Use lround instead of (long)round

[i3/i3] / libi3 / dpi.c

diff --git a/libi3/dpi.c b/libi3/dpi.c
index d0d1bc6896e89c36067e2d026c1101dcd84d2b6b..d15e35be78effe198e52e569d85bd2c8025a927e 100644 (file)
--- a/libi3/dpi.c
+++ b/libi3/dpi.c
@@ -24,6 +24,7 @@ static long init_dpi_fallback(void) {
  */
 void init_dpi(void) {
     xcb_xrm_database_t *database = NULL;
+    char *resource = NULL;
 
     if (conn == NULL) {
         goto init_dpi_end;
@@ -35,7 +36,6 @@ void init_dpi(void) {
         goto init_dpi_end;
     }
 
-    char *resource;
     xcb_xrm_resource_get_string(database, "Xft.dpi", NULL, &resource);
     if (resource == NULL) {
         DLOG("Resource Xft.dpi not specified, skipping.\n");
@@ -43,16 +43,19 @@ void init_dpi(void) {
     }
 
     char *endptr;
-    dpi = strtol(resource, &endptr, 10);
-    if (dpi == LONG_MAX || dpi == LONG_MIN || dpi < 0 || *endptr != '\0' || endptr == resource) {
+    double in_dpi = strtod(resource, &endptr);
+    if (in_dpi == HUGE_VAL || dpi < 0 || *endptr != '\0' || endptr == resource) {
         ELOG("Xft.dpi = %s is an invalid number and couldn't be parsed.\n", resource);
         dpi = 0;
         goto init_dpi_end;
     }
+    dpi = lround(in_dpi);
 
     DLOG("Found Xft.dpi = %ld.\n", dpi);
 
 init_dpi_end:
+    free(resource);
+
     if (database != NULL) {
         xcb_xrm_database_free(database);
     }