X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Futil.c;h=85a8e37d4b559aca10af667fbd6f101c577e99b4;hp=5c1e16ab6ed49efb9c05980ea489955c04b7a608;hb=1b91d3e8f402829f336daa5f768e768aede373da;hpb=21de3988abfdf69e7c1e2d00a087e2d8b18ad758

diff --git a/src/util.c b/src/util.c
index 5c1e16ab6..85a8e37d4 100644
--- a/src/util.c
+++ b/src/util.c
@@ -652,6 +652,51 @@ char **strv_path_make_absolute_cwd(char **l) {
         return l;
 }
 
+char **strv_path_canonicalize(char **l) {
+        char **s;
+        unsigned k = 0;
+        bool enomem = false;
+
+        if (strv_isempty(l))
+                return l;
+
+        /* Goes through every item in the string list and canonicalize
+         * the path. This works in place and won't rollback any
+         * changes on failure. */
+
+        STRV_FOREACH(s, l) {
+                char *t, *u;
+
+                t = path_make_absolute_cwd(*s);
+                free(*s);
+
+                if (!t) {
+                        enomem = true;
+                        continue;
+                }
+
+                errno = 0;
+                u = canonicalize_file_name(t);
+                free(t);
+
+                if (!u) {
+                        if (errno == ENOMEM || !errno)
+                                enomem = true;
+
+                        continue;
+                }
+
+                l[k++] = u;
+        }
+
+        l[k] = NULL;
+
+        if (enomem)
+                return NULL;
+
+        return l;
+}
+
 int reset_all_signal_handlers(void) {
         int sig;
 
@@ -1735,14 +1780,59 @@ int release_terminal(void) {
         return r;
 }
 
-int ignore_signal(int sig) {
+int sigaction_many(const struct sigaction *sa, ...) {
+        va_list ap;
+        int r = 0, sig;
+
+        va_start(ap, sa);
+        while ((sig = va_arg(ap, int)) > 0)
+                if (sigaction(sig, sa, NULL) < 0)
+                        r = -errno;
+        va_end(ap);
+
+        return r;
+}
+
+int ignore_signals(int sig, ...) {
         struct sigaction sa;
+        va_list ap;
+        int r = 0;
 
         zero(sa);
         sa.sa_handler = SIG_IGN;
         sa.sa_flags = SA_RESTART;
 
-        return sigaction(sig, &sa, NULL);
+        if (sigaction(sig, &sa, NULL) < 0)
+                r = -errno;
+
+        va_start(ap, sig);
+        while ((sig = va_arg(ap, int)) > 0)
+                if (sigaction(sig, &sa, NULL) < 0)
+                        r = -errno;
+        va_end(ap);
+
+        return r;
+}
+
+int default_signals(int sig, ...) {
+        struct sigaction sa;
+        va_list ap;
+        int r = 0;
+
+        zero(sa);
+        sa.sa_handler = SIG_DFL;
+        sa.sa_flags = SA_RESTART;
+
+        if (sigaction(sig, &sa, NULL) < 0)
+                r = -errno;
+
+        va_start(ap, sig);
+        while ((sig = va_arg(ap, int)) > 0)
+                if (sigaction(sig, &sa, NULL) < 0)
+                        r = -errno;
+        va_end(ap);
+
+        return r;
 }
 
 int close_pipe(int p[]) {