X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=i3-dump-log%2Fmain.c;h=86b39338eae682f927bf93236658719bb03899cc;hb=34f6f185bfe9476801e6ef45114197becefb0b21;hp=4a11d218298f7a2c0515f940b9586a55d3f0250c;hpb=2a18e9df39cd4a61c0632ace683bef5c599ec867;p=i3%2Fi3

diff --git a/i3-dump-log/main.c b/i3-dump-log/main.c
index 4a11d218..86b39338 100644
--- a/i3-dump-log/main.c
+++ b/i3-dump-log/main.c
@@ -29,11 +29,11 @@
 #include <i3/ipc.h>
 
 static uint32_t offset_next_write,
-                wrap_count;
+    wrap_count;
 
 static i3_shmlog_header *header;
 static char *logbuffer,
-            *walk;
+    *walk;
 
 static int check_for_wrap(void) {
     if (wrap_count == header->wrap_count)
@@ -42,14 +42,19 @@ static int check_for_wrap(void) {
     /* The log wrapped. Print the remaining content and reset walk to the top
      * of the log. */
     wrap_count = header->wrap_count;
-    write(STDOUT_FILENO, walk, ((logbuffer + header->offset_last_wrap) - walk));
+    const int len = (logbuffer + header->offset_last_wrap) - walk;
+    if (write(STDOUT_FILENO, walk, len) != len)
+        err(EXIT_FAILURE, "write()");
     walk = logbuffer + sizeof(i3_shmlog_header);
     return 1;
 }
 
 static void print_till_end(void) {
     check_for_wrap();
-    int n = write(STDOUT_FILENO, walk, ((logbuffer + header->offset_next_write) - walk));
+    const int len = (logbuffer + header->offset_next_write) - walk;
+    const int n = write(STDOUT_FILENO, walk, len);
+    if (len != n)
+        err(EXIT_FAILURE, "write()");
     if (n > 0) {
         walk += n;
     }
@@ -65,8 +70,7 @@ int main(int argc, char *argv[]) {
         {"verbose", no_argument, 0, 'V'},
         {"follow", no_argument, 0, 'f'},
         {"help", no_argument, 0, 'h'},
-        {0, 0, 0, 0}
-    };
+        {0, 0, 0, 0}};
 
     char *options_string = "s:vfVh";
 
@@ -85,7 +89,7 @@ int main(int argc, char *argv[]) {
         }
     }
 
-    char *shmname = root_atom_contents("I3_SHMLOG_PATH");
+    char *shmname = root_atom_contents("I3_SHMLOG_PATH", NULL, 0);
     if (shmname == NULL) {
         /* Something failed. Let’s invest a little effort to find out what it
          * is. This is hugely helpful for users who want to debug i3 but are
@@ -104,7 +108,7 @@ int main(int argc, char *argv[]) {
             fprintf(stderr, "FYI: The DISPLAY environment variable is set to \"%s\".\n", getenv("DISPLAY"));
             exit(1);
         }
-        if (root_atom_contents("I3_CONFIG_PATH") != NULL) {
+        if (root_atom_contents("I3_CONFIG_PATH", conn, screen) != NULL) {
             fprintf(stderr, "i3-dump-log: ERROR: i3 is running, but SHM logging is not enabled.\n\n");
             if (!is_debug_build()) {
                 fprintf(stderr, "You seem to be using a release version of i3:\n  %s\n\n", I3_VERSION);
@@ -134,7 +138,7 @@ int main(int argc, char *argv[]) {
     if (logbuffer == MAP_FAILED)
         err(EXIT_FAILURE, "Could not mmap SHM segment for the i3 log");
 
-    header = (i3_shmlog_header*)logbuffer;
+    header = (i3_shmlog_header *)logbuffer;
 
     if (verbose)
         printf("next_write = %d, last_wrap = %d, logbuffer_size = %d, shmname = %s\n",