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authorRob Landley <rob@landley.net>2020-11-14 23:39:18 -0600
committerRob Landley <rob@landley.net>2020-11-14 23:39:18 -0600
commit52bbc1e0a410b44a926b04aaae3b00f9f50da81e (patch)
treea909959953794b6faafc2731b1bcccfbb5faf941 /lib
parent3e28f611e452b52b21360c56dbf250d242bbb4a5 (diff)
downloadtoybox-52bbc1e0a410b44a926b04aaae3b00f9f50da81e.tar.gz
Allow 0 prefix to optstr to include argv[0] in optargs[0].
Diffstat (limited to 'lib')
-rw-r--r--lib/args.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/args.c b/lib/args.c
index 83bceaf0..ac83a0fe 100644
--- a/lib/args.c
+++ b/lib/args.c
@@ -76,6 +76,7 @@
// >9 die if > # leftover arguments (default MAX_INT)
// ? Allow unknown arguments (pass them through to command).
// & first arg has imaginary dash (ala tar/ps/ar) which sets FLAGS_NODASH
+// 0 Include argv[0] in optargs
//
// At the end: [groups] of previously seen options
// - Only one in group (switch off) [-abc] means -ab=-b, -ba=-a, -abc=-c
@@ -226,17 +227,17 @@ static int gotflag(struct getoptflagstate *gof, struct opts *opt)
// Parse this command's options string into struct getoptflagstate, which
// includes a struct opts linked list in reverse order (I.E. right-to-left)
-void parse_optflaglist(struct getoptflagstate *gof)
+int parse_optflaglist(struct getoptflagstate *gof)
{
char *options = toys.which->options;
long *nextarg = (long *)&this;
struct opts *new = 0;
- int idx;
+ int idx, rc = 0;
// Parse option format string
memset(gof, 0, sizeof(struct getoptflagstate));
gof->maxargs = INT_MAX;
- if (!options) return;
+ if (!options) return 0;
// Parse leading special behavior indicators
for (;;) {
@@ -245,6 +246,7 @@ void parse_optflaglist(struct getoptflagstate *gof)
else if (*options == '>') gof->maxargs=*(++options)-'0';
else if (*options == '?') gof->noerror++;
else if (*options == '&') gof->nodash_now = 1;
+ else if (*options == '0') rc = 1;
else break;
options++;
}
@@ -371,6 +373,8 @@ void parse_optflaglist(struct getoptflagstate *gof)
}
}
}
+
+ return rc;
}
// Fill out toys.optflags, toys.optargs, and this[] from toys.argv
@@ -388,11 +392,10 @@ void get_optflags(void)
toys.exitval = toys.which->flags >> 24;
// Allocate memory for optargs
- saveflags = 0;
+ saveflags = toys.optc = parse_optflaglist(&gof);
while (toys.argv[saveflags++]);
toys.optargs = xzalloc(sizeof(char *)*saveflags);
-
- parse_optflaglist(&gof);
+ if (toys.optc) *toys.optargs = *toys.argv;
if (toys.argv[1] && toys.argv[1][0] == '-') gof.nodash_now = 0;