[sr-dev] compiler warnings in debian jessie
Daniel-Constantin Mierla
miconda at gmail.com
Thu May 7 09:01:06 CEST 2015
Hello,
thanks for reporting, I pushed patches for app_lua and binrpc.
The ones from cfg/ are for really old code, then sha256 files I guess
they were imported from some external lib -- I will look into them as
well with the first chance.
Cheers,
Daniel
On 06/05/15 17:39, Juha Heinanen wrote:
> debian jessie gcc issues the compiler warnings below. i have not
> incluced tls module warnings, since they have been there forever.
>
> -- juha
>
> cfg/cfg_ctx.c: In function 'cfg_set_now':
> cfg/cfg_ctx.c:485:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> group_inst = (cfg_group_inst_t *)translate_pointer((char *)new_array,
> ^
> cfg/cfg_ctx.c:489:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> CFG_GROUP_META(block, group)->array = new_array;
> ^
> cfg/cfg_ctx.c:559:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> if (block && (CFG_GROUP_META(block, group)->array != CFG_GROUP_META(*cfg_global, group)->array))
> ^
> cfg/cfg_ctx.c:559:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> cfg/cfg_ctx.c:560:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> new_array = CFG_GROUP_META(block, group)->array;
> ^
> cfg/cfg_ctx.c:579:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> replaced[i] = CFG_GROUP_META(*cfg_global, group)->array;
> ^
> cfg/cfg_ctx.c: In function 'cfg_commit':
> cfg/cfg_ctx.c:1120:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> if (!(CFG_GROUP_META(block, group)->array =
> ^
> cfg/cfg_ctx.c:1128:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> replaced[replaced_num] = CFG_GROUP_META(*cfg_global, group)->array;
> ^
> cfg/cfg_ctx.c:1180:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> && (CFG_GROUP_META(block, changed->group)->array != CFG_GROUP_META(*cfg_global, changed->group)->array)
> ^
> cfg/cfg_ctx.c:1180:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> cfg/cfg_ctx.c:1185:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> replaced[replaced_num] = CFG_GROUP_META(*cfg_global, group)->array;
> ^
> cfg/cfg_ctx.c:1220:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> if (CFG_GROUP_META(block, group)->array
> ^
> cfg/cfg_ctx.c:1221:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> && (CFG_GROUP_META(block, group)->array != CFG_GROUP_META(*cfg_global, group)->array)
> ^
> cfg/cfg_ctx.c:1221:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> cfg/cfg_ctx.c:1223:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> shm_free(CFG_GROUP_META(block, group)->array);
> ^
> cfg/cfg_ctx.c: In function 'cfg_add_group_inst':
> cfg/cfg_ctx.c:1577:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> CFG_GROUP_META(block, group)->array = new_array;
> ^
> cfg/cfg_ctx.c:1578:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> CFG_GROUP_META(block, group)->num++;
> ^
> cfg/cfg_ctx.c:1580:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> if (CFG_GROUP_META(*cfg_global, group)->array) {
> ^
> cfg/cfg_ctx.c:1589:3: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> replaced[0] = CFG_GROUP_META(*cfg_global, group)->array;
> ^
> cfg/cfg_ctx.c: In function 'cfg_del_group_inst':
> cfg/cfg_ctx.c:1673:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> CFG_GROUP_META(block, group)->array = new_array;
> ^
> cfg/cfg_ctx.c:1674:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> CFG_GROUP_META(block, group)->num--;
> ^
> cfg/cfg_ctx.c:1676:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> if (CFG_GROUP_META(*cfg_global, group)->array) {
> ^
> cfg/cfg_ctx.c:1687:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> && (*(char **)(group_inst->vars + var->offset) != NULL)
> ^
> cfg/cfg_ctx.c:1705:6: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> && (*(char **)(group_inst->vars + var->offset) != NULL)
> ^
> cfg/cfg_ctx.c:1707:6: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> replaced[num] = *(char **)(group_inst->vars + var->offset);
> ^
> cfg/cfg_ctx.c:1713:3: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> replaced[num] = CFG_GROUP_META(*cfg_global, group)->array;
> ^
>
>
> CC (gcc) [M app_lua.so] app_lua_exp.o
> app_lua_exp.c: In function 'lua_sr_ndb_mongodb_free_reply':
> app_lua_exp.c:2782:29: warning: array subscript is above array bounds [-Warray-bounds]
> param[0].len = strlen(param[4].s);
> ^
> app_lua_exp.c: In function 'lua_sr_ndb_mongodb_next_reply':
> app_lua_exp.c:2755:29: warning: array subscript is above array bounds [-Warray-bounds]
> param[0].len = strlen(param[4].s);
> ^
>
> CC (gcc) [L libsrutils.so.1.0] sha256.o
> sha256.c: In function 'SHA256_Final':
> sha256.c:613:3: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> *(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
> ^
> sha256.c: In function 'SHA512_Last':
> sha256.c:930:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
> ^
> sha256.c:931:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
> ^
>
>
> CC (gcc) [L libbinrpc.so.0.1] binrpc_api.o
> binrpc_api.c: In function 'binrpc_response_to_text':
> binrpc_api.c:1055:6: warning: 'val.u.strval.len' may be used uninitialized in this function [-Wmaybe-uninitialized]
> if(realloc_buf(buf, buf_len, data_len) != 0) {
> ^
> binrpc_api.c:1143:20: note: 'val.u.strval.len' was declared here
> struct binrpc_val val;
> ^
>
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--
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, May 27-29, 2015
Berlin, Germany - http://www.kamailioworld.com
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