1 files changed, 5 insertions, 4 deletions

diff --git a/common/util.c b/common/util.c
index 0caafb39..d66058a6 100644
--- a/common/util.c
+++ b/common/util.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 200809L
 #include <assert.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -13,7 +13,6 @@
 #include <xkbcommon/xkbcommon-names.h>
 #include <wlr/types/wlr_keyboard.h>
 #include "log.h"
-#include "readline.h"
 #include "util.h"
 
 int wrap(int i, int max) {
@@ -24,7 +23,8 @@ int numlen(int n) {
         if (n == 0) {
                 return 1;
         }
-        return log10(n) + 1;
+        // Account for the '-' in negative numbers.
+        return log10(abs(n)) + (n > 0 ? 1 : 2);
 }
 
 static struct modifier_key {
@@ -86,11 +86,12 @@ pid_t get_parent_pid(pid_t child) {
         char *token = NULL;
         const char *sep = " ";
         FILE *stat = NULL;
+        size_t buf_size = 0;
 
         sprintf(file_name, "/proc/%d/stat", child);
 
         if ((stat = fopen(file_name, "r"))) {
-                if ((buffer = read_line(stat))) {
+                if (getline(&buffer, &buf_size, stat) != -1) {
                         token = strtok(buffer, sep); // pid
                         token = strtok(NULL, sep);   // executable name
                         token = strtok(NULL, sep);   // state