| Revision 12455,
784 bytes
checked in by danw, 26 years ago
(diff) |
|
This commit was generated by cvs2svn to compensate for changes in r12454,
which included commits to RCS files with non-trunk default branches.
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| Rev | Line | |
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| [12454] | 1 | |
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| 2 | /* |
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| 3 | * smatch.c -- match a switch (option) |
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| 4 | * |
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| 5 | * $Id: smatch.c,v 1.1.1.1 1999-02-07 18:14:10 danw Exp $ |
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| 6 | */ |
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| 7 | |
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| 8 | #include <h/mh.h> |
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| 9 | |
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| 10 | |
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| 11 | int |
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| 12 | smatch(char *string, struct swit *swp) |
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| 13 | { |
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| 14 | char *sp, *tcp; |
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| 15 | int firstone, len; |
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| 16 | struct swit *tp; |
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| 17 | |
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| 18 | firstone = UNKWNSW; |
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| 19 | |
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| 20 | if (!string) |
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| 21 | return firstone; |
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| 22 | len = strlen(string); |
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| 23 | |
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| 24 | for (tp = swp; tp->sw; tp++) { |
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| 25 | tcp = tp->sw; |
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| 26 | if (len < abs(tp->minchars)) |
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| 27 | continue; /* no match */ |
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| 28 | for (sp = string; *sp == *tcp++;) { |
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| 29 | if (*sp++ == '\0') |
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| 30 | return (tp - swp); /* exact match */ |
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| 31 | } |
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| 32 | if (*sp) { |
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| 33 | if (*sp != ' ') |
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| 34 | continue; /* no match */ |
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| 35 | if (*--tcp == '\0') |
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| 36 | return (tp - swp); /* exact match */ |
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| 37 | } |
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| 38 | if (firstone == UNKWNSW) |
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| 39 | firstone = tp - swp; |
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| 40 | else |
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| 41 | firstone = AMBIGSW; |
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| 42 | } |
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| 43 | |
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| 44 | return (firstone); |
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| 45 | } |
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