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glibc/stdio-common/tst-ferror.c
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#include <stdio.h> | |
static int | |
do_test (void) | |
{ | |
char buf[100]; | |
int result = 0; | |
if (ferror (stdin) != 0) | |
{ | |
fputs ("error bit set for stdin at startup\n", stdout); | |
result = 1; | |
} | |
if (fgets (buf, sizeof buf, stdin) != buf) | |
{ | |
fputs ("fgets with existing input has problem\n", stdout); | |
result = 1; | |
} | |
if (ferror (stdin) != 0) | |
{ | |
fputs ("error bit set for stdin after setup\n", stdout); | |
result = 1; | |
} | |
if (fputc ('a', stdin) != EOF) | |
{ | |
fputs ("fputc to stdin does not terminate with an error\n", stdout); | |
result = 1; | |
} | |
if (ferror (stdin) == 0) | |
{ | |
fputs ("error bit not set for stdin after fputc\n", stdout); | |
result = 1; | |
} | |
clearerr (stdin); | |
if (ferror (stdin) != 0) | |
{ | |
fputs ("error bit set for stdin after clearerr\n", stdout); | |
result = 1; | |
} | |
return result; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |