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// RUN: %clang_analyze_cc1 -triple=x86_64-pc-linux-gnu -analyzer-checker=core,unix.Stream,debug.ExprInspection \
// RUN: -analyzer-config unix.Stream:Pedantic=false -verify=nopedantic %s
// RUN: %clang_analyze_cc1 -triple=x86_64-pc-linux-gnu -analyzer-checker=core,unix.Stream,debug.ExprInspection \
// RUN: -analyzer-config unix.Stream:Pedantic=true -verify=pedantic %s
#include "Inputs/system-header-simulator.h"
void clang_analyzer_eval(int);
void check_fwrite(void) {
char *Buf = "123456789";
FILE *Fp = tmpfile();
if (!Fp)
return;
size_t Ret = fwrite(Buf, 1, 10, Fp);
clang_analyzer_eval(Ret == 0); // nopedantic-warning {{FALSE}} \
// pedantic-warning {{FALSE}} \
// pedantic-warning {{TRUE}}
fputc('A', Fp); // pedantic-warning {{might be 'indeterminate'}}
fclose(Fp);
}
void check_fputc(void) {
FILE *Fp = tmpfile();
if (!Fp)
return;
int Ret = fputc('A', Fp);
clang_analyzer_eval(Ret == EOF); // nopedantic-warning {{FALSE}} \
// pedantic-warning {{FALSE}} \
// pedantic-warning {{TRUE}}
fputc('A', Fp); // pedantic-warning {{might be 'indeterminate'}}
fclose(Fp);
}
void check_fputs(void) {
FILE *Fp = tmpfile();
if (!Fp)
return;
int Ret = fputs("ABC", Fp);
clang_analyzer_eval(Ret == EOF); // nopedantic-warning {{FALSE}} \
// pedantic-warning {{FALSE}} \
// pedantic-warning {{TRUE}}
fputc('A', Fp); // pedantic-warning {{might be 'indeterminate'}}
fclose(Fp);
}
void check_fprintf(void) {
FILE *Fp = tmpfile();
if (!Fp)
return;
int Ret = fprintf(Fp, "ABC");
clang_analyzer_eval(Ret < 0); // nopedantic-warning {{FALSE}} \
// pedantic-warning {{FALSE}} \
// pedantic-warning {{TRUE}}
fputc('A', Fp); // pedantic-warning {{might be 'indeterminate'}}
fclose(Fp);
}
void check_fseek(void) {
FILE *Fp = tmpfile();
if (!Fp)
return;
int Ret = fseek(Fp, 0, 0);
clang_analyzer_eval(Ret == -1); // nopedantic-warning {{FALSE}} \
// pedantic-warning {{FALSE}} \
// pedantic-warning {{TRUE}}
fputc('A', Fp); // pedantic-warning {{might be 'indeterminate'}}
fclose(Fp);
}
void check_fseeko(void) {
FILE *Fp = tmpfile();
if (!Fp)
return;
int Ret = fseeko(Fp, 0, 0);
clang_analyzer_eval(Ret == -1); // nopedantic-warning {{FALSE}} \
// pedantic-warning {{FALSE}} \
// pedantic-warning {{TRUE}}
fputc('A', Fp); // pedantic-warning {{might be 'indeterminate'}}
fclose(Fp);
}
void check_fsetpos(void) {
FILE *Fp = tmpfile();
if (!Fp)
return;
fpos_t Pos;
int Ret = fsetpos(Fp, &Pos);
clang_analyzer_eval(Ret); // nopedantic-warning {{FALSE}} \
// pedantic-warning {{FALSE}} \
// pedantic-warning {{TRUE}}
fputc('A', Fp); // pedantic-warning {{might be 'indeterminate'}}
fclose(Fp);
}
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