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annotate mlk-bcc/arg.h @ 582:8a7648480e2d

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mlk-bcc: named mlk-bcc in molko
author David Demelier <markand@malikania.fr>
date Mon, 13 Mar 2023 13:01:21 +0100
parents 556c8e2ff995
children f2aff78644db
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copy me if you can.
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3 * by 20h
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4 */
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5
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6 #ifndef ARG_H__
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7 #define ARG_H__
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8
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9 extern char *argv0;
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10
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11 /* use main(int argc, char *argv[]) */
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12 #define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
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13 argv[0] && argv[0][0] == '-'\
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14 && argv[0][1];\
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15 argc--, argv++) {\
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16 char argc_;\
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17 char **argv_;\
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18 int brk_;\
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19 if (argv[0][1] == '-' && argv[0][2] == '\0') {\
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20 argv++;\
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21 argc--;\
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22 break;\
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23 }\
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24 for (brk_ = 0, argv[0]++, argv_ = argv;\
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25 argv[0][0] && !brk_;\
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26 argv[0]++) {\
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27 if (argv_ != argv)\
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28 break;\
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29 argc_ = argv[0][0];\
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30 switch (argc_)
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31
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32 #define ARGEND }\
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33 }
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34
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35 #define ARGC() argc_
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36
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37 #define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
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38 ((x), abort(), (char *)0) :\
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39 (brk_ = 1, (argv[0][1] != '\0')?\
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40 (&argv[0][1]) :\
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41 (argc--, argv++, argv[0])))
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42
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43 #define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
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44 (char *)0 :\
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45 (brk_ = 1, (argv[0][1] != '\0')?\
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46 (&argv[0][1]) :\
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47 (argc--, argv++, argv[0])))
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48
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49 #endif