git: f862c31a4159 - stable/13 - ln: Use stdbool, style nits.
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Date: Thu, 04 Apr 2024 11:39:04 UTC
The branch stable/13 has been updated by des:
URL: https://cgit.FreeBSD.org/src/commit/?id=f862c31a41599206b4bda19a10fc5d5b6256e715
commit f862c31a41599206b4bda19a10fc5d5b6256e715
Author: Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2024-03-27 10:03:49 +0000
Commit: Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2024-04-04 09:51:05 +0000
ln: Use stdbool, style nits.
MFC after: 1 week
Sponsored by: Klara, Inc.
Reviewed by: imp, allanjude
Differential Revision: https://reviews.freebsd.org/D44511
(cherry picked from commit 437d53daf71a357aae960881ef037564736f7441)
ln: Clean up and simplify tests.
MFC after: 1 week
Sponsored by: Klara, Inc.
Reviewed by: allanjude
Differential Revision: https://reviews.freebsd.org/D44512
(cherry picked from commit e0afcbc85690b6464706ead57103baa0493fdfb2)
ln: Add a test case for ln -sfF.
MFC after: 1 week
Sponsored by: Klara, Inc.
Reviewed by: allanjude, asomers
Differential Revision: https://reviews.freebsd.org/D44513
(cherry picked from commit 2ae8d34666a6dea4c1c77a1905c7b8cebd6a21f9)
---
bin/ln/ln.c | 76 ++++++++++++++++++++++---------------------
bin/ln/tests/ln_test.sh | 85 +++++++++++++++++++++----------------------------
2 files changed, 76 insertions(+), 85 deletions(-)
diff --git a/bin/ln/ln.c b/bin/ln/ln.c
index 546bfba1c7c3..a0e19d702dea 100644
--- a/bin/ln/ln.c
+++ b/bin/ln/ln.c
@@ -49,24 +49,25 @@ static char sccsid[] = "@(#)ln.c 8.2 (Berkeley) 3/31/94";
#include <fcntl.h>
#include <libgen.h>
#include <limits.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-static int fflag; /* Unlink existing files. */
-static int Fflag; /* Remove empty directories also. */
-static int hflag; /* Check new name for symlink first. */
-static int iflag; /* Interactive mode. */
-static int Pflag; /* Create hard links to symlinks. */
-static int sflag; /* Symbolic, not hard, link. */
-static int vflag; /* Verbose output. */
-static int wflag; /* Warn if symlink target does not
+static bool fflag; /* Unlink existing files. */
+static bool Fflag; /* Remove empty directories also. */
+static bool hflag; /* Check new name for symlink first. */
+static bool iflag; /* Interactive mode. */
+static bool Pflag; /* Create hard links to symlinks. */
+static bool sflag; /* Symbolic, not hard, link. */
+static bool vflag; /* Verbose output. */
+static bool wflag; /* Warn if symlink target does not
* exist, and -f is not enabled. */
static char linkch;
-static int linkit(const char *, const char *, int);
-static void usage(void);
+static int linkit(const char *, const char *, bool);
+static void usage(void) __dead2;
int
main(int argc, char *argv[])
@@ -91,41 +92,41 @@ main(int argc, char *argv[])
argv += optind;
if (argc != 2)
usage();
- exit(linkit(argv[0], argv[1], 0));
+ exit(linkit(argv[0], argv[1], false));
}
while ((ch = getopt(argc, argv, "FLPfhinsvw")) != -1)
switch (ch) {
case 'F':
- Fflag = 1;
+ Fflag = true;
break;
case 'L':
- Pflag = 0;
+ Pflag = false;
break;
case 'P':
- Pflag = 1;
+ Pflag = true;
break;
case 'f':
- fflag = 1;
- iflag = 0;
- wflag = 0;
+ fflag = true;
+ iflag = false;
+ wflag = false;
break;
case 'h':
case 'n':
- hflag = 1;
+ hflag = true;
break;
case 'i':
- iflag = 1;
- fflag = 0;
+ iflag = true;
+ fflag = false;
break;
case 's':
- sflag = 1;
+ sflag = true;
break;
case 'v':
- vflag = 1;
+ vflag = true;
break;
case 'w':
- wflag = 1;
+ wflag = true;
break;
case '?':
default:
@@ -136,21 +137,21 @@ main(int argc, char *argv[])
argc -= optind;
linkch = sflag ? '-' : '=';
- if (sflag == 0)
- Fflag = 0;
- if (Fflag == 1 && iflag == 0) {
- fflag = 1;
- wflag = 0; /* Implied when fflag != 0 */
+ if (!sflag)
+ Fflag = false;
+ if (Fflag && !iflag) {
+ fflag = true;
+ wflag = false; /* Implied when fflag is true */
}
- switch(argc) {
+ switch (argc) {
case 0:
usage();
/* NOTREACHED */
case 1: /* ln source */
- exit(linkit(argv[0], ".", 1));
+ exit(linkit(argv[0], ".", true));
case 2: /* ln source target */
- exit(linkit(argv[0], argv[1], 0));
+ exit(linkit(argv[0], argv[1], false));
default:
;
}
@@ -169,7 +170,7 @@ main(int argc, char *argv[])
if (!S_ISDIR(sb.st_mode))
usage();
for (exitval = 0; *argv != targetdir; ++argv)
- exitval |= linkit(*argv, targetdir, 1);
+ exitval |= linkit(*argv, targetdir, true);
exit(exitval);
}
@@ -220,14 +221,15 @@ samedirent(const char *path1, const char *path2)
}
static int
-linkit(const char *source, const char *target, int isdir)
+linkit(const char *source, const char *target, bool isdir)
{
- struct stat sb;
- const char *p;
- int ch, exists, first;
char path[PATH_MAX];
char wbuf[PATH_MAX];
char bbuf[PATH_MAX];
+ struct stat sb;
+ const char *p;
+ int ch, first;
+ bool exists;
if (!sflag) {
/* If source doesn't exist, quit now. */
@@ -290,7 +292,7 @@ linkit(const char *source, const char *target, int isdir)
/*
* If the file exists, first check it is not the same directory entry.
*/
- exists = !lstat(target, &sb);
+ exists = lstat(target, &sb) == 0;
if (exists) {
if (!sflag && samedirent(source, target)) {
warnx("%s and %s are the same directory entry",
diff --git a/bin/ln/tests/ln_test.sh b/bin/ln/tests/ln_test.sh
index 75fda4ce2dd7..8e5dcf81e61f 100644
--- a/bin/ln/tests/ln_test.sh
+++ b/bin/ln/tests/ln_test.sh
@@ -1,4 +1,6 @@
#
+# SPDX-License-Identifier: BSD-2-Clause
+#
# Copyright 2017 Shivansh Rai
# All rights reserved.
#
@@ -23,13 +25,15 @@
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
-#
-set_umask()
+atf_check_same_file()
{
- if ! umask 022; then
- atf_fail "setting umask failed"
- fi
+ atf_check_equal "$(stat -f %d,%i "$1")" "$(stat -f %d,%i "$2")"
+}
+
+atf_check_symlink_to()
+{
+ atf_check -o inline:"$1\n" readlink "$2"
}
atf_test_case L_flag
@@ -39,18 +43,13 @@ L_flag_head()
"symbolic link, '-L' option creates a hard" \
"link to the target of the symbolic link"
}
-
L_flag_body()
{
- set_umask
atf_check touch A
atf_check ln -s A B
atf_check ln -L B C
- stat_A=$(stat -f %i A)
- stat_C=$(stat -f %i C)
- atf_check_equal "$stat_A" "$stat_C"
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT B
- atf_check -o inline:'A\n' readlink B
+ atf_check_same_file A C
+ atf_check_symlink_to A B
}
atf_test_case P_flag
@@ -60,16 +59,12 @@ P_flag_head()
"symbolic link, '-P' option creates a hard " \
"link to the symbolic link itself"
}
-
P_flag_body()
{
- set_umask
atf_check touch A
atf_check ln -s A B
atf_check ln -P B C
- stat_B=$(stat -f %i B)
- stat_C=$(stat -f %i C)
- atf_check_equal "$stat_B" "$stat_C"
+ atf_check_same_file B C
}
atf_test_case f_flag
@@ -78,15 +73,11 @@ f_flag_head()
atf_set "descr" "Verify that if the target file already exists, " \
"'-f' option unlinks it so that link may occur"
}
-
f_flag_body()
{
- set_umask
atf_check touch A B
atf_check ln -f A B
- stat_A=$(stat -f %i A)
- stat_B=$(stat -f %i B)
- atf_check_equal "$stat_A" "$stat_B"
+ atf_check_same_file A B
}
atf_test_case target_exists_hard
@@ -95,10 +86,8 @@ target_exists_hard_head()
atf_set "descr" "Verify whether creating a hard link fails if the " \
"target file already exists"
}
-
target_exists_hard_body()
{
- set_umask
atf_check touch A B
atf_check -s exit:1 -e inline:'ln: B: File exists\n' \
ln A B
@@ -110,10 +99,8 @@ target_exists_symbolic_head()
atf_set "descr" "Verify whether creating a symbolic link fails if " \
"the target file already exists"
}
-
target_exists_symbolic_body()
{
- set_umask
atf_check touch A B
atf_check -s exit:1 -e inline:'ln: B: File exists\n' \
ln -s A B
@@ -124,13 +111,12 @@ shf_flag_dir_head() {
atf_set "descr" "Verify that if the target directory is a symbolic " \
"link, '-shf' option prevents following the link"
}
-
shf_flag_dir_body()
{
atf_check mkdir -m 0777 A B
atf_check ln -s A C
atf_check ln -shf B C
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT C
+ atf_check test -L C
atf_check -o inline:'B\n' readlink C
}
@@ -139,14 +125,12 @@ snf_flag_dir_head() {
atf_set "descr" "Verify that if the target directory is a symbolic " \
"link, '-snf' option prevents following the link"
}
-
snf_flag_dir_body()
{
atf_check mkdir -m 0777 A B
atf_check ln -s A C
atf_check ln -snf B C
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT C
- atf_check -o inline:'B\n' readlink C
+ atf_check_symlink_to B C
}
atf_test_case sF_flag
@@ -156,13 +140,11 @@ sF_flag_head()
"and is a directory, then '-sF' option removes " \
"it so that the link may occur"
}
-
sF_flag_body()
{
atf_check mkdir A B
atf_check ln -sF A B
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT B
- atf_check -o inline:'A\n' readlink B
+ atf_check_symlink_to A B
}
atf_test_case sf_flag
@@ -172,14 +154,27 @@ sf_flag_head()
"'-sf' option unlinks it and creates a symbolic link " \
"to the source file"
}
-
sf_flag_body()
{
- set_umask
atf_check touch A B
atf_check ln -sf A B
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT B
- atf_check -o inline:'A\n' readlink B
+ atf_check_symlink_to A B
+}
+
+atf_test_case sfF_flag
+sfF_flag_head()
+{
+ atf_set "descr" "Verify that if the target file already exists " \
+ "and is a symlink, then '-sfF' option removes " \
+ "it so that the link may occur"
+}
+sfF_flag_body()
+{
+ atf_check mkdir A B C
+ atf_check ln -sF A C
+ atf_check_symlink_to A C
+ atf_check ln -sfF B C
+ atf_check_symlink_to B C
}
atf_test_case s_flag
@@ -187,14 +182,11 @@ s_flag_head()
{
atf_set "descr" "Verify that '-s' option creates a symbolic link"
}
-
s_flag_body()
{
- set_umask
atf_check touch A
atf_check ln -s A B
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT B
- atf_check -o inline:'A\n' readlink B
+ atf_check_symlink_to A B
}
atf_test_case s_flag_broken
@@ -203,12 +195,10 @@ s_flag_broken_head()
atf_set "descr" "Verify that if the source file does not exists, '-s' " \
"option creates a broken symbolic link to the source file"
}
-
s_flag_broken_body()
{
atf_check ln -s A B
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT B
- atf_check -o inline:'A\n' readlink B
+ atf_check_symlink_to A B
}
atf_test_case sw_flag
@@ -217,13 +207,11 @@ sw_flag_head()
atf_set "descr" "Verify that '-sw' option produces a warning if the " \
"source of a symbolic link does not currently exist"
}
-
sw_flag_body()
{
atf_check -s exit:0 -e inline:'ln: warning: A: No such file or directory\n' \
ln -sw A B
- atf_check -o inline:'Symbolic Link\n' stat -f %SHT B
- atf_check -o inline:'A\n' readlink B
+ atf_check_symlink_to A B
}
atf_init_test_cases()
@@ -237,6 +225,7 @@ atf_init_test_cases()
atf_add_test_case snf_flag_dir
atf_add_test_case sF_flag
atf_add_test_case sf_flag
+ atf_add_test_case sfF_flag
atf_add_test_case s_flag
atf_add_test_case s_flag_broken
atf_add_test_case sw_flag