diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 87 |
1 files changed, 72 insertions, 15 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index 87237b092b..047172d173 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -319,6 +319,11 @@ extern char *gitdirname(char *); #define PRIo32 "o" #endif +typedef uintmax_t timestamp_t; +#define PRItime PRIuMAX +#define parse_timestamp strtoumax +#define TIME_MAX UINTMAX_MAX + #ifndef PATH_SEP #define PATH_SEP ':' #endif @@ -445,7 +450,6 @@ extern void (*get_error_routine(void))(const char *err, va_list params); extern void set_warn_routine(void (*routine)(const char *warn, va_list params)); extern void (*get_warn_routine(void))(const char *warn, va_list params); extern void set_die_is_recursing_routine(int (*routine)(void)); -extern void set_error_handle(FILE *); extern int starts_with(const char *str, const char *prefix); @@ -527,6 +531,16 @@ static inline int ends_with(const char *str, const char *suffix) return strip_suffix(str, suffix, &len); } +#define SWAP(a, b) do { \ + void *_swap_a_ptr = &(a); \ + void *_swap_b_ptr = &(b); \ + unsigned char _swap_buffer[sizeof(a)]; \ + memcpy(_swap_buffer, _swap_a_ptr, sizeof(a)); \ + memcpy(_swap_a_ptr, _swap_b_ptr, sizeof(a) + \ + BUILD_ASSERT_OR_ZERO(sizeof(a) == sizeof(b))); \ + memcpy(_swap_b_ptr, _swap_buffer, sizeof(a)); \ +} while (0) + #if defined(NO_MMAP) || defined(USE_WIN32_MMAP) #ifndef PROT_READ @@ -606,7 +620,7 @@ extern int git_lstat(const char *, struct stat *); #endif #define DEFAULT_PACKED_GIT_LIMIT \ - ((1024L * 1024L) * (size_t)(sizeof(void*) >= 8 ? 8192 : 256)) + ((1024L * 1024L) * (size_t)(sizeof(void*) >= 8 ? (32 * 1024L * 1024L) : 256)) #ifdef NO_PREAD #define pread git_pread @@ -629,11 +643,6 @@ 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 *); @@ -684,10 +693,12 @@ char *gitstrdup(const char *s); #endif #ifdef FREAD_READS_DIRECTORIES -#ifdef fopen -#undef fopen -#endif -#define fopen(a,b) git_fopen(a,b) +# if !defined(SUPPRESS_FOPEN_REDEFINITION) +# ifdef fopen +# undef fopen +# endif +# define fopen(a,b) git_fopen(a,b) +# endif extern FILE *git_fopen(const char*, const char*); #endif @@ -793,10 +804,15 @@ extern FILE *xfopen(const char *path, const char *mode); extern FILE *xfdopen(int fd, const char *mode); extern int xmkstemp(char *template); extern int xmkstemp_mode(char *template, int mode); -extern int odb_mkstemp(char *template, size_t limit, const char *pattern); -extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1); extern char *xgetcwd(void); extern FILE *fopen_for_writing(const char *path); +extern FILE *fopen_or_warn(const char *path, const char *mode); + +/* + * 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 REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), st_mult(sizeof(*(x)), (alloc))) @@ -881,6 +897,12 @@ static inline size_t xsize_t(off_t len) __attribute__((format (printf, 3, 4))) extern int xsnprintf(char *dst, size_t max, const char *fmt, ...); +#ifndef HOST_NAME_MAX +#define HOST_NAME_MAX 256 +#endif + +extern int xgethostname(char *buf, size_t len); + /* in ctype.c, for kwset users */ extern const unsigned char tolower_trans_tbl[256]; @@ -988,6 +1010,17 @@ static inline void sane_qsort(void *base, size_t nmemb, size_t size, qsort(base, nmemb, size, 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); +#define qsort_s git_qsort_s +#endif + +#define QSORT_S(base, n, compar, ctx) do { \ + if (qsort_s((base), (n), sizeof(*(base)), compar, ctx)) \ + die("BUG: qsort_s() failed"); \ +} while (0) + #ifndef REG_STARTEND #error "Git requires REG_STARTEND support. Compile with NO_REGEX=NeedsStartEnd" #endif @@ -1044,6 +1077,15 @@ static inline int regexec_buf(const regex_t *preg, const char *buf, size_t size, #define HAVE_VARIADIC_MACROS 1 #endif +#ifdef HAVE_VARIADIC_MACROS +__attribute__((format (printf, 3, 4))) NORETURN +void BUG_fl(const char *file, int line, const char *fmt, ...); +#define BUG(...) BUG_fl(__FILE__, __LINE__, __VA_ARGS__) +#else +__attribute__((format (printf, 1, 2))) NORETURN +void BUG(const char *fmt, ...); +#endif + /* * Preserves errno, prints a message, but gives no warning for ENOENT. * Returns 0 on success, which includes trying to unlink an object that does @@ -1077,8 +1119,8 @@ int remove_or_warn(unsigned int mode, const char *path); int access_or_warn(const char *path, int mode, unsigned flag); int access_or_die(const char *path, int mode, unsigned flag); -/* Warn on an inaccessible file that ought to be accessible */ -void warn_on_inaccessible(const char *path); +/* 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 *); @@ -1101,6 +1143,21 @@ struct tm *git_gmtime_r(const time_t *, struct tm *); #define getc_unlocked(fh) getc(fh) #endif +/* + * Our code often opens a path to an optional file, to work on its + * contents when we can successfully open it. We can ignore a failure + * to open if such an optional file does not exist, but we do want to + * report a failure in opening for other reasons (e.g. we got an I/O + * error, or the file is there, but we lack the permission to open). + * + * Call this function after seeing an error from open() or fopen() to + * see if the errno indicates a missing file that we can safely ignore. + */ +static inline int is_missing_file_error(int errno_) +{ + return (errno_ == ENOENT || errno_ == ENOTDIR); +} + extern int cmd_main(int, const char **); #endif |