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sh: In getopts, unset OPTARG where POSIX says we should.

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This commit is contained in:
Jilles Tjoelker 2014-05-10 19:18:49 +00:00
parent ca5e4fe970
commit c8fb3e69d0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=265849
4 changed files with 26 additions and 13 deletions
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25
bin/sh/options.c
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@ -446,6 +446,7 @@ getopts(char *optstr, char *optvar, char **optfirst, char ***optnext,
int ind = 0;
int err = 0;
char s[10];
const char *optarg = NULL;
if ((p = *optptr) == NULL || *p == '\0') {
/* Current word is done, advance */
@ -471,14 +472,10 @@ getopts(char *optstr, char *optvar, char **optfirst, char ***optnext,
if (optstr[0] == ':') {
s[0] = c;
s[1] = '\0';
err |= setvarsafe("OPTARG", s, 0);
optarg = s;
}
else {
else
out2fmt_flush("Illegal option -%c\n", c);
INTOFF;
(void) unsetvar("OPTARG");
INTON;
}
c = '?';
goto out;
}
@ -491,14 +488,11 @@ getopts(char *optstr, char *optvar, char **optfirst, char ***optnext,
if (optstr[0] == ':') {
s[0] = c;
s[1] = '\0';
err |= setvarsafe("OPTARG", s, 0);
optarg = s;
c = ':';
}
else {
out2fmt_flush("No arg for -%c option\n", c);
INTOFF;
(void) unsetvar("OPTARG");
INTON;
c = '?';
}
goto out;
@ -506,16 +500,21 @@ getopts(char *optstr, char *optvar, char **optfirst, char ***optnext,
if (p == **optnext)
(*optnext)++;
setvarsafe("OPTARG", p, 0);
optarg = p;
p = NULL;
}
else
setvarsafe("OPTARG", "", 0);
out:
if (*optnext != NULL)
ind = *optnext - optfirst + 1;
*optptr = p;
if (optarg != NULL)
err |= setvarsafe("OPTARG", optarg, 0);
else {
INTOFF;
err |= unsetvar("OPTARG");
INTON;
}
fmtstr(s, sizeof(s), "%d", ind);
err |= setvarsafe("OPTIND", s, VNOFUNC);
s[0] = c;

1
bin/sh/tests/builtins/Makefile
View File

@ -85,6 +85,7 @@ FILES+= getopts4.0
FILES+= getopts5.0
FILES+= getopts6.0
FILES+= getopts7.0
FILES+= getopts8.0 getopts8.0.stdout
FILES+= hash1.0 hash1.0.stdout
FILES+= hash2.0 hash2.0.stdout
FILES+= hash3.0 hash3.0.stdout

8
bin/sh/tests/builtins/getopts8.0 Normal file
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@ -0,0 +1,8 @@
# $FreeBSD$
set -- -yz -wx
opt=wrong1 OPTARG=wrong2
while getopts :x opt; do
echo "$opt:${OPTARG-unset}"
done
echo "OPTIND=$OPTIND"

5
bin/sh/tests/builtins/getopts8.0.stdout Normal file
View File

@ -0,0 +1,5 @@
?:y
?:z
?:w
x:unset
OPTIND=3