tests: make scripts executable
[git/git.git] / git-compat-util.h
CommitLineData
4050c0df
JH
1#ifndef GIT_COMPAT_UTIL_H
2#define GIT_COMPAT_UTIL_H
3
4#include <unistd.h>
5#include <stdio.h>
6#include <sys/stat.h>
7#include <fcntl.h>
8#include <stddef.h>
9#include <stdlib.h>
10#include <stdarg.h>
11#include <string.h>
12#include <errno.h>
13#include <limits.h>
14#include <sys/param.h>
15#include <netinet/in.h>
16#include <sys/types.h>
17#include <dirent.h>
18
19#ifdef __GNUC__
20#define NORETURN __attribute__((__noreturn__))
21#else
22#define NORETURN
23#ifndef __attribute__
24#define __attribute__(x)
25#endif
26#endif
27
28/* General helper functions */
29extern void usage(const char *err) NORETURN;
30extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
31extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
32
33#ifdef NO_MMAP
34
35#ifndef PROT_READ
36#define PROT_READ 1
37#define PROT_WRITE 2
38#define MAP_PRIVATE 1
39#define MAP_FAILED ((void*)-1)
40#endif
41
42#define mmap gitfakemmap
43#define munmap gitfakemunmap
44extern void *gitfakemmap(void *start, size_t length, int prot , int flags, int fd, off_t offset);
45extern int gitfakemunmap(void *start, size_t length);
46
47#else /* NO_MMAP */
48
49#include <sys/mman.h>
50
51#endif /* NO_MMAP */
52
53#ifdef NO_SETENV
54#define setenv gitsetenv
55extern int gitsetenv(const char *, const char *, int);
56#endif
57
58#ifdef NO_STRCASESTR
59#define strcasestr gitstrcasestr
60extern char *gitstrcasestr(const char *haystack, const char *needle);
61#endif
62
63static inline void *xmalloc(size_t size)
64{
65 void *ret = malloc(size);
66 if (!ret)
67 die("Out of memory, malloc failed");
68 return ret;
69}
70
71static inline void *xrealloc(void *ptr, size_t size)
72{
73 void *ret = realloc(ptr, size);
74 if (!ret)
75 die("Out of memory, realloc failed");
76 return ret;
77}
78
79static inline void *xcalloc(size_t nmemb, size_t size)
80{
81 void *ret = calloc(nmemb, size);
82 if (!ret)
83 die("Out of memory, calloc failed");
84 return ret;
85}
86
87/* Sane ctype - no locale, and works with signed chars */
88#undef isspace
89#undef isdigit
90#undef isalpha
91#undef isalnum
92#undef tolower
93#undef toupper
94extern unsigned char sane_ctype[256];
95#define GIT_SPACE 0x01
96#define GIT_DIGIT 0x02
97#define GIT_ALPHA 0x04
98#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
99#define isspace(x) sane_istest(x,GIT_SPACE)
100#define isdigit(x) sane_istest(x,GIT_DIGIT)
101#define isalpha(x) sane_istest(x,GIT_ALPHA)
102#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
103#define tolower(x) sane_case((unsigned char)(x), 0x20)
104#define toupper(x) sane_case((unsigned char)(x), 0)
105
106static inline int sane_case(int x, int high)
107{
108 if (sane_istest(x, GIT_ALPHA))
109 x = (x & ~0x20) | high;
110 return x;
111}
112
252fef71
MA
113#ifndef MAXPATHLEN
114#define MAXPATHLEN 256
115#endif
4050c0df 116#endif