X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Fpager.c;h=f12bfb3287f0cdca2a762b41d22ceb0a18444037;hb=5e123f9fef3cf665a2b81a8200e34e6de1a54454;hp=54790947ba7d82eb678e73b1d99fd888bbe6094b;hpb=78002a678106a9a4e0e9d747f54458ba84322f1a;p=elogind.git
diff --git a/src/shared/pager.c b/src/shared/pager.c
index 54790947b..f12bfb328 100644
--- a/src/shared/pager.c
+++ b/src/shared/pager.c
@@ -19,7 +19,6 @@
along with systemd; If not, see .
***/
-#include
#include
#include
#include
@@ -40,7 +39,7 @@ noreturn static void pager_fallback(void) {
} while (n > 0);
if (n < 0) {
- log_error("Internal pager failed: %m");
+ log_error_errno(errno, "Internal pager failed: %m");
_exit(EXIT_FAILURE);
}
@@ -67,17 +66,15 @@ int pager_open(bool jump_to_end) {
* pager so that we get the value from the actual tty */
columns();
- if (pipe(fd) < 0) {
- log_error("Failed to create pager pipe: %m");
- return -errno;
- }
+ if (pipe(fd) < 0)
+ return log_error_errno(errno, "Failed to create pager pipe: %m");
parent_pid = getpid();
pager_pid = fork();
if (pager_pid < 0) {
r = -errno;
- log_error("Failed to fork pager: %m");
+ log_error_errno(errno, "Failed to fork pager: %m");
safe_close_pair(fd);
return r;
}
@@ -93,7 +90,7 @@ int pager_open(bool jump_to_end) {
if (!less_opts)
less_opts = "FRSXMK";
if (jump_to_end)
- less_opts = strappenda(less_opts, " +G");
+ less_opts = strjoina(less_opts, " +G");
setenv("LESS", less_opts, 1);
/* Make sure the pager goes away when the parent dies */
@@ -126,10 +123,8 @@ int pager_open(bool jump_to_end) {
}
/* Return in the parent */
- if (dup2(fd[1], STDOUT_FILENO) < 0) {
- log_error("Failed to duplicate pager pipe: %m");
- return -errno;
- }
+ if (dup2(fd[1], STDOUT_FILENO) < 0)
+ return log_error_errno(errno, "Failed to duplicate pager pipe: %m");
safe_close_pair(fd);
return 1;
@@ -143,7 +138,7 @@ void pager_close(void) {
/* Inform pager that we are done */
fclose(stdout);
kill(pager_pid, SIGCONT);
- wait_for_terminate(pager_pid, NULL);
+ (void) wait_for_terminate(pager_pid, NULL);
pager_pid = 0;
}
@@ -176,23 +171,21 @@ int show_man_page(const char *desc, bool null_stdio) {
args[1] = desc;
pid = fork();
- if (pid < 0) {
- log_error("Failed to fork: %m");
- return -errno;
- }
+ if (pid < 0)
+ return log_error_errno(errno, "Failed to fork: %m");
if (pid == 0) {
/* Child */
if (null_stdio) {
r = make_null_stdio();
if (r < 0) {
- log_error("Failed to kill stdio: %s", strerror(-r));
+ log_error_errno(r, "Failed to kill stdio: %m");
_exit(EXIT_FAILURE);
}
}
execvp(args[0], (char**) args);
- log_error("Failed to execute man: %m");
+ log_error_errno(errno, "Failed to execute man: %m");
_exit(EXIT_FAILURE);
}