Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1906 | serge | 1 | /* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. |
| 2 | * |
||
| 3 | * Permission to use, copy, modify, and distribute this software |
||
| 4 | * is freely granted, provided that this notice is preserved. |
||
| 5 | */ |
||
| 6 | |||
| 7 | #include |
||
| 8 | #include |
||
| 9 | #include |
||
| 10 | #include |
||
| 11 | |||
| 12 | #include "buf_findstr.h" |
||
| 13 | |||
| 14 | /* Find string str in buffer buf of length buf_len. Point buf to character after string, |
||
| 15 | or set it to NULL if end of buffer is reached. Return 1 if found, 0 if not. */ |
||
| 16 | int |
||
| 17 | _buf_findstr(const char *str, char **buf, size_t *buf_len) |
||
| 18 | { |
||
| 19 | int i = 0; |
||
| 20 | int j = 0; |
||
| 21 | |||
| 22 | for (i = 0; i < *buf_len; i++) |
||
| 23 | { |
||
| 24 | if (str[0] == (*buf)[i]) |
||
| 25 | { |
||
| 26 | j = i; |
||
| 27 | while (str[j - i] && (str[j - i] == (*buf)[j])) j++; |
||
| 28 | if(str[j - i] == '\0') |
||
| 29 | { |
||
| 30 | *buf += j; |
||
| 31 | *buf_len -= j; |
||
| 32 | return 1; |
||
| 33 | } |
||
| 34 | } |
||
| 35 | } |
||
| 36 | |||
| 37 | if (i == *buf_len) |
||
| 38 | { |
||
| 39 | *buf += *buf_len; |
||
| 40 | *buf_len = 0; |
||
| 41 | } |
||
| 42 | |||
| 43 | return 0; |
||
| 44 | } |