X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Futil.h;h=ee9598e0909d1f0176595e20e41c10b449509c44;hp=08a661b8d34572de7e02a37a28406f6335921d24;hb=a4afe5a6e7fc70b3e73022f4911e7a60d67a7675;hpb=f5a27d3815fe8e127b42de32bb2eb11abaae5a10 diff --git a/src/util.h b/src/util.h index 08a661b8..ee9598e0 100644 --- a/src/util.h +++ b/src/util.h @@ -1,35 +1,40 @@ #ifndef _WIMLIB_UTIL_H #define _WIMLIB_UTIL_H +#include "config.h" +#include "wimlib_tchar.h" + #include #include #include #include #include -#include "config.h" #ifdef __GNUC__ -# define WIMLIBAPI __attribute__((visibility("default"))) -# define NOINLINE __attribute__((noinline)) +# if defined(__CYGWIN__) || defined(__WIN32__) +# define WIMLIBAPI __declspec(dllexport) +# else +# define WIMLIBAPI __attribute__((visibility("default"))) +# endif # define ALWAYS_INLINE inline __attribute__((always_inline)) +# define PACKED __attribute__((packed)) # define FORMAT(type, format_str, args_start) \ - __attribute__((format(type, format_str, args_start))) + /*__attribute__((format(type, format_str, args_start))) */ # if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) # define COLD __attribute__((cold)) -# define HOT __attribute__((hot)) # else # define COLD -# define HOT # endif #else # define WIMLIBAPI -# define NOINLINE # define ALWAYS_INLINE inline # define FORMAT(type, format_str, args_start) # define COLD -# define HOT +# define PACKED #endif /* __GNUC__ */ + +#if 0 #ifdef WITH_FUSE #define atomic_inc(ptr) \ __sync_fetch_and_add(ptr, 1) @@ -37,6 +42,7 @@ #define atomic_dec(ptr) \ __sync_sub_and_fetch(ptr, 1) #endif +#endif #ifndef _NTFS_TYPES_H typedef uint8_t u8; @@ -44,7 +50,46 @@ typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; #endif -typedef unsigned uint; + + +/* A pointer to 'utf16lechar' indicates a UTF-16LE encoded string */ +typedef u16 utf16lechar; + +#define TMALLOC(n) MALLOC((n) * sizeof(tchar)) + +/* encoding.c */ +extern void +iconv_global_cleanup(); + +extern bool wimlib_mbs_is_utf8; + +#define DECLARE_CHAR_CONVERSION_FUNCTIONS(varname1, varname2, \ + chartype1, chartype2) \ + \ +extern int \ +varname1##_to_##varname2(const chartype1 *in, size_t in_nbytes, \ + chartype2 **out_ret, \ + size_t *out_nbytes_ret); \ + \ +extern int \ +varname1##_to_##varname2##_nbytes(const chartype1 *in, size_t in_nbytes,\ + size_t *out_nbytes_ret); \ + \ +extern int \ +varname1##_to_##varname2##_buf(const chartype1 *in, size_t in_nbytes, \ + chartype2 *out); + + +#if !TCHAR_IS_UTF16LE +DECLARE_CHAR_CONVERSION_FUNCTIONS(utf16le, tstr, utf16lechar, tchar); +DECLARE_CHAR_CONVERSION_FUNCTIONS(tstr, utf16le, tchar, utf16lechar); +#endif + +extern int +utf8_to_tstr_simple(const char *utf8str, tchar **out); + +extern int +tstr_to_utf8_simple(const tchar *tstr, char **out); #ifndef min #define min(a, b) ({ typeof(a) __a = (a); typeof(b) __b = (b); \ @@ -73,6 +118,12 @@ typedef unsigned uint; (type *)( (char *)__mptr - offsetof(type,member) );}) #endif +#define DIV_ROUND_UP(numerator, denominator) \ + (((numerator) + (denominator) - 1) / (denominator)) + +#define MODULO_NONZERO(numerator, denominator) \ + (((numerator) % (denominator)) ? ((numerator) % (denominator)) : (denominator)) + #define ARRAY_LEN(array) (sizeof(array) / sizeof((array)[0])) #define ZERO_ARRAY(array) memset(array, 0, sizeof(array)) @@ -80,105 +131,158 @@ typedef unsigned uint; /* Used for buffering FILE IO in a few places */ #define BUFFER_SIZE 4096 +static inline void FORMAT(printf, 1, 2) +dummy_tprintf(const tchar *format, ...) +{ +} + #ifdef ENABLE_ERROR_MESSAGES -extern bool __wimlib_print_errors; -extern void wimlib_error(const char *format, ...) - FORMAT(printf, 1, 2) COLD; -extern void wimlib_error_with_errno(const char *format, ...) - FORMAT(printf, 1, 2) COLD; -extern void wimlib_warning(const char *format, ...) - FORMAT(printf, 1, 2) COLD; -# define ERROR wimlib_error -# define ERROR_WITH_ERRNO wimlib_error_with_errno -# define WARNING wimlib_warning -#else -# define ERROR(format, ...) -# define ERROR_WITH_ERRNO(format, ...) -# define WARNING(format, ...) -#endif /* ENABLE_ERROR_MESSAGES */ - -#if defined(ENABLE_DEBUG) || defined(ENABLE_MORE_DEBUG) -# include -# define DEBUG(format, ...) \ - ({ \ - int __errno_save = errno; \ - fprintf(stdout, "[%s %d] %s(): " format, \ - __FILE__, __LINE__, __func__, ## __VA_ARGS__); \ - putchar('\n'); \ - fflush(stdout); \ - errno = __errno_save; \ - }) +extern void +wimlib_error(const tchar *format, ...) FORMAT(printf, 1, 2) COLD; + +extern void +wimlib_error_with_errno(const tchar *format, ...) FORMAT(printf, 1, 2) COLD; + +extern void +wimlib_warning(const tchar *format, ...) FORMAT(printf, 1, 2) COLD; + +extern void +wimlib_warning_with_errno(const tchar *format, ...) FORMAT(printf, 1, 2) COLD; +# define ERROR(format, ...) wimlib_error(T(format), ## __VA_ARGS__) +# define ERROR_WITH_ERRNO(format, ...) wimlib_error_with_errno(T(format), ## __VA_ARGS__) +# define WARNING(format, ...) wimlib_warning(T(format), ## __VA_ARGS__) +# define WARNING_WITH_ERRNO(format, ...) wimlib_warning_with_errno(T(format), ## __VA_ARGS__) +#else /* ENABLE_ERROR_MESSAGES */ +# define ERROR(format, ...) dummy_tprintf(T(format), ## __VA_ARGS__) +# define ERROR_WITH_ERRNO(format, ...) dummy_tprintf(T(format), ## __VA_ARGS__) +# define WARNING(format, ...) dummy_tprintf(T(format), ## __VA_ARGS__) +# define WARNING_WITH_ERRNO(format, ...) dummy_tprintf(T(format), ## __VA_ARGS__) +#endif /* !ENABLE_ERROR_MESSAGES */ + +#if defined(ENABLE_MORE_DEBUG) && !defined(ENABLE_DEBUG) +# define ENABLE_DEBUG 1 +#endif + +#if defined(ENABLE_MORE_ASSERTIONS) && !defined(ENABLE_ASSERTIONS) +# define ENABLE_ASSERTIONS 1 +#endif + +#ifdef ENABLE_DEBUG +extern void +wimlib_debug(const tchar *file, int line, const char *func, + const tchar *format, ...); +# define DEBUG(format, ...) \ + wimlib_debug(T(__FILE__), __LINE__, __func__, T(format), ## __VA_ARGS__) #else -# define DEBUG(format, ...) -#endif /* ENABLE_DEBUG || ENABLE_MORE_DEBUG */ +# define DEBUG(format, ...) dummy_tprintf(T(format), ## __VA_ARGS__) +#endif /* !ENABLE_DEBUG */ #ifdef ENABLE_MORE_DEBUG -# define DEBUG2(format, ...) DEBUG(format, ## __VA_ARGS__) +# define DEBUG2(format, ...) DEBUG(format, ## __VA_ARGS__) #else -# define DEBUG2(format, ...) -#endif /* ENABLE_DEBUG */ +# define DEBUG2(format, ...) dummy_tprintf(T(format), ## __VA_ARGS__) +#endif /* !ENABLE_MORE_DEBUG */ #ifdef ENABLE_ASSERTIONS #include -# define wimlib_assert(expr) assert(expr) +# define wimlib_assert(expr) assert(expr) #else -# define wimlib_assert(expr) -#endif +# define wimlib_assert(expr) +#endif /* !ENABLE_ASSERTIONS */ +#ifdef ENABLE_MORE_ASSERTIONS +# define wimlib_assert2(expr) wimlib_assert(expr) +#else +# define wimlib_assert2(expr) +#endif /* !ENABLE_MORE_ASSERTIONS */ + +#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) #ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR extern void *(*wimlib_malloc_func)(size_t); extern void (*wimlib_free_func)(void *); extern void *(*wimlib_realloc_func)(void *, size_t); extern void *wimlib_calloc(size_t nmemb, size_t size); +#ifdef __WIN32__ +extern wchar_t *wimlib_wcsdup(const wchar_t *str); +#endif extern char *wimlib_strdup(const char *str); -# define MALLOC wimlib_malloc_func -# define FREE wimlib_free_func -# define REALLOC wimlib_realloc_func -# define CALLOC wimlib_calloc -# define STRDUP wimlib_strdup -#else -# include -# include -# define MALLOC malloc -# define FREE free -# define REALLOC realloc -# define CALLOC calloc -# define STRDUP strdup -#endif /* ENABLE_CUSTOM_MEMORY_ALLOCATOR */ - - -extern char *utf16_to_utf8(const char *utf16_str, size_t utf16_len, - size_t *utf8_len_ret); - -extern char *utf8_to_utf16(const char *utf8_str, size_t utf8_len, - size_t *utf16_len_ret); - -extern void randomize_byte_array(u8 *p, size_t n); - -extern void randomize_char_array_with_alnum(char p[], size_t n); - -extern const char *path_next_part(const char *path, - size_t *first_part_len_ret); - -extern const char *path_basename(const char *path); - -extern const char *path_stream_name(const char *path); +# define MALLOC wimlib_malloc_func +# define FREE wimlib_free_func +# define REALLOC wimlib_realloc_func +# define CALLOC wimlib_calloc +# define STRDUP wimlib_strdup +# define WSTRDUP wimlib_wcsdup +#else /* ENABLE_CUSTOM_MEMORY_ALLOCATOR */ +# include +# include +# define MALLOC malloc +# define FREE free +# define REALLOC realloc +# define CALLOC calloc +# define STRDUP strdup +# define WSTRDUP wcsdup +#endif /* !ENABLE_CUSTOM_MEMORY_ALLOCATOR */ + + +/* util.c */ +extern void +randomize_byte_array(u8 *p, size_t n); + +extern void +randomize_char_array_with_alnum(tchar p[], size_t n); + +const tchar * +path_basename_with_len(const tchar *path, size_t len); + +const tchar * +path_basename(const tchar *path); + +extern const tchar * +path_stream_name(const tchar *path); + +static inline void +print_byte_field(const u8 field[], size_t len, FILE *out) +{ + while (len--) + tfprintf(out, T("%02hhx"), *field++); +} -extern void to_parent_name(char buf[], size_t len); +static inline u32 +bsr32(u32 n) +{ +#if defined(__x86__) || defined(__x86_64__) + asm("bsrl %0, %0;" + : "=r"(n) + : "0" (n)); + return n; +#else + u32 pow = 0; + while ((n >>= 1) != 0) + pow++; + return pow; +#endif +} -extern void print_string(const void *string, size_t len); +#ifdef __WIN32__ +# define wimlib_fprintf fwprintf +# define wimlib_printf wprintf +#else /* __WIN32__ */ +extern int +wimlib_fprintf(FILE *fp, const tchar *format, ...) FORMAT(printf, 2, 3); -extern int get_num_path_components(const char *path); +extern int +wimlib_printf(const tchar *format, ...) FORMAT(printf, 1, 2); +#endif /* !__WIN32__ */ -extern ssize_t full_write(int fd, const void *buf, size_t n); +extern void +zap_backslashes(tchar *s); -static inline void print_byte_field(const u8 field[], size_t len) +static inline u64 +hash_u64(u64 n) { - while (len--) - printf("%02hhx", *field++); + return n * 0x9e37fffffffc0001ULL; } - #endif /* _WIMLIB_UTIL_H */