41 lines · cpp
1// RUN: echo "abcde" > %t-testdata2// RUN: echo "12345" >> %t-testdata3// RUN: %clangxx_msan -O0 %s -o %t && %run %t %t-testdata4// RUN: %clangxx_msan -O2 %s -o %t && %run %t %t-testdata5// RUN: %clang_msan -O0 -xc %s -o %t && %run %t %t-testdata6// RUN: %clang_msan -O2 -xc %s -o %t && %run %t %t-testdata7// RUN: %clang_msan -O0 -xc -D_GNU_SOURCE=1 %s -o %t && %run %t %t-testdata8// RUN: %clang_msan -O2 -xc -D_GNU_SOURCE=1 %s -o %t && %run %t %t-testdata9 10#if defined(__FreeBSD__)11#define _WITH_GETLINE // To declare getline().12#endif13 14#include <assert.h>15#include <stdio.h>16#include <stdlib.h>17#include <string.h>18 19int main(int argc, char **argv) {20 assert(argc == 2);21 printf("%s\n", argv[1]);22 23 FILE *fp = fopen(argv[1], "r");24 assert(fp);25 26 char *line = 0;27 size_t len = 0;28 int n = getline(&line, &len, fp);29 assert(n == 6);30 assert(strcmp(line, "abcde\n") == 0);31 32 n = getline(&line, &len, fp);33 assert(n == 6);34 assert(strcmp(line, "12345\n") == 0);35 36 free(line);37 fclose(fp);38 39 return 0;40}41