diff options
Diffstat (limited to 'usr.bin/m4/eval.c')
| -rw-r--r-- | usr.bin/m4/eval.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/usr.bin/m4/eval.c b/usr.bin/m4/eval.c index e424815..d2ac3c8 100644 --- a/usr.bin/m4/eval.c +++ b/usr.bin/m4/eval.c @@ -717,22 +717,22 @@ register int argc; register unsigned char *ap, *fc, *k; register int nc; + ap = argv[2]; /* target string */ +#ifdef EXPR + fc = ap + expr(argv[3]); /* first char */ +#else + fc = ap + atoi(argv[3]); /* first char */ +#endif if (argc < 5) - nc = MAXTOK; + nc = strlen(fc); else #ifdef EXPR nc = expr(argv[4]); #else nc = atoi(argv[4]); #endif - ap = argv[2]; /* target string */ -#ifdef EXPR - fc = ap + expr(argv[3]); /* first char */ -#else - fc = ap + atoi(argv[3]); /* first char */ -#endif if (fc >= ap && fc < ap + strlen(ap)) - for (k = fc + min(nc, strlen(fc)) - 1; k >= fc; k--) + for (k = fc + nc - 1; k >= fc; k--) putback(*k); } |
