From 9d84dc3564a6bc2e4a9ac83c0c84e7e295b420a4 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Sat, 10 Mar 2018 20:22:52 -0600 Subject: Add a way for commands to distinguish "ps -ax" from "ps ax". --- lib/args.c | 9 ++++----- lib/lib.h | 1 + 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/lib/args.c b/lib/args.c index 00932de9..7b9350f8 100644 --- a/lib/args.c +++ b/lib/args.c @@ -76,8 +76,7 @@ // <0 die if less than # leftover arguments (default 0) // >9 die if > # leftover arguments (default MAX_INT) // ? Allow unknown arguments (pass them through to command). -// & first argument has imaginary dash (ala tar/ps) -// If given twice, all arguments have imaginary dash +// & first arg has imaginary dash (ala tar/ps/ar) which sets FLAGS_NODASH // // At the end: [groups] of previously seen options // - Only one in group (switch off) [-abc] means -ab=-b, -ba=-a, -abc=-c @@ -120,7 +119,7 @@ struct longopts { // State during argument parsing. struct getoptflagstate { - int argc, minargs, maxargs, nodash; + int argc, minargs, maxargs; char *arg; struct opts *opts; struct longopts *longopts; @@ -244,7 +243,7 @@ void parse_optflaglist(struct getoptflagstate *gof) else if (*options == '<') gof->minargs=*(++options)-'0'; else if (*options == '>') gof->maxargs=*(++options)-'0'; else if (*options == '?') gof->noerror++; - else if (*options == '&') gof->nodash++; + else if (*options == '&') toys.optflags |= FLAGS_NODASH; else break; options++; } @@ -444,7 +443,7 @@ void get_optflags(void) // Handle things that don't start with a dash. } else { - if (gof.nodash && (gof.nodash>1 || gof.argc == 1)) gof.nodash_now = 1; + if ((toys.optflags & FLAGS_NODASH) && gof.argc == 1) gof.nodash_now = 1; else goto notflag; } diff --git a/lib/lib.h b/lib/lib.h index 939d6127..4b44545e 100644 --- a/lib/lib.h +++ b/lib/lib.h @@ -53,6 +53,7 @@ struct num_cache *add_num_cache(struct num_cache **cache, long long num, void *data, int len); // args.c +#define FLAGS_NODASH (1LL<<63) void get_optflags(void); // dirtree.c -- cgit v1.2.3