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1 /*
2  * Copyright 2012, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_FIXUP_H
18 #define ANDROID_FIXUP_H
19 
20 #include <stdio.h>
21 #include <libgen.h>     // for basename
22 
23 //#define _OFF_T_DEFINED_
24 
25 //#define off_t           loff_t
26 
27 #ifndef MAX
28 #define MAX(x,y)        ((x) > (y) ? (x) : (y))
29 #endif
30 
31 #ifndef MIN
32 #define MIN(x,y)        ((x) < (y) ? (x) : (y))
33 #endif
34 
35 #ifndef powerof2
36 #define powerof2(x)     (((x - 1) & (x)) == 0)
37 #endif
38 
39 /* workaround for canonicalize_file_name */
40 #define canonicalize_file_name(path) realpath(path, NULL)
41 
42 /* workaround for open64 */
43 #define open64(path, flags)     open(path, ((flags) | O_LARGEFILE))
44 
45 /* no internalization */
46 #define gettext(x)      (x)
47 
48 /* _mempcpy and mempcpy */
49 #ifndef __mempcpy
50 #define __mempcpy(dest, src, n)  mempcpy(dest, src, n)
51 #endif
52 
53 #ifndef mempcpy
54 #include <string.h>
55 
mempcpy(void * dest,const void * src,size_t n)56 static inline void *mempcpy(void *dest, const void *src, size_t n)
57 {
58     char *ptr = memcpy(dest, src, n);
59     return ptr + n;
60 }
61 #endif
62 
63 /* rawmemchr */
rawmemchr(const void * s,int c)64 static inline void *rawmemchr(const void *s, int c)
65 {
66     const unsigned char *ptr = s;
67     while (1) {
68         if (*ptr == c) return (void *) ptr;
69         ptr++;
70     }
71 }
72 
73 /* workaround for stpcpy */
stpcpy(char * dst,const char * src)74 static inline char *stpcpy(char *dst, const char *src)
75 {
76     while (*src) {
77         *dst++ = *src++;
78     }
79     return dst;
80 }
81 
82 /* forward declarations */
83 char * dgettext (const char * domainname, const char * msgid);
84 
85 #endif /* ANDROID_FIXUP_H */
86