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Merge Windows build fixes for SDS library, from https://github.com/LynnKirby/sds fork commit 1ea0479693a8fd85351b75a6d41cef40a8e3e67c

This commit is contained in:
mcc 2018-11-07 17:03:31 -05:00
parent a46b4afbb8
commit b01a349275
2 changed files with 32 additions and 17 deletions
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9
src/lib/sds/sds.c
View File

@ -1,5 +1,6 @@
/* SDSLib 2.0 -- A C dynamic strings library
/* SDSLib 2.x -- A C dynamic strings library
*
* Copyright (c) 2018 Lynn Kirby <lynn@arrak.is>
* Copyright (c) 2006-2015, Salvatore Sanfilippo <antirez at gmail dot com>
* Copyright (c) 2015, Oran Agra
* Copyright (c) 2015, Redis Labs, Inc
@ -1246,9 +1247,8 @@ int sdsTest(void) {
memcmp(y,"\"\\a\\n\\x00foo\\r\"",15) == 0)
{
unsigned int oldfree;
char *p;
int step = 10, j, i;
size_t step = 10, j, i;
sdsfree(x);
sdsfree(y);
@ -1258,14 +1258,13 @@ int sdsTest(void) {
/* Run the test a few times in order to hit the first two
* SDS header types. */
for (i = 0; i < 10; i++) {
int oldlen = sdslen(x);
size_t oldlen = sdslen(x);
x = sdsMakeRoomFor(x,step);
int type = x[-1]&SDS_TYPE_MASK;
test_cond("sdsMakeRoomFor() len", sdslen(x) == oldlen);
if (type != SDS_TYPE_5) {
test_cond("sdsMakeRoomFor() free", sdsavail(x) >= step);
oldfree = sdsavail(x);
}
p = x+oldlen;
for (j = 0; j < step; j++) {

40
src/lib/sds/sds.h
View File

@ -1,5 +1,6 @@
/* SDSLib 2.0 -- A C dynamic strings library
/* SDSLib 2.x -- A C dynamic strings library
*
* Copyright (c) 2018 Lynn Kirby <lynn@arrak.is>
* Copyright (c) 2006-2015, Salvatore Sanfilippo <antirez at gmail dot com>
* Copyright (c) 2015, Oran Agra
* Copyright (c) 2015, Redis Labs, Inc
@ -42,36 +43,51 @@ const char *SDS_NOINIT;
typedef char *sds;
#ifdef _MSC_VER
#define PACK(decl) __pragma(pack(push, 1)) decl __pragma(pack(pop))
#if defined(_WIN64)
typedef __int64 ssize_t;
#else
typedef long ssize_t;
#endif
#else
#define PACK(decl) decl __attribute__((__packed__))
#endif
/* Note: sdshdr5 is never used, we just access the flags byte directly.
* However is here to document the layout of type 5 SDS strings. */
struct __attribute__ ((__packed__)) sdshdr5 {
PACK(struct sdshdr5 {
unsigned char flags; /* 3 lsb of type, and 5 msb of string length */
char buf[];
};
struct __attribute__ ((__packed__)) sdshdr8 {
});
PACK(struct sdshdr8 {
uint8_t len; /* used */
uint8_t alloc; /* excluding the header and null terminator */
unsigned char flags; /* 3 lsb of type, 5 unused bits */
char buf[];
};
struct __attribute__ ((__packed__)) sdshdr16 {
});
PACK(struct sdshdr16 {
uint16_t len; /* used */
uint16_t alloc; /* excluding the header and null terminator */
unsigned char flags; /* 3 lsb of type, 5 unused bits */
char buf[];
};
struct __attribute__ ((__packed__)) sdshdr32 {
});
PACK(struct sdshdr32 {
uint32_t len; /* used */
uint32_t alloc; /* excluding the header and null terminator */
unsigned char flags; /* 3 lsb of type, 5 unused bits */
char buf[];
};
struct __attribute__ ((__packed__)) sdshdr64 {
});
PACK(struct sdshdr64 {
uint64_t len; /* used */
uint64_t alloc; /* excluding the header and null terminator */
unsigned char flags; /* 3 lsb of type, 5 unused bits */
char buf[];
};
});
#undef PACK
#define SDS_TYPE_5 0
#define SDS_TYPE_8 1
@ -80,7 +96,7 @@ struct __attribute__ ((__packed__)) sdshdr64 {
#define SDS_TYPE_64 4
#define SDS_TYPE_MASK 7
#define SDS_TYPE_BITS 3
#define SDS_HDR_VAR(T,s) struct sdshdr##T *sh = (void*)((s)-(sizeof(struct sdshdr##T)));
#define SDS_HDR_VAR(T,s) struct sdshdr##T *sh = (struct sdshdr##T *)((s)-(sizeof(struct sdshdr##T)));
#define SDS_HDR(T,s) ((struct sdshdr##T *)((s)-(sizeof(struct sdshdr##T))))
#define SDS_TYPE_5_LEN(f) ((f)>>SDS_TYPE_BITS)