[MINIFICPP-1571] fix nanofi warnings -Wstringop-truncation (GCC 10+)

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.10.0
• Assignee: Marton Szasz
• Reporter: Marton Szasz
• Created: 27/May/21 14:37
• Updated: 07/Jun/21 15:52
• Resolved: 02/Jun/21 13:24

Description

{{In file included from /usr/include/string.h:519,
from ../thirdparty/ut/uthash.h:29,
from ../nanofi/include/api/ecu.h:24,
from ../nanofi/src/api/ecu.c:1:
In function ‘strncpy’,
inlined from ‘get_properties.part.0’ at ../nanofi/src/api/ecu.c:407:5:
/usr/include/bits/string_fortified.h:95:10: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
95 |   return _builtin_strncpy_chk (_dest, __src, __len,
   |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
96 |                                   _glibc_objsize (_dest));
   |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~
../nanofi/src/api/ecu.c: In function ‘get_properties.part.0’:
../nanofi/src/api/ecu.c:405:15: note: length computed here
405 |     int len = strlen(file_path);
    |               ^~~~~~~~~~~~~~~~~
In file included from /usr/include/string.h:519,
from ../thirdparty/ut/uthash.h:29,
from ../nanofi/include/api/ecu.h:24,
from ../nanofi/src/api/ecu.c:1:
In function ‘strncpy’,
inlined from ‘on_trigger_tailfilechunk’ at ../nanofi/src/api/ecu.c:277:9:
/usr/include/bits/string_fortified.h:95:10: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
95 |   return _builtin_strncpy_chk (_dest, __src, __len,
   |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
96 |                                   _glibc_objsize (_dest));
   |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~
../nanofi/src/api/ecu.c: In function ‘on_trigger_tailfilechunk’:
../nanofi/src/api/ecu.c:275:19: note: length computed here
275 |         int len = strlen(file_path);
    |                   ^~~~~~~~~~~~~~~~~
}}