diff options
Diffstat (limited to 'stdio-common')
-rw-r--r-- | stdio-common/Makefile | 2 | ||||
-rw-r--r-- | stdio-common/tst-ferror.c | 41 | ||||
-rw-r--r-- | stdio-common/tst-ferror.input | 1 |
3 files changed, 43 insertions, 1 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile index b09a3a2eeb..e85cc1db23 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -39,7 +39,7 @@ aux := errlist siglist distribute := _itoa.h printf-parse.h tests := tst-printf tstscanf test_rdwr test-popen tstgetln test-fseek \ - temptest tst-fileno test-fwrite tst-ungetc \ + temptest tst-fileno test-fwrite tst-ungetc tst-ferror \ xbug errnobug \ bug1 bug2 bug3 bug4 bug5 bug6 bug7 bug8 bug9 bug10 bug11 \ tfformat tiformat tstdiomisc \ diff --git a/stdio-common/tst-ferror.c b/stdio-common/tst-ferror.c new file mode 100644 index 0000000000..5f23002c7a --- /dev/null +++ b/stdio-common/tst-ferror.c @@ -0,0 +1,41 @@ +#include <stdio.h> + +int +main (int argc, char *argv[]) +{ + 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; +} diff --git a/stdio-common/tst-ferror.input b/stdio-common/tst-ferror.input new file mode 100644 index 0000000000..484ba93ef5 --- /dev/null +++ b/stdio-common/tst-ferror.input @@ -0,0 +1 @@ +This is a test. |