diff options
Diffstat (limited to 'third_party/git/git-compat-util.h')
| -rw-r--r-- | third_party/git/git-compat-util.h | 118 |
1 files changed, 79 insertions, 39 deletions
diff --git a/third_party/git/git-compat-util.h b/third_party/git/git-compat-util.h index 83be89de0a..7a0fb7a045 100644 --- a/third_party/git/git-compat-util.h +++ b/third_party/git/git-compat-util.h @@ -77,7 +77,7 @@ #endif /* * ARRAY_SIZE - get the number of elements in a visible array - * <at> x: the array whose size you want. + * @x: the array whose size you want. * * This does not work on pointers, or arrays declared as [], or * function parameters. With correct compiler support, such usage @@ -252,8 +252,10 @@ 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 void precompose_argv(int argc, const char **argv) +{ + ; /* nothing */ +} #define probe_utf8_pathname_composition() #endif @@ -270,7 +272,9 @@ struct itimerval { #endif #ifdef NO_SETITIMER -#define setitimer(which,value,ovalue) +static inline int setitimer(int which, const struct itimerval *value, struct itimerval *newvalue) { + ; /* nothing */ +} #endif #ifndef NO_LIBGEN_H @@ -320,30 +324,11 @@ 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 #define TIME_MAX UINTMAX_MAX +#define TIME_MIN 0 #ifndef PATH_SEP #define PATH_SEP ':' @@ -396,6 +381,10 @@ 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) { @@ -404,6 +393,14 @@ 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 @@ -818,9 +815,6 @@ const char *inet_ntop(int af, const void *src, char *dst, size_t size); int git_atexit(void (*handler)(void)); #endif -typedef void (*try_to_free_t)(size_t); -try_to_free_t set_try_to_free_routine(try_to_free_t); - static inline size_t st_add(size_t a, size_t b) { if (unsigned_add_overflows(a, b)) @@ -879,6 +873,12 @@ 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++. */ @@ -1094,10 +1094,10 @@ static inline int strtol_i(char const *s, int base, int *result) return 0; } +void git_stable_qsort(void *base, size_t nmemb, size_t size, + int(*compar)(const void *, const void *)); #ifdef INTERNAL_QSORT -void git_qsort(void *base, size_t nmemb, size_t size, - int(*compar)(const void *, const void *)); -#define qsort git_qsort +#define qsort git_stable_qsort #endif #define QSORT(base, n, compar) sane_qsort((base), (n), sizeof(*(base)), compar) @@ -1108,6 +1108,9 @@ static inline void sane_qsort(void *base, size_t nmemb, size_t size, qsort(base, nmemb, size, compar); } +#define STABLE_QSORT(base, n, compar) \ + git_stable_qsort((base), (n), sizeof(*(base)), compar) + #ifndef HAVE_ISO_QSORT_S int git_qsort_s(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *ctx); @@ -1223,13 +1226,6 @@ 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 - #if !defined(USE_PARENS_AROUND_GETTEXT_N) && defined(__GNUC__) #define USE_PARENS_AROUND_GETTEXT_N 1 #endif @@ -1239,8 +1235,14 @@ 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 @@ -1312,4 +1314,42 @@ void unleak_memory(const void *ptr, size_t len); */ #include "banned.h" +/* + * container_of - Get the address of an object containing a field. + * + * @ptr: pointer to the field. + * @type: type of the object. + * @member: name of the field within the object. + */ +#define container_of(ptr, type, member) \ + ((type *) ((char *)(ptr) - offsetof(type, member))) + +/* + * helper function for `container_of_or_null' to avoid multiple + * evaluation of @ptr + */ +static inline void *container_of_or_null_offset(void *ptr, size_t offset) +{ + return ptr ? (char *)ptr - offset : NULL; +} + +/* + * like `container_of', but allows returned value to be NULL + */ +#define container_of_or_null(ptr, type, member) \ + (type *)container_of_or_null_offset(ptr, offsetof(type, member)) + +/* + * like offsetof(), but takes a pointer to a 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. + */ +#if defined(__GNUC__) /* clang sets this, too */ +#define OFFSETOF_VAR(ptr, member) offsetof(__typeof__(*ptr), member) +#else /* !__GNUC__ */ +#define OFFSETOF_VAR(ptr, member) \ + ((uintptr_t)&(ptr)->member - (uintptr_t)(ptr)) +#endif /* !__GNUC__ */ + #endif |