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| Source at commit 1808 created 12 years 4 months ago. By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier? | |
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| 1 | /*␊ |
| 2 | * bsearch.c␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | #include <stdlib.h>␊ |
| 6 | ␊ |
| 7 | void *bsearch(const void *key, const void *base, size_t nmemb,␊ |
| 8 | ␉ size_t size, int (*cmp) (const void *, const void *))␊ |
| 9 | {␊ |
| 10 | ␉while (nmemb) {␊ |
| 11 | ␉␉size_t mididx = nmemb / 2;␊ |
| 12 | ␉␉const void *midobj = base + mididx * size;␊ |
| 13 | ␉␉int diff = cmp(key, midobj);␊ |
| 14 | ␊ |
| 15 | ␉␉if (diff == 0)␊ |
| 16 | ␉␉␉return (void *)midobj;␊ |
| 17 | ␊ |
| 18 | ␉␉if (diff > 0) {␊ |
| 19 | ␉␉␉base = midobj + size;␊ |
| 20 | ␉␉␉nmemb -= mididx + 1;␊ |
| 21 | ␉␉} else␊ |
| 22 | ␉␉␉nmemb = mididx;␊ |
| 23 | ␉}␊ |
| 24 | ␊ |
| 25 | ␉return NULL;␊ |
| 26 | }␊ |
| 27 | |
