在OpenBSD下编译出的几个警告

lhmwzy · 2013-05-09T10:30:56+00:00

Hello! 2013/5/8 thorny-road: > luajit ffi and a RabbitMQ c client can help you. > This will almost always block the nginx worker processes on network...

在OpenBSD下编译出的几个警告

lhmwzy

-Wl,-rpath,/usr/local/lib:/usr/local/openresty/luajit/lib -Wl,-E -L/usr/local/lib -ldrizzle -L/home/lhm/ngx_openresty-1.2.8.1/build/luajit-root/usr/local/openresty/luajit/lib -lluajit- 5.1 -lm -lgd -lqrencode -L/usr/local/lib -lpcre -lssl -lcrypto -lz
/usr/local/lib/libdrizzle.so.2.0: warning: strcpy() is almost always misused, please use str lcpy()
/usr/local/lib/libgd.so.20.35: warning: strcat() is almost always misused, please use strlca t()
/home/lhm/ngx_openresty-1.2.8.1/build/luajit-root/usr/local/openresty/luajit/lib/libluajit-5 .1.a(lj_str.o)(.text+0x1c2): In function `lj_str_bufnum':
/home/lhm/ngx_openresty-1.2.8.1/build/LuaJIT-2.0.1/src/lj_str.c:180: warning: sprintf() is o ften misused, please use snprintf()

应该是与OpenBSD过于强调安全性所致。

编译官方的1.2.8没有出现类似警告

希望agentzh改正这几个警告

lancelijade

is almost always misused .................. 无语

Lance

On Thu, May 9, 2013 at 10:30 AM, lhmwzy <lh...@gmail.com> wrote:

-Wl,-rpath,/usr/local/lib:/usr/local/openresty/luajit/lib -Wl,-E -L/usr/local/lib -ldrizzle -L/home/lhm/ngx_openresty-1.2.8.1/build/luajit-root/usr/local/openresty/luajit/lib -lluajit- 5.1 -lm -lgd -lqrencode -L/usr/local/lib -lpcre -lssl -lcrypto -lz
/usr/local/lib/libdrizzle.so.2.0: warning: strcpy() is almost always misused, please use str lcpy()
/usr/local/lib/libgd.so.20.35: warning: strcat() is almost always misused, please use strlca t()
/home/lhm/ngx_openresty-1.2.8.1/build/luajit-root/usr/local/openresty/luajit/lib/libluajit-5 .1.a(lj_str.o)(.text+0x1c2): In function `lj_str_bufnum':
/home/lhm/ngx_openresty-1.2.8.1/build/LuaJIT-2.0.1/src/lj_str.c:180: warning: sprintf() is o ften misused, please use snprintf()

应该是与OpenBSD过于强调安全性所致。
编译官方的1.2.8没有出现类似警告

希望agentzh改正这几个警告

--
#xA0;

agentzh

Hello!

On Wed, May 8, 2013 at 7:30 PM, lhmwzy wrote:
> /home/lhm/ngx_openresty-1.2.8.1/build/luajit-root/usr/local/openresty/luajit/lib/libluajit-5
> .1.a(lj_str.o)(.text+0x1c2): In function `lj_str_bufnum':
> /home/lhm/ngx_openresty-1.2.8.1/build/LuaJIT-2.0.1/src/lj_str.c:180:
> warning: sprintf() is o ften misused, please use snprintf()
>

这里值得一提的是，Mike Pall 有意在 lj_str_bufnum 中取消对 sprintf
的依赖，自己实现一个非常高效的浮点数到字符串的转换器（因为 glibc 等标准 C 库实现中的 sprintf
一般都很低效）。我们公司未来或许会赞助这一块的工作。当然了，届时 OpenBSD 上面也不会再有这一个警告了，算是一个很好的“副作用” :)

Best regards,
-agentzh