From d8aee674929b7579e9c4c2b51cb83ed1006eec8f Mon Sep 17 00:00:00 2001 From: Bart Schaefer Date: Sun, 8 Jul 2001 00:33:45 +0000 Subject: Fix infinite loop on `r OLD=NEW' when OLD is the empty string. --- Src/builtin.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Src/builtin.c b/Src/builtin.c index 110a264f2..11324a0cd 100644 --- a/Src/builtin.c +++ b/Src/builtin.c @@ -1250,6 +1250,10 @@ bin_fc(char *nam, char **argv, char *ops, int func) while (*argv && equalsplit(*argv, &s)) { Asgment a = (Asgment) zhalloc(sizeof *a); + if (!**argv) { + zwarnnam(nam, "invalid replacement pattern: =%s", s, 0); + return 1; + } if (!asgf) asgf = asgl = a; else { -- cgit 1.4.1