From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- capstone/cstool/getopt.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 capstone/cstool/getopt.c (limited to 'capstone/cstool/getopt.c') diff --git a/capstone/cstool/getopt.c b/capstone/cstool/getopt.c new file mode 100644 index 000000000..f4404c168 --- /dev/null +++ b/capstone/cstool/getopt.c @@ -0,0 +1,76 @@ +#include +#include + +#include "getopt.h" + +int opterr = 1, /* if error message should be printed */ +optind = 1, /* index into parent argv vector */ +optopt, /* character checked for validity */ +optreset; /* reset getopt */ +const char *optarg; /* argument associated with option */ + +#define BADCH (int)'?' +#define BADARG (int)':' +#define EMSG "" + +/* + * getopt -- + * Parse argc/argv argument vector. + */ +int getopt (int nargc, char * const nargv[], const char *ostr) +{ + static const char *place = EMSG; /* option letter processing */ + const char *oli; /* option letter list index */ + + if (optreset || !*place) { /* update scanning pointer */ + optreset = 0; + if (optind >= nargc || *(place = nargv[optind]) != '-') { + place = EMSG; + return (-1); + } + + if (place[1] && *++place == '-') { /* found "--" */ + ++optind; + place = EMSG; + return (-1); + } + } /* option letter okay? */ + + if ((optopt = (int)*place++) == (int)':' || + !(oli = strchr (ostr, optopt))) { + /* + * if the user didn't specify '-' as an option, + * assume it means -1. + */ + if (optopt == (int)'-') + return (-1); + if (!*place) + ++optind; + if (opterr && *ostr != ':') + (void)printf ("illegal option -- %c\n", optopt); + return (BADCH); + } + + if (*++oli != ':') { /* don't need argument */ + optarg = NULL; + if (!*place) + ++optind; + } else { /* need an argument */ + if (*place) /* no white space */ + optarg = place; + else if (nargc <= ++optind) { /* no arg */ + place = EMSG; + if (*ostr == ':') + return (BADARG); + if (opterr) + (void)printf ("option requires an argument -- %c\n", optopt); + return (BADCH); + } else /* white space */ + optarg = nargv[optind]; + place = EMSG; + ++optind; + } + + return optopt; /* dump back option letter */ +} + -- cgit