X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-compat-util.h;h=9f941e42b16d927f738b4911b41344dd2f3ed0da;hb=6d71c1dca4396de545a6c9667b3dcf0c03e42b30;hp=124bb94b153f13e4be5e17814b67115ff31d1587;hpb=0d5055665ca1e76659ffa96bf972b4b0125ea069;p=git.git diff --git a/git-compat-util.h b/git-compat-util.h index 124bb94b1..9f941e42b 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -7,7 +7,7 @@ /* * See if our compiler is known to support flexible array members. */ -#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && (!defined(__SUNPRO_C) || (__SUNPRO_C > 0x580)) # define FLEX_ARRAY /* empty */ #elif defined(__GNUC__) # if (__GNUC__ >= 3) @@ -26,6 +26,7 @@ #endif #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) +#define bitsizeof(x) (CHAR_BIT * sizeof(x)) #ifdef __GNUC__ #define TYPEOF(x) (__typeof__(x)) @@ -33,19 +34,38 @@ #define TYPEOF(x) #endif -#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits)))) +#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (bitsizeof(x) - (bits)))) #define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */ +#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) + /* Approximation of the length of the decimal representation of this type. */ #define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) -#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && !defined(_M_UNIX) +#if defined(__sun__) + /* + * On Solaris, when _XOPEN_EXTENDED is set, its header file + * forces the programs to be XPG4v2, defeating any _XOPEN_SOURCE + * setting to say we are XPG5 or XPG6. Also on Solaris, + * XPG6 programs must be compiled with a c99 compiler, while + * non XPG6 programs must be compiled with a pre-c99 compiler. + */ +# if __STDC_VERSION__ - 0 >= 199901L +# define _XOPEN_SOURCE 600 +# else +# define _XOPEN_SOURCE 500 +# endif +#elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && !defined(_M_UNIX) && !defined(sgi) #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */ +#ifndef __sun__ #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */ #endif +#endif #define _ALL_SOURCE 1 #define _GNU_SOURCE 1 #define _BSD_SOURCE 1 +#define _NETBSD_SOURCE 1 +#define _SGI_SOURCE 1 #include #include @@ -96,6 +116,13 @@ #include "compat/mingw.h" #endif /* __MINGW32__ */ +#ifndef NO_LIBGEN_H +#include +#else +#define basename gitbasename +extern char *gitbasename(char *); +#endif + #ifndef NO_ICONV #include #endif @@ -152,6 +179,7 @@ /* General helper functions */ extern void usage(const char *err) NORETURN; extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2))); +extern void die_errno(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2))); extern int error(const char *err, ...) __attribute__((format (printf, 1, 2))); extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2))); @@ -166,7 +194,7 @@ static inline const char *skip_prefix(const char *str, const char *prefix) return strncmp(str, prefix, len) ? NULL : str + len; } -#ifdef NO_MMAP +#if defined(NO_MMAP) || defined(USE_WIN32_MMAP) #ifndef PROT_READ #define PROT_READ 1 @@ -180,13 +208,19 @@ static inline const char *skip_prefix(const char *str, const char *prefix) extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); extern int git_munmap(void *start, size_t length); +#else /* NO_MMAP || USE_WIN32_MMAP */ + +#include + +#endif /* NO_MMAP || USE_WIN32_MMAP */ + +#ifdef NO_MMAP + /* This value must be multiple of (pagesize * 2) */ #define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024) #else /* NO_MMAP */ -#include - /* This value must be multiple of (pagesize * 2) */ #define DEFAULT_PACKED_GIT_WINDOW_SIZE \ (sizeof(void*) >= 8 \ @@ -225,6 +259,11 @@ extern int gitsetenv(const char *, const char *, int); extern char *gitmkdtemp(char *); #endif +#ifdef NO_MKSTEMPS +#define mkstemps gitmkstemps +extern int gitmkstemps(char *, int); +#endif + #ifdef NO_UNSETENV #define unsetenv gitunsetenv extern void gitunsetenv(const char *); @@ -319,6 +358,7 @@ static inline int has_extension(const char *filename, const char *ext) } /* Sane ctype - no locale, and works with signed chars */ +#undef isascii #undef isspace #undef isdigit #undef isalpha @@ -329,13 +369,16 @@ extern unsigned char sane_ctype[256]; #define GIT_SPACE 0x01 #define GIT_DIGIT 0x02 #define GIT_ALPHA 0x04 -#define GIT_SPECIAL 0x08 +#define GIT_GLOB_SPECIAL 0x08 +#define GIT_REGEX_SPECIAL 0x10 #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0) +#define isascii(x) (((x) & ~0x7f) == 0) #define isspace(x) sane_istest(x,GIT_SPACE) #define isdigit(x) sane_istest(x,GIT_DIGIT) #define isalpha(x) sane_istest(x,GIT_ALPHA) #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) -#define isspecial(x) sane_istest(x,GIT_SPECIAL) +#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL) +#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL) #define tolower(x) sane_case((unsigned char)(x), 0x20) #define toupper(x) sane_case((unsigned char)(x), 0) @@ -384,4 +427,30 @@ void git_qsort(void *base, size_t nmemb, size_t size, # define FORCE_DIR_SET_GID 0 #endif +#ifdef NO_NSEC +#undef USE_NSEC +#define ST_CTIME_NSEC(st) 0 +#define ST_MTIME_NSEC(st) 0 +#else +#ifdef USE_ST_TIMESPEC +#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec)) +#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec)) +#else +#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec)) +#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec)) +#endif +#endif + +#ifdef UNRELIABLE_FSTAT +#define fstat_is_reliable() 0 +#else +#define fstat_is_reliable() 1 +#endif + +/* + * Preserves errno, prints a message, but gives no warning for ENOENT. + * Always returns the return value of unlink(2). + */ +int unlink_or_warn(const char *path); + #endif