1 files changed, 30 insertions, 0 deletions

diff --git a/sway/log.c b/sway/log.c
index 2d633abb..e8c1b78f 100644
--- a/sway/log.c
+++ b/sway/log.c
@@ -5,6 +5,8 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <signal.h>
+#include <errno.h>
+#include <string.h>
 
 int colored = 1;
 int v = 0;
@@ -66,6 +68,34 @@ void sway_log(int verbosity, const char* format, ...) {
         }
 }
 
+void sway_log_errno(int verbosity, char* format, ...) {
+        if (verbosity <= v) {
+                int c = verbosity;
+                if (c > sizeof(verbosity_colors) / sizeof(char *)) {
+                        c = sizeof(verbosity_colors) / sizeof(char *) - 1;
+                }
+
+                if (colored) {
+                        fprintf(stderr, verbosity_colors[c]);
+                }
+
+                va_list args;
+                va_start(args, format);
+                vfprintf(stderr, format, args);
+                va_end(args);
+
+                fprintf(stderr, ": ");
+                char error[256];
+                strerror_r(errno, error, sizeof(error));
+                fprintf(stderr, error);
+
+                if (colored) {
+                        fprintf(stderr, "\x1B[0m");
+                }
+                fprintf(stderr, "\n");
+        }
+}
+
 bool sway_assert(bool condition, const char* format, ...) {
         if (condition) {
                 return true;