56 lines
1.0 KiB
C
56 lines
1.0 KiB
C
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/* Copyright (C) 2012 Connor Olding
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*
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* This program is licensed under the terms of the MIT License, and
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* is distributed without any warranty. You should have received a
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* copy of the license along with this program; see the file LICENSE.
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*/
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#include "args.h"
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#include <stddef.h>
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static int argc, argi;
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static char** argv, * flag;
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static char* nextarg()
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{
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char* temp = flag;
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flag = NULL;
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if (temp[1])
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return temp + 1;
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if (++argi == argc)
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return NULL;
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return argv[argi];
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}
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void args_parse(int argc_, char** argv_,
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void flagfn(char, char*()), void plainfn(char*))
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{
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argc = argc_;
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argv = argv_;
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for (argi = 1; argi < argc; argi++) {
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char* arg = argv[argi];
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if (!arg[0])
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continue;
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/* if ... || arg == "-" */
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if (arg[0] != '-' || !arg[1]) {
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if (plainfn)
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plainfn(arg);
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continue;
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}
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/* if arg == "--" */
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if (arg[1] == '-' && !arg[2])
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break;
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for (flag = arg + 1; *flag; flag++) {
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flagfn(*flag, nextarg);
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if (!flag)
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break;
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}
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}
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for (; argi < argc; argi++)
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if (plainfn)
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plainfn(argv[argi]);
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}
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