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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-10-06 18:59:31 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-10-06 18:59:31 +0800 |
| commit | 82a74acd4885849e1e5684002d78e55deb6a6843 (patch) | |
| tree | 6c1f33a1ad6795b4d7bfa94c8fe07e9e287bc8fa /src/options.c | |
| parent | [MEMALLOC] Add pushstackmark (diff) | |
| download | dash-82a74acd4885849e1e5684002d78e55deb6a6843.tar.gz dash-82a74acd4885849e1e5684002d78e55deb6a6843.zip | |
[BUILTIN] Treat OPTIND=0 in the same way as OPTIND=1
Previously setting OPTIND to 0 would cause subsequent getopts calls to fail. This patch makes dash reset the getopts parameters the same way as OPTIND=1. Both behaviours are allowed by POSIX but other common shells do tolerate this case.
Diffstat (limited to 'src/options.c')
| -rw-r--r-- | src/options.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/options.c b/src/options.c index 85f1406..045345a 100644 --- a/src/options.c +++ b/src/options.c @@ -377,7 +377,7 @@ void getoptsreset(value) const char *value; { - shellparam.optind = number(value); + shellparam.optind = number(value) ?: 1; shellparam.optoff = -1; } @@ -424,8 +424,6 @@ getopts(char *optstr, char *optvar, char **optfirst, int *optind, int *optoff) char s[12]; char **optnext; - if (*optind < 1) - return 1; optnext = optfirst + *optind - 1; if (*optind <= 1 || *optoff < 0 || strlen(optnext[-1]) < *optoff) |