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// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.unix.Stream,alpha.unix.StdCLibraryFunctions,debug.ExprInspection \
// RUN: -analyzer-config alpha.unix.StdCLibraryFunctions:ModelPOSIX=true -verify=stream,any %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.unix.Stream,debug.ExprInspection \
// RUN: -analyzer-config alpha.unix.StdCLibraryFunctions:ModelPOSIX=true -verify=stream,any %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.unix.StdCLibraryFunctions,debug.ExprInspection \
// RUN: -analyzer-config alpha.unix.StdCLibraryFunctions:ModelPOSIX=true -verify=stdfunc,any %s
#include "Inputs/system-header-simulator.h"
extern void clang_analyzer_eval(int);
void *buf;
size_t size;
size_t n;
void test_fopen(void) {
FILE *fp = fopen("path", "r");
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}} any-warning{{FALSE}}
fclose(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
}
void test_tmpfile(void) {
FILE *fp = tmpfile();
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}} any-warning{{FALSE}}
fclose(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
}
void test_fclose(void) {
FILE *fp = tmpfile();
fclose(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
}
void test_freopen(void) {
FILE *fp = tmpfile();
fp = freopen("file", "w", fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
fclose(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
}
void test_fread(void) {
FILE *fp = tmpfile();
size_t ret = fread(buf, size, n, fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{The 4th argument to 'fread' is NULL but should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
clang_analyzer_eval(ret <= n); // any-warning{{TRUE}}
clang_analyzer_eval(ret == n); // any-warning{{TRUE}} any-warning{{FALSE}}
fclose(fp);
}
void test_fwrite(void) {
FILE *fp = tmpfile();
size_t ret = fwrite(buf, size, n, fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{The 4th argument to 'fwrite' is NULL but should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
clang_analyzer_eval(ret <= n); // any-warning{{TRUE}}
clang_analyzer_eval(ret == n); // any-warning{{TRUE}} any-warning{{FALSE}}
fclose(fp);
}
void test_fseek(void) {
FILE *fp = tmpfile();
fseek(fp, 0, 0); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_ftell(void) {
FILE *fp = tmpfile();
ftell(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_rewind(void) {
FILE *fp = tmpfile();
rewind(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_fgetpos(void) {
FILE *fp = tmpfile();
fpos_t pos;
fgetpos(fp, &pos); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_fsetpos(void) {
FILE *fp = tmpfile();
fpos_t pos;
fsetpos(fp, &pos); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_clearerr(void) {
FILE *fp = tmpfile();
clearerr(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_feof(void) {
FILE *fp = tmpfile();
feof(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_ferror(void) {
FILE *fp = tmpfile();
ferror(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
void test_fileno(void) {
FILE *fp = tmpfile();
fileno(fp); // \
// stream-warning{{Stream pointer might be NULL}} \
// stdfunc-warning{{should not be NULL}}
clang_analyzer_eval(fp != NULL); // any-warning{{TRUE}}
fclose(fp);
}
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