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sysname.c - 9base - revived minimalist port of Plan 9 userland to Unix |
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git clone git://git.suckless.org/9base |
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sysname.c (420B) |
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1 #include <u.h> |
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2 #include <libc.h> |
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3 |
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4 char* |
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5 sysname(void) |
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6 { |
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7 static char buf[512]; |
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8 char *p, *q; |
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9 |
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10 if(buf[0]) |
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11 return buf; |
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12 |
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13 if((q = getenv("sysname")) != nil && q[0] != 0){ |
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14 utfecpy(buf, buf+sizeof buf, q); |
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15 free(q); |
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16 return buf; |
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17 } |
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18 if(q) |
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19 free(q); |
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20 |
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21 if(gethostname(buf, sizeof buf) >= 0){ |
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22 buf[sizeof buf-1] = 0; |
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23 if((p = strchr(buf, '.')) != nil) |
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24 *p = 0; |
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25 return buf; |
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26 } |
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27 |
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28 strcpy(buf, "gnot"); |
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29 return buf; |
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30 } |
