Last change
on this file since 577 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
987 bytes
|
Rev | Line | |
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[444] | 1 | /* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. |
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| 2 | * |
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| 3 | * Permission to use, copy, modify, and distribute this software |
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| 4 | * is freely granted, provided that this notice is preserved. |
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| 5 | */ |
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| 6 | |
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| 7 | #include <errno.h> |
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| 8 | #include <sys/types.h> |
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| 9 | #include <string.h> |
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| 10 | #include <stdlib.h> |
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| 11 | |
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| 12 | #include "buf_findstr.h" |
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| 13 | |
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| 14 | /* Find string str in buffer buf of length buf_len. Point buf to character after string, |
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| 15 | or set it to NULL if end of buffer is reached. Return 1 if found, 0 if not. */ |
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| 16 | int |
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| 17 | _buf_findstr(const char *str, char **buf, size_t *buf_len) |
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| 18 | { |
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| 19 | int i = 0; |
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| 20 | int j = 0; |
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| 21 | |
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| 22 | for (i = 0; i < *buf_len; i++) |
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| 23 | { |
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| 24 | if (str[0] == (*buf)[i]) |
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| 25 | { |
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| 26 | j = i; |
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| 27 | while (str[j - i] && (str[j - i] == (*buf)[j])) j++; |
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| 28 | if(str[j - i] == '\0') |
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| 29 | { |
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| 30 | *buf += j; |
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| 31 | *buf_len -= j; |
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| 32 | return 1; |
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| 33 | } |
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| 34 | } |
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| 35 | } |
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| 36 | |
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| 37 | if (i == *buf_len) |
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| 38 | { |
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| 39 | *buf += *buf_len; |
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| 40 | *buf_len = 0; |
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| 41 | } |
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| 42 | |
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| 43 | return 0; |
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| 44 | } |
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