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Fix infinite loop on `r OLD=NEW' when OLD is the empty string.

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This commit is contained in:
Bart Schaefer 2001-07-08 00:33:45 +00:00
parent 22faf1fa4b
commit d8aee67492
1 changed files with 4 additions and 0 deletions
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4
Src/builtin.c
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@ -1250,6 +1250,10 @@ bin_fc(char *nam, char **argv, char *ops, int func)
while (*argv && equalsplit(*argv, &s)) { while (*argv && equalsplit(*argv, &s)) {
Asgment a = (Asgment) zhalloc(sizeof *a); Asgment a = (Asgment) zhalloc(sizeof *a);
if (!**argv) {
zwarnnam(nam, "invalid replacement pattern: =%s", s, 0);
return 1;
}
if (!asgf) if (!asgf)
asgf = asgl = a; asgf = asgl = a;
else { else {