You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.4 KiB
65 lines
2.4 KiB
4 months ago
|
// Check that the more specific checkers report and not the generic
|
||
|
|
// StdCLibraryFunctionArgs checker.
|
||
|
|
|
||
|
|
// RUN: %clang_analyze_cc1 %s \
|
||
|
|
// RUN: -analyzer-checker=core \
|
||
|
|
// RUN: -analyzer-checker=apiModeling.StdCLibraryFunctions \
|
||
|
|
// RUN: -analyzer-config apiModeling.StdCLibraryFunctions:ModelPOSIX=true \
|
||
|
|
// RUN: -analyzer-checker=alpha.unix.StdCLibraryFunctionArgs \
|
||
|
|
// RUN: -analyzer-checker=alpha.unix.Stream \
|
||
|
|
// RUN: -triple x86_64-unknown-linux-gnu \
|
||
|
|
// RUN: -verify
|
||
|
|
|
||
|
|
|
||
|
|
// Make sure that all used functions have their summary loaded.
|
||
|
|
|
||
|
|
// RUN: %clang_analyze_cc1 %s \
|
||
|
|
// RUN: -analyzer-checker=core \
|
||
|
|
// RUN: -analyzer-checker=apiModeling.StdCLibraryFunctions \
|
||
|
|
// RUN: -analyzer-config apiModeling.StdCLibraryFunctions:ModelPOSIX=true \
|
||
|
|
// RUN: -analyzer-checker=alpha.unix.StdCLibraryFunctionArgs \
|
||
|
|
// RUN: -analyzer-checker=alpha.unix.Stream \
|
||
|
|
// RUN: -analyzer-config apiModeling.StdCLibraryFunctions:DisplayLoadedSummaries=true \
|
||
|
|
// RUN: -triple x86_64-unknown-linux 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
// CHECK: Loaded summary for: int isalnum(int)
|
||
|
|
// CHECK: Loaded summary for: unsigned long fread(void *restrict, size_t, size_t, FILE *restrict) __attribute__((nonnull(1)))
|
||
|
|
// CHECK: Loaded summary for: int fileno(FILE *stream)
|
||
|
|
|
||
|
|
void initializeSummaryMap();
|
||
|
|
// We analyze this function first, and the call expression inside initializes
|
||
|
|
// the summary map. This way we force the loading of the summaries. The
|
||
|
|
// summaries would not be loaded without this because during the first bug
|
||
|
|
// report in WeakDependency::checkPreCall we stop further evaluation. And
|
||
|
|
// StdLibraryFunctionsChecker lazily initializes its summary map from its
|
||
|
|
// checkPreCall.
|
||
|
|
void analyzeThisFirst() {
|
||
|
|
initializeSummaryMap();
|
||
|
|
}
|
||
|
|
|
||
|
|
typedef __typeof(sizeof(int)) size_t;
|
||
|
|
struct FILE;
|
||
|
|
typedef struct FILE FILE;
|
||
|
|
|
||
|
|
int isalnum(int);
|
||
|
|
size_t fread(void *restrict, size_t, size_t, FILE *restrict) __attribute__((nonnull(1)));
|
||
|
|
int fileno(FILE *stream);
|
||
|
|
|
||
|
|
void test_uninit_arg() {
|
||
|
|
int v;
|
||
|
|
int r = isalnum(v); // \
|
||
|
|
// expected-warning{{1st function call argument is an uninitialized value [core.CallAndMessage]}}
|
||
|
|
(void)r;
|
||
|
|
}
|
||
|
|
|
||
|
|
void test_notnull_arg(FILE *F) {
|
||
|
|
int *p = 0;
|
||
|
|
fread(p, sizeof(int), 5, F); // \
|
||
|
|
expected-warning{{Null pointer passed to 1st parameter expecting 'nonnull' [core.NonNullParamChecker]}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void test_notnull_stream_arg() {
|
||
|
|
fileno(0); // \
|
||
|
|
// expected-warning{{Stream pointer might be NULL [alpha.unix.Stream]}}
|
||
|
|
}
|