Cell *intest(Node **a, int n) /* a[0] is index (list), a[1] is symtab */
{
Cell *x, *ap, *k;
Node *p;
char buf[RECSIZE];
char *s;
ap = execute(a[1]); /* array name */
if (!isarr(ap)) {
dprintf( ("making %s into an array\n", ap->nval) );
if (freeable(ap))
xfree(ap->sval);
ap->tval &= ~(STR|NUM|DONTFREE);
ap->tval |= ARR;
ap->sval = (char *) makesymtab(NSYMTAB);
}
buf[0] = 0;
for (p = a[0]; p; p = p->nnext) {
x = execute(p); /* expr */
s = getsval(x);
strcat(buf, s);
tempfree(x);
if (p->nnext)
strcat(buf, *SUBSEP);
}
k = lookup(buf, (Array *) ap->sval);
tempfree(ap);
if (k == NULL)
return(false);
else
return(true);
}
Cell *array(Node **a, int n) /* a[0] is symtab, a[1] is list of subscripts */
{
Cell *x, *y, *z;
char *s;
Node *np;
char buf[RECSIZE];
x = execute(a[0]); /* Cell* for symbol table */
buf[0] = 0;
for (np = a[1]; np; np = np->nnext) {
y = execute(np); /* subscript */
s = getsval(y);
strcat(buf, s); /* BUG: unchecked! */
if (np->nnext)
strcat(buf, *SUBSEP);
tempfree(y);
}
if (!isarr(x)) {
dprintf( ("making %s into an array\n", x->nval) );
if (freeable(x))
xfree(x->sval);
x->tval &= ~(STR|NUM|DONTFREE);
x->tval |= ARR;
x->sval = (char *) makesymtab(NSYMTAB);
}
z = setsymtab(buf, "", 0.0, STR|NUM, (Array *) x->sval);
z->ctype = OCELL;
z->csub = CVAR;
tempfree(x);
return(z);
}
Cell *adelete(Node **a, int n) /* a[0] is symtab, a[1] is list of subscripts */
{
Cell *x, *y;
Node *np;
char buf[RECSIZE], *s;
x = execute(a[0]); /* Cell* for symbol table */
if (!isarr(x))
return true;
if (a[1] == 0) { /* delete the elements, not the table */
freesymtab(x);
x->tval &= ~STR;
x->tval |= ARR;
x->sval = (char *) makesymtab(NSYMTAB);
} else {
buf[0] = 0;
for (np = a[1]; np; np = np->nnext) {
y = execute(np); /* subscript */
s = getsval(y);
strcat(buf, s);
if (np->nnext)
strcat(buf, *SUBSEP);
tempfree(y);
}
freeelem(x, buf);
}
tempfree(x);
return true;
}
syminit()
{
extern Node *valtonode();
extern Cell fldtab[];
symtab = makesymtab(NSYMTAB);
setsymtab("0", "0", 0.0, NUM|STR|CON, symtab);
/* this is used for if(x)... tests: */
nullloc = setsymtab("$zero&null", "", 0.0, NUM|STR|CON, symtab);
nullnode = valtonode(nullloc, CCON);
/* recloc = setsymtab("$0", record, 0.0, REC|STR|DONTFREE, symtab); */
recloc = &fldtab[0];
FS = &setsymtab("FS", " ", 0.0, STR, symtab)->sval;
RS = &setsymtab("RS", "\n", 0.0, STR, symtab)->sval;
OFS = &setsymtab("OFS", " ", 0.0, STR, symtab)->sval;
ORS = &setsymtab("ORS", "\n", 0.0, STR, symtab)->sval;
OFMT = &setsymtab("OFMT", "%.6g", 0.0, STR, symtab)->sval;
FILENAME = &setsymtab("FILENAME", "", 0.0, STR, symtab)->sval;
nfloc = setsymtab("NF", "", 0.0, NUM, symtab);
NF = &nfloc->fval;
nrloc = setsymtab("NR", "", 0.0, NUM, symtab);
NR = &nrloc->fval;
fnrloc = setsymtab("FNR", "", 0.0, NUM, symtab);
FNR = &fnrloc->fval;
SUBSEP = &setsymtab("SUBSEP", "\034", 0.0, STR, symtab)->sval;
rstartloc = setsymtab("RSTART", "", 0.0, NUM, symtab);
RSTART = &rstartloc->fval;
rlengthloc = setsymtab("RLENGTH", "", 0.0, NUM, symtab);
RLENGTH = &rlengthloc->fval;
symtabloc = setsymtab("SYMTAB", "", 0.0, ARR, symtab);
symtabloc->sval = (uchar *) symtab;
}
Node *makearr(Node *p)
{
Cell *cp;
if (isvalue(p)) {
cp = (Cell *) (p->narg[0]);
if (isfcn(cp))
SYNTAX( "%s is a function, not an array", cp->nval );
else if (!isarr(cp)) {
xfree(cp->sval);
cp->sval = (char *) makesymtab(NSYMTAB);
cp->tval = ARR;
}
}
return p;
}
void envinit(uchar **envp)
{
Cell *cp;
uchar *p;
cp = setsymtab("ENVIRON", "", 0.0, ARR, symtab);
ENVtab = makesymtab(NSYMTAB);
cp->sval = (uchar *) ENVtab;
for ( ; *envp; envp++) {
if ((p = (uchar *) strchr((char *) *envp, '=')) == NULL) /* index() on bsd */
continue;
*p++ = 0; /* split into two strings at = */
if (isnumber(p))
setsymtab(*envp, p, atof(p), STR|NUM, ENVtab);
else
setsymtab(*envp, p, 0.0, STR, ENVtab);
p[-1] = '='; /* restore in case env is passed down to a shell */
}
}
void arginit(int ac, char **av) /* set up ARGV and ARGC */
{
Cell *cp;
int i;
char temp[50];
ARGC = &setsymtab("ARGC", "", (Awkfloat) ac, NUM, symtab)->fval;
cp = setsymtab("ARGV", "", 0.0, ARR, symtab);
ARGVtab = makesymtab(NSYMTAB); /* could be (int) ARGC as well */
cp->sval = (char *) ARGVtab;
for (i = 0; i < ac; i++) {
sprintf(temp, "%d", i);
if (is_number(*av))
setsymtab(temp, *av, atof(*av), STR|NUM, ARGVtab);
else
setsymtab(temp, *av, 0.0, STR, ARGVtab);
av++;
}
}
void envinit(char **envp) /* set up ENVIRON variable */
{
Cell *cp;
char *p;
cp = setsymtab("ENVIRON", "", 0.0, ARR, symtab);
ENVtab = makesymtab(NSYMTAB);
cp->sval = (char *) ENVtab;
for ( ; *envp; envp++) {
if ((p = strchr(*envp, '=')) == NULL)
continue;
if( p == *envp ) /* no left hand side name in env string */
continue;
*p++ = 0; /* split into two strings at = */
if (is_number(p))
setsymtab(*envp, p, atof(p), STR|NUM, ENVtab);
else
setsymtab(*envp, p, 0.0, STR, ENVtab);
p[-1] = '='; /* restore in case env is passed down to a shell */
}
}
Cell *intest(Node **a, int n) /* a[0] is index (list), a[1] is symtab */
{
Cell *x, *ap, *k;
Node *p;
char *buf;
char *s;
int bufsz = recsize;
int nsub = strlen(*SUBSEP);
ap = execute(a[1]); /* array name */
if (!isarr(ap)) {
dprintf( ("making %s into an array\n", ap->nval) );
if (freeable(ap))
xfree(ap->sval);
ap->tval &= ~(STR|NUM|DONTFREE);
ap->tval |= ARR;
ap->sval = (char *) makesymtab(NSYMTAB);
}
if ((buf = (char *) malloc(bufsz)) == NULL) {
FATAL("out of memory in intest");
}
buf[0] = 0;
for (p = a[0]; p; p = p->nnext) {
x = execute(p); /* expr */
s = getsval(x);
if (!adjbuf(&buf, &bufsz, strlen(buf)+strlen(s)+nsub+1, recsize, 0, "intest"))
FATAL("out of memory deleting %s[%s...]", x->nval, buf);
strcat(buf, s);
tempfree(x);
if (p->nnext)
strcat(buf, *SUBSEP);
}
k = lookup(buf, (Array *) ap->sval);
tempfree(ap);
free(buf);
if (k == NULL)
return(False);
else
return(True);
}
Cell *array(Node **a, int n) /* a[0] is symtab, a[1] is list of subscripts */
{
Cell *x, *y, *z;
char *s;
Node *np;
char *buf;
int bufsz = recsize;
int nsub = strlen(*SUBSEP);
if ((buf = (char *) malloc(bufsz)) == NULL)
FATAL("out of memory in array");
x = execute(a[0]); /* Cell* for symbol table */
buf[0] = 0;
for (np = a[1]; np; np = np->nnext) {
y = execute(np); /* subscript */
s = getsval(y);
if (!adjbuf(&buf, &bufsz, strlen(buf)+strlen(s)+nsub+1, recsize, 0, "array"))
FATAL("out of memory for %s[%s...]", x->nval, buf);
strcat(buf, s);
if (np->nnext)
strcat(buf, *SUBSEP);
tempfree(y);
}
if (!isarr(x)) {
dprintf( ("making %s into an array\n", NN(x->nval)) );
if (freeable(x))
xfree(x->sval);
x->tval &= ~(STR|NUM|DONTFREE);
x->tval |= ARR;
x->sval = (char *) makesymtab(NSYMTAB);
}
z = setsymtab(buf, "", 0.0, STR|NUM, (Array *) x->sval);
z->ctype = OCELL;
z->csub = CVAR;
tempfree(x);
free(buf);
return(z);
}
Cell *awkdelete(Node **a, int n) /* a[0] is symtab, a[1] is list of subscripts */
{
Cell *x, *y;
Node *np;
char *s;
int nsub = strlen(*SUBSEP);
x = execute(a[0]); /* Cell* for symbol table */
if (!isarr(x))
return True;
if (a[1] == 0) { /* delete the elements, not the table */
freesymtab(x);
x->tval &= ~STR;
x->tval |= ARR;
x->sval = (char *) makesymtab(NSYMTAB);
} else {
int bufsz = recsize;
char *buf;
if ((buf = (char *) malloc(bufsz)) == NULL)
FATAL("out of memory in adelete");
buf[0] = 0;
for (np = a[1]; np; np = np->nnext) {
y = execute(np); /* subscript */
s = getsval(y);
if (!adjbuf(&buf, &bufsz, strlen(buf)+strlen(s)+nsub+1, recsize, 0, "awkdelete"))
FATAL("out of memory deleting %s[%s...]", x->nval, buf);
strcat(buf, s);
if (np->nnext)
strcat(buf, *SUBSEP);
tempfree(y);
}
freeelem(x, buf);
free(buf);
}
tempfree(x);
return True;
}
void arginit(int ac, uchar *av[])
{
Cell *cp;
int i;
uchar temp[5];
for (i = 1; i < ac; i++) /* first make FILENAME first real argument */
if (!isclvar(av[i])) {
setsval(lookup("FILENAME", symtab), av[i]);
break;
}
ARGC = &setsymtab("ARGC", "", (Awkfloat) ac, NUM, symtab)->fval;
cp = setsymtab("ARGV", "", 0.0, ARR, symtab);
ARGVtab = makesymtab(NSYMTAB); /* could be (int) ARGC as well */
cp->sval = (uchar *) ARGVtab;
for (i = 0; i < ac; i++) {
sprintf((char *)temp, "%d", i);
if (isnumber(*av))
setsymtab(temp, *av, atof(*av), STR|NUM, ARGVtab);
else
setsymtab(temp, *av, 0.0, STR, ARGVtab);
av++;
}
}
Cell *split(Node **a, int nnn) /* split(a[0], a[1], a[2]); a[3] is type */
{
Cell *x = 0, *y, *ap;
char *s, *origs;
int sep;
char *t, temp, num[50], *fs = 0;
int n, tempstat, arg3type;
y = execute(a[0]); /* source string */
origs = s = strdup(getsval(y));
arg3type = ptoi(a[3]);
if (a[2] == 0) /* fs string */
fs = *FS;
else if (arg3type == STRING) { /* split(str,arr,"string") */
x = execute(a[2]);
fs = getsval(x);
} else if (arg3type == REGEXPR)
fs = "(regexpr)"; /* split(str,arr,/regexpr/) */
else
FATAL("illegal type of split");
sep = *fs;
ap = execute(a[1]); /* array name */
freesymtab(ap);
dprintf( ("split: s=|%s|, a=%s, sep=|%s|\n", s, NN(ap->nval), fs) );
ap->tval &= ~STR;
ap->tval |= ARR;
ap->sval = (char *) makesymtab(NSYMTAB);
n = 0;
if (arg3type == REGEXPR && strlen((char*)((fa*)a[2])->restr) == 0) {
/* split(s, a, //); have to arrange that it looks like empty sep */
arg3type = 0;
fs = "";
sep = 0;
}
if (*s != '\0' && (strlen(fs) > 1 || arg3type == REGEXPR)) { /* reg expr */
fa *pfa;
if (arg3type == REGEXPR) { /* it's ready already */
pfa = (fa *) a[2];
} else {
pfa = makedfa(fs, 1);
}
if (nematch(pfa,s)) {
tempstat = pfa->initstat;
pfa->initstat = 2;
do {
n++;
sprintf(num, "%d", n);
temp = *patbeg;
*patbeg = '\0';
if (is_number(s))
setsymtab(num, s, atof(s), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, s, 0.0, STR, (Array *) ap->sval);
*patbeg = temp;
s = patbeg + patlen;
if (*(patbeg+patlen-1) == 0 || *s == 0) {
n++;
sprintf(num, "%d", n);
setsymtab(num, "", 0.0, STR, (Array *) ap->sval);
pfa->initstat = tempstat;
goto spdone;
}
} while (nematch(pfa,s));
pfa->initstat = tempstat; /* bwk: has to be here to reset */
/* cf gsub and refldbld */
}
n++;
sprintf(num, "%d", n);
if (is_number(s))
setsymtab(num, s, atof(s), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, s, 0.0, STR, (Array *) ap->sval);
spdone:
pfa = NULL;
} else if (sep == ' ') {
for (n = 0; ; ) {
while (*s == ' ' || *s == '\t' || *s == '\n')
s++;
if (*s == 0)
break;
n++;
t = s;
do
s++;
while (*s!=' ' && *s!='\t' && *s!='\n' && *s!='\0');
temp = *s;
*s = '\0';
sprintf(num, "%d", n);
if (is_number(t))
setsymtab(num, t, atof(t), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, t, 0.0, STR, (Array *) ap->sval);
*s = temp;
if (*s != 0)
s++;
}
} else if (sep == 0) { /* new: split(s, a, "") => 1 char/elem */
for (n = 0; *s != 0; s++) {
char buf[2];
n++;
sprintf(num, "%d", n);
buf[0] = *s;
buf[1] = 0;
if (isdigit((uschar)buf[0]))
setsymtab(num, buf, atof(buf), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, buf, 0.0, STR, (Array *) ap->sval);
}
} else if (*s != 0) {
for (;;) {
n++;
t = s;
while (*s != sep && *s != '\n' && *s != '\0')
s++;
temp = *s;
*s = '\0';
sprintf(num, "%d", n);
if (is_number(t))
setsymtab(num, t, atof(t), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, t, 0.0, STR, (Array *) ap->sval);
*s = temp;
if (*s++ == 0)
break;
}
}
tempfree(ap);
tempfree(y);
free(origs);
if (a[2] != 0 && arg3type == STRING) {
tempfree(x);
}
x = gettemp();
x->tval = NUM;
x->fval = n;
return(x);
}
Cell *split(Node **a, int nnn) /* split(a[0], a[1], a[2]); a[3] is type */
{
Cell *x = 0, *y, *ap;
char *s;
int sep;
char *t, temp, num[10], *fs = 0;
int n, tempstat;
y = execute(a[0]); /* source string */
s = getsval(y);
if (a[2] == 0) /* fs string */
fs = *FS;
else if ((int) a[3] == STRING) { /* split(str,arr,"string") */
x = execute(a[2]);
fs = getsval(x);
} else if ((int) a[3] == REGEXPR)
fs = (char*) "(regexpr)"; /* split(str,arr,/regexpr/) */
else
ERROR "illegal type of split()" FATAL;
sep = *fs;
ap = execute(a[1]); /* array name */
freesymtab(ap);
dprintf( ("split: s=|%s|, a=%s, sep=|%s|\n", s, ap->nval, fs) );
ap->tval &= ~STR;
ap->tval |= ARR;
ap->sval = (char *) makesymtab(NSYMTAB);
n = 0;
if ((*s != '\0' && strlen(fs) > 1) || (int) a[3] == REGEXPR) { /* reg expr */
fa *pfa;
if ((int) a[3] == REGEXPR) { /* it's ready already */
pfa = (fa *) a[2];
} else {
pfa = makedfa(fs, 1);
}
if (nematch(pfa,s)) {
tempstat = pfa->initstat;
pfa->initstat = 2;
do {
n++;
sprintf((char *)num, "%d", n);
temp = *patbeg;
*patbeg = '\0';
if (isnumber(s))
setsymtab(num, s, atof((char *)s), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, s, 0.0, STR, (Array *) ap->sval);
*patbeg = temp;
s = patbeg + patlen;
if (*(patbeg+patlen-1) == 0 || *s == 0) {
n++;
sprintf((char *)num, "%d", n);
setsymtab(num, "", 0.0, STR, (Array *) ap->sval);
pfa->initstat = tempstat;
goto spdone;
}
} while (nematch(pfa,s));
}
n++;
sprintf((char *)num, "%d", n);
if (isnumber(s))
setsymtab(num, s, atof((char *)s), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, s, 0.0, STR, (Array *) ap->sval);
spdone:
pfa = NULL;
} else if (sep == ' ') {
for (n = 0; ; ) {
while (*s == ' ' || *s == '\t' || *s == '\n')
s++;
if (*s == 0)
break;
n++;
t = s;
do
s++;
while (*s!=' ' && *s!='\t' && *s!='\n' && *s!='\0');
temp = *s;
*s = '\0';
sprintf((char *)num, "%d", n);
if (isnumber(t))
setsymtab(num, t, atof((char *)t), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, t, 0.0, STR, (Array *) ap->sval);
*s = temp;
if (*s != 0)
s++;
}
} else if (sep == 0) { /* new: split(s, a, "") => 1 char/elem */
for (n = 0; *s != 0; s++) {
char buf[2];
n++;
sprintf((char *)num, "%d", n);
buf[0] = *s;
buf[1] = 0;
if (isdigit(buf[0]))
setsymtab(num, buf, atof(buf), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, buf, 0.0, STR, (Array *) ap->sval);
}
} else if (*s != 0) {
for (;;) {
n++;
t = s;
while (*s != sep && *s != '\n' && *s != '\0')
s++;
temp = *s;
*s = '\0';
sprintf((char *)num, "%d", n);
if (isnumber(t))
setsymtab(num, t, atof((char *)t), STR|NUM, (Array *) ap->sval);
else
setsymtab(num, t, 0.0, STR, (Array *) ap->sval);
*s = temp;
if (*s++ == 0)
break;
}
}
tempfree(ap);
tempfree(y);
if (a[2] != 0 && (int) a[3] == STRING)
tempfree(x);
x = gettemp();
x->tval = NUM;
x->fval = n;
return(x);
}
int
main(int argc, char *argv[])
{
Symtab *symtab;
Symbol *sym;
setpname(argv[0]);
if (argc > 1)
fprintf(stderr, "%s: unused arguments\n", getpname());
if ((symtab = makesymtab(0)) == NULL)
die(1, "failed to allocate symbol table:");
if ((sym = storesym(symtab, "foo")) == NULL)
die(1, "failed to insert lexem \"foo\":");
sym->symtype = S_IDENT;
if ((sym = storesym(symtab, "bar")) == NULL)
die(1, "failed to insert lexem \"bar\":");
sym->symtype = S_IDENT;
if ((sym = storesym(symtab, "baz")) == NULL)
die(1, "failed to insert lexem \"baz\":");
sym->symtype = S_IDENT;
if ((sym = findsym(symtab, "foo")) == NULL)
die(1, "couldn't find lexem \"foo\":");
if (sym->symtype != S_IDENT)
die(1, "symtype of \"foo\" is not S_IDENT");
sym->symtype = S_INTCONST;
if ((sym = findsym(symtab, "bar")) == NULL)
die(1, "couldn't find lexem \"bar\":");
if (sym->symtype != S_IDENT)
die(1, "%s: symtype of \"bar\" is not S_IDENT");
sym->symtype = S_INTCONST;
if ((sym = findsym(symtab, "baz")) == NULL)
die(1, "couldn't find lexem \"baz\":");
if (sym->symtype != S_IDENT)
die(1, "symtype of \"baz\" is not S_IDENT");
sym->symtype = S_INTCONST;
if ((sym = findsym(symtab, "foo")) == NULL)
die(1, "couldn't find lexem \"foo\":");
if (sym->symtype != S_INTCONST)
die(1, "symtype of \"foo\" is not S_INTCONST");
if ((sym = findsym(symtab, "bar")) == NULL)
die(1, "couldn't find lexem \"bar\":");
if (sym->symtype != S_INTCONST)
die(1, "symtype of \"bar\" is not S_INTCONST");
if ((sym = findsym(symtab, "baz")) == NULL)
die(1, "couldn't find lexem \"baz\":");
if (sym->symtype != S_INTCONST)
die(1, "symtype of \"baz\" is not S_INTCONST");
freesymtab(symtab);
return 0;
}
int main( int argc, char *argv[] )
{
const char *fs = NULL;
char **eargv = NULL;
int eargc;
setlocale( LC_CTYPE, "" );
setlocale( LC_NUMERIC, "C" ); /* for parsing cmdline & prog */
cmdname = argv[0];
if( argc == 1 ) {
fprintf( stderr,
"usage: %s [-F fs] [-v var=value] [-f progfile | 'prog'] [file ...]\n",
cmdname );
exit( 1 );
}
signal( SIGFPE, fpecatch );
srand_seed = 1;
srand( (unsigned)srand_seed );
yyin = NULL;
symtab = makesymtab( NSYMTAB/NSYMTAB );
if( argc == 2 && argv[1][0] == '@' && argv[1][1] != '\0' ) {
const char *env;
env = getenv( &argv[1][1] );
if( env != NULL ) {
eargc = ParseEnvVar( env, NULL, NULL ); // count parameters.
eargv = malloc( eargc * sizeof( char * ) + strlen( env ) + 1 + eargc );
ParseEnvVar( env, eargv, (char *)( eargv + eargc ) );
argc = eargc;
argv = eargv;
}
}
while( argc > 1 && argv[1][0] == '-' && argv[1][1] != '\0' ) {
if( strcmp( argv[1], "-version" ) == 0 || strcmp( argv[1], "--version" ) == 0 ) {
printf( "awk %s\n", version );
exit( 0 );
break;
}
if( strncmp( argv[1], "--", 2 ) == 0 ) { /* explicit end of args */
argc--;
argv++;
break;
}
switch( argv[1][1] ) {
case 's':
if( strcmp( argv[1], "-safe" ) == 0 )
safe = true;
break;
case 'f': /* next argument is program filename */
if( argv[1][2] != '\0' ) { /* arg is -fsomething */
if( npfile >= MAX_PFILE - 1 ) {
FATAL( "too many -f options" );
}
pfile[npfile++] = unquote( &argv[1][2] );
} else { /* arg is -f something */
argc--; argv++;
if( argc <= 1 ) {
FATAL( "no program filename" );
}
if( npfile >= MAX_PFILE - 1 ) {
FATAL( "too many -f options" );
}
pfile[npfile++] = unquote( argv[1] );
}
break;
case 'F': /* set field separator */
if( argv[1][2] != '\0' ) { /* arg is -Fsomething */
if( argv[1][2] == 't' && argv[1][3] == '\0' ) { /* wart: t=>\t */
fs = "\t";
} else if( argv[1][2] != '\0' ) {
fs = &argv[1][2];
}
} else { /* arg is -F something */
argc--; argv++;
if( argc > 1 && argv[1][0] == 't' && argv[1][1] == '\0' ) { /* wart: t=>\t */
fs = "\t";
} else if( argc > 1 && argv[1][0] != '\0' ) {
fs = &argv[1][0];
}
}
if( fs == NULL || *fs == '\0' )
WARNING( "field separator FS is empty" );
break;
case 'v': /* -v a=1 to be done NOW. one -v for each */
if( argv[1][2] != '\0' ) { /* arg is -vsomething */
char *p;
p = unquote( &argv[1][2] );
if( isclvar( p ) ) {
setclvar( p );
} else {
FATAL( "invalid -v option argument: %s", p );
}
} else { /* arg is -v something */
char *p;
argc--; argv++;
if( argc <= 1 ) {
FATAL( "no variable name" );
}
p = unquote( argv[1] );
if( isclvar( p ) ) {
setclvar( p );
} else {
FATAL( "invalid -v option argument: %s", p );
}
}
break;
case 'd':
dbg = atoi( &argv[1][2] );
if( dbg == 0 )
dbg = 1;
printf( "awk %s\n", version );
break;
default:
WARNING( "unknown option %s ignored", argv[1] );
break;
}
argc--;
argv++;
}
/* argv[1] is now the first argument */
if( npfile == 0 ) { /* no -f; first argument is program */
char *p;
if( argc <= 1 ) {
if( dbg )
exit( 0 );
FATAL( "no program given" );
}
p = unquote( argv[1] );
dprintf(( "program = |%s|\n", p ));
lexprog = p;
argc--;
argv++;
}
for( eargc = 1; eargc < argc; ++eargc ) {
argv[eargc] = unquote( argv[eargc] );
}
recinit( recsize );
syminit();
compile_time = 1;
argv[0] = cmdname; /* put prog name at front of arglist */
dprintf(( "argc=%d, argv[0]=%s\n", argc, argv[0] ));
arginit( argc, argv );
if( !safe )
envinit( environ );
yyparse();
setlocale( LC_NUMERIC, "" ); /* back to whatever it is locally */
if( fs )
*FS = qstring( fs, '\0' );
dprintf(( "errorflag=%d\n", errorflag ));
if( errorflag == 0 ) {
compile_time = 0;
run( winner );
} else {
bracecheck();
}
return( errorflag );
}
int main(int argc, char *argv[])
{
const char *fs = NULL;
setlocale(LC_CTYPE, "");
setlocale(LC_NUMERIC, "C"); /* for parsing cmdline & prog */
cmdname = argv[0];
if (argc == 1) {
fprintf(stderr,
"usage: %s [-F fs] [-v var=value] [-f progfile | 'prog'] [file ...]\n",
cmdname);
exit(1);
}
signal(SIGFPE, fpecatch);
yyin = NULL;
symtab = makesymtab(NSYMTAB/NSYMTAB);
while (argc > 1 && argv[1][0] == '-' && argv[1][1] != '\0') {
if (strcmp(argv[1],"-version") == 0 || strcmp(argv[1],"--version") == 0) {
printf("awk %s\n", version);
exit(0);
break;
}
if (strncmp(argv[1], "--", 2) == 0) { /* explicit end of args */
argc--;
argv++;
break;
}
switch (argv[1][1]) {
case 's':
if (strcmp(argv[1], "-safe") == 0)
safe = 1;
break;
case 'f': /* next argument is program filename */
argc--;
argv++;
if (argc <= 1)
FATAL("no program filename");
if (npfile >= MAX_PFILE - 1)
FATAL("too many -f options");
pfile[npfile++] = argv[1];
break;
case 'F': /* set field separator */
if (argv[1][2] != 0) { /* arg is -Fsomething */
if (argv[1][2] == 't' && argv[1][3] == 0) /* wart: t=>\t */
fs = "\t";
else if (argv[1][2] != 0)
fs = &argv[1][2];
} else { /* arg is -F something */
argc--; argv++;
if (argc > 1 && argv[1][0] == 't' && argv[1][1] == 0) /* wart: t=>\t */
fs = "\t";
else if (argc > 1 && argv[1][0] != 0)
fs = &argv[1][0];
}
if (fs == NULL || *fs == '\0')
WARNING("field separator FS is empty");
break;
case 'v': /* -v a=1 to be done NOW. one -v for each */
if (argv[1][2] == '\0' && --argc > 1 && isclvar((++argv)[1]))
setclvar(argv[1]);
break;
case 'd':
dbg = atoi(&argv[1][2]);
if (dbg == 0)
dbg = 1;
printf("awk %s\n", version);
break;
default:
WARNING("unknown option %s ignored", argv[1]);
break;
}
argc--;
argv++;
}
/* argv[1] is now the first argument */
if (npfile == 0) { /* no -f; first argument is program */
if (argc <= 1) {
if (dbg)
exit(0);
FATAL("no program given");
}
dprintf( ("program = |%s|\n", argv[1]) );
lexprog = argv[1];
argc--;
argv++;
}
recinit(recsize);
syminit();
compile_time = 1;
argv[0] = cmdname; /* put prog name at front of arglist */
dprintf( ("argc=%d, argv[0]=%s\n", argc, argv[0]) );
arginit(argc, argv);
if (!safe)
envinit(environ);
yyparse();
setlocale(LC_NUMERIC, ""); /* back to whatever it is locally */
if (fs)
*FS = qstring(fs, '\0');
dprintf( ("errorflag=%d\n", errorflag) );
if (errorflag == 0) {
compile_time = 0;
run(winner);
} else
bracecheck();
return(errorflag);
}
int main(int argc, const char *argv[])
{
const char *fs = NULL, *marg;
int temp;
__progname = argv[0];
_wildcard(&argc, &argv);
setlocale(LC_ALL, "");
cmdname = __progname;
if (argc == 1) {
fprintf(stderr, "Usage: %s [-f programfile | 'program'] [-Ffieldsep] [-v var=value] [-safe] [-mrn] [-mfn] [files]\n", cmdname);
exit(1);
}
signal(SIGFPE, fpecatch);
yyin = NULL;
symtab = makesymtab(NSYMTAB);
while (argc > 1 && argv[1][0] == '-' && argv[1][1] != '\0') {
if (strcmp(argv[1], "--") == 0) { /* explicit end of args */
argc--;
argv++;
break;
}
switch (argv[1][1]) {
case 's':
if (strcmp(argv[1], "-safe") == 0)
safe = 1;
break;
case 'f': /* next argument is program filename */
argc--;
argv++;
if (argc <= 1)
ERROR "no program filename" FATAL;
pfile[npfile++] = argv[1];
break;
case 'F': /* set field separator */
if (argv[1][2] != 0) { /* arg is -Fsomething */
if (argv[1][2] == 't' && argv[1][3] == 0) /* wart: t=>\t */
fs = "\t";
else if (argv[1][2] != 0)
fs = &argv[1][2];
} else { /* arg is -F something */
argc--; argv++;
if (argc > 1 && argv[1][0] == 't' && argv[1][1] == 0) /* wart: t=>\t */
fs = "\t";
else if (argc > 1 && argv[1][0] != 0)
fs = &argv[1][0];
}
if (fs == NULL || *fs == '\0')
ERROR "field separator FS is empty" WARNING;
break;
case 'v': /* -v a=1 to be done NOW. one -v for each */
if (argv[1][2] == '\0' && --argc > 1 && isclvar((++argv)[1]))
setclvar((char*)argv[1]);
break;
case 'm': /* more memory: -mr=record, -mf=fields */
/* no longer needed */
marg = argv[1];
if (argv[1][3])
temp = atoi(&argv[1][3]);
else {
argv++; argc--;
temp = atoi(&argv[1][0]);
}
switch (marg[2]) {
case 'r': recsize = temp; break;
case 'f': nfields = temp; break;
default: ERROR "unknown option %s\n", marg FATAL;
}
break;
case 'd':
dbg = atoi(&argv[1][2]);
if (dbg == 0)
dbg = 1;
printf("awk %s\n", version);
break;
case 'V': /* added for exptools "standard" */
printf("awk %s\n", version);
exit(0);
break;
default:
ERROR "unknown option %s ignored", argv[1] WARNING;
break;
}
argc--;
argv++;
}
/* argv[1] is now the first argument */
if (npfile == 0) { /* no -f; first argument is program */
if (argc <= 1) {
if (dbg)
exit(0);
ERROR "no program given" FATAL;
}
dprintf( ("program = |%s|\n", argv[1]) );
lexprog = argv[1];
argc--;
argv++;
}
recinit(recsize);
syminit();
compile_time = 1;
argv[0] = cmdname; /* put prog name at front of arglist */
dprintf( ("argc=%d, argv[0]=%s\n", argc, argv[0]) );
arginit(argc, argv);
if (!safe)
envinit(environ);
yyparse();
if (fs)
*FS = qstring(fs, '\0');
dprintf( ("errorflag=%d\n", errorflag) );
if (errorflag == 0) {
compile_time = 0;
run(winner);
} else
bracecheck();
return(errorflag);
}
