xref: /llvm-project/clang/test/Analysis/cstring-syntax-weird.c (revision 630f7daf80fe36d3aa4a9ebe60e7abefae514bba)
1*630f7dafSArtem Dergachev // RUN: %clang_analyze_cc1 -w -analyzer-checker=unix.cstring.BadSizeArg \
2*630f7dafSArtem Dergachev // RUN:                    -verify %s
3*630f7dafSArtem Dergachev 
4*630f7dafSArtem Dergachev // expected-no-diagnostics
5*630f7dafSArtem Dergachev 
6*630f7dafSArtem Dergachev typedef __SIZE_TYPE__ size_t;
7*630f7dafSArtem Dergachev // The last parameter is normally size_t but the test is about the abnormal
8*630f7dafSArtem Dergachev // situation when it's not a size_t.
9*630f7dafSArtem Dergachev size_t strlcpy(char *, const char *, int);
10*630f7dafSArtem Dergachev 
11*630f7dafSArtem Dergachev enum WeirdDecl {
12*630f7dafSArtem Dergachev   AStrangeWayToSpecifyStringLengthCorrectly = 10UL,
13*630f7dafSArtem Dergachev   AStrangeWayToSpecifyStringLengthIncorrectly = 5UL
14*630f7dafSArtem Dergachev };
testWeirdDecls(const char * src)15*630f7dafSArtem Dergachev void testWeirdDecls(const char *src) {
16*630f7dafSArtem Dergachev   char dst[10];
17*630f7dafSArtem Dergachev   strlcpy(dst, src, AStrangeWayToSpecifyStringLengthCorrectly); // no-crash
18*630f7dafSArtem Dergachev   strlcpy(dst, src, AStrangeWayToSpecifyStringLengthIncorrectly); // no-crash // no-warning
19*630f7dafSArtem Dergachev }
20