diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 118 |
1 files changed, 74 insertions, 44 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index 607dca7534..b46605300a 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -252,8 +252,15 @@ typedef unsigned long uintptr_t; #ifdef PRECOMPOSE_UNICODE #include "compat/precompose_utf8.h" #else -#define precompose_str(in,i_nfd2nfc) -#define precompose_argv(c,v) +static inline const char *precompose_argv_prefix(int argc, const char **argv, const char *prefix) +{ + return prefix; +} +static inline const char *precompose_string_if_needed(const char *in) +{ + return in; +} + #define probe_utf8_pathname_composition() #endif @@ -270,7 +277,9 @@ struct itimerval { #endif #ifdef NO_SETITIMER -#define setitimer(which,value,ovalue) +static inline int setitimer(int which, const struct itimerval *value, struct itimerval *newvalue) { + return 0; /* pretend success */ +} #endif #ifndef NO_LIBGEN_H @@ -320,26 +329,6 @@ char *gitdirname(char *); #define PATH_MAX 4096 #endif -#ifndef PRIuMAX -#define PRIuMAX "llu" -#endif - -#ifndef SCNuMAX -#define SCNuMAX PRIuMAX -#endif - -#ifndef PRIu32 -#define PRIu32 "u" -#endif - -#ifndef PRIx32 -#define PRIx32 "x" -#endif - -#ifndef PRIo32 -#define PRIo32 "o" -#endif - typedef uintmax_t timestamp_t; #define PRItime PRIuMAX #define parse_timestamp strtoumax @@ -365,6 +354,11 @@ static inline int noop_core_config(const char *var, const char *value, void *cb) #define platform_core_config noop_core_config #endif +int lstat_cache_aware_rmdir(const char *path); +#if !defined(__MINGW32__) && !defined(_MSC_VER) +#define rmdir lstat_cache_aware_rmdir +#endif + #ifndef has_dos_drive_prefix static inline int git_has_dos_drive_prefix(const char *path) { @@ -397,6 +391,10 @@ static inline int git_offset_1st_component(const char *path) #define offset_1st_component git_offset_1st_component #endif +#ifndef is_valid_path +#define is_valid_path(path) 1 +#endif + #ifndef find_last_dir_sep static inline char *git_find_last_dir_sep(const char *path) { @@ -405,6 +403,14 @@ static inline char *git_find_last_dir_sep(const char *path) #define find_last_dir_sep git_find_last_dir_sep #endif +#ifndef has_dir_sep +static inline int git_has_dir_sep(const char *path) +{ + return !!strchr(path, '/'); +} +#define has_dir_sep(path) git_has_dir_sep(path) +#endif + #ifndef query_user_email #define query_user_email() NULL #endif @@ -493,11 +499,13 @@ static inline int const_error(void) #define error_errno(...) (error_errno(__VA_ARGS__), const_error()) #endif -void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params)); -void set_error_routine(void (*routine)(const char *err, va_list params)); -extern void (*get_error_routine(void))(const char *err, va_list params); -void set_warn_routine(void (*routine)(const char *warn, va_list params)); -extern void (*get_warn_routine(void))(const char *warn, va_list params); +typedef void (*report_fn)(const char *, va_list params); + +void set_die_routine(NORETURN_PTR report_fn routine); +void set_error_routine(report_fn routine); +report_fn get_error_routine(void); +void set_warn_routine(report_fn routine); +report_fn get_warn_routine(void); void set_die_is_recursing_routine(int (*routine)(void)); int starts_with(const char *str, const char *prefix); @@ -790,6 +798,12 @@ int git_vsnprintf(char *str, size_t maxsize, const char *format, va_list ap); #endif +#ifdef OPEN_RETURNS_EINTR +#undef open +#define open git_open_with_retry +int git_open_with_retry(const char *path, int flag, ...); +#endif + #ifdef __GLIBC_PREREQ #if __GLIBC_PREREQ(2, 1) #define HAVE_STRCHRNUL @@ -862,6 +876,7 @@ char *xstrndup(const char *str, size_t len); void *xrealloc(void *ptr, size_t size); void *xcalloc(size_t nmemb, size_t size); void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); +const char *mmap_os_err(void); void *xmmap_gently(void *start, size_t length, int prot, int flags, int fd, off_t offset); int xopen(const char *path, int flags, ...); ssize_t xread(int fd, void *buf, size_t len); @@ -877,13 +892,19 @@ FILE *fopen_for_writing(const char *path); FILE *fopen_or_warn(const char *path, const char *mode); /* + * Like strncmp, but only return zero if s is NUL-terminated and exactly len + * characters long. If it is not, consider it greater than t. + */ +int xstrncmpz(const char *s, const char *t, size_t len); + +/* * FREE_AND_NULL(ptr) is like free(ptr) followed by ptr = NULL. Note * that ptr is used twice, so don't pass e.g. ptr++. */ #define FREE_AND_NULL(p) do { free(p); (p) = NULL; } while (0) #define ALLOC_ARRAY(x, alloc) (x) = xmalloc(st_mult(sizeof(*(x)), (alloc))) -#define CALLOC_ARRAY(x, alloc) (x) = xcalloc((alloc), sizeof(*(x))); +#define CALLOC_ARRAY(x, alloc) (x) = xcalloc((alloc), sizeof(*(x))) #define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), st_mult(sizeof(*(x)), (alloc))) #define COPY_ARRAY(dst, src, n) copy_array((dst), (src), (n), sizeof(*(dst)) + \ @@ -966,11 +987,9 @@ static inline char *xstrdup_or_null(const char *str) static inline size_t xsize_t(off_t len) { - size_t size = (size_t) len; - - if (len != (off_t) size) + if (len < 0 || (uintmax_t) len > SIZE_MAX) die("Cannot handle files this big"); - return size; + return (size_t) len; } __attribute__((format (printf, 3, 4))) @@ -1172,9 +1191,12 @@ static inline int regexec_buf(const regex_t *preg, const char *buf, size_t size, #endif #endif -#if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__C99_MACRO_WITH_VA_ARGS) +/* + * This is always defined as a first step towards making the use of variadic + * macros unconditional. If it causes compilation problems on your platform, + * please report it to the Git mailing list at git@vger.kernel.org. + */ #define HAVE_VARIADIC_MACROS 1 -#endif /* usage.c: only to be used for testing BUG() implementation (see test-tool) */ extern int BUG_exit_code; @@ -1224,12 +1246,12 @@ int access_or_die(const char *path, int mode, unsigned flag); /* Warn on an inaccessible file if errno indicates this is an error */ int warn_on_fopen_errors(const char *path); -#ifdef GMTIME_UNRELIABLE_ERRORS -struct tm *git_gmtime(const time_t *); -struct tm *git_gmtime_r(const time_t *, struct tm *); -#define gmtime git_gmtime -#define gmtime_r git_gmtime_r -#endif +/* + * Open with O_NOFOLLOW, or equivalent. Note that the fallback equivalent + * may be racy. Do not use this as protection against an attacker who can + * simultaneously create paths. + */ +int open_nofollow(const char *path, int flags); #if !defined(USE_PARENS_AROUND_GETTEXT_N) && defined(__GNUC__) #define USE_PARENS_AROUND_GETTEXT_N 1 @@ -1240,8 +1262,14 @@ struct tm *git_gmtime_r(const time_t *, struct tm *); #endif #ifndef _POSIX_THREAD_SAFE_FUNCTIONS -#define flockfile(fh) -#define funlockfile(fh) +static inline void flockfile(FILE *fh) +{ + ; /* nothing */ +} +static inline void funlockfile(FILE *fh) +{ + ; /* nothing */ +} #define getc_unlocked(fh) getc(fh) #endif @@ -1339,7 +1367,7 @@ static inline void *container_of_or_null_offset(void *ptr, size_t offset) (type *)container_of_or_null_offset(ptr, offsetof(type, member)) /* - * like offsetof(), but takes a pointer to a a variable of type which + * like offsetof(), but takes a pointer to a variable of type which * contains @member, instead of a specified type. * @ptr is subject to multiple evaluation since we can't rely on __typeof__ * everywhere. @@ -1351,4 +1379,6 @@ static inline void *container_of_or_null_offset(void *ptr, size_t offset) ((uintptr_t)&(ptr)->member - (uintptr_t)(ptr)) #endif /* !__GNUC__ */ +void sleep_millisec(int millisec); + #endif |