assert(fn);
assert(line);
- if (!(f = fopen(fn, "re")))
+ f = fopen(fn, "re");
+ if (!f)
return -errno;
- if (!(fgets(t, sizeof(t), f))) {
- r = feof(f) ? -EIO : -errno;
- goto finish;
+ if (!fgets(t, sizeof(t), f)) {
+
+ if (ferror(f)) {
+ r = -errno;
+ goto finish;
+ }
+
+ t[0] = 0;
}
- if (!(c = strdup(t))) {
+ c = strdup(t);
+ if (!c) {
r = -ENOMEM;
goto finish;
}
char ***rl) {
FILE *f;
- char **m = 0;
+ char **m = NULL;
int r;
assert(fname);
void rename_process(const char name[8]) {
assert(name);
- prctl(PR_SET_NAME, name);
+ /* This is a like a poor man's setproctitle(). It changes the
+ * comm field, argv[0], and also the glibc's internally used
+ * name of the process. For the first one a limit of 16 chars
+ * applies, to the second one usually one of 10 (i.e. length
+ * of "/sbin/init"), to the third one one of 7 (i.e. length of
+ * "systemd"). If you pass a longer string it will be
+ * truncated */
- /* This is a like a poor man's setproctitle(). The string
- * passed should fit in 7 chars (i.e. the length of
- * "systemd") */
+ prctl(PR_SET_NAME, name);
if (program_invocation_name)
strncpy(program_invocation_name, name, strlen(program_invocation_name));
log_warning("Failed to read /etc/os-release: %s", strerror(-r));
}
-#if defined(TARGET_FEDORA)
- if (!pretty_name) {
- if ((r = read_one_line_file("/etc/system-release", &pretty_name)) < 0) {
-
- if (r != -ENOENT)
- log_warning("Failed to read /etc/system-release: %s", strerror(-r));
- }
- }
-
- if (!ansi_color && pretty_name) {
-
- /* This tries to mimic the color magic the old Red Hat sysinit
- * script did. */
-
- if (startswith(pretty_name, "Red Hat"))
- const_color = "0;31"; /* Red for RHEL */
- else if (startswith(pretty_name, "Fedora"))
- const_color = "0;34"; /* Blue for Fedora */
- }
-
-#elif defined(TARGET_SUSE)
-
- if (!pretty_name) {
- if ((r = read_one_line_file("/etc/SuSE-release", &pretty_name)) < 0) {
-
- if (r != -ENOENT)
- log_warning("Failed to read /etc/SuSE-release: %s", strerror(-r));
- }
- }
-
- if (!ansi_color)
- const_color = "0;32"; /* Green for openSUSE */
-
-#elif defined(TARGET_GENTOO)
-
- if (!pretty_name) {
- if ((r = read_one_line_file("/etc/gentoo-release", &pretty_name)) < 0) {
-
- if (r != -ENOENT)
- log_warning("Failed to read /etc/gentoo-release: %s", strerror(-r));
- }
- }
-
- if (!ansi_color)
- const_color = "1;34"; /* Light Blue for Gentoo */
-
-#elif defined(TARGET_ALTLINUX)
-
- if (!pretty_name) {
- if ((r = read_one_line_file("/etc/altlinux-release", &pretty_name)) < 0) {
-
- if (r != -ENOENT)
- log_warning("Failed to read /etc/altlinux-release: %s", strerror(-r));
- }
- }
-
- if (!ansi_color)
- const_color = "0;36"; /* Cyan for ALTLinux */
-
-
-#elif defined(TARGET_DEBIAN)
-
- if (!pretty_name) {
- char *version;
-
- if ((r = read_one_line_file("/etc/debian_version", &version)) < 0) {
-
- if (r != -ENOENT)
- log_warning("Failed to read /etc/debian_version: %s", strerror(-r));
- } else {
- pretty_name = strappend("Debian ", version);
- free(version);
-
- if (!pretty_name)
- log_warning("Failed to allocate Debian version string.");
- }
- }
-
- if (!ansi_color)
- const_color = "1;31"; /* Light Red for Debian */
-
-#elif defined(TARGET_UBUNTU)
-
- if ((r = parse_env_file("/etc/lsb-release", NEWLINE,
- "DISTRIB_DESCRIPTION", &pretty_name,
- NULL)) < 0) {
-
- if (r != -ENOENT)
- log_warning("Failed to read /etc/lsb-release: %s", strerror(-r));
- }
-
- if (!ansi_color)
- const_color = "0;33"; /* Orange/Brown for Ubuntu */
-
-#elif defined(TARGET_MANDRIVA)
-
- if (!pretty_name) {
- char *s, *p;
-
- if ((r = read_one_line_file("/etc/mandriva-release", &s) < 0)) {
- if (r != -ENOENT)
- log_warning("Failed to read /etc/mandriva-release: %s", strerror(-r));
- } else {
- p = strstr(s, " release ");
- if (p) {
- *p = '\0';
- p += 9;
- p[strcspn(p, " ")] = '\0';
-
- /* This corresponds to standard rc.sysinit */
- if (asprintf(&pretty_name, "%s\x1B[0;39m %s", s, p) > 0)
- const_color = "1;36";
- else
- log_warning("Failed to allocate Mandriva version string.");
- } else
- log_warning("Failed to parse /etc/mandriva-release");
- free(s);
- }
- }
-#elif defined(TARGET_MEEGO)
-
- if (!pretty_name) {
- if ((r = read_one_line_file("/etc/meego-release", &pretty_name)) < 0) {
-
- if (r != -ENOENT)
- log_warning("Failed to read /etc/meego-release: %s", strerror(-r));
- }
- }
-
- if (!ansi_color)
- const_color = "1;35"; /* Bright Magenta for MeeGo */
-#endif
-
if (!pretty_name && !const_pretty)
const_pretty = "Linux";
}
-void freeze(void) {
+_noreturn_ void freeze(void) {
/* Make sure nobody waits for us on a socket anymore */
close_all_fds(NULL, 0);
}
while (!hashmap_isempty(pids)) {
+ pid_t pid = PTR_TO_UINT(hashmap_first_key(pids));
siginfo_t si;
char *path;
zero(si);
- if (waitid(P_ALL, 0, &si, WEXITED) < 0) {
+ if (waitid(P_PID, pid, &si, WEXITED) < 0) {
if (errno == EINTR)
continue;