[Bug c/85931] -Wsizeof-pointer-memaccess for strncpy with size of source

2022-01-26 Thread msebor at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85931

Martin Sebor  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #6 from Martin Sebor  ---
Presumably fixed by r261515.

[Bug c/85931] -Wsizeof-pointer-memaccess for strncpy with size of source

2018-06-12 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85931

Martin Sebor  changed:

   What|Removed |Added

  Known to work||9.0
  Known to fail|9.0 |

--- Comment #5 from Martin Sebor  ---
Patch committed into trunk in r261515.

[Bug c/85931] -Wsizeof-pointer-memaccess for strncpy with size of source

2018-06-12 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85931

--- Comment #4 from Martin Sebor  ---
Author: msebor
Date: Tue Jun 12 17:14:31 2018
New Revision: 261515

URL: https://gcc.gnu.org/viewcvs?rev=261515=gcc=rev
Log:
PR c/85931 -  -Wsizeof-pointer-memaccess for strncpy with size of source

gcc/c-family/ChangeLog:

PR c/85931
* c-warn.c (sizeof_pointer_memaccess_warning): Avoid warning when
sizeof source and destination yields the same value.

gcc/ChangeLog:

PR c/85931
* fold-const.c (operand_equal_p): Handle SAVE_EXPR.

gcc/testsuite/ChangeLog:

PR c/85931
* gcc.dg/Wstringop-truncation-3.c: New test.


Added:
trunk/gcc/testsuite/gcc.dg/Wstringop-truncation-3.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c-warn.c
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog

[Bug c/85931] -Wsizeof-pointer-memaccess for strncpy with size of source

2018-05-31 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85931

Martin Sebor  changed:

   What|Removed |Added

   Keywords||patch

--- Comment #3 from Martin Sebor  ---
Patch: https://gcc.gnu.org/ml/gcc-patches/2018-05/msg01698.html

[Bug c/85931] -Wsizeof-pointer-memaccess for strncpy with size of source

2018-05-29 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85931

Martin Sebor  changed:

   What|Removed |Added

 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2018-05-29
   Assignee|unassigned at gcc dot gnu.org  |msebor at gcc dot 
gnu.org
 Ever confirmed|0   |1

--- Comment #2 from Martin Sebor  ---
Testing a patch.

[Bug c/85931] -Wsizeof-pointer-memaccess for strncpy with size of source

2018-05-25 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85931

Martin Sebor  changed:

   What|Removed |Added

   Keywords||diagnostic
   See Also||https://gcc.gnu.org/bugzill
   ||a/show_bug.cgi?id=85602

--- Comment #1 from Martin Sebor  ---
See also bug 85602 for another related instance of the warning, this one for
strncat.