diff options
Diffstat (limited to 'src/libstrongswan/utils/utils.h')
| -rw-r--r-- | src/libstrongswan/utils/utils.h | 895 |
1 files changed, 27 insertions, 868 deletions
diff --git a/src/libstrongswan/utils/utils.h b/src/libstrongswan/utils/utils.h index 7c48d949f..acc15c42a 100644 --- a/src/libstrongswan/utils/utils.h +++ b/src/libstrongswan/utils/utils.h @@ -40,6 +40,33 @@ # include <poll.h> #endif +#include "utils/types.h" +#include "enum.h" +#include "utils/atomics.h" +#include "utils/align.h" +#include "utils/byteorder.h" +#include "utils/string.h" +#include "utils/memory.h" +#include "utils/strerror.h" +#include "utils/status.h" +#include "utils/object.h" +#include "utils/path.h" +#include "utils/time.h" +#include "utils/tty.h" +#ifdef __APPLE__ +# include "compat/apple.h" +#endif + +/** + * Initialize utility functions + */ +void utils_init(); + +/** + * Deinitialize utility functions + */ +void utils_deinit(); + /** * strongSwan program return codes */ @@ -75,236 +102,11 @@ BUILD_ASSERT(!__builtin_types_compatible_p(typeof(a), typeof(&(a)[0]))) /** - * General purpose boolean type. - */ -#ifdef HAVE_STDBOOL_H -# include <stdbool.h> -#else -# ifndef HAVE__BOOL -# define _Bool signed char -# endif /* HAVE__BOOL */ -# define bool _Bool -# define false 0 -# define true 1 -# define __bool_true_false_are_defined 1 -#endif /* HAVE_STDBOOL_H */ -#ifndef FALSE -# define FALSE false -#endif /* FALSE */ -#ifndef TRUE -# define TRUE true -#endif /* TRUE */ - -#include "enum.h" -#include "utils/strerror.h" -#ifdef __APPLE__ -# include "compat/apple.h" -#endif - -/** - * Directory separator character in paths on this platform - */ -#ifdef WIN32 -# define DIRECTORY_SEPARATOR "\\" -#else -# define DIRECTORY_SEPARATOR "/" -#endif - -/** - * Initialize utility functions - */ -void utils_init(); - -/** - * Deinitialize utility functions - */ -void utils_deinit(); - -/** - * Helper function that compares two strings for equality - */ -static inline bool streq(const char *x, const char *y) -{ - return strcmp(x, y) == 0; -} - -/** - * Helper function that compares two strings for equality, length limited - */ -static inline bool strneq(const char *x, const char *y, size_t len) -{ - return strncmp(x, y, len) == 0; -} - -/** - * Helper function that checks if a string starts with a given prefix - */ -static inline bool strpfx(const char *x, const char *prefix) -{ - return strneq(x, prefix, strlen(prefix)); -} - -/** - * Helper function that compares two strings for equality ignoring case - */ -static inline bool strcaseeq(const char *x, const char *y) -{ - return strcasecmp(x, y) == 0; -} - -/** - * Helper function that compares two strings for equality ignoring case, length limited - */ -static inline bool strncaseeq(const char *x, const char *y, size_t len) -{ - return strncasecmp(x, y, len) == 0; -} - -/** - * Helper function that checks if a string starts with a given prefix - */ -static inline bool strcasepfx(const char *x, const char *prefix) -{ - return strncaseeq(x, prefix, strlen(prefix)); -} - -/** - * NULL-safe strdup variant - */ -static inline char *strdupnull(const char *s) -{ - return s ? strdup(s) : NULL; -} - -/** - * Helper function that compares two binary blobs for equality - */ -static inline bool memeq(const void *x, const void *y, size_t len) -{ - return memcmp(x, y, len) == 0; -} - -/** - * Calling memcpy() with NULL pointers, even with n == 0, results in undefined - * behavior according to the C standard. This version is guaranteed to not - * access the pointers if n is 0. - */ -static inline void *memcpy_noop(void *dst, const void *src, size_t n) -{ - return n ? memcpy(dst, src, n) : dst; -} -#ifdef memcpy -# undef memcpy -#endif -#define memcpy(d,s,n) memcpy_noop(d,s,n) - -/** - * Calling memmove() with NULL pointers, even with n == 0, results in undefined - * behavior according to the C standard. This version is guaranteed to not - * access the pointers if n is 0. - */ -static inline void *memmove_noop(void *dst, const void *src, size_t n) -{ - return n ? memmove(dst, src, n) : dst; -} -#ifdef memmove -# undef memmove -#endif -#define memmove(d,s,n) memmove_noop(d,s,n) - -/** - * Calling memset() with a NULL pointer, even with n == 0, results in undefined - * behavior according to the C standard. This version is guaranteed to not - * access the pointer if n is 0. - */ -static inline void *memset_noop(void *s, int c, size_t n) -{ - return n ? memset(s, c, n) : s; -} -#ifdef memset -# undef memset -#endif -#define memset(s,c,n) memset_noop(s,c,n) - -/** - * Macro gives back larger of two values. - */ -#define max(x,y) ({ \ - typeof(x) _x = (x); \ - typeof(y) _y = (y); \ - _x > _y ? _x : _y; }) - -/** - * Macro gives back smaller of two values. - */ -#define min(x,y) ({ \ - typeof(x) _x = (x); \ - typeof(y) _y = (y); \ - _x < _y ? _x : _y; }) - -/** - * Call destructor of an object, if object != NULL - */ -#define DESTROY_IF(obj) if (obj) (obj)->destroy(obj) - -/** - * Call offset destructor of an object, if object != NULL - */ -#define DESTROY_OFFSET_IF(obj, offset) if (obj) obj->destroy_offset(obj, offset); - -/** - * Call function destructor of an object, if object != NULL - */ -#define DESTROY_FUNCTION_IF(obj, fn) if (obj) obj->destroy_function(obj, fn); - -/** * Debug macro to follow control flow */ #define POS printf("%s, line %d\n", __FILE__, __LINE__) /** - * Object allocation/initialization macro, using designated initializer. - */ -#define INIT(this, ...) { (this) = malloc(sizeof(*(this))); \ - *(this) = (typeof(*(this))){ __VA_ARGS__ }; } - -/** - * Method declaration/definition macro, providing private and public interface. - * - * Defines a method name with this as first parameter and a return value ret, - * and an alias for this method with a _ prefix, having the this argument - * safely casted to the public interface iface. - * _name is provided a function pointer, but will get optimized out by GCC. - */ -#define METHOD(iface, name, ret, this, ...) \ - static ret name(union {iface *_public; this;} \ - __attribute__((transparent_union)), ##__VA_ARGS__); \ - static typeof(name) *_##name = (typeof(name)*)name; \ - static ret name(this, ##__VA_ARGS__) - -/** - * Same as METHOD(), but is defined for two public interfaces. - */ -#define METHOD2(iface1, iface2, name, ret, this, ...) \ - static ret name(union {iface1 *_public1; iface2 *_public2; this;} \ - __attribute__((transparent_union)), ##__VA_ARGS__); \ - static typeof(name) *_##name = (typeof(name)*)name; \ - static ret name(this, ##__VA_ARGS__) - -/** - * Callback declaration/definition macro, allowing casted first parameter. - * - * This is very similar to METHOD, but instead of casting the first parameter - * to a public interface, it uses a void*. This allows type safe definition - * of a callback function, while using the real type for the first parameter. - */ -#define CALLBACK(name, ret, param1, ...) \ - static ret _cb_##name(union {void *_generic; param1;} \ - __attribute__((transparent_union)), ##__VA_ARGS__); \ - static typeof(_cb_##name) *name = (typeof(_cb_##name)*)_cb_##name; \ - static ret _cb_##name(param1, ##__VA_ARGS__) - -/** * This macro allows counting the number of arguments passed to a macro. * Combined with the VA_ARGS_DISPATCH() macro this can be used to implement * macro overloading based on the number of arguments. @@ -331,28 +133,6 @@ static inline void *memset_noop(void *s, int c, size_t n) #define __VA_ARGS_DISPATCH(func, num) func ## num /** - * Architecture independent bitfield definition helpers (at least with GCC). - * - * Defines a bitfield with a type t and a fixed size of bitfield members, e.g.: - * BITFIELD2(u_int8_t, - * low: 4, - * high: 4, - * ) flags; - * The member defined first placed at bit 0. - */ -#if BYTE_ORDER == LITTLE_ENDIAN -#define BITFIELD2(t, a, b,...) struct { t a; t b; __VA_ARGS__} -#define BITFIELD3(t, a, b, c,...) struct { t a; t b; t c; __VA_ARGS__} -#define BITFIELD4(t, a, b, c, d,...) struct { t a; t b; t c; t d; __VA_ARGS__} -#define BITFIELD5(t, a, b, c, d, e,...) struct { t a; t b; t c; t d; t e; __VA_ARGS__} -#elif BYTE_ORDER == BIG_ENDIAN -#define BITFIELD2(t, a, b,...) struct { t b; t a; __VA_ARGS__} -#define BITFIELD3(t, a, b, c,...) struct { t c; t b; t a; __VA_ARGS__} -#define BITFIELD4(t, a, b, c, d,...) struct { t d; t c; t b; t a; __VA_ARGS__} -#define BITFIELD5(t, a, b, c, d, e,...) struct { t e; t d; t c; t b; t a; __VA_ARGS__} -#endif - -/** * Macro to allocate a sized type. */ #define malloc_thing(thing) ((thing*)malloc(sizeof(thing))) @@ -369,313 +149,10 @@ static inline void *memset_noop(void *s, int c, size_t n) #define ignore_result(call) { if(call){}; } /** - * Assign a function as a class method - */ -#define ASSIGN(method, function) (method = (typeof(method))function) - -/** - * time_t not defined - */ -#define UNDEFINED_TIME 0 - -/** - * Maximum time since epoch causing wrap-around on Jan 19 03:14:07 UTC 2038 - */ -#define TIME_32_BIT_SIGNED_MAX 0x7fffffff - -/** - * define some missing fixed width int types on OpenSolaris. - * TODO: since the uintXX_t types are defined by the C99 standard we should - * probably use those anyway - */ -#if defined __sun || defined WIN32 - #include <stdint.h> - typedef uint8_t u_int8_t; - typedef uint16_t u_int16_t; - typedef uint32_t u_int32_t; - typedef uint64_t u_int64_t; -#endif - -typedef enum status_t status_t; - -/** - * Return values of function calls. - */ -enum status_t { - /** - * Call succeeded. - */ - SUCCESS, - - /** - * Call failed. - */ - FAILED, - - /** - * Out of resources. - */ - OUT_OF_RES, - - /** - * The suggested operation is already done - */ - ALREADY_DONE, - - /** - * Not supported. - */ - NOT_SUPPORTED, - - /** - * One of the arguments is invalid. - */ - INVALID_ARG, - - /** - * Something could not be found. - */ - NOT_FOUND, - - /** - * Error while parsing. - */ - PARSE_ERROR, - - /** - * Error while verifying. - */ - VERIFY_ERROR, - - /** - * Object in invalid state. - */ - INVALID_STATE, - - /** - * Destroy object which called method belongs to. - */ - DESTROY_ME, - - /** - * Another call to the method is required. - */ - NEED_MORE, -}; - -/** - * enum_names for type status_t. - */ -extern enum_name_t *status_names; - -typedef enum tty_escape_t tty_escape_t; - -/** - * Excape codes for tty colors - */ -enum tty_escape_t { - /** text properties */ - TTY_RESET, - TTY_BOLD, - TTY_UNDERLINE, - TTY_BLINKING, - - /** foreground colors */ - TTY_FG_BLACK, - TTY_FG_RED, - TTY_FG_GREEN, - TTY_FG_YELLOW, - TTY_FG_BLUE, - TTY_FG_MAGENTA, - TTY_FG_CYAN, - TTY_FG_WHITE, - TTY_FG_DEF, - - /** background colors */ - TTY_BG_BLACK, - TTY_BG_RED, - TTY_BG_GREEN, - TTY_BG_YELLOW, - TTY_BG_BLUE, - TTY_BG_MAGENTA, - TTY_BG_CYAN, - TTY_BG_WHITE, - TTY_BG_DEF, -}; - -/** - * Get the escape string for a given TTY color, empty string on non-tty fd - */ -char* tty_escape_get(int fd, tty_escape_t escape); - -/** - * deprecated pluto style return value: - * error message, NULL for success - */ -typedef const char *err_t; - -/** - * Handle struct timeval like an own type. - */ -typedef struct timeval timeval_t; - -/** - * Handle struct timespec like an own type. - */ -typedef struct timespec timespec_t; - -/** - * Handle struct chunk_t like an own type. - */ -typedef struct sockaddr sockaddr_t; - -/** - * Same as memcpy, but XORs src into dst instead of copy - */ -void memxor(u_int8_t dest[], u_int8_t src[], size_t n); - -/** - * Safely overwrite n bytes of memory at ptr with zero, non-inlining variant. - */ -void memwipe_noinline(void *ptr, size_t n); - -/** - * Safely overwrite n bytes of memory at ptr with zero, inlining variant. - */ -static inline void memwipe_inline(void *ptr, size_t n) -{ - volatile char *c = (volatile char*)ptr; - size_t m, i; - - /* byte wise until long aligned */ - for (i = 0; (uintptr_t)&c[i] % sizeof(long) && i < n; i++) - { - c[i] = 0; - } - /* word wise */ - if (n >= sizeof(long)) - { - for (m = n - sizeof(long); i <= m; i += sizeof(long)) - { - *(volatile long*)&c[i] = 0; - } - } - /* byte wise of the rest */ - for (; i < n; i++) - { - c[i] = 0; - } -} - -/** - * Safely overwrite n bytes of memory at ptr with zero, auto-inlining variant. - */ -static inline void memwipe(void *ptr, size_t n) -{ - if (!ptr) - { - return; - } - if (__builtin_constant_p(n)) - { - memwipe_inline(ptr, n); - } - else - { - memwipe_noinline(ptr, n); - } -} - -/** - * A variant of strstr with the characteristics of memchr, where haystack is not - * a null-terminated string but simply a memory area of length n. - */ -void *memstr(const void *haystack, const char *needle, size_t n); - -/** - * Replacement for memrchr(3) if it is not provided by the C library. - * - * @param s start of the memory area to search - * @param c character to search - * @param n length of memory area to search - * @return pointer to the found character or NULL - */ -void *utils_memrchr(const void *s, int c, size_t n); - -#ifndef HAVE_MEMRCHR -#define memrchr(s,c,n) utils_memrchr(s,c,n) -#endif - -/** - * Translates the characters in the given string, searching for characters - * in 'from' and mapping them to characters in 'to'. - * The two characters sets 'from' and 'to' must contain the same number of - * characters. - */ -char *translate(char *str, const char *from, const char *to); - -/** - * Replaces all occurrences of search in the given string with replace. - * - * Allocates memory only if anything is replaced in the string. The original - * string is also returned if any of the arguments are invalid (e.g. if search - * is empty or any of them are NULL). - * - * @param str original string - * @param search string to search for and replace - * @param replace string to replace found occurrences with - * @return allocated string, if anything got replaced, str otherwise - */ -char *strreplace(const char *str, const char *search, const char *replace); - -/** * Portable function to wait for SIGINT/SIGTERM (or equivalent). */ void wait_sigint(); -/** - * Like dirname(3) returns the directory part of the given null-terminated - * pathname, up to but not including the final '/' (or '.' if no '/' is found). - * Trailing '/' are not counted as part of the pathname. - * - * The difference is that it does this in a thread-safe manner (i.e. it does not - * use static buffers) and does not modify the original path. - * - * @param path original pathname - * @return allocated directory component - */ -char *path_dirname(const char *path); - -/** - * Like basename(3) returns the filename part of the given null-terminated path, - * i.e. the part following the final '/' (or '.' if path is empty or NULL). - * Trailing '/' are not counted as part of the pathname. - * - * The difference is that it does this in a thread-safe manner (i.e. it does not - * use static buffers) and does not modify the original path. - * - * @param path original pathname - * @return allocated filename component - */ -char *path_basename(const char *path); - -/** - * Check if a given path is absolute. - * - * @param path path to check - * @return TRUE if absolute, FALSE if relative - */ -bool path_absolute(const char *path); - -/** - * Creates a directory and all required parent directories. - * - * @param path path to the new directory - * @param mode permissions of the new directory/directories - * @return TRUE on success - */ -bool mkdir_p(const char *path, mode_t mode); - #ifndef HAVE_CLOSEFROM /** * Close open file descriptors greater than or equal to lowfd. @@ -686,34 +163,6 @@ void closefrom(int lowfd); #endif /** - * Get a timestamp from a monotonic time source. - * - * While the time()/gettimeofday() functions are affected by leap seconds - * and system time changes, this function returns ever increasing monotonic - * time stamps. - * - * @param tv timeval struct receiving monotonic timestamps, or NULL - * @return monotonic timestamp in seconds - */ -time_t time_monotonic(timeval_t *tv); - -/** - * Add the given number of milliseconds to the given timeval struct - * - * @param tv timeval struct to modify - * @param ms number of milliseconds - */ -static inline void timeval_add_ms(timeval_t *tv, u_int ms) -{ - tv->tv_usec += ms * 1000; - while (tv->tv_usec >= 1000000 /* 1s */) - { - tv->tv_usec -= 1000000; - tv->tv_sec++; - } -} - -/** * returns null */ void *return_null(); @@ -733,294 +182,4 @@ bool return_true(); */ bool return_false(); -/** - * returns FAILED - */ -status_t return_failed(); - -/** - * returns SUCCESS - */ -status_t return_success(); - -/** - * Write a 16-bit host order value in network order to an unaligned address. - * - * @param host host order 16-bit value - * @param network unaligned address to write network order value to - */ -static inline void htoun16(void *network, u_int16_t host) -{ - char *unaligned = (char*)network; - - host = htons(host); - memcpy(unaligned, &host, sizeof(host)); -} - -/** - * Write a 32-bit host order value in network order to an unaligned address. - * - * @param host host order 32-bit value - * @param network unaligned address to write network order value to - */ -static inline void htoun32(void *network, u_int32_t host) -{ - char *unaligned = (char*)network; - - host = htonl(host); - memcpy((char*)unaligned, &host, sizeof(host)); -} - -/** - * Write a 64-bit host order value in network order to an unaligned address. - * - * @param host host order 64-bit value - * @param network unaligned address to write network order value to - */ -static inline void htoun64(void *network, u_int64_t host) -{ - char *unaligned = (char*)network; - -#ifdef be64toh - host = htobe64(host); - memcpy((char*)unaligned, &host, sizeof(host)); -#else - u_int32_t high_part, low_part; - - high_part = host >> 32; - high_part = htonl(high_part); - low_part = host & 0xFFFFFFFFLL; - low_part = htonl(low_part); - - memcpy(unaligned, &high_part, sizeof(high_part)); - unaligned += sizeof(high_part); - memcpy(unaligned, &low_part, sizeof(low_part)); -#endif -} - -/** - * Read a 16-bit value in network order from an unaligned address to host order. - * - * @param network unaligned address to read network order value from - * @return host order value - */ -static inline u_int16_t untoh16(void *network) -{ - char *unaligned = (char*)network; - u_int16_t tmp; - - memcpy(&tmp, unaligned, sizeof(tmp)); - return ntohs(tmp); -} - -/** - * Read a 32-bit value in network order from an unaligned address to host order. - * - * @param network unaligned address to read network order value from - * @return host order value - */ -static inline u_int32_t untoh32(void *network) -{ - char *unaligned = (char*)network; - u_int32_t tmp; - - memcpy(&tmp, unaligned, sizeof(tmp)); - return ntohl(tmp); -} - -/** - * Read a 64-bit value in network order from an unaligned address to host order. - * - * @param network unaligned address to read network order value from - * @return host order value - */ -static inline u_int64_t untoh64(void *network) -{ - char *unaligned = (char*)network; - -#ifdef be64toh - u_int64_t tmp; - - memcpy(&tmp, unaligned, sizeof(tmp)); - return be64toh(tmp); -#else - u_int32_t high_part, low_part; - - memcpy(&high_part, unaligned, sizeof(high_part)); - unaligned += sizeof(high_part); - memcpy(&low_part, unaligned, sizeof(low_part)); - - high_part = ntohl(high_part); - low_part = ntohl(low_part); - - return (((u_int64_t)high_part) << 32) + low_part; -#endif -} - -/** - * Get the padding required to make size a multiple of alignment - */ -static inline size_t pad_len(size_t size, size_t alignment) -{ - size_t remainder; - - remainder = size % alignment; - return remainder ? alignment - remainder : 0; -} - -/** - * Round up size to be multiple of alignment - */ -static inline size_t round_up(size_t size, size_t alignment) -{ - return size + pad_len(size, alignment); -} - -/** - * Round down size to be a multiple of alignment - */ -static inline size_t round_down(size_t size, size_t alignment) -{ - return size - (size % alignment); -} - -/** - * Special type to count references - */ -typedef u_int refcount_t; - -/* use __atomic* built-ins with GCC 4.7 and newer */ -#ifdef __GNUC__ -# if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 6)) -# define HAVE_GCC_ATOMIC_OPERATIONS -# endif -#endif - -#ifdef HAVE_GCC_ATOMIC_OPERATIONS - -#define ref_get(ref) __atomic_add_fetch(ref, 1, __ATOMIC_RELAXED) -/* The relaxed memory model works fine for increments as these (usually) don't - * change the state of refcounted objects. But here we have to ensure that we - * free the right stuff if ref counted objects are mutable. So we have to sync - * with other threads that call ref_put(). It would be sufficient to use - * __ATOMIC_RELEASE here and then call __atomic_thread_fence() with - * __ATOMIC_ACQUIRE if we reach 0, but since we don't have control over the use - * of ref_put() we have to make sure. */ -#define ref_put(ref) (!__atomic_sub_fetch(ref, 1, __ATOMIC_ACQ_REL)) -#define ref_cur(ref) __atomic_load_n(ref, __ATOMIC_RELAXED) - -#define _cas_impl(ptr, oldval, newval) ({ typeof(oldval) _old = oldval; \ - __atomic_compare_exchange_n(ptr, &_old, newval, FALSE, \ - __ATOMIC_SEQ_CST, __ATOMIC_RELAXED); }) -#define cas_bool(ptr, oldval, newval) _cas_impl(ptr, oldval, newval) -#define cas_ptr(ptr, oldval, newval) _cas_impl(ptr, oldval, newval) - -#elif defined(HAVE_GCC_SYNC_OPERATIONS) - -#define ref_get(ref) __sync_add_and_fetch(ref, 1) -#define ref_put(ref) (!__sync_sub_and_fetch(ref, 1)) -#define ref_cur(ref) __sync_fetch_and_add(ref, 0) - -#define cas_bool(ptr, oldval, newval) \ - (__sync_bool_compare_and_swap(ptr, oldval, newval)) -#define cas_ptr(ptr, oldval, newval) \ - (__sync_bool_compare_and_swap(ptr, oldval, newval)) - -#else /* !HAVE_GCC_ATOMIC_OPERATIONS && !HAVE_GCC_SYNC_OPERATIONS */ - -/** - * Get a new reference. - * - * Increments the reference counter atomically. - * - * @param ref pointer to ref counter - * @return new value of ref - */ -refcount_t ref_get(refcount_t *ref); - -/** - * Put back a unused reference. - * - * Decrements the reference counter atomically and - * says if more references available. - * - * @param ref pointer to ref counter - * @return TRUE if no more references counted - */ -bool ref_put(refcount_t *ref); - -/** - * Get the current value of the reference counter. - * - * @param ref pointer to ref counter - * @return current value of ref - */ -refcount_t ref_cur(refcount_t *ref); - -/** - * Atomically replace value of ptr with newval if it currently equals oldval. - * - * @param ptr pointer to variable - * @param oldval old value of the variable - * @param newval new value set if possible - * @return TRUE if value equaled oldval and newval was written - */ -bool cas_bool(bool *ptr, bool oldval, bool newval); - -/** - * Atomically replace value of ptr with newval if it currently equals oldval. - * - * @param ptr pointer to variable - * @param oldval old value of the variable - * @param newval new value set if possible - * @return TRUE if value equaled oldval and newval was written - */ -bool cas_ptr(void **ptr, void *oldval, void *newval); - -#endif /* HAVE_GCC_ATOMIC_OPERATIONS */ - -#ifndef HAVE_FMEMOPEN -# ifdef HAVE_FUNOPEN -# define HAVE_FMEMOPEN -# define HAVE_FMEMOPEN_FALLBACK -# include <stdio.h> -/** - * fmemopen(3) fallback using BSD funopen. - * - * We could also provide one using fopencookie(), but should we have it we - * most likely have fmemopen(). - * - * fseek() is currently not supported. - */ -FILE *fmemopen(void *buf, size_t size, const char *mode); -# endif /* FUNOPEN */ -#endif /* FMEMOPEN */ - -/** - * printf hook for time_t. - * - * Arguments are: - * time_t* time, bool utc - */ -int time_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec, - const void *const *args); - -/** - * printf hook for time_t deltas. - * - * Arguments are: - * time_t* begin, time_t* end - */ -int time_delta_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec, - const void *const *args); - -/** - * printf hook for memory areas. - * - * Arguments are: - * u_char *ptr, u_int len - */ -int mem_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec, - const void *const *args); - #endif /** UTILS_H_ @}*/ |