* copy of parsefile->nleft */
@ -8906,7 +8901,7 @@ setinputstring(char *string)
/* times of mailboxes */ /* times of mailboxes */
static time_t mailtime[MAXMBOXES]; static time_t mailtime[MAXMBOXES];
/* Set if MAIL or MAILPATH is changed. */ /* Set if MAIL or MAILPATH is changed. */
static int mail_var_path_changed; static smallint mail_var_path_changed;
/* /*
* Print appropriate message(s) if mail has arrived. * Print appropriate message(s) if mail has arrived.
@ -8957,7 +8952,7 @@ chkmail(void)
static void static void
changemail(const char *val) changemail(const char *val)
{ {
mail_var_path_changed++; mail_var_path_changed = 1;
} }
#endif /* ASH_MAIL */ #endif /* ASH_MAIL */
@ -9304,15 +9299,20 @@ getoptscmd(int argc, char **argv)
/* ============ Shell parser */ /* ============ Shell parser */
static int tokpushback; /* last token pushed back */ /*
* NEOF is returned by parsecmd when it encounters an end of file. It
* must be distinct from NULL, so we use the address of a variable that
* happens to be handy.
*/
static smallint tokpushback; /* last token pushed back */
#define NEOF ((union node *)&tokpushback) #define NEOF ((union node *)&tokpushback)
static int parsebackquote; /* nonzero if we are inside backquotes */ static smallint parsebackquote; /* nonzero if we are inside backquotes */
static int lasttoken; /* last token read */ static int lasttoken; /* last token read */
static char *wordtext; /* text of last word returned by readtoken */ static char *wordtext; /* text of last word returned by readtoken */
static struct nodelist *backquotelist; static struct nodelist *backquotelist;
static union node *redirnode; static union node *redirnode;
static struct heredoc *heredoc; static struct heredoc *heredoc;
static int quoteflag; /* set if (part of) last token was quoted */ static smallint quoteflag; /* set if (part of) last token was quoted */
static void raise_error_syntax(const char *) ATTRIBUTE_NORETURN; static void raise_error_syntax(const char *) ATTRIBUTE_NORETURN;
static void static void
@ -9406,7 +9406,7 @@ list(int nlflag)
if (nlflag == 1) if (nlflag == 1)
return n1; return n1;
} else { } else {
tokpushback++; tokpushback = 1;
} }
checkkwd = CHKNL | CHKKWD | CHKALIAS; checkkwd = CHKNL | CHKKWD | CHKALIAS;
if (peektoken()) if (peektoken())
@ -9421,7 +9421,7 @@ list(int nlflag)
default: default:
if (nlflag == 1) if (nlflag == 1)
raise_error_unexpected_syntax(-1); raise_error_unexpected_syntax(-1);
tokpushback++; tokpushback = 1;
return n1; return n1;
} }
} }
@ -9441,7 +9441,7 @@ andor(void)
} else if (t == TOR) { } else if (t == TOR) {
t = NOR; t = NOR;
} else { } else {
tokpushback++; tokpushback = 1;
return n1; return n1;
} }
checkkwd = CHKNL | CHKKWD | CHKALIAS; checkkwd = CHKNL | CHKKWD | CHKALIAS;
@ -9467,7 +9467,7 @@ pipeline(void)
negate = !negate; negate = !negate;
checkkwd = CHKKWD | CHKALIAS; checkkwd = CHKKWD | CHKALIAS;
} else } else
tokpushback++; tokpushback = 1;
n1 = parse_command(); n1 = parse_command();
if (readtoken() == TPIPE) { if (readtoken() == TPIPE) {
pipenode = stalloc(sizeof(struct npipe)); pipenode = stalloc(sizeof(struct npipe));
@ -9486,7 +9486,7 @@ pipeline(void)
lp->next = NULL; lp->next = NULL;
n1 = pipenode; n1 = pipenode;
} }
tokpushback++; tokpushback = 1;
if (negate) { if (negate) {
n2 = stalloc(sizeof(struct nnot)); n2 = stalloc(sizeof(struct nnot));
n2->type = NNOT; n2->type = NNOT;
@ -9644,7 +9644,7 @@ simplecmd(void)
} }
/* fall through */ /* fall through */
default: default:
tokpushback++; tokpushback = 1;
goto out; goto out;
} }
} }
@ -9698,7 +9698,7 @@ parse_command(void)
n2->nif.elsepart = list(0); n2->nif.elsepart = list(0);
else { else {
n2->nif.elsepart = NULL; n2->nif.elsepart = NULL;
tokpushback++; tokpushback = 1;
} }
t = TFI; t = TFI;
break; break;
@ -9751,7 +9751,7 @@ parse_command(void)
* that the original Bourne shell only allowed NL). * that the original Bourne shell only allowed NL).
*/ */
if (lasttoken != TNL && lasttoken != TSEMI) if (lasttoken != TNL && lasttoken != TSEMI)
tokpushback++; tokpushback = 1;
} }
checkkwd = CHKNL | CHKKWD | CHKALIAS; checkkwd = CHKNL | CHKKWD | CHKALIAS;
if (readtoken() != TDO) if (readtoken() != TDO)
@ -9824,7 +9824,7 @@ parse_command(void)
break; break;
case TWORD: case TWORD:
case TREDIR: case TREDIR:
tokpushback++; tokpushback = 1;
return simplecmd(); return simplecmd();
} }
@ -9840,7 +9840,7 @@ parse_command(void)
rpp = &n2->nfile.next; rpp = &n2->nfile.next;
parsefname(); parsefname();
} }
tokpushback++; tokpushback = 1;
*rpp = NULL; *rpp = NULL;
if (redir) { if (redir) {
if (n1->type != NSUBSHELL) { if (n1->type != NSUBSHELL) {
@ -9866,8 +9866,6 @@ parse_command(void)
* will run code that appears at the end of readtoken1. * will run code that appears at the end of readtoken1.
*/ */
static int parsebackquote; /* nonzero if we are inside backquotes */
#define CHECKEND() {goto checkend; checkend_return:;} #define CHECKEND() {goto checkend; checkend_return:;}
#define PARSEREDIR() {goto parseredir; parseredir_return:;} #define PARSEREDIR() {goto parseredir; parseredir_return:;}
#define PARSESUB() {goto parsesub; parsesub_return:;} #define PARSESUB() {goto parsesub; parsesub_return:;}
@ -9878,19 +9876,21 @@ static int parsebackquote; /* nonzero if we are inside backquotes */
static int static int
readtoken1(int firstc, int syntax, char *eofmark, int striptabs) readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
{ {
/* NB: syntax parameter fits into smallint */
int c = firstc; int c = firstc;
char *out; char *out;
int len; int len;
char line[EOFMARKLEN + 1]; char line[EOFMARKLEN + 1];
struct nodelist *bqlist = 0; struct nodelist *bqlist;
int quotef = 0; smallint quotef;
int dblquote = 0; smallint dblquote;
int varnest = 0; /* levels of variables expansion */ smallint oldstyle;
int arinest = 0; /* levels of arithmetic expansion */ smallint prevsyntax; /* syntax before arithmetic */
int parenlevel = 0; /* levels of parens in arithmetic */ int varnest; /* levels of variables expansion */
int dqvarnest = 0; /* levels of variables expansion within double quotes */ int arinest; /* levels of arithmetic expansion */
int oldstyle = 0; int parenlevel; /* levels of parens in arithmetic */
int prevsyntax = 0; /* syntax before arithmetic */ int dqvarnest; /* levels of variables expansion within double quotes */
#if __GNUC__ #if __GNUC__
/* Avoid longjmp clobbering */ /* Avoid longjmp clobbering */
(void) &out; (void) &out;
@ -9904,13 +9904,12 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
(void) &prevsyntax; (void) &prevsyntax;
(void) &syntax; (void) &syntax;
#endif #endif
startlinno = plinno; startlinno = plinno;
dblquote = 0;
if (syntax == DQSYNTAX)
dblquote = 1;
quotef = 0;
bqlist = NULL; bqlist = NULL;
quotef = 0;
dblquote = (syntax == DQSYNTAX);
oldstyle = 0;
prevsyntax = 0;
varnest = 0; varnest = 0;
arinest = 0; arinest = 0;
parenlevel = 0; parenlevel = 0;
@ -9961,7 +9960,7 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
if (SIT(c, SQSYNTAX) == CCTL) if (SIT(c, SQSYNTAX) == CCTL)
USTPUTC(CTLESC, out); USTPUTC(CTLESC, out);
USTPUTC(c, out); USTPUTC(c, out);
quotef++; quotef = 1;
} }
break; break;
case CSQUOTE: case CSQUOTE:
@ -9985,7 +9984,7 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
syntax = BASESYNTAX; syntax = BASESYNTAX;
dblquote = 0; dblquote = 0;
} }
quotef++; quotef = 1;
goto quotemark; goto quotemark;
} }
break; break;
@ -10017,10 +10016,7 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
if (--arinest == 0) { if (--arinest == 0) {
USTPUTC(CTLENDARI, out); USTPUTC(CTLENDARI, out);
syntax = prevsyntax; syntax = prevsyntax;
if (syntax == DQSYNTAX) dblquote = (syntax == DQSYNTAX);
dblquote = 1;
else
dblquote = 0;
} else } else
USTPUTC(')', out); USTPUTC(')', out);
} else { } else {
@ -10306,17 +10302,17 @@ parsesub: {
*/ */
parsebackq: { parsebackq: {
struct nodelist **nlpp; struct nodelist **nlpp;
int savepbq; smallint savepbq;
union node *n; union node *n;
char *volatile str; char *volatile str;
struct jmploc jmploc; struct jmploc jmploc;
struct jmploc *volatile savehandler; struct jmploc *volatile savehandler;
size_t savelen; size_t savelen;
int saveprompt = 0; smallint saveprompt = 0;
#ifdef __GNUC__ #ifdef __GNUC__
(void) &saveprompt; (void) &saveprompt;
#endif #endif
savepbq = parsebackquote; savepbq = parsebackquote;
if (setjmp(jmploc.loc)) { if (setjmp(jmploc.loc)) {
if (str) if (str)
@ -10651,7 +10647,7 @@ readtoken(void)
{ {
int t; int t;
#if DEBUG #if DEBUG
int alreadyseen = tokpushback; smallint alreadyseen = tokpushback;
#endif #endif
#if ENABLE_ASH_ALIAS #if ENABLE_ASH_ALIAS
@ -10717,7 +10713,7 @@ peektoken(void)
int t; int t;
t = readtoken(); t = readtoken();
tokpushback++; tokpushback = 1;
return tokname_array[t][0]; return tokname_array[t][0];
} }
@ -10740,7 +10736,7 @@ parsecmd(int interact)
return NEOF; return NEOF;
if (t == TNL) if (t == TNL)
return NULL; return NULL;
tokpushback++; tokpushback = 1;
return list(1); return list(1);
} }