| // 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); |
| } |