X-Git-Url: https://git.octo.it/?p=collectd.git;a=blobdiff_plain;f=src%2Femail.c;h=82fdb9f104cf4e354e70705dec1579dea13c15e5;hp=e5f015b2539b6d91e25d4f95e5c9b38bc2ef97cf;hb=7b8851b26928b609ce850e78c1eabb50ff319244;hpb=267bbc64779f9c7b32e063aac0df22be61bda6ae

diff --git a/src/email.c b/src/email.c
index e5f015b2..82fdb9f1 100644
--- a/src/email.c
+++ b/src/email.c
@@ -276,7 +276,7 @@ static void *collect(void *arg) {
 
       len = strlen(line);
       if ((line[len - 1] != '\n') && (line[len - 1] != '\r')) {
-        log_warn("collect: line too long (> %zu characters): "
+        log_warn("collect: line too long (> %" PRIsz " characters): "
                  "'%s' (truncated)",
                  sizeof(line) - 1, line);
 
@@ -373,14 +373,13 @@ static void *open_connection(void __attribute__((unused)) * arg) {
     pthread_exit((void *)1);
   }
 
-  struct sockaddr_un addr = {
-    .sun_family = AF_UNIX
-  };
+  struct sockaddr_un addr = {.sun_family = AF_UNIX};
   sstrncpy(addr.sun_path, path, (size_t)(UNIX_PATH_MAX - 1));
 
   errno = 0;
   if (bind(connector_socket, (struct sockaddr *)&addr,
-           offsetof(struct sockaddr_un, sun_path) + strlen(addr.sun_path)) == -1) {
+           offsetof(struct sockaddr_un, sun_path) + strlen(addr.sun_path)) ==
+      -1) {
     char errbuf[1024];
     disabled = 1;
     close(connector_socket);
@@ -402,9 +401,15 @@ static void *open_connection(void __attribute__((unused)) * arg) {
   {
     struct group sg;
     struct group *grp;
-    char grbuf[4096];
     int status;
 
+    long int grbuf_size = sysconf(_SC_GETGR_R_SIZE_MAX);
+    if (grbuf_size <= 0)
+      grbuf_size = sysconf(_SC_PAGESIZE);
+    if (grbuf_size <= 0)
+      grbuf_size = 4096;
+    char grbuf[grbuf_size];
+
     grp = NULL;
     status = getgrnam_r(group, &sg, grbuf, sizeof(grbuf), &grp);
     if (status != 0) {