From b72cd07f176b876aa51864d93aa8101477b1d732 Mon Sep 17 00:00:00 2001 From: Gianluca Anzolin Date: Tue, 25 Nov 2014 08:56:03 +0100 Subject: add support for non-option arguments extension to getopt this is a GNU extension, activated by including '-' as the first character of the options string, whereby non-option arguments are processed as if they were arguments to an option character '\1' rather than ending option processing. --- src/misc/getopt.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'src/misc/getopt.c') diff --git a/src/misc/getopt.c b/src/misc/getopt.c index f94c4f70..a698c8d4 100644 --- a/src/misc/getopt.c +++ b/src/misc/getopt.c @@ -24,8 +24,20 @@ int getopt(int argc, char * const argv[], const char *optstring) optind = 1; } - if (optind >= argc || !argv[optind] || argv[optind][0] != '-' || !argv[optind][1]) + if (optind >= argc || !argv[optind]) return -1; + + if (argv[optind][0] != '-') { + if (optstring[0] == '-') { + optarg = argv[optind++]; + return 1; + } + return -1; + } + + if (!argv[optind][1]) + return -1; + if (argv[optind][1] == '-' && !argv[optind][2]) return optind++, -1; @@ -43,6 +55,9 @@ int getopt(int argc, char * const argv[], const char *optstring) optpos = 0; } + if (optstring[0] == '-') + optstring++; + for (i=0; (l = mbtowc(&d, optstring+i, MB_LEN_MAX)) && d!=c; i+=l>0?l:1); if (d != c) { -- cgit v1.2.1