From 324610e9cb735662a199783e3d26d8fef84c431d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20Kala=C5=A1=20=28Floxen=29?=
 <pavelkalas2048@seznam.cz>
Date: Tue, 14 Jul 2026 19:32:34 +0200
Subject: [PATCH] =?UTF-8?q?P=C5=99id=C3=A1ny=20funkce=20pro=20parsov=C3=A1?=
 =?UTF-8?q?n=C3=AD=20integeru=20a=20longu?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 kernel/int.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 kernel/int.c

diff --git a/kernel/int.c b/kernel/int.c
new file mode 100644
index 0000000..0b60177
--- /dev/null
+++ b/kernel/int.c
@@ -0,0 +1,44 @@
+#include "int.h"
+
+unsigned long parse_u32(const char *s, int *ok) {
+    unsigned long value = 0;
+    *ok = 0;
+
+    if (!s || *s == '\0') {
+        return 0;
+    }
+
+    while (*s) {
+        if (*s < '0' || *s > '9') {
+            return 0;
+        }
+
+        value = value * 10UL + (unsigned long)(*s - '0');
+        ++s;
+    }
+
+    *ok = 1;
+    return value;
+}
+
+long parse_i32(const char *s, int *ok) {
+    int sign = 1;
+    unsigned long v;
+
+    if (!s || *s == '\0') {
+        *ok = 0;
+        return 0;
+    }
+
+    if (*s == '-') {
+        sign = -1;
+        ++s;
+    }
+
+    v = parse_u32(s, ok);
+    if (!*ok) {
+        return 0;
+    }
+
+    return (long)v * (long)sign;
+}
\ No newline at end of file