diff options
| -rw-r--r-- | lib/libc/stdio/flags.c | 55 | ||||
| -rw-r--r-- | tools/regression/lib/libc/stdio/test-fopen.c | 113 | ||||
| -rw-r--r-- | tools/regression/lib/libc/stdio/test-fopen.t | 10 |
3 files changed, 151 insertions, 27 deletions
diff --git a/lib/libc/stdio/flags.c b/lib/libc/stdio/flags.c index 1878c2f..b7552a4 100644 --- a/lib/libc/stdio/flags.c +++ b/lib/libc/stdio/flags.c @@ -51,7 +51,7 @@ __FBSDID("$FreeBSD$"); int __sflags(const char *mode, int *optr) { - int ret, m, o; + int ret, m, o, known; switch (*mode++) { @@ -78,34 +78,35 @@ __sflags(const char *mode, int *optr) return (0); } - /* 'b' (binary) is ignored */ - if (*mode == 'b') - mode++; - - /* [rwa][b]\+ means read and write */ - if (*mode == '+') { - mode++; - ret = __SRW; - m = O_RDWR; - } - - /* 'b' (binary) can appear here, too -- and is ignored again */ - if (*mode == 'b') - mode++; - - /* 'x' means exclusive (fail if the file exists) */ - if (*mode == 'x') { - mode++; - if (m == O_RDONLY) { - errno = EINVAL; - return (0); + do { + known = 1; + switch (*mode++) { + case 'b': + /* 'b' (binary) is ignored */ + break; + case '+': + /* [rwa][b]\+ means read and write */ + ret = __SRW; + m = O_RDWR; + break; + case 'x': + /* 'x' means exclusive (fail if the file exists) */ + o |= O_EXCL; + break; + case 'e': + /* set close-on-exec */ + o |= O_CLOEXEC; + break; + default: + known = 0; + break; } - o |= O_EXCL; - } + } while (known); - /* set close-on-exec */ - if (*mode == 'e') - o |= O_CLOEXEC; + if ((o & O_EXCL) != 0 && m == O_RDONLY) { + errno = EINVAL; + return (0); + } *optr = m | o; return (ret); diff --git a/tools/regression/lib/libc/stdio/test-fopen.c b/tools/regression/lib/libc/stdio/test-fopen.c new file mode 100644 index 0000000..8605717 --- /dev/null +++ b/tools/regression/lib/libc/stdio/test-fopen.c @@ -0,0 +1,113 @@ +/*- + * Copyright (c) 2013 Jilles Tjoelker + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <fcntl.h> +#include <stdio.h> +#include <string.h> + +/* + * O_ACCMODE is currently defined incorrectly. This is what it should be. + * Various code depends on the incorrect value. + */ +#define CORRECT_O_ACCMODE (O_ACCMODE | O_EXEC) + +static int testnum = 1; + +static void +runtest(const char *fname, const char *mode) +{ + FILE *fp; + int fd, flags, wantedflags; + + fp = fopen(fname, mode); + if (fp == NULL) { + printf("not ok %d - fopen(\"%s\", \"%s\") failed\n", + testnum++, fname, mode); + printf("not ok %d - FD_CLOEXEC # SKIP\n", + testnum++); + return; + } + fd = fileno(fp); + if (fd < 0) + printf("not ok %d - fileno() failed\n", testnum++); + else + printf("ok %d - fopen(\"%s\", \"%s\") and fileno() succeeded\n", + testnum++, fname, mode); + if (fcntl(fd, F_GETFD) == (strchr(mode, 'e') != NULL ? FD_CLOEXEC : 0)) + printf("ok %d - FD_CLOEXEC flag correct\n", testnum++); + else + printf("not ok %d - FD_CLOEXEC flag incorrect\n", testnum++); + flags = fcntl(fd, F_GETFL); + if (strchr(mode, '+')) + wantedflags = O_RDWR | (*mode == 'a' ? O_APPEND : 0); + else if (*mode == 'r') + wantedflags = O_RDONLY; + else if (*mode == 'w') + wantedflags = O_WRONLY; + else if (*mode == 'a') + wantedflags = O_WRONLY | O_APPEND; + else + wantedflags = -1; + if (wantedflags == -1) + printf("not ok %d - unrecognized mode\n", testnum++); + else if ((flags & (CORRECT_O_ACCMODE | O_APPEND)) == wantedflags) + printf("ok %d - correct access mode\n", testnum++); + else + printf("not ok %d - incorrect access mode\n", testnum++); + fclose(fp); +} + +/* + * Test program for fopen(). + */ +int +main(int argc, char *argv[]) +{ + printf("1..45\n"); + runtest("/dev/null", "r"); + runtest("/dev/null", "r+"); + runtest("/dev/null", "w"); + runtest("/dev/null", "w+"); + runtest("/dev/null", "a"); + runtest("/dev/null", "a+"); + runtest("/dev/null", "re"); + runtest("/dev/null", "r+e"); + runtest("/dev/null", "we"); + runtest("/dev/null", "w+e"); + runtest("/dev/null", "ae"); + runtest("/dev/null", "a+e"); + runtest("/dev/null", "re+"); + runtest("/dev/null", "we+"); + runtest("/dev/null", "ae+"); + + return 0; +} + +/* vim:ts=8:cin:sw=8 + * */ diff --git a/tools/regression/lib/libc/stdio/test-fopen.t b/tools/regression/lib/libc/stdio/test-fopen.t new file mode 100644 index 0000000..8bdfd03 --- /dev/null +++ b/tools/regression/lib/libc/stdio/test-fopen.t @@ -0,0 +1,10 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` + +executable=`basename $0 .t` + +make $executable 2>&1 > /dev/null + +exec ./$executable |
