sd-event: allow disabling event sources when an event object is dying anyway

[elogind.git] / src / sysctl / sysctl.c

diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c
index 57112a7ef9eaf23c33f402f20948cb897f54f15e..06defa5b7cdf69c567a360f16fd0fbe4ccddf44d 100644 (file)
--- a/src/sysctl/sysctl.c
+++ b/src/sysctl/sysctl.c
@@ -48,12 +48,26 @@ static const char conf_file_dirs[] =
 #endif
         ;
 
-static char *normalize_sysctl(char *s) {
+static char* normalize_sysctl(char *s) {
         char *n;
 
-        for (n = s; *n; n++)
+        n = strpbrk(s, "/.");
+        /* If the first separator is a slash, the path is
+         * assumed to be normalized and slashes remain slashes
+         * and dots remains dots. */
+        if (!n || *n == '/')
+                return s;
+
+        /* Otherwise, dots become slashes and slashes become
+         * dots. Fun. */
+        while (n) {
                 if (*n == '.')
                         *n = '/';
+                else
+                        *n = '.';
+
+                n = strpbrk(n + 1, "/.");
+        }
 
         return s;
 }
@@ -65,7 +79,7 @@ static int apply_sysctl(const char *property, const char *value) {
 
         log_debug("Setting '%s' to '%s'", property, value);
 
-        p = new(char, sizeof("/proc/sys/") + strlen(property));
+        p = new(char, strlen("/proc/sys/") + strlen(property) + 1);
         if (!p)
                 return log_oom();
 
@@ -123,7 +137,7 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno
 
         assert(path);
 
-        r = search_and_fopen_nulstr(path, "re", conf_file_dirs, &f);
+        r = search_and_fopen_nulstr(path, "re", NULL, conf_file_dirs, &f);
         if (r < 0) {
                 if (ignore_enoent && r == -ENOENT)
                         return 0;
@@ -245,7 +259,6 @@ static int parse_argv(int argc, char *argv[]) {
 
                 case ARG_PREFIX: {
                         char *p;
-                        char **l;
 
                         for (p = optarg; *p; p++)
                                 if (*p == '.')