src/bin/expr/expr.y - diff

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version 1.6, 1993/06/14 19:59:07

version 1.7, 1993/07/20 00:29:41

Line 542 struct val *a, *b;

regmatch_t rm[SE_MAX];

char errbuf[256];

int eval;

char *newpat;

struct val *v;

/* patterns are anchored to the beginning of the line */

/* coerce to both arguments to strings */

newpat = malloc (strlen (b->u.s) + 2);

to_string(a);

strcpy (newpat, "^");

to_string(b);

strcat (newpat, b->u.s);

/* compile regular expression */

if ((eval = regcomp (&rp, newpat, 0)) != 0) {

if ((eval = regcomp (&rp, b->u.s, 0)) != 0) {

regerror (eval, &rp, errbuf, sizeof(errbuf));

fprintf (stderr, "expr: %s\n", errbuf);

exit (2);