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Diffstat (limited to 'src/core')
-rw-r--r--src/core/execute.c54
1 files changed, 22 insertions, 32 deletions
diff --git a/src/core/execute.c b/src/core/execute.c
index 80ad87d4e4..d6217840c0 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -543,9 +543,9 @@ static int chown_terminal(int fd, uid_t uid) {
return 0;
}
-static int setup_confirm_stdio(int *_saved_stdin,
- int *_saved_stdout) {
- int fd = -1, saved_stdin, saved_stdout = -1, r;
+static int setup_confirm_stdio(int *_saved_stdin, int *_saved_stdout) {
+ _cleanup_close_ int fd = -1, saved_stdin = -1, saved_stdout = -1;
+ int r;
assert(_saved_stdin);
assert(_saved_stdout);
@@ -555,10 +555,8 @@ static int setup_confirm_stdio(int *_saved_stdin,
return -errno;
saved_stdout = fcntl(STDOUT_FILENO, F_DUPFD, 3);
- if (saved_stdout < 0) {
- r = errno;
- goto fail;
- }
+ if (saved_stdout < 0)
+ return -errno;
fd = acquire_terminal(
"/dev/console",
@@ -566,39 +564,33 @@ static int setup_confirm_stdio(int *_saved_stdin,
false,
false,
DEFAULT_CONFIRM_USEC);
- if (fd < 0) {
- r = fd;
- goto fail;
- }
+ if (fd < 0)
+ return fd;
r = chown_terminal(fd, getuid());
if (r < 0)
- goto fail;
+ return r;
- if (dup2(fd, STDIN_FILENO) < 0) {
- r = -errno;
- goto fail;
- }
+ r = reset_terminal_fd(fd, true);
+ if (r < 0)
+ return r;
- if (dup2(fd, STDOUT_FILENO) < 0) {
- r = -errno;
- goto fail;
- }
+ if (dup2(fd, STDIN_FILENO) < 0)
+ return -errno;
+
+ if (dup2(fd, STDOUT_FILENO) < 0)
+ return -errno;
if (fd >= 2)
safe_close(fd);
+ fd = -1;
*_saved_stdin = saved_stdin;
*_saved_stdout = saved_stdout;
- return 0;
-
-fail:
- safe_close(saved_stdout);
- safe_close(saved_stdin);
- safe_close(fd);
+ saved_stdin = saved_stdout = -1;
- return r;
+ return 0;
}
_printf_(1, 2) static int write_confirm_message(const char *format, ...) {
@@ -618,9 +610,7 @@ _printf_(1, 2) static int write_confirm_message(const char *format, ...) {
return 0;
}
-static int restore_confirm_stdio(int *saved_stdin,
- int *saved_stdout) {
-
+static int restore_confirm_stdio(int *saved_stdin, int *saved_stdout) {
int r = 0;
assert(saved_stdin);
@@ -636,8 +626,8 @@ static int restore_confirm_stdio(int *saved_stdin,
if (dup2(*saved_stdout, STDOUT_FILENO) < 0)
r = -errno;
- safe_close(*saved_stdin);
- safe_close(*saved_stdout);
+ *saved_stdin = safe_close(*saved_stdin);
+ *saved_stdout = safe_close(*saved_stdout);
return r;
}