From 8ebcc1fa354fac87771caa88ee67600412bbcb57 Mon Sep 17 00:00:00 2001
From: Andrew Opalach <andrew@akon.city>
Date: Tue, 25 Aug 2026 19:39:56 -0400
Subject: Global temp path, android build fixes

Signed-off-by: Andrew Opalach <andrew@akon.city>
---
 src/common.c      | 40 ++++++++++++++++++++++++++++++++++++----
 src/common.h      |  5 ++++-
 src/curl/curl.c   |  2 +-
 src/util/buffer.c |  1 +
 4 files changed, 42 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/common.c b/src/common.c
index d0bd863..4358945 100644
--- a/src/common.c
+++ b/src/common.c
@@ -7,13 +7,23 @@
 #else
 #include <unistd.h>
 #endif
+#ifdef NAUNET_ON_ANDROID
+#include <android/log.h>
+#endif
 
 #include "util/timer/timer.h"
 #include "util/thread/thread.h"
 
 #include "common.h"
 
-#ifndef NAUNET_ON_WINDOWS
+#ifdef NAUNET_ON_WINDOWS
+static char temp_directory[MAX_PATH + 1];
+#else
+static char temp_directory[PATH_MAX];
+#endif
+str nn_temp_directory;
+
+#if !defined NAUNET_ON_WINDOWS && !defined NAUNET_ON_ANDROID
 #define RESET "\033[0m"
 static inline const char *get_color_for_level(u8 level)
 {
@@ -37,11 +47,15 @@ s32 al_print_default(void *userdata, u8 level, char *message)
 {
     (void)userdata;
     s32 ret = 0;
-#ifdef NAUNET_ON_WINDOWS
+#if defined NAUNET_ON_ANDROID
+    (void)level;
+    __android_log_print(ANDROID_LOG_DEBUG, APPLICATION_NAME, "%*.*s", 0, AL_LOG_MESSAGE_SIZE, message);
+    ret = al_strnlen(message, AL_LOG_MESSAGE_SIZE);
+#elif defined NAUNET_ON_WINDOWS
     (void)level;
-    ret = al_printf("%*.*s\n", 0, AL_LOG_MESSAGE_SIZE, message);
+    ret = al_printf("%*.*s\n", 0, AL_LOG_MESSAGE_LENGTH, message);
 #else
-    ret = al_printf("%s%*.*s%s\n", get_color_for_level(level), 0, AL_LOG_MESSAGE_SIZE, message, RESET);
+    ret = al_printf("%s%*.*s%s\n", get_color_for_level(level), 0, AL_LOG_MESSAGE_LENGTH, message, RESET);
 #endif
     return ret;
 }
@@ -90,6 +104,17 @@ bool nn_common_init(const char *thread_name)
 
     al_random_init((u32)(nn_get_timestamp() / 1000000));
 
+#if defined NAUNET_ON_WINDOWS
+    DWORD length = GetTempPathA(sizeof(temp_directory), temp_directory);
+    nn_temp_directory = al_str_w(temp_directory, 0, length);
+#elif defined NAUNET_ON_ANDROID
+    // Default to empty.
+#else
+    const char unix_tmpdir[] = { "/tmp" };
+    al_memcpy(temp_directory, unix_tmpdir, sizeof(unix_tmpdir));
+    nn_temp_directory = al_str_w(temp_directory, 0, sizeof(unix_tmpdir) - 1);
+#endif
+
 #ifdef NAUNET_ON_WINDOWS
     if (!nn_windows_init()) return false;
 #endif
@@ -97,6 +122,13 @@ bool nn_common_init(const char *thread_name)
     return true;
 }
 
+void nn_common_set_temp_directory(str *dir)
+{
+    al_assert(dir->length < sizeof(temp_directory));
+    al_memcpy(temp_directory, dir->data, dir->length);
+    nn_temp_directory = al_str_w(temp_directory, 0, dir->length);
+}
+
 void nn_common_close(void)
 {
 #ifdef NAUNET_ON_WINDOWS
diff --git a/src/common.h b/src/common.h
index 30a8464..d22264b 100644
--- a/src/common.h
+++ b/src/common.h
@@ -1,6 +1,9 @@
 #pragma once
 
-#include <al/types.h>
+#include <al/str.h>
+
+extern str nn_temp_directory;
 
 bool nn_common_init(const char *thread_name);
+void nn_common_set_temp_directory(str *dir);
 void nn_common_close(void);
diff --git a/src/curl/curl.c b/src/curl/curl.c
index d18035c..10d3ed8 100644
--- a/src/curl/curl.c
+++ b/src/curl/curl.c
@@ -65,7 +65,7 @@ static void timeout_callback(struct ev_loop *loop, ev_timer *w, s32 revents)
     curl->handle_events(curl->userdata, curl);
 }
 
-static s32 timer_callback(CURLM *multi, s64 timeout_ms, void *userp)
+static s32 timer_callback(CURLM *multi, long timeout_ms, void *userp)
 {
     (void)multi;
     struct nn_curl *curl = (struct nn_curl *)userp;
diff --git a/src/util/buffer.c b/src/util/buffer.c
index ab7adac..9d8c9cf 100644
--- a/src/util/buffer.c
+++ b/src/util/buffer.c
@@ -36,6 +36,7 @@ void nn_buffer_write(struct nn_buffer *buffer, void *data, size_t index, size_t
         nn_buffer_ensure_space(buffer, reach);
         buffer->size = reach;
     }
+    al_assert(data && size > 0);
     al_memcpy(&buffer->data[index], data, size);
 }
 
-- 
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