X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=d86df17591af379453b31af2b36890842b8c49e3;hb=cd9556cc84523e2d515a8be2648e2a50fb6b2144;hp=43948ccbd8970c5076d2f00659d26f2d449fa4ce;hpb=3d9a412243035beeaaf3465a62065444a5adf21c;p=elogind.git

diff --git a/src/shared/util.c b/src/shared/util.c
index 43948ccbd..d86df1759 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -4287,6 +4287,15 @@ bool tty_is_vc(const char *tty) {
         return vtnr_from_tty(tty) >= 0;
 }
 
+bool tty_is_console(const char *tty) {
+        assert(tty);
+
+        if (startswith(tty, "/dev/"))
+                tty += 5;
+
+        return streq(tty, "console");
+}
+
 int vtnr_from_tty(const char *tty) {
         int i, r;
 
@@ -4343,7 +4352,7 @@ bool tty_is_vc_resolve(const char *tty) {
 const char *default_term_for_tty(const char *tty) {
         assert(tty);
 
-        return tty_is_vc_resolve(tty) ? "TERM=linux" : "TERM=vt100";
+        return tty_is_vc_resolve(tty) ? "TERM=linux" : "TERM=vt102";
 }
 
 bool dirent_is_file(const struct dirent *de) {
@@ -4868,7 +4877,7 @@ static int files_add(Hashmap *h, const char *path, const char *suffix) {
 
         for (;;) {
                 int k;
-                char *p, *f;
+                char *p;
 
                 k = readdir_r(dir, &buffer, &de);
                 if (k != 0) {
@@ -4887,17 +4896,10 @@ static int files_add(Hashmap *h, const char *path, const char *suffix) {
                         goto finish;
                 }
 
-                f = canonicalize_file_name(p);
-                if (!f) {
-                        log_error("Failed to canonicalize file name '%s': %m", p);
+                if (hashmap_put(h, file_name_from_path(p), p) <= 0) {
+                        log_debug("Skip overridden file: %s.", p);
                         free(p);
-                        continue;
                 }
-                free(p);
-
-                log_debug("found: %s\n", f);
-                if (hashmap_put(h, file_name_from_path(f), f) <= 0)
-                        free(f);
         }
 
 finish:
@@ -4992,7 +4994,6 @@ int hwclock_is_localtime(void) {
                 if (!b)
                         return -EIO;
 
-
                 truncate_nl(line);
                 local = streq(line, "LOCAL");
 
@@ -5127,7 +5128,7 @@ int hwclock_get_time(struct tm *tm) {
         if (ioctl(fd, RTC_RD_TIME, tm) < 0)
                 err = -errno;
 
-        /* We don't now daylight saving, so we reset this in order not
+        /* We don't know daylight saving, so we reset this in order not
          * to confused mktime(). */
         tm->tm_isdst = -1;
 
@@ -6159,3 +6160,65 @@ int path_is_read_only_fs(const char *path) {
 
         return !!(st.f_flag & ST_RDONLY);
 }
+
+int getenv_for_pid(pid_t pid, const char *field, char **_value) {
+        char path[sizeof("/proc/")-1+10+sizeof("/environ")], *value = NULL;
+        int r;
+        FILE *f;
+        bool done = false;
+        size_t l;
+
+        assert(field);
+        assert(_value);
+
+        if (pid == 0)
+                pid = getpid();
+
+        snprintf(path, sizeof(path), "/proc/%lu/environ", (unsigned long) pid);
+        char_array_0(path);
+
+        f = fopen(path, "re");
+        if (!f)
+                return -errno;
+
+        l = strlen(field);
+        r = 0;
+
+        do {
+                char line[LINE_MAX];
+                unsigned i;
+
+                for (i = 0; i < sizeof(line)-1; i++) {
+                        int c;
+
+                        c = getc(f);
+                        if (_unlikely_(c == EOF)) {
+                                done = true;
+                                break;
+                        } else if (c == 0)
+                                break;
+
+                        line[i] = c;
+                }
+                line[i] = 0;
+
+                if (memcmp(line, field, l) == 0 && line[l] == '=') {
+                        value = strdup(line + l + 1);
+                        if (!value) {
+                                r = -ENOMEM;
+                                break;
+                        }
+
+                        r = 1;
+                        break;
+                }
+
+        } while (!done);
+
+        fclose(f);
+
+        if (r >= 0)
+                *_value = value;
+
+        return r;
+}