diff options
Diffstat (limited to 'clang/test/Analysis/errno-stdlibraryfunctions.c')
-rw-r--r-- | clang/test/Analysis/errno-stdlibraryfunctions.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/clang/test/Analysis/errno-stdlibraryfunctions.c b/clang/test/Analysis/errno-stdlibraryfunctions.c index dafda76..80e14c4 100644 --- a/clang/test/Analysis/errno-stdlibraryfunctions.c +++ b/clang/test/Analysis/errno-stdlibraryfunctions.c @@ -7,12 +7,9 @@ // RUN: -analyzer-config unix.StdCLibraryFunctions:ModelPOSIX=true #include "Inputs/errno_var.h" +#include "Inputs/std-c-library-functions-POSIX.h" -typedef typeof(sizeof(int)) size_t; -typedef __typeof(sizeof(int)) off_t; -typedef size_t ssize_t; -ssize_t send(int sockfd, const void *buf, size_t len, int flags); -off_t lseek(int fildes, off_t offset, int whence); +#define NULL ((void *) 0) void clang_analyzer_warnIfReached(); void clang_analyzer_eval(int); @@ -54,3 +51,26 @@ int errno_lseek(int fildes, off_t offset) { } return 0; } + +void errno_mkstemp(char *template) { + int FD = mkstemp(template); + if (FD >= 0) { + if (errno) {} // expected-warning{{An undefined value may be read from 'errno'}} + close(FD); + } else { + clang_analyzer_eval(FD == -1); // expected-warning{{TRUE}} + clang_analyzer_eval(errno != 0); // expected-warning{{TRUE}} + if (errno) {} // no warning + } +} + +void errno_mkdtemp(char *template) { + char *Dir = mkdtemp(template); + if (Dir == NULL) { + clang_analyzer_eval(errno != 0); // expected-warning{{TRUE}} + if (errno) {} // no warning + } else { + clang_analyzer_eval(Dir == template); // expected-warning{{TRUE}} + if (errno) {} // expected-warning{{An undefined value may be read from 'errno'}} + } +} |