Nginx 1.2.1 warning when using clang

Wendal Chen wendal1985 at gmail.com
Tue Jun 26 03:53:26 UTC 2012


OpenSUSE 11.4  using clang

warning  :

src/core/nginx.c:487:37: warning: array index of '3' indexes past the end
of an array (that contains 3 elements) [-Warray-bounds]
        if (ngx_strcmp(var[i].data, "TZ") == 0
            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/core/ngx_string.h:57:70: note: expanded from:
#define ngx_strcmp(s1, s2)  strcmp((const char *) s1, (const char *) s2)
                                                                     ^
/usr/include/bits/string2.h:817:28: note: expanded from:
               : __strcmp_gc (s1, s2, __s2_len))
   \
                                  ^
/usr/include/bits/string2.h:911:27: note: expanded from:
                                    (__const char *) (s2))[3]);
  \
                                                      ^    ~
1 warning generated.
src/core/ngx_file.c:384:27: warning: array index of '3' indexes past the
end of an array (that contains 3 elements) [-Warray-bounds]
        if (ngx_strcmp(p, "rw") == 0) {
            ~~~~~~~~~~~~~~^~~~~
src/core/ngx_string.h:57:70: note: expanded from:
#define ngx_strcmp(s1, s2)  strcmp((const char *) s1, (const char *) s2)
                                                                     ^
/usr/include/bits/string2.h:817:28: note: expanded from:
               : __strcmp_gc (s1, s2, __s2_len))
   \
                                  ^
/usr/include/bits/string2.h:911:27: note: expanded from:
                                    (__const char *) (s2))[3]);
  \
                                                      ^    ~
src/core/ngx_file.c:387:34: warning: array index of '2' indexes past the
end of an array (that contains 2 elements) [-Warray-bounds]
        } else if (ngx_strcmp(p, "r") == 0) {

.... and more ....
-- 
Wendal Chen
GuangDong China
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