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arg.h - sent - simple plaintext presentation tool |
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git clone git://git.suckless.org/sent |
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arg.h (2443B) |
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1 /* |
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2 * ISC-License |
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3 * |
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4 * Copyright 2017 Laslo Hunhold <[email protected]> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for … |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANT… |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE F… |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT … |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 #ifndef ARG_H |
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19 #define ARG_H |
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20 |
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21 extern char *argv0; |
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22 |
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23 /* int main(int argc, char *argv[]) */ |
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24 #define ARGBEGIN for (argv0 = *argv, *argv ? (argc--, argv++) : ((void *… |
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25 *argv && (*argv)[0] == '-' && (*argv)[1]; argc--, … |
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26 int i_, argused_; … |
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27 if ((*argv)[1] == '-' && !(*argv)[2]) { … |
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28 argc--, argv++; … |
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29 break; … |
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30 } … |
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31 for (i_ = 1, argused_ = 0; (*argv)[i_]; i_++) {… |
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32 switch((*argv)[i_]) |
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33 #define ARGEND if (argused_) { … |
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34 if ((*argv)[i_ + 1]) { … |
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35 break; … |
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36 } else { … |
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37 argc--, argv++; … |
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38 break; … |
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39 } … |
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40 } … |
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41 } … |
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42 } |
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43 #define ARGC() ((*argv)[i_]) |
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44 #define ARGF_(x) (((*argv)[i_ + 1]) ? (argused_ = 1, &((*argv)[i_ + 1]))… |
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45 (*(argv + 1)) ? (argused_ = 1, *(argv + 1)) … |
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46 #define EARGF(x) ARGF_(((x), exit(1), (char *)0)) |
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47 #define ARGF() ARGF_((char *)0) |
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48 |
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49 #endif |
