Warnings

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1 month 6 days ago #8607 by Castillo
Warnings was created by Castillo
I'm trying Ubuntu 19.10 with gcc 9.2.1

The code base of tbamud generate only 2 warrnings:

In file included from /usr/include/string.h:494,
from sysdep.h:74,
from act.item.c:12:
In function ‘strncat’,
inlined from ‘name_from_drinkcon’ at act.item.c:804:5,
inlined from ‘name_from_drinkcon’ at act.item.c:769:6:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: warning: ‘__builtin_strncat’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
act.item.c: In function ‘name_from_drinkcon’:
act.item.c:797:16: note: length computed here
797 | cpylen = strlen(cur_name);
| ^~~~~~~~~~~~~~~~


And,

spell_parser.c: In function ‘say_spell’:
spell_parser.c:135:75: warning: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size 216 [-Wformat-truncation=]
135 | snprintf(buf1, sizeof(buf1), "$n stares at you and utters the words, '%s'.",
| ^~
In file included from /usr/include/stdio.h:867,
from sysdep.h:69,
from spell_parser.c:12:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 43 and 298 bytes into a destination of size 256
67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
68 | __bos (__s), __fmt, __va_arg_pack ());
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


/src/utils generate about 10-15 warnings.

Bob

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1 month 4 days ago #8611 by thomas
Replied by thomas on topic Warnings

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