fix(pvs): resolve Low Level (Level 3) static analyzer warnings and formatting notes - #88
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bivex wants to merge 4 commits into
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fix(pvs): resolve Low Level (Level 3) static analyzer warnings and formatting notes#88bivex wants to merge 4 commits into
bivex wants to merge 4 commits into
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- Fix potential buffer overflow and bounds check in main.c (preprocess) - Fix termios c_lflag bitmask truncation on 64-bit platforms in mesg.c - Fix potential null pointer dereferences in pangen2.c, pangen3.c, and run.c - Fix undefined behavior in 64-bit bit shift operations (1UL<<j) in pangen6.c - Fix EVAL AST node child type check logic in pangen6.c - Fix code formatting ambiguity in pangen7.c - Fix potential division by zero modulo in run.c
- Add array bounds guards for string operations in guided.c, msc_tcl.c, and structs.c - Fix sizeof(IArg_cont[IArgno]) target buffer in spinlex.c - Fix block scope formatting in spinlex.c - Declare alldone(int) with noreturn attribute and fix comparison logic in main.c - Guard NULL pointers in eligible() in pangen5.c - Clean up redundant pointer checks in flow.c and mesg.c - Remove redundant loop condition in pangen1.c - Add fallthrough annotations, simplify boolean logic, and remove dead assignment in pangen2.c - Remove unreachable code after fatal() in sym.c - Parenthesize assignment and ternary operator expression in tl_mem.c
…rmatting notes - Explicitly cast int/char arguments to match fprintf format specifiers in pangen2.c and pangen3.c - Add NULL pointer checks in claim_has_accept() in pangen7.c - Guard pointer dereferences in getlocal() and setlocal() in sched.c - Guard NULL pointers when building struct nodes in structs.c - Guard NULL pointers in dupnode() and isequal() in tl_cache.c - Cast memory size arguments to long for printf formatting in tl_cache.c and tl_main.c
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Summary
This PR resolves Low Level (Level 3) static analyzer warnings and format specifier notes reported by PVS-Studio across the Spin codebase.
Fixes Included
Src/pangen2.c: Cast status expression to(int)forfprintfformatting.Src/pangen3.c: Cast node type to(char)forfprintf%cformat.Src/tl_cache.c&Src/tl_main.c: CastCaches,CacheHits, andAll_Memto(long)for%9ldformatting.Src/pangen7.c: Added NULL pointer check inclaim_has_accept().Src/sched.c: Guardedrpointer ingetlocal()andsetlocal().Src/structs.c: Guarded node allocations (cpnn) before field assignment.Src/tl_cache.c: Guardedgetnode()result indupnode()and node pointers inisequal().Verification
make clean && make) completed cleanly with 0 errors and 0 compiler warnings.