1 files changed, 47 insertions, 0 deletions
diff --git a/src/detection/localip/localip.h b/src/detection/localip/localip.h
new file mode 100644
index 0000000..d3b9015
--- /dev/null
+++ b/src/detection/localip/localip.h
@@ -0,0 +1,47 @@
+#pragma once
+
+#include "fastfetch.h"
+#include "modules/localip/option.h"
+
+#ifndef IN6_IS_ADDR_GLOBAL
+    /* Global Unicast: 2000::/3 (001...) */
+    #define IN6_IS_ADDR_GLOBAL(a) (((a)->s6_addr[0] & 0xE0) == 0x20)
+#endif
+#ifndef IN6_IS_ADDR_UNIQUE_LOCAL
+    /* Unique Local: fc00::/7 (1111 110...) */
+    #define IN6_IS_ADDR_UNIQUE_LOCAL(a) (((a)->s6_addr[0] & 0xFE) == 0xFC)
+#endif
+#ifndef IN6_IS_ADDR_LINKLOCAL
+    /* Link-Local: fe80::/10 (1111 1110 10...) */
+    #define IN6_IS_ADDR_LINKLOCAL(a) (((a)->s6_addr[0] == 0xFE) && (((a)->s6_addr[1] & 0xC0) == 0x80))
+#endif
+
+typedef struct FFLocalIpResult {
+    FFstrbuf name;
+    FFstrbuf ipv4;
+    FFstrbuf ipv6;
+    FFstrbuf mac;
+    FFstrbuf flags;
+    int32_t mtu;
+    int32_t speed; // in Mbps
+    FFLocalIpType defaultRoute;
+} FFLocalIpResult;
+
+typedef struct FFLocalIpNIFlag {
+    uint32_t flag;
+    const char* name;
+} FFLocalIpNIFlag;
+
+static inline void ffLocalIpFillNIFlags(FFstrbuf* buf, uint64_t flag, const FFLocalIpNIFlag names[]) {
+    for (const FFLocalIpNIFlag* nf = names; flag && nf->name; ++nf) {
+        if (flag & nf->flag) {
+            if (buf->length > 0) {
+                ffStrbufAppendC(buf, ',');
+            }
+            ffStrbufAppendS(buf, nf->name);
+            flag &= ~nf->flag;
+        }
+    }
+}
+
+const char* ffDetectLocalIps(const FFLocalIpOptions* options, FFlist* results);