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https://github.com/FAUSheppy/colorredstderr-mirror
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tests: Add example_stdio.c and test_stdio.sh.
This commit is contained in:
Simon Ruderich
4
.gitignore
vendored
4
.gitignore
vendored
@@ -29,6 +29,8 @@
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/tests/example_error.o
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/tests/example_exec
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/tests/example_exec.o
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/tests/example_stdio
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/tests/example_stdio.o
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/tests/example_vfork
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/tests/example_vfork.o
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/tests/test_environment.sh.log
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@@ -47,6 +49,8 @@
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/tests/test_redirects.sh.trs
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/tests/test_simple.sh.log
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/tests/test_simple.sh.trs
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/tests/test_stdio.sh.log
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/tests/test_stdio.sh.trs
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/tests/test_symbols.sh.log
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/tests/test_symbols.sh.trs
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/tests/test_vfork.sh.log
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8
README
8
README
@@ -137,6 +137,14 @@ doesn't exist it's created. An existing file isn't overwritten, but the
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warnings are appended at the end.
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KNOWN ISSUES
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------------
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- `{fputc,putc,putchar}_unlocked()` are not hooked when writing to stdout
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(which might be redirected to stderr). Can't be fixed as the compiler
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inlines the code into the program without calling any function.
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BUGS
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----
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@@ -6,8 +6,9 @@ TESTS = test_environment.sh \
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test_exec.sh \
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test_noforce.sh \
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test_redirects.sh \
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test_simple.sh
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check_PROGRAMS = example example_exec
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test_simple.sh \
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test_stdio.sh
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check_PROGRAMS = example example_exec example_stdio
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if HAVE_ERR_H
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TESTS += test_err.sh
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@@ -36,6 +37,7 @@ dist_check_DATA = example.h \
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example_redirects.sh.expected \
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example_simple.sh \
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example_simple.sh.expected \
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example_stdio.expected \
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example_vfork.expected
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# Used by lib.sh. Can't use "export EGREP" because it doesn't work with BSD's
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140
tests/example_stdio.c
Normal file
140
tests/example_stdio.c
Normal file
@@ -0,0 +1,140 @@
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/*
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* Test all hooked stdio.h functions.
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*
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* Copyright (C) 2013 Simon Ruderich
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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/* For {fwrite,fputs,fputc}_unlocked(), if available. */
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include "example.h"
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#include "../src/compiler.h"
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/* These are not in POSIX. */
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#ifndef HAVE_FWRITE_UNLOCKED
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static size_t fwrite_unlocked(void const *ptr, size_t size, size_t n, FILE *stream) {
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return fwrite(ptr, size, n, stream);
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}
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#endif
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#ifndef HAVE_FPUTS_UNLOCKED
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static int fputs_unlocked(char const *s, FILE *stream) {
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return fputs(s, stream);
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}
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#endif
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#ifndef HAVE_FPUTC_UNLOCKED
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static int fputc_unlocked(int c, FILE *stream) {
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return fputc(c, stream);
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}
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#endif
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static int out;
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static void test_vprintf(char const *format, ...) noinline;
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static void test_vfprintf(FILE *stream, char const *format, ...) noinline;
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static void NEWLINE(void) noinline;
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static void test_vprintf(char const *format, ...) {
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va_list ap;
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va_start(ap, format);
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vprintf(format, ap);
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va_end(ap);
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}
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static void test_vfprintf(FILE *stream, char const *format, ...) {
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va_list ap;
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va_start(ap, format);
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vfprintf(stream, format, ap);
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va_end(ap);
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}
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static void NEWLINE(void) {
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fflush(stdout);
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fflush(stderr);
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xwrite(out, "\n", 1);
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}
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int main(int argc, char **argv unused) {
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/* stdout */
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out = dup(STDOUT_FILENO);
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if (out == -1) {
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perror("dup");
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return EXIT_FAILURE;
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}
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/* Redirect stdout to stderr so we can test all functions, including those
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* not writing to stderr. */
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xdup2(STDERR_FILENO, STDOUT_FILENO);
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/* stdout redirected to stderr. */
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xwrite(STDOUT_FILENO, "write()", 7); NEWLINE();
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fwrite("fwrite()", 8, 1, stdout); NEWLINE();
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/* puts(3) */
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fputs("fputs()", stdout); NEWLINE();
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fputc('a', stdout); NEWLINE();
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putc('b', stdout); NEWLINE();
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putchar('c'); NEWLINE();
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puts("puts()"); NEWLINE();
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/* printf(3) */
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printf("%s [%d]", "printf()", argc); NEWLINE();
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fprintf(stdout, "%s [%d]", "fprintf()", argc); NEWLINE();
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test_vprintf("%s [%d]", "vprintf()", argc); NEWLINE();
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test_vfprintf(stdout, "%s [%d]", "vfprintf()", argc); NEWLINE();
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/* unlocked_stdio(3) */
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fwrite_unlocked("fwrite_unlocked()", 17, 1, stdout); NEWLINE();
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fputs_unlocked("fputs_unlocked()", stdout); NEWLINE();
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/* FIXME: 'x', 'y' and 'z' are not colored */
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fputc_unlocked('x', stdout); NEWLINE();
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putc_unlocked('y', stdout); NEWLINE();
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putchar_unlocked('z'); NEWLINE();
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/* stderr */
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xwrite(STDERR_FILENO, "write()", 7); NEWLINE();
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fwrite("fwrite()", 8, 1, stderr); NEWLINE();
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/* puts(3) */
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fputs("fputs()", stderr); NEWLINE();
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fputc('a', stderr); NEWLINE();
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putc('b', stderr); NEWLINE();
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/* printf(3) */
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fprintf(stderr, "%s [%d]", "fprintf()", argc); NEWLINE();
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test_vfprintf(stderr, "%s [%d]", "vfprintf()", argc); NEWLINE();
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/* unlocked_stdio(3) */
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fwrite_unlocked("fwrite_unlocked()", 17, 1, stderr); NEWLINE();
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fputs_unlocked("fputs_unlocked()", stderr); NEWLINE();
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fputc_unlocked('x', stderr); NEWLINE();
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putc_unlocked('y', stderr); NEWLINE();
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return EXIT_SUCCESS;
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}
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28
tests/example_stdio.expected
Normal file
28
tests/example_stdio.expected
Normal file
@@ -0,0 +1,28 @@
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>STDERR>write()<STDERR<
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>STDERR>fwrite()<STDERR<
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>STDERR>fputs()<STDERR<
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>STDERR>a<STDERR<
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>STDERR>b<STDERR<
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>STDERR>c<STDERR<
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>STDERR>puts()
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<STDERR<
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>STDERR>printf() [1]<STDERR<
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>STDERR>fprintf() [1]<STDERR<
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>STDERR>vprintf() [1]<STDERR<
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>STDERR>vfprintf() [1]<STDERR<
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>STDERR>fwrite_unlocked()<STDERR<
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>STDERR>fputs_unlocked()<STDERR<
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x
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y
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z
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>STDERR>write()<STDERR<
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>STDERR>fwrite()<STDERR<
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>STDERR>fputs()<STDERR<
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>STDERR>a<STDERR<
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>STDERR>b<STDERR<
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>STDERR>fprintf() [1]<STDERR<
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>STDERR>vfprintf() [1]<STDERR<
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>STDERR>fwrite_unlocked()<STDERR<
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>STDERR>fputs_unlocked()<STDERR<
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>STDERR>x<STDERR<
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>STDERR>y<STDERR<
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23
tests/test_stdio.sh
Executable file
23
tests/test_stdio.sh
Executable file
@@ -0,0 +1,23 @@
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#!/bin/sh
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# Copyright (C) 2013 Simon Ruderich
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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test "x$srcdir" = x && srcdir=.
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. "$srcdir/lib.sh"
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test_program example_stdio
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test_program_subshell example_stdio
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