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81f962f3d

Denys Vlasenko
Denys Vlasenko
2017-08-11
SUCCESS Duration: 146s

Subject

hush: teach getopts to set/unset OPTARG

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Architecture & Compiler Flags

Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

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Commit Diff GitHub →

shell/ash_test/ash-getopts/getopt_optarg.right +18 -0shell/ash_test/ash-getopts/getopt_optarg.tests +16 -0shell/hush.c +5 -5shell/hush_test/hush-getopts/getopt_optarg.right +18 -0shell/hush_test/hush-getopts/getopt_optarg.tests +16 -0shell/hush_test/hush-getopts/getopt_positional.tests +0 -1
shell/ash_test/ash-getopts/getopt_optarg.right+18 -0
@@ -0,0 +1,18 @@
+*** no OPTIND, optstring:'w:et' args:-q -w e -r -t -y
+Illegal option -q
+var:'?' OPTIND:2 OPTARG:''
+var:'w' OPTIND:4 OPTARG:'e'
+Illegal option -r
+var:'?' OPTIND:5 OPTARG:''
+var:'t' OPTIND:6 OPTARG:''
+Illegal option -y
+var:'?' OPTIND:7 OPTARG:''
+exited: var:'?' OPTIND:7 OPTARG:''
+*** OPTIND=0, optstring:'w:et' args:-w 1 -w2 -w -e -e -t -t
+var:'w' OPTIND:3 OPTARG:'1'
+var:'w' OPTIND:4 OPTARG:'2'
+var:'w' OPTIND:6 OPTARG:'-e'
+var:'e' OPTIND:7 OPTARG:''
+var:'t' OPTIND:8 OPTARG:''
+var:'t' OPTIND:9 OPTARG:''
+exited: var:'?' OPTIND:9 OPTARG:''
shell/ash_test/ash-getopts/getopt_optarg.tests+16 -0
@@ -0,0 +1,16 @@
+set -- -q -w e -r -t -y
+echo "*** no OPTIND, optstring:'w:et' args:$*"
+var=QWERTY
+OPTARG=ASDFGH
+while getopts "w:et" var; do
+ echo "var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+done
+echo "exited: var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+
+set -- -w 1 -w2 -w -e -e -t -t
+echo "*** OPTIND=0, optstring:'w:et' args:$*"
+OPTIND=0
+while getopts "w:et" var; do
+ echo "var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+done
+echo "exited: var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
shell/hush.c+5 -5
@@ -9874,11 +9874,6 @@ static int FAST_FUNC builtin_getopts(char **argv)
{
/*
TODO:
-if a character is followed by a colon, the option is expected to have
-an argument, which should be separated from it by white space.
-When an option requires an argument, getopts places that argument into
-the variable OPTARG.
-
If an invalid option is seen, getopts places ? into VAR and, if
not silent, prints an error message and unsets OPTARG. If
getopts is silent, the option character found is placed in
@@ -9906,6 +9901,7 @@ Test that VAR is a valid variable name?
opterr = cp ? atoi(cp) : 1;
cp = get_local_var_value("OPTIND");
optind = cp ? atoi(cp) : 0;
+ optarg = NULL;
/* getopts stops on first non-option. Add "+" to force that */
/*if (optstring[0] != '+')*/ {
@@ -9924,6 +9920,10 @@ Test that VAR is a valid variable name?
exitcode = EXIT_FAILURE;
c = '?';
}
+ if (optarg)
+ set_local_var_from_halves("OPTARG", optarg);
+ else
+ unset_local_var("OPTARG");
cbuf[0] = c;
cbuf[1] = '\0';
set_local_var_from_halves(var, cbuf);
shell/hush_test/hush-getopts/getopt_optarg.right+18 -0
@@ -0,0 +1,18 @@
+*** no OPTIND, optstring:'w:et' args:-q -w e -r -t -y
+./getopt_optarg.tests: invalid option -- q
+var:'?' OPTIND:2 OPTARG:''
+var:'w' OPTIND:4 OPTARG:'e'
+./getopt_optarg.tests: invalid option -- r
+var:'?' OPTIND:5 OPTARG:''
+var:'t' OPTIND:6 OPTARG:''
+./getopt_optarg.tests: invalid option -- y
+var:'?' OPTIND:7 OPTARG:''
+exited: var:'?' OPTIND:7 OPTARG:''
+*** OPTIND=0, optstring:'w:et' args:-w 1 -w2 -w -e -e -t -t
+var:'w' OPTIND:3 OPTARG:'1'
+var:'w' OPTIND:4 OPTARG:'2'
+var:'w' OPTIND:6 OPTARG:'-e'
+var:'e' OPTIND:7 OPTARG:''
+var:'t' OPTIND:8 OPTARG:''
+var:'t' OPTIND:9 OPTARG:''
+exited: var:'?' OPTIND:9 OPTARG:''
shell/hush_test/hush-getopts/getopt_optarg.tests+16 -0
@@ -0,0 +1,16 @@
+set -- -q -w e -r -t -y
+echo "*** no OPTIND, optstring:'w:et' args:$*"
+var=QWERTY
+OPTARG=ASDFGH
+while getopts "w:et" var; do
+ echo "var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+done
+echo "exited: var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+
+set -- -w 1 -w2 -w -e -e -t -t
+echo "*** OPTIND=0, optstring:'w:et' args:$*"
+OPTIND=0
+while getopts "w:et" var; do
+ echo "var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+done
+echo "exited: var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
shell/hush_test/hush-getopts/getopt_positional.tests+0 -1
@@ -4,5 +4,4 @@ var=QWERTY
while getopts "we" var; do
echo "var:'$var' OPTIND:$OPTIND"
done
-# unfortunately, "rc:0" is shown since while's overall exitcode is "success"
echo "exited: var:'$var' OPTIND:$OPTIND"