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Diffstat (limited to 'src/daemon/https/lgl/memmem.c')
-rw-r--r-- | src/daemon/https/lgl/memmem.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/daemon/https/lgl/memmem.c b/src/daemon/https/lgl/memmem.c deleted file mode 100644 index 0b756ea8..00000000 --- a/src/daemon/https/lgl/memmem.c +++ /dev/null | |||
@@ -1,59 +0,0 @@ | |||
1 | /* Copyright (C) 1991,92,93,94,96,97,98,2000,2004,2007 Free Software Foundation, Inc. | ||
2 | This file is part of the GNU C Library. | ||
3 | |||
4 | This program is free software; you can redistribute it and/or modify | ||
5 | it under the terms of the GNU Lesser General Public License as published by | ||
6 | the Free Software Foundation; either version 2.1, or (at your option) | ||
7 | any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU Lesser General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU Lesser General Public License along | ||
15 | with this program; if not, write to the Free Software Foundation, | ||
16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
17 | |||
18 | #ifndef _LIBC | ||
19 | #include "MHD_config.h" | ||
20 | #endif | ||
21 | |||
22 | #include <stddef.h> | ||
23 | #include <string.h> | ||
24 | |||
25 | #ifndef _LIBC | ||
26 | # define __builtin_expect(expr, val) (expr) | ||
27 | #endif | ||
28 | |||
29 | /* Return the first occurrence of NEEDLE in HAYSTACK. */ | ||
30 | void * | ||
31 | MHD_memmem (haystack, haystack_len, needle, needle_len) | ||
32 | const void *haystack; | ||
33 | size_t haystack_len; | ||
34 | const void *needle; | ||
35 | size_t needle_len; | ||
36 | { | ||
37 | const char *begin; | ||
38 | const char *const last_possible = (const char *) haystack + haystack_len | ||
39 | - needle_len; | ||
40 | |||
41 | if (needle_len == 0) | ||
42 | /* The first occurrence of the empty string is deemed to occur at | ||
43 | the beginning of the string. */ | ||
44 | return (void *) haystack; | ||
45 | |||
46 | /* Sanity check, otherwise the loop might search through the whole | ||
47 | memory. */ | ||
48 | if (__builtin_expect (haystack_len < needle_len, 0)) | ||
49 | return NULL; | ||
50 | |||
51 | for (begin = (const char *) haystack; begin <= last_possible; ++begin) | ||
52 | if (begin[0] == ((const char *) needle)[0] | ||
53 | && !memcmp ((const void *) &begin[1], | ||
54 | (const void *) ((const char *) needle + 1), | ||
55 | needle_len - 1)) | ||
56 | return (void *) begin; | ||
57 | |||
58 | return NULL; | ||
59 | } | ||