1#ifndef GIT_COMPAT_UTIL_H 2#define GIT_COMPAT_UTIL_H 3 4/* ANDROID_CHANGE_BEGIN */ 5#ifndef __BIONIC__ 6#define _FILE_OFFSET_BITS 64 7#endif 8/* ANDROID_CHANGE_END */ 9 10#ifndef FLEX_ARRAY 11/* 12 * See if our compiler is known to support flexible array members. 13 */ 14#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) 15# define FLEX_ARRAY /* empty */ 16#elif defined(__GNUC__) 17# if (__GNUC__ >= 3) 18# define FLEX_ARRAY /* empty */ 19# else 20# define FLEX_ARRAY 0 /* older GNU extension */ 21# endif 22#endif 23 24/* 25 * Otherwise, default to safer but a bit wasteful traditional style 26 */ 27#ifndef FLEX_ARRAY 28# define FLEX_ARRAY 1 29#endif 30#endif 31 32#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 33 34#ifdef __GNUC__ 35#define TYPEOF(x) (__typeof__(x)) 36#else 37#define TYPEOF(x) 38#endif 39 40#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits)))) 41#define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */ 42 43/* Approximation of the length of the decimal representation of this type. */ 44#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) 45 46#define _ALL_SOURCE 1 47#define _GNU_SOURCE 1 48#define _BSD_SOURCE 1 49#define HAS_BOOL 50 51#include <unistd.h> 52#include <stdio.h> 53#include <sys/stat.h> 54/* ANDROID_CHANGE_BEGIN */ 55#ifndef __APPLE__ 56#include <sys/statfs.h> 57#endif 58/* ANDROID_CHANGE_END */ 59#include <fcntl.h> 60#include <stdbool.h> 61#include <stddef.h> 62#include <stdlib.h> 63#include <stdarg.h> 64#include <string.h> 65#include <errno.h> 66#include <limits.h> 67#include <sys/param.h> 68#include <sys/types.h> 69/* ANDROID_CHANGE_BEGIN */ 70#ifdef __BIONIC__ 71#include <pthread.h> 72#endif 73/* ANDROID_CHANGE_END */ 74#include <dirent.h> 75#include <sys/time.h> 76#include <time.h> 77#include <signal.h> 78#include <fnmatch.h> 79#include <assert.h> 80#include <regex.h> 81#include <utime.h> 82#include <sys/wait.h> 83#include <sys/poll.h> 84#include <sys/socket.h> 85#include <sys/ioctl.h> 86#include <sys/select.h> 87#include <netinet/in.h> 88#include <netinet/tcp.h> 89#include <arpa/inet.h> 90#include <netdb.h> 91#include <pwd.h> 92#include <inttypes.h> 93 94/* ANDROID_CHANGE_BEGIN */ 95#ifndef __APPLE__ 96#include <linux/magic.h> 97#endif 98/* ANDROID_CHANGE_END */ 99 100#include "types.h" 101 102/* ANDROID_CHANGE_BEGIN */ 103#ifndef __BIONIC__ 104#include <sys/ttydefaults.h> 105#endif 106/* ANDROID_CHANGE_END */ 107 108 109extern const char *graph_line; 110extern const char *graph_dotted_line; 111extern char buildid_dir[]; 112 113/* On most systems <limits.h> would have given us this, but 114 * not on some systems (e.g. GNU/Hurd). 115 */ 116#ifndef PATH_MAX 117#define PATH_MAX 4096 118#endif 119 120#ifndef PRIuMAX 121#define PRIuMAX "llu" 122#endif 123 124#ifndef PRIu32 125#define PRIu32 "u" 126#endif 127 128#ifndef PRIx32 129#define PRIx32 "x" 130#endif 131 132#ifndef PATH_SEP 133#define PATH_SEP ':' 134#endif 135 136#ifndef STRIP_EXTENSION 137#define STRIP_EXTENSION "" 138#endif 139 140#ifndef has_dos_drive_prefix 141#define has_dos_drive_prefix(path) 0 142#endif 143 144#ifndef is_dir_sep 145#define is_dir_sep(c) ((c) == '/') 146#endif 147 148#ifdef __GNUC__ 149#define NORETURN __attribute__((__noreturn__)) 150#else 151#define NORETURN 152#ifndef __attribute__ 153#define __attribute__(x) 154#endif 155#endif 156 157/* General helper functions */ 158extern void usage(const char *err) NORETURN; 159extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2))); 160extern int error(const char *err, ...) __attribute__((format (printf, 1, 2))); 161extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2))); 162 163/* ANDROID_CHANGE_BEGIN */ 164#if 0 165#include "../../../include/linux/stringify.h" 166#else 167#include "util/include/linux/added/stringify.h" 168#endif 169/* ANDROID_CHANGE_END */ 170 171#define DIE_IF(cnd) \ 172 do { if (cnd) \ 173 die(" at (" __FILE__ ":" __stringify(__LINE__) "): " \ 174 __stringify(cnd) "\n"); \ 175 } while (0) 176 177 178extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN); 179 180extern int prefixcmp(const char *str, const char *prefix); 181extern void set_buildid_dir(void); 182extern void disable_buildid_cache(void); 183 184static inline const char *skip_prefix(const char *str, const char *prefix) 185{ 186 size_t len = strlen(prefix); 187 return strncmp(str, prefix, len) ? NULL : str + len; 188} 189 190#ifdef __GLIBC_PREREQ 191#if __GLIBC_PREREQ(2, 1) 192#define HAVE_STRCHRNUL 193#endif 194#endif 195 196#ifndef HAVE_STRCHRNUL 197#define strchrnul gitstrchrnul 198static inline char *gitstrchrnul(const char *s, int c) 199{ 200 while (*s && *s != c) 201 s++; 202 return (char *)s; 203} 204#endif 205 206/* 207 * Wrappers: 208 */ 209extern char *xstrdup(const char *str); 210extern void *xrealloc(void *ptr, size_t size) __attribute__((weak)); 211 212 213static inline void *zalloc(size_t size) 214{ 215 return calloc(1, size); 216} 217 218static inline int has_extension(const char *filename, const char *ext) 219{ 220 size_t len = strlen(filename); 221 size_t extlen = strlen(ext); 222 223 return len > extlen && !memcmp(filename + len - extlen, ext, extlen); 224} 225 226/* Sane ctype - no locale, and works with signed chars */ 227#undef isascii 228#undef isspace 229#undef isdigit 230#undef isxdigit 231#undef isalpha 232#undef isprint 233#undef isalnum 234#undef tolower 235#undef toupper 236 237extern unsigned char sane_ctype[256]; 238#define GIT_SPACE 0x01 239#define GIT_DIGIT 0x02 240#define GIT_ALPHA 0x04 241#define GIT_GLOB_SPECIAL 0x08 242#define GIT_REGEX_SPECIAL 0x10 243#define GIT_PRINT_EXTRA 0x20 244#define GIT_PRINT 0x3E 245#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0) 246#define isascii(x) (((x) & ~0x7f) == 0) 247#define isspace(x) sane_istest(x,GIT_SPACE) 248#define isdigit(x) sane_istest(x,GIT_DIGIT) 249#define isxdigit(x) \ 250 (sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G') 251#define isalpha(x) sane_istest(x,GIT_ALPHA) 252#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) 253#define isprint(x) sane_istest(x,GIT_PRINT) 254#define tolower(x) sane_case((unsigned char)(x), 0x20) 255#define toupper(x) sane_case((unsigned char)(x), 0) 256 257static inline int sane_case(int x, int high) 258{ 259 if (sane_istest(x, GIT_ALPHA)) 260 x = (x & ~0x20) | high; 261 return x; 262} 263 264int mkdir_p(char *path, mode_t mode); 265int copyfile(const char *from, const char *to); 266 267s64 perf_atoll(const char *str); 268char **argv_split(const char *str, int *argcp); 269void argv_free(char **argv); 270bool strglobmatch(const char *str, const char *pat); 271bool strlazymatch(const char *str, const char *pat); 272unsigned long convert_unit(unsigned long value, char *unit); 273int readn(int fd, void *buf, size_t size); 274 275#define _STR(x) #x 276#define STR(x) _STR(x) 277 278#endif 279