From 5d8dfe892a2ea89f706ee140c3bdcfd89fe03fda Mon Sep 17 00:00:00 2001 From: Mitja Felicijan Date: Wed, 21 Jan 2026 22:40:55 +0100 Subject: Add Redis source code for testing --- examples/redis-unstable/src/util.h | 102 +++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 examples/redis-unstable/src/util.h (limited to 'examples/redis-unstable/src/util.h') diff --git a/examples/redis-unstable/src/util.h b/examples/redis-unstable/src/util.h new file mode 100644 index 0000000..cbc63ea --- /dev/null +++ b/examples/redis-unstable/src/util.h @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2009-Present, Redis Ltd. + * All rights reserved. + * + * Licensed under your choice of (a) the Redis Source Available License 2.0 + * (RSALv2); or (b) the Server Side Public License v1 (SSPLv1); or (c) the + * GNU Affero General Public License v3 (AGPLv3). + */ + +#ifndef __REDIS_UTIL_H +#define __REDIS_UTIL_H + +#include +#include "sds.h" + +/* The maximum number of characters needed to represent a long double + * as a string (long double has a huge range of some 4952 chars, see LDBL_MAX). + * This should be the size of the buffer given to ld2string */ +#define MAX_LONG_DOUBLE_CHARS 5*1024 + +/* The maximum number of characters needed to represent a double + * as a string (double has a huge range of some 328 chars, see DBL_MAX). + * This should be the size of the buffer for sprintf with %f */ +#define MAX_DOUBLE_CHARS 400 + +/* The maximum number of characters needed to for d2string/fpconv_dtoa call. + * Since it uses %g and not %f, some 40 chars should be enough. */ +#define MAX_D2STRING_CHARS 128 + +/* Bytes needed for long -> str + '\0' */ +#define LONG_STR_SIZE 21 + +/* long double to string conversion options */ +typedef enum { + LD_STR_AUTO, /* %.17Lg */ + LD_STR_HUMAN, /* %.17Lf + Trimming of trailing zeros */ + LD_STR_HEX /* %La */ +} ld2string_mode; + +int prefixmatch(const char *pattern, int patternLen, const char *prefixStr, + int prefixStrLen, int nocase); +int stringmatchlen(const char *p, int plen, const char *s, int slen, int nocase); +int stringmatch(const char *p, const char *s, int nocase); +int stringmatchlen_fuzz_test(void); +unsigned long long memtoull(const char *p, int *err); +const char *mempbrk(const char *s, size_t len, const char *chars, size_t charslen); +char *memmapchars(char *s, size_t len, const char *from, const char *to, size_t setlen); +uint32_t digits10(uint64_t v); +uint32_t sdigits10(int64_t v); +int ll2string(char *s, size_t len, long long value); +int ull2string(char *s, size_t len, unsigned long long value); +int string2ll(const char *s, size_t slen, long long *value); +int string2ull(const char *s, unsigned long long *value); +int string2l(const char *s, size_t slen, long *value); +int string2ul_base16_async_signal_safe(const char *src, size_t slen, unsigned long *result_output); +int string2ld(const char *s, size_t slen, long double *dp); +int string2d(const char *s, size_t slen, double *dp); +int trimDoubleString(char *buf, size_t len); +int d2string(char *buf, size_t len, double value); +int fixedpoint_d2string(char *dst, size_t dstlen, double dvalue, int fractional_digits); +int ld2string(char *buf, size_t len, long double value, ld2string_mode mode); +int double2ll(double d, long long *out); +int yesnotoi(char *s); +sds getAbsolutePath(char *filename); +long getTimeZone(void); +int pathIsBaseName(char *path); +int dirCreateIfMissing(char *dname); +int dirExists(char *dname); +int dirRemove(char *dname); +int fileExist(char *filename); +sds makePath(char *path, char *filename); +int fsyncFileDir(const char *filename); +int reclaimFilePageCache(int fd, size_t offset, size_t length); +char *fgets_async_signal_safe(char *dest, int buff_size, int fd); +int vsnprintf_async_signal_safe(char *to, size_t size, const char *format, va_list ap); +#ifdef __GNUC__ +int snprintf_async_signal_safe(char *to, size_t n, const char *fmt, ...) + __attribute__((format(printf, 3, 4))); +#else +int snprintf_async_signal_safe(char *to, size_t n, const char *fmt, ...); +#endif +size_t redis_strlcpy(char *dst, const char *src, size_t dsize); +size_t redis_strlcat(char *dst, const char *src, size_t dsize); + +/* to keep it opt without conditions Works only for: 0 < x < 2^63 */ +static inline int log2ceil(size_t x) { +#if UINTPTR_MAX == 0xffffffffffffffff + return 63 - __builtin_clzll(x); +#else + return 31 - __builtin_clz(x); +#endif +} + +#ifndef static_assert +#define static_assert(expr, lit) extern char __static_assert_failure[(expr) ? 1:-1] +#endif + +#ifdef REDIS_TEST +int utilTest(int argc, char **argv, int flags); +#endif + +#endif -- cgit v1.2.3