[STDCXX-755] [HP aCC 6.16] Potential null pointer dereference in locale.cpp

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.2.0
• Fix Version/s: 4.2.1
• Component/s: Test Driver

Environment

$ uname -sr && aCC -V
HP-UX B.11.31
aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]

• Assignee: Travis Vitek
• Reporter: Scott (Yu) Zhong
• Created: 13/Mar/08 21:03
• Updated: 02/May/13 02:29
• Resolved: 04/Apr/08 18:52

Description

When compiled with HP aCC 6.16 with the +w option, the locale.cpp test driver source file produces a bunch of warnings (and remarks):

aCC -c    -mt -I$(TOPDIR)/include -I$(BUILDDIR)/include -I$(TOPDIR)/tests/include  \
    -AA  +O2  +DD64 +w +W392 +W655 +W684 +W818 +W819 +W849 +W2193 +W2236 +W2261 \
    +W2340 +W2401 +W2487 +W4227 +W4229 +W4231 +W4235 +W4237 +W4249 +W4255 \
    +W4272 +W4284 +W4285 +W4286 +W4296 +W4297 +W3348 \
    $(TOPDIR)/tests/src/locale.cpp
"$(TOPDIR)/include/limits", line 449: warning #4070-D: floating point underflow exception
      _RWSTD_STATIC_FUN (long double, (min), _RWSTD_LDBL_MIN) 
      ^

"$(TOPDIR)/tests/src/locale.cpp", line 1534: remark #4298-D: addition result could be truncated before cast to bigger sized type
              offset += (len + 1);
                             ^

"$(TOPDIR)/tests/src/locale.cpp", line 380, procedure rw_locales: warning #20200-D: Potential null pointer dereference through slocname is detected (null definition:$(TOPDIR)/tests/src/locale.cpp, line 375)

"$(TOPDIR)/tests/src/locale.cpp", line 472, procedure rw_locales: warning #20200-D: Potential null pointer dereference through  return of call to malloc is detected (null definition:$(TOPDIR)/tests/src/locale.cpp, line 469)

"$(TOPDIR)/tests/src/locale.cpp", line 1215, procedure _rw_all_locales: warning #20206-D: Out of bound access (In expression "strcpy((char*)entry->locale_name, (char*)locale)", entry->locale_name (type: char [64]) has byte range [0 .. 63], writing byte range [0 .. 127].)

Issue Links

• depends upon: STDCXX-829 [HP aCC 6.16] bogus cadvise warning #20206 on safe code