hiredis was extracted from redis-tools, reverted to standard malloc/free, ported to the new protocol, and started as a stand alone project in order to support the need of a C client in the Redis community
This commit is contained in:
antirez
commit
4f6fc6dfb1
53
Makefile
Normal file
53
Makefile
Normal file
@ -0,0 +1,53 @@
|
||||
# Hiredis Makefile
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# Copyright (C) 2010 Salvatore Sanfilippo <antirez at gmail dot com>
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# This file is released under the BSD license, see the COPYING file
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uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
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OPTIMIZATION?=-O2
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ifeq ($(uname_S),SunOS)
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CFLAGS?= -std=c99 -pedantic $(OPTIMIZATION) -Wall -W -D__EXTENSIONS__ -D_XPG6
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CCLINK?= -ldl -lnsl -lsocket -lm -lpthread
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else
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CFLAGS?= -std=c99 -pedantic $(OPTIMIZATION) -Wall -W $(ARCH) $(PROF)
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CCLINK?= -lm -pthread
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endif
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CCOPT= $(CFLAGS) $(CCLINK) $(ARCH) $(PROF)
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DEBUG?= -g -rdynamic -ggdb
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OBJ = anet.o hiredis.o sds.o example.o
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PRGNAME = hiredis-example
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all: hiredis-example
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# Deps (use make dep to generate this)
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anet.o: anet.c fmacros.h anet.h
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hiredis.o: hiredis.c hiredis.h sds.h anet.h
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sds.o: sds.c sds.h
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hiredis-example: $(OBJ)
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$(CC) -o $(PRGNAME) $(CCOPT) $(DEBUG) $(OBJ)
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.c.o:
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$(CC) -c $(CFLAGS) $(DEBUG) $(COMPILE_TIME) $<
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clean:
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rm -rf $(PRGNAME) *.o *.gcda *.gcno *.gcov
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dep:
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$(CC) -MM *.c
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32bit:
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||||
@echo ""
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@echo "WARNING: if it fails under Linux you probably need to install libc6-dev-i386"
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@echo ""
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make ARCH="-m32"
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gprof:
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make PROF="-pg"
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gcov:
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make PROF="-fprofile-arcs -ftest-coverage"
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noopt:
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make OPTIMIZATION=""
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270
anet.c
Normal file
270
anet.c
Normal file
@ -0,0 +1,270 @@
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/* anet.c -- Basic TCP socket stuff made a bit less boring
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*
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* Copyright (c) 2006-2010, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of Redis nor the names of its contributors may be used
|
||||
* to endorse or promote products derived from this software without
|
||||
* specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "fmacros.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <netdb.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "anet.h"
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static void anetSetError(char *err, const char *fmt, ...)
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{
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va_list ap;
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if (!err) return;
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va_start(ap, fmt);
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vsnprintf(err, ANET_ERR_LEN, fmt, ap);
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va_end(ap);
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}
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int anetNonBlock(char *err, int fd)
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{
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int flags;
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/* Set the socket nonblocking.
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* Note that fcntl(2) for F_GETFL and F_SETFL can't be
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* interrupted by a signal. */
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if ((flags = fcntl(fd, F_GETFL)) == -1) {
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anetSetError(err, "fcntl(F_GETFL): %s\n", strerror(errno));
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return ANET_ERR;
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}
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if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) {
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anetSetError(err, "fcntl(F_SETFL,O_NONBLOCK): %s\n", strerror(errno));
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return ANET_ERR;
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}
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return ANET_OK;
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}
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int anetTcpNoDelay(char *err, int fd)
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{
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int yes = 1;
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if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes)) == -1)
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{
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anetSetError(err, "setsockopt TCP_NODELAY: %s\n", strerror(errno));
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return ANET_ERR;
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}
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return ANET_OK;
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}
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int anetSetSendBuffer(char *err, int fd, int buffsize)
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{
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if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buffsize, sizeof(buffsize)) == -1)
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{
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anetSetError(err, "setsockopt SO_SNDBUF: %s\n", strerror(errno));
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return ANET_ERR;
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}
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return ANET_OK;
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}
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int anetTcpKeepAlive(char *err, int fd)
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{
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int yes = 1;
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if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(yes)) == -1) {
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anetSetError(err, "setsockopt SO_KEEPALIVE: %s\n", strerror(errno));
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return ANET_ERR;
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}
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return ANET_OK;
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}
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int anetResolve(char *err, char *host, char *ipbuf)
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{
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struct sockaddr_in sa;
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sa.sin_family = AF_INET;
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if (inet_aton(host, &sa.sin_addr) == 0) {
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struct hostent *he;
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he = gethostbyname(host);
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if (he == NULL) {
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anetSetError(err, "can't resolve: %s\n", host);
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return ANET_ERR;
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}
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memcpy(&sa.sin_addr, he->h_addr, sizeof(struct in_addr));
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}
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strcpy(ipbuf,inet_ntoa(sa.sin_addr));
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return ANET_OK;
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}
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#define ANET_CONNECT_NONE 0
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#define ANET_CONNECT_NONBLOCK 1
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static int anetTcpGenericConnect(char *err, char *addr, int port, int flags)
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{
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int s, on = 1;
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struct sockaddr_in sa;
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if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
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anetSetError(err, "creating socket: %s\n", strerror(errno));
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return ANET_ERR;
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}
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/* Make sure connection-intensive things like the redis benckmark
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* will be able to close/open sockets a zillion of times */
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setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
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sa.sin_family = AF_INET;
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sa.sin_port = htons(port);
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if (inet_aton(addr, &sa.sin_addr) == 0) {
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struct hostent *he;
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he = gethostbyname(addr);
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if (he == NULL) {
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anetSetError(err, "can't resolve: %s\n", addr);
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close(s);
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return ANET_ERR;
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}
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memcpy(&sa.sin_addr, he->h_addr, sizeof(struct in_addr));
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}
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if (flags & ANET_CONNECT_NONBLOCK) {
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if (anetNonBlock(err,s) != ANET_OK)
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return ANET_ERR;
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}
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if (connect(s, (struct sockaddr*)&sa, sizeof(sa)) == -1) {
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if (errno == EINPROGRESS &&
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flags & ANET_CONNECT_NONBLOCK)
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return s;
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anetSetError(err, "connect: %s\n", strerror(errno));
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close(s);
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return ANET_ERR;
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}
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return s;
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}
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int anetTcpConnect(char *err, char *addr, int port)
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{
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return anetTcpGenericConnect(err,addr,port,ANET_CONNECT_NONE);
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}
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int anetTcpNonBlockConnect(char *err, char *addr, int port)
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{
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return anetTcpGenericConnect(err,addr,port,ANET_CONNECT_NONBLOCK);
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}
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/* Like read(2) but make sure 'count' is read before to return
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* (unless error or EOF condition is encountered) */
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int anetRead(int fd, char *buf, int count)
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{
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int nread, totlen = 0;
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while(totlen != count) {
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nread = read(fd,buf,count-totlen);
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if (nread == 0) return totlen;
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if (nread == -1) return -1;
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totlen += nread;
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buf += nread;
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}
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return totlen;
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}
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/* Like write(2) but make sure 'count' is read before to return
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* (unless error is encountered) */
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int anetWrite(int fd, char *buf, int count)
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{
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int nwritten, totlen = 0;
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while(totlen != count) {
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nwritten = write(fd,buf,count-totlen);
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if (nwritten == 0) return totlen;
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if (nwritten == -1) return -1;
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totlen += nwritten;
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buf += nwritten;
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}
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return totlen;
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}
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int anetTcpServer(char *err, int port, char *bindaddr)
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{
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int s, on = 1;
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struct sockaddr_in sa;
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|
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if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
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anetSetError(err, "socket: %s\n", strerror(errno));
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return ANET_ERR;
|
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}
|
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if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
|
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anetSetError(err, "setsockopt SO_REUSEADDR: %s\n", strerror(errno));
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close(s);
|
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return ANET_ERR;
|
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}
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memset(&sa,0,sizeof(sa));
|
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sa.sin_family = AF_INET;
|
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sa.sin_port = htons(port);
|
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sa.sin_addr.s_addr = htonl(INADDR_ANY);
|
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if (bindaddr) {
|
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if (inet_aton(bindaddr, &sa.sin_addr) == 0) {
|
||||
anetSetError(err, "Invalid bind address\n");
|
||||
close(s);
|
||||
return ANET_ERR;
|
||||
}
|
||||
}
|
||||
if (bind(s, (struct sockaddr*)&sa, sizeof(sa)) == -1) {
|
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anetSetError(err, "bind: %s\n", strerror(errno));
|
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close(s);
|
||||
return ANET_ERR;
|
||||
}
|
||||
if (listen(s, 511) == -1) { /* the magic 511 constant is from nginx */
|
||||
anetSetError(err, "listen: %s\n", strerror(errno));
|
||||
close(s);
|
||||
return ANET_ERR;
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
int anetAccept(char *err, int serversock, char *ip, int *port)
|
||||
{
|
||||
int fd;
|
||||
struct sockaddr_in sa;
|
||||
unsigned int saLen;
|
||||
|
||||
while(1) {
|
||||
saLen = sizeof(sa);
|
||||
fd = accept(serversock, (struct sockaddr*)&sa, &saLen);
|
||||
if (fd == -1) {
|
||||
if (errno == EINTR)
|
||||
continue;
|
||||
else {
|
||||
anetSetError(err, "accept: %s\n", strerror(errno));
|
||||
return ANET_ERR;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
if (ip) strcpy(ip,inet_ntoa(sa.sin_addr));
|
||||
if (port) *port = ntohs(sa.sin_port);
|
||||
return fd;
|
||||
}
|
||||
49
anet.h
Normal file
49
anet.h
Normal file
@ -0,0 +1,49 @@
|
||||
/* anet.c -- Basic TCP socket stuff made a bit less boring
|
||||
*
|
||||
* Copyright (c) 2006-2010, Salvatore Sanfilippo <antirez at gmail dot com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of Redis nor the names of its contributors may be used
|
||||
* to endorse or promote products derived from this software without
|
||||
* specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef ANET_H
|
||||
#define ANET_H
|
||||
|
||||
#define ANET_OK 0
|
||||
#define ANET_ERR -1
|
||||
#define ANET_ERR_LEN 256
|
||||
|
||||
int anetTcpConnect(char *err, char *addr, int port);
|
||||
int anetTcpNonBlockConnect(char *err, char *addr, int port);
|
||||
int anetRead(int fd, char *buf, int count);
|
||||
int anetResolve(char *err, char *host, char *ipbuf);
|
||||
int anetTcpServer(char *err, int port, char *bindaddr);
|
||||
int anetAccept(char *err, int serversock, char *ip, int *port);
|
||||
int anetWrite(int fd, char *buf, int count);
|
||||
int anetNonBlock(char *err, int fd);
|
||||
int anetTcpNoDelay(char *err, int fd);
|
||||
int anetTcpKeepAlive(char *err, int fd);
|
||||
|
||||
#endif
|
||||
45
config.h
Normal file
45
config.h
Normal file
@ -0,0 +1,45 @@
|
||||
#ifndef __CONFIG_H
|
||||
#define __CONFIG_H
|
||||
|
||||
#ifdef __APPLE__
|
||||
#include <AvailabilityMacros.h>
|
||||
#endif
|
||||
|
||||
/* test for malloc_size() */
|
||||
#ifdef __APPLE__
|
||||
#include <malloc/malloc.h>
|
||||
#define HAVE_MALLOC_SIZE 1
|
||||
#define redis_malloc_size(p) malloc_size(p)
|
||||
#endif
|
||||
|
||||
/* define redis_fstat to fstat or fstat64() */
|
||||
#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
|
||||
#define redis_fstat fstat64
|
||||
#define redis_stat stat64
|
||||
#else
|
||||
#define redis_fstat fstat
|
||||
#define redis_stat stat
|
||||
#endif
|
||||
|
||||
/* test for backtrace() */
|
||||
#if defined(__APPLE__) || defined(__linux__)
|
||||
#define HAVE_BACKTRACE 1
|
||||
#endif
|
||||
|
||||
/* test for polling API */
|
||||
#ifdef __linux__
|
||||
#define HAVE_EPOLL 1
|
||||
#endif
|
||||
|
||||
#if (defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__)
|
||||
#define HAVE_KQUEUE 1
|
||||
#endif
|
||||
|
||||
/* define aof_fsync to fdatasync() in Linux and fsync() for all the rest */
|
||||
#ifdef __linux__
|
||||
#define aof_fsync fdatasync
|
||||
#else
|
||||
#define aof_fsync fsync
|
||||
#endif
|
||||
|
||||
#endif
|
||||
33
example.c
Normal file
33
example.c
Normal file
@ -0,0 +1,33 @@
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "hiredis.h"
|
||||
|
||||
int main(void) {
|
||||
int fd;
|
||||
redisReply *reply;
|
||||
|
||||
reply = redisConnect(&fd, "127.0.0.1", 6379);
|
||||
if (reply != NULL) {
|
||||
printf("Connection error: %s", reply->reply);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* PING server */
|
||||
reply = redisCommand(fd,"PING");
|
||||
printf("PONG: %s\n", reply->reply);
|
||||
freeReplyObject(reply);
|
||||
|
||||
/* Set a key */
|
||||
reply = redisCommand(fd,"SET %s %s\n", "foo", "hello world");
|
||||
printf("SET: %s\n", reply->reply);
|
||||
freeReplyObject(reply);
|
||||
|
||||
/* Set a key using binary safe API */
|
||||
reply = redisCommand(fd,"SET %b %b\n", "bar", 3, "hello", 5);
|
||||
printf("SET (binary API): %s\n", reply->reply);
|
||||
freeReplyObject(reply);
|
||||
|
||||
return 0;
|
||||
}
|
||||
15
fmacros.h
Normal file
15
fmacros.h
Normal file
@ -0,0 +1,15 @@
|
||||
#ifndef _REDIS_FMACRO_H
|
||||
#define _REDIS_FMACRO_H
|
||||
|
||||
#define _BSD_SOURCE
|
||||
|
||||
#ifdef __linux__
|
||||
#define _XOPEN_SOURCE 700
|
||||
#else
|
||||
#define _XOPEN_SOURCE
|
||||
#endif
|
||||
|
||||
#define _LARGEFILE_SOURCE
|
||||
#define _FILE_OFFSET_BITS 64
|
||||
|
||||
#endif
|
||||
269
hiredis.c
Normal file
269
hiredis.c
Normal file
@ -0,0 +1,269 @@
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <stdarg.h>
|
||||
|
||||
#include "hiredis.h"
|
||||
#include "anet.h"
|
||||
#include "sds.h"
|
||||
|
||||
static redisReply *redisReadReply(int fd);
|
||||
static redisReply *createReplyObject(int type, sds reply);
|
||||
|
||||
/* We simply abort on out of memory */
|
||||
static void redisOOM(void) {
|
||||
fprintf(stderr,"Out of memory in hiredis.c");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* Connect to a Redis instance. On success NULL is returned and *fd is set
|
||||
* to the socket file descriptor. On error a redisReply object is returned
|
||||
* with reply->type set to REDIS_REPLY_ERROR and reply->string containing
|
||||
* the error message. This replyObject must be freed with redisFreeReply(). */
|
||||
redisReply *redisConnect(int *fd, char *ip, int port) {
|
||||
char err[ANET_ERR_LEN];
|
||||
|
||||
*fd = anetTcpConnect(err,ip,port);
|
||||
if (*fd == ANET_ERR)
|
||||
return createReplyObject(REDIS_REPLY_ERROR,sdsnew(err));
|
||||
anetTcpNoDelay(NULL,*fd);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Create a reply object */
|
||||
static redisReply *createReplyObject(int type, sds reply) {
|
||||
redisReply *r = malloc(sizeof(*r));
|
||||
|
||||
if (!r) redisOOM();
|
||||
r->type = type;
|
||||
r->reply = reply;
|
||||
return r;
|
||||
}
|
||||
|
||||
/* Free a reply object */
|
||||
void freeReplyObject(redisReply *r) {
|
||||
size_t j;
|
||||
|
||||
switch(r->type) {
|
||||
case REDIS_REPLY_INTEGER:
|
||||
break; /* Nothing to free */
|
||||
case REDIS_REPLY_ARRAY:
|
||||
for (j = 0; j < r->elements; j++)
|
||||
freeReplyObject(r->element[j]);
|
||||
free(r->element);
|
||||
break;
|
||||
default:
|
||||
sdsfree(r->reply);
|
||||
break;
|
||||
}
|
||||
free(r);
|
||||
}
|
||||
|
||||
static redisReply *redisIOError(void) {
|
||||
return createReplyObject(REDIS_REPLY_ERROR,sdsnew("I/O error"));
|
||||
}
|
||||
|
||||
/* In a real high performance C client this should be bufferized */
|
||||
static sds redisReadLine(int fd) {
|
||||
sds line = sdsempty();
|
||||
|
||||
while(1) {
|
||||
char c;
|
||||
ssize_t ret;
|
||||
|
||||
ret = read(fd,&c,1);
|
||||
if (ret == -1) {
|
||||
sdsfree(line);
|
||||
return NULL;
|
||||
} else if ((ret == 0) || (c == '\n')) {
|
||||
break;
|
||||
} else {
|
||||
line = sdscatlen(line,&c,1);
|
||||
}
|
||||
}
|
||||
return sdstrim(line,"\r\n");
|
||||
}
|
||||
|
||||
static redisReply *redisReadSingleLineReply(int fd, int type) {
|
||||
sds buf = redisReadLine(fd);
|
||||
|
||||
if (buf == NULL) return redisIOError();
|
||||
return createReplyObject(type,buf);
|
||||
}
|
||||
|
||||
static redisReply *redisReadIntegerReply(int fd) {
|
||||
sds buf = redisReadLine(fd);
|
||||
redisReply *r = malloc(sizeof(*r));
|
||||
|
||||
if (r == NULL) redisOOM();
|
||||
if (buf == NULL) return redisIOError();
|
||||
r->type = REDIS_REPLY_INTEGER;
|
||||
r->integer = strtoll(buf,NULL,10);
|
||||
return r;
|
||||
}
|
||||
|
||||
static redisReply *redisReadBulkReply(int fd) {
|
||||
sds replylen = redisReadLine(fd);
|
||||
sds buf;
|
||||
char crlf[2];
|
||||
int bulklen;
|
||||
|
||||
if (replylen == NULL) return redisIOError();
|
||||
bulklen = atoi(replylen);
|
||||
sdsfree(replylen);
|
||||
if (bulklen == -1)
|
||||
return createReplyObject(REDIS_REPLY_NIL,sdsempty());
|
||||
|
||||
buf = sdsnewlen(NULL,bulklen);
|
||||
anetRead(fd,buf,bulklen);
|
||||
anetRead(fd,crlf,2);
|
||||
return createReplyObject(REDIS_REPLY_STRING,buf);
|
||||
}
|
||||
|
||||
static redisReply *redisReadMultiBulkReply(int fd) {
|
||||
sds replylen = redisReadLine(fd);
|
||||
long elements, j;
|
||||
redisReply *r;
|
||||
|
||||
if (replylen == NULL) return redisIOError();
|
||||
elements = strtol(replylen,NULL,10);
|
||||
sdsfree(replylen);
|
||||
|
||||
if (elements == -1)
|
||||
return createReplyObject(REDIS_REPLY_NIL,sdsempty());
|
||||
|
||||
if ((r = malloc(sizeof(*r))) == NULL) redisOOM();
|
||||
r->type = REDIS_REPLY_ARRAY;
|
||||
r->elements = elements;
|
||||
if ((r->element = malloc(sizeof(*r)*elements)) == NULL) redisOOM();
|
||||
for (j = 0; j < elements; j++)
|
||||
r->element[j] = redisReadReply(fd);
|
||||
return r;
|
||||
}
|
||||
|
||||
static redisReply *redisReadReply(int fd) {
|
||||
char type;
|
||||
|
||||
if (anetRead(fd,&type,1) <= 0) return redisIOError();
|
||||
switch(type) {
|
||||
case '-':
|
||||
return redisReadSingleLineReply(fd,REDIS_REPLY_ERROR);
|
||||
case '+':
|
||||
return redisReadSingleLineReply(fd,REDIS_REPLY_STRING);
|
||||
case ':':
|
||||
return redisReadIntegerReply(fd);
|
||||
case '$':
|
||||
return redisReadBulkReply(fd);
|
||||
case '*':
|
||||
return redisReadMultiBulkReply(fd);
|
||||
default:
|
||||
printf("protocol error, got '%c' as reply type byte\n", type);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
/* Helper function for redisCommand(). It's used to append the next argument
|
||||
* to the argument vector. */
|
||||
static void addArgument(sds a, char ***argv, int *argc) {
|
||||
(*argc)++;
|
||||
if ((*argv = realloc(*argv, sizeof(char*)*(*argc))) == NULL) redisOOM();
|
||||
(*argv)[(*argc)-1] = a;
|
||||
}
|
||||
|
||||
/* Execute a command. This function is printf alike:
|
||||
*
|
||||
* %s represents a C nul terminated string you want to interpolate
|
||||
* %b represents a binary safe string
|
||||
*
|
||||
* When using %b you need to provide both the pointer to the string
|
||||
* and the length in bytes. Examples:
|
||||
*
|
||||
* redisCommand("GET %s", mykey);
|
||||
* redisCommand("SET %s %b", mykey, somevalue, somevalue_len);
|
||||
*
|
||||
* RETURN VALUE:
|
||||
*
|
||||
* The returned value is a redisReply object that must be freed using the
|
||||
* redisFreeReply() function.
|
||||
*
|
||||
* given a redisReply "reply" you can test if there was an error in this way:
|
||||
*
|
||||
* if (reply->type == REDIS_REPLY_ERROR) {
|
||||
* printf("Error in request: %s\n", reply->reply);
|
||||
* }
|
||||
*
|
||||
* The replied string itself is in reply->reply if the reply type is
|
||||
* a REDIS_REPLY_STRING. If the reply is a multi bulk reply then
|
||||
* reply->type is REDIS_REPLY_ARRAY and you can access all the elements
|
||||
* in this way:
|
||||
*
|
||||
* for (i = 0; i < reply->elements; i++)
|
||||
* printf("%d: %s\n", i, reply->element[i]);
|
||||
*
|
||||
* Finally when type is REDIS_REPLY_INTEGER the long long integer is
|
||||
* stored at reply->integer.
|
||||
*/
|
||||
redisReply *redisCommand(int fd, char *format, ...) {
|
||||
va_list ap;
|
||||
size_t size;
|
||||
char *arg, *c = format;
|
||||
sds cmd = sdsempty(); /* whole command buffer */
|
||||
sds current = sdsempty(); /* current argument */
|
||||
char **argv = NULL;
|
||||
int argc = 0, j;
|
||||
|
||||
/* Build the command string accordingly to protocol */
|
||||
va_start(ap,format);
|
||||
while(*c != '\0') {
|
||||
if (*c != '%' || c[1] == '\0') {
|
||||
if (*c == ' ') {
|
||||
if (sdslen(current) != 0) {
|
||||
addArgument(current, &argv, &argc);
|
||||
current = sdsempty();
|
||||
}
|
||||
} else {
|
||||
current = sdscatlen(current,c,1);
|
||||
}
|
||||
} else {
|
||||
switch(c[1]) {
|
||||
case 's':
|
||||
arg = va_arg(ap,char*);
|
||||
current = sdscat(current,arg);
|
||||
break;
|
||||
case 'b':
|
||||
arg = va_arg(ap,char*);
|
||||
size = va_arg(ap,size_t);
|
||||
current = sdscatlen(current,arg,size);
|
||||
break;
|
||||
case '%':
|
||||
cmd = sdscat(cmd,"%");
|
||||
break;
|
||||
}
|
||||
c++;
|
||||
}
|
||||
c++;
|
||||
}
|
||||
va_end(ap);
|
||||
|
||||
/* Add the last argument if needed */
|
||||
if (sdslen(current) != 0)
|
||||
addArgument(current, &argv, &argc);
|
||||
else
|
||||
sdsfree(current);
|
||||
|
||||
/* Build the command at protocol level */
|
||||
cmd = sdscatprintf(cmd,"*%d\r\n",argc);
|
||||
for (j = 0; j < argc; j++) {
|
||||
cmd = sdscatprintf(cmd,"$%zu\r\n",sdslen(argv[j]));
|
||||
cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
|
||||
cmd = sdscatlen(cmd,"\r\n",2);
|
||||
sdsfree(argv[j]);
|
||||
}
|
||||
free(argv);
|
||||
|
||||
/* Send the command via socket */
|
||||
anetWrite(fd,cmd,sdslen(cmd));
|
||||
sdsfree(cmd);
|
||||
return redisReadReply(fd);
|
||||
}
|
||||
25
hiredis.h
Normal file
25
hiredis.h
Normal file
@ -0,0 +1,25 @@
|
||||
#ifndef __HIREDIS_H
|
||||
#define __HIREDIS_H
|
||||
|
||||
#define REDIS_REPLY_ERROR 0
|
||||
#define REDIS_REPLY_STRING 1
|
||||
#define REDIS_REPLY_ARRAY 2
|
||||
#define REDIS_REPLY_INTEGER 3
|
||||
#define REDIS_REPLY_NIL 4
|
||||
|
||||
#include "sds.h"
|
||||
|
||||
/* This is the reply object returned by redisCommand() */
|
||||
typedef struct redisReply {
|
||||
int type; /* REDIS_REPLY_* */
|
||||
long long integer; /* The integer when type is REDIS_REPLY_INTEGER */
|
||||
char *reply; /* Used for both REDIS_REPLY_ERROR and REDIS_REPLY_STRING */
|
||||
size_t elements; /* number of elements, for REDIS_REPLY_ARRAY */
|
||||
struct redisReply **element; /* elements vector for REDIS_REPLY_ARRAY */
|
||||
} redisReply;
|
||||
|
||||
redisReply *redisConnect(int *fd, char *ip, int port);
|
||||
void freeReplyObject(redisReply *r);
|
||||
redisReply *redisCommand(int fd, char *format, ...);
|
||||
|
||||
#endif
|
||||
358
sds.c
Normal file
358
sds.c
Normal file
@ -0,0 +1,358 @@
|
||||
/* SDSLib, A C dynamic strings library
|
||||
*
|
||||
* Copyright (c) 2006-2010, Salvatore Sanfilippo <antirez at gmail dot com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of Redis nor the names of its contributors may be used
|
||||
* to endorse or promote products derived from this software without
|
||||
* specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#define SDS_ABORT_ON_OOM
|
||||
|
||||
#include "sds.h"
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
|
||||
static void sdsOomAbort(void) {
|
||||
fprintf(stderr,"SDS: Out Of Memory (SDS_ABORT_ON_OOM defined)\n");
|
||||
abort();
|
||||
}
|
||||
|
||||
sds sdsnewlen(const void *init, size_t initlen) {
|
||||
struct sdshdr *sh;
|
||||
|
||||
sh = malloc(sizeof(struct sdshdr)+initlen+1);
|
||||
#ifdef SDS_ABORT_ON_OOM
|
||||
if (sh == NULL) sdsOomAbort();
|
||||
#else
|
||||
if (sh == NULL) return NULL;
|
||||
#endif
|
||||
sh->len = initlen;
|
||||
sh->free = 0;
|
||||
if (initlen) {
|
||||
if (init) memcpy(sh->buf, init, initlen);
|
||||
else memset(sh->buf,0,initlen);
|
||||
}
|
||||
sh->buf[initlen] = '\0';
|
||||
return (char*)sh->buf;
|
||||
}
|
||||
|
||||
sds sdsempty(void) {
|
||||
return sdsnewlen("",0);
|
||||
}
|
||||
|
||||
sds sdsnew(const char *init) {
|
||||
size_t initlen = (init == NULL) ? 0 : strlen(init);
|
||||
return sdsnewlen(init, initlen);
|
||||
}
|
||||
|
||||
size_t sdslen(const sds s) {
|
||||
struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
return sh->len;
|
||||
}
|
||||
|
||||
sds sdsdup(const sds s) {
|
||||
return sdsnewlen(s, sdslen(s));
|
||||
}
|
||||
|
||||
void sdsfree(sds s) {
|
||||
if (s == NULL) return;
|
||||
free(s-sizeof(struct sdshdr));
|
||||
}
|
||||
|
||||
size_t sdsavail(sds s) {
|
||||
struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
return sh->free;
|
||||
}
|
||||
|
||||
void sdsupdatelen(sds s) {
|
||||
struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
int reallen = strlen(s);
|
||||
sh->free += (sh->len-reallen);
|
||||
sh->len = reallen;
|
||||
}
|
||||
|
||||
static sds sdsMakeRoomFor(sds s, size_t addlen) {
|
||||
struct sdshdr *sh, *newsh;
|
||||
size_t free = sdsavail(s);
|
||||
size_t len, newlen;
|
||||
|
||||
if (free >= addlen) return s;
|
||||
len = sdslen(s);
|
||||
sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
newlen = (len+addlen)*2;
|
||||
newsh = realloc(sh, sizeof(struct sdshdr)+newlen+1);
|
||||
#ifdef SDS_ABORT_ON_OOM
|
||||
if (newsh == NULL) sdsOomAbort();
|
||||
#else
|
||||
if (newsh == NULL) return NULL;
|
||||
#endif
|
||||
|
||||
newsh->free = newlen - len;
|
||||
return newsh->buf;
|
||||
}
|
||||
|
||||
sds sdscatlen(sds s, void *t, size_t len) {
|
||||
struct sdshdr *sh;
|
||||
size_t curlen = sdslen(s);
|
||||
|
||||
s = sdsMakeRoomFor(s,len);
|
||||
if (s == NULL) return NULL;
|
||||
sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
memcpy(s+curlen, t, len);
|
||||
sh->len = curlen+len;
|
||||
sh->free = sh->free-len;
|
||||
s[curlen+len] = '\0';
|
||||
return s;
|
||||
}
|
||||
|
||||
sds sdscat(sds s, char *t) {
|
||||
return sdscatlen(s, t, strlen(t));
|
||||
}
|
||||
|
||||
sds sdscpylen(sds s, char *t, size_t len) {
|
||||
struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
size_t totlen = sh->free+sh->len;
|
||||
|
||||
if (totlen < len) {
|
||||
s = sdsMakeRoomFor(s,len-sh->len);
|
||||
if (s == NULL) return NULL;
|
||||
sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
totlen = sh->free+sh->len;
|
||||
}
|
||||
memcpy(s, t, len);
|
||||
s[len] = '\0';
|
||||
sh->len = len;
|
||||
sh->free = totlen-len;
|
||||
return s;
|
||||
}
|
||||
|
||||
sds sdscpy(sds s, char *t) {
|
||||
return sdscpylen(s, t, strlen(t));
|
||||
}
|
||||
|
||||
sds sdscatprintf(sds s, const char *fmt, ...) {
|
||||
va_list ap;
|
||||
char *buf, *t;
|
||||
size_t buflen = 16;
|
||||
|
||||
while(1) {
|
||||
buf = malloc(buflen);
|
||||
#ifdef SDS_ABORT_ON_OOM
|
||||
if (buf == NULL) sdsOomAbort();
|
||||
#else
|
||||
if (buf == NULL) return NULL;
|
||||
#endif
|
||||
buf[buflen-2] = '\0';
|
||||
va_start(ap, fmt);
|
||||
vsnprintf(buf, buflen, fmt, ap);
|
||||
va_end(ap);
|
||||
if (buf[buflen-2] != '\0') {
|
||||
free(buf);
|
||||
buflen *= 2;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
t = sdscat(s, buf);
|
||||
free(buf);
|
||||
return t;
|
||||
}
|
||||
|
||||
sds sdstrim(sds s, const char *cset) {
|
||||
struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
char *start, *end, *sp, *ep;
|
||||
size_t len;
|
||||
|
||||
sp = start = s;
|
||||
ep = end = s+sdslen(s)-1;
|
||||
while(sp <= end && strchr(cset, *sp)) sp++;
|
||||
while(ep > start && strchr(cset, *ep)) ep--;
|
||||
len = (sp > ep) ? 0 : ((ep-sp)+1);
|
||||
if (sh->buf != sp) memmove(sh->buf, sp, len);
|
||||
sh->buf[len] = '\0';
|
||||
sh->free = sh->free+(sh->len-len);
|
||||
sh->len = len;
|
||||
return s;
|
||||
}
|
||||
|
||||
sds sdsrange(sds s, long start, long end) {
|
||||
struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr)));
|
||||
size_t newlen, len = sdslen(s);
|
||||
|
||||
if (len == 0) return s;
|
||||
if (start < 0) {
|
||||
start = len+start;
|
||||
if (start < 0) start = 0;
|
||||
}
|
||||
if (end < 0) {
|
||||
end = len+end;
|
||||
if (end < 0) end = 0;
|
||||
}
|
||||
newlen = (start > end) ? 0 : (end-start)+1;
|
||||
if (newlen != 0) {
|
||||
if (start >= (signed)len) start = len-1;
|
||||
if (end >= (signed)len) end = len-1;
|
||||
newlen = (start > end) ? 0 : (end-start)+1;
|
||||
} else {
|
||||
start = 0;
|
||||
}
|
||||
if (start != 0) memmove(sh->buf, sh->buf+start, newlen);
|
||||
sh->buf[newlen] = 0;
|
||||
sh->free = sh->free+(sh->len-newlen);
|
||||
sh->len = newlen;
|
||||
return s;
|
||||
}
|
||||
|
||||
void sdstolower(sds s) {
|
||||
int len = sdslen(s), j;
|
||||
|
||||
for (j = 0; j < len; j++) s[j] = tolower(s[j]);
|
||||
}
|
||||
|
||||
void sdstoupper(sds s) {
|
||||
int len = sdslen(s), j;
|
||||
|
||||
for (j = 0; j < len; j++) s[j] = toupper(s[j]);
|
||||
}
|
||||
|
||||
int sdscmp(sds s1, sds s2) {
|
||||
size_t l1, l2, minlen;
|
||||
int cmp;
|
||||
|
||||
l1 = sdslen(s1);
|
||||
l2 = sdslen(s2);
|
||||
minlen = (l1 < l2) ? l1 : l2;
|
||||
cmp = memcmp(s1,s2,minlen);
|
||||
if (cmp == 0) return l1-l2;
|
||||
return cmp;
|
||||
}
|
||||
|
||||
/* Split 's' with separator in 'sep'. An array
|
||||
* of sds strings is returned. *count will be set
|
||||
* by reference to the number of tokens returned.
|
||||
*
|
||||
* On out of memory, zero length string, zero length
|
||||
* separator, NULL is returned.
|
||||
*
|
||||
* Note that 'sep' is able to split a string using
|
||||
* a multi-character separator. For example
|
||||
* sdssplit("foo_-_bar","_-_"); will return two
|
||||
* elements "foo" and "bar".
|
||||
*
|
||||
* This version of the function is binary-safe but
|
||||
* requires length arguments. sdssplit() is just the
|
||||
* same function but for zero-terminated strings.
|
||||
*/
|
||||
sds *sdssplitlen(char *s, int len, char *sep, int seplen, int *count) {
|
||||
int elements = 0, slots = 5, start = 0, j;
|
||||
|
||||
sds *tokens = malloc(sizeof(sds)*slots);
|
||||
#ifdef SDS_ABORT_ON_OOM
|
||||
if (tokens == NULL) sdsOomAbort();
|
||||
#endif
|
||||
if (seplen < 1 || len < 0 || tokens == NULL) return NULL;
|
||||
if (len == 0) {
|
||||
*count = 0;
|
||||
return tokens;
|
||||
}
|
||||
for (j = 0; j < (len-(seplen-1)); j++) {
|
||||
/* make sure there is room for the next element and the final one */
|
||||
if (slots < elements+2) {
|
||||
sds *newtokens;
|
||||
|
||||
slots *= 2;
|
||||
newtokens = realloc(tokens,sizeof(sds)*slots);
|
||||
if (newtokens == NULL) {
|
||||
#ifdef SDS_ABORT_ON_OOM
|
||||
sdsOomAbort();
|
||||
#else
|
||||
goto cleanup;
|
||||
#endif
|
||||
}
|
||||
tokens = newtokens;
|
||||
}
|
||||
/* search the separator */
|
||||
if ((seplen == 1 && *(s+j) == sep[0]) || (memcmp(s+j,sep,seplen) == 0)) {
|
||||
tokens[elements] = sdsnewlen(s+start,j-start);
|
||||
if (tokens[elements] == NULL) {
|
||||
#ifdef SDS_ABORT_ON_OOM
|
||||
sdsOomAbort();
|
||||
#else
|
||||
goto cleanup;
|
||||
#endif
|
||||
}
|
||||
elements++;
|
||||
start = j+seplen;
|
||||
j = j+seplen-1; /* skip the separator */
|
||||
}
|
||||
}
|
||||
/* Add the final element. We are sure there is room in the tokens array. */
|
||||
tokens[elements] = sdsnewlen(s+start,len-start);
|
||||
if (tokens[elements] == NULL) {
|
||||
#ifdef SDS_ABORT_ON_OOM
|
||||
sdsOomAbort();
|
||||
#else
|
||||
goto cleanup;
|
||||
#endif
|
||||
}
|
||||
elements++;
|
||||
*count = elements;
|
||||
return tokens;
|
||||
|
||||
#ifndef SDS_ABORT_ON_OOM
|
||||
cleanup:
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < elements; i++) sdsfree(tokens[i]);
|
||||
free(tokens);
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void sdsfreesplitres(sds *tokens, int count) {
|
||||
if (!tokens) return;
|
||||
while(count--)
|
||||
sdsfree(tokens[count]);
|
||||
free(tokens);
|
||||
}
|
||||
|
||||
sds sdsfromlonglong(long long value) {
|
||||
char buf[32], *p;
|
||||
unsigned long long v;
|
||||
|
||||
v = (value < 0) ? -value : value;
|
||||
p = buf+31; /* point to the last character */
|
||||
do {
|
||||
*p-- = '0'+(v%10);
|
||||
v /= 10;
|
||||
} while(v);
|
||||
if (value < 0) *p-- = '-';
|
||||
p++;
|
||||
return sdsnewlen(p,32-(p-buf));
|
||||
}
|
||||
73
sds.h
Normal file
73
sds.h
Normal file
@ -0,0 +1,73 @@
|
||||
/* SDSLib, A C dynamic strings library
|
||||
*
|
||||
* Copyright (c) 2006-2010, Salvatore Sanfilippo <antirez at gmail dot com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of Redis nor the names of its contributors may be used
|
||||
* to endorse or promote products derived from this software without
|
||||
* specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef __SDS_H
|
||||
#define __SDS_H
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
typedef char *sds;
|
||||
|
||||
struct sdshdr {
|
||||
long len;
|
||||
long free;
|
||||
char buf[];
|
||||
};
|
||||
|
||||
sds sdsnewlen(const void *init, size_t initlen);
|
||||
sds sdsnew(const char *init);
|
||||
sds sdsempty();
|
||||
size_t sdslen(const sds s);
|
||||
sds sdsdup(const sds s);
|
||||
void sdsfree(sds s);
|
||||
size_t sdsavail(sds s);
|
||||
sds sdscatlen(sds s, void *t, size_t len);
|
||||
sds sdscat(sds s, char *t);
|
||||
sds sdscpylen(sds s, char *t, size_t len);
|
||||
sds sdscpy(sds s, char *t);
|
||||
|
||||
#ifdef __GNUC__
|
||||
sds sdscatprintf(sds s, const char *fmt, ...)
|
||||
__attribute__((format(printf, 2, 3)));
|
||||
#else
|
||||
sds sdscatprintf(sds s, const char *fmt, ...);
|
||||
#endif
|
||||
|
||||
sds sdstrim(sds s, const char *cset);
|
||||
sds sdsrange(sds s, long start, long end);
|
||||
void sdsupdatelen(sds s);
|
||||
int sdscmp(sds s1, sds s2);
|
||||
sds *sdssplitlen(char *s, int len, char *sep, int seplen, int *count);
|
||||
void sdsfreesplitres(sds *tokens, int count);
|
||||
void sdstolower(sds s);
|
||||
void sdstoupper(sds s);
|
||||
sds sdsfromlonglong(long long value);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user