#include <hiredis/hiredis.h>
int main(void)
{
char a[1026] = {0};
redisContext *c = NULL;
void *reply = NULL;
memset(a, 'a', (sizeof(a) - 1));
c = redisConnect("127.0.0.1", 6379);
if (NULL != c)
{
reply = redisCommand(c, "set 1 %s", a);
freeReplyObject(reply);
reply = redisCommand(c, "get 1");
freeReplyObject(reply);
redisFree(c);
}
return 0;
}
使用"info sharedlibrary regex
"命令可以顯示程序加載的共享鏈接庫信息,其中regex
可以是正則表達式,意為顯示名字符合regex
的共享鏈接庫。如果沒有regex
,則列出所有的庫。以上面程序為例:
(gdb) start
Temporary breakpoint 1 at 0x109f0: file a.c, line 5.
Starting program: /export/home/nan/a
[Thread debugging using libthread_db enabled]
[New Thread 1 (LWP 1)]
[Switching to Thread 1 (LWP 1)]
Temporary breakpoint 1, main () at a.c:5
5 char a[1026] = {0};
(gdb) info sharedlibrary
From To Syms Read Shared Object Library
0xff3b44a0 0xff3e3490 Yes (*) /usr/lib/ld.so.1
0xff3325f0 0xff33d4b4 Yes /usr/local/lib/libhiredis.so.0.11
0xff3137f0 0xff31a9f4 Yes (*) /lib/libsocket.so.1
0xff215fd4 0xff28545c Yes (*) /lib/libnsl.so.1
0xff0a3a20 0xff14fedc Yes (*) /lib/libc.so.1
0xff320400 0xff3234c8 Yes (*) /platform/SUNW,UltraAX-i2/lib/libc_psr.so.1
(*): Shared library is missing debugging information.
可以看到列出所有加載的共享鏈接庫信息,帶“*
”表示庫缺少調試信息。
另外也可以使用正則表達式:
(gdb) i sharedlibrary hiredi*
From To Syms Read Shared Object Library
0xff3325f0 0xff33d4b4 Yes /usr/local/lib/libhiredis.so.0.11
可以看到只列出了一個庫信息。
參見gdb手冊.
nanxiao