fix: align POSIX stdio and argument handling, clarify Intel iwlwifi licensing

kernel/src/Api/BuildNo.hpp

@@ -12,4 +12,4 @@
 
 #pragma once
 
-#define MONTAUK_BUILD_NUMBER 92
+#define MONTAUK_BUILD_NUMBER 94

kernel/src/Drivers/Net/Wifi/IwxReg.hpp

@@ -5,7 +5,9 @@
     * Register offsets, firmware command IDs and wire-format structures follow
     * Intel's dual BSD/GPLv2-licensed iwlwifi API headers, as consolidated in
     * OpenBSD's if_iwxreg.h (ISC/BSD).  Only the subset used by this driver is
-    * kept.  See 0:/os/licenses/NOTICES.txt for the full attribution.
+    * kept.  MontaukOS relies on the BSD license option; see
+    * montaukos.org/THIRD-PARTY-NOTICES.txt and 0:/os/licenses/NOTICES.txt for
+    * the full attribution and license terms.
     *
     * Copyright (c) 2026 Daniel Hammer
     * Portions Copyright (c) 2017 Intel Deutschland GmbH

kernel/src/Ipc/Ipc.cpp

@@ -714,8 +714,17 @@ namespace Ipc {
         g_handleTableLocks[slot].Acquire();
         uint64_t& bm0 = g_handleBitmaps[slot][0];
         uint64_t& bm1 = g_handleBitmaps[slot][1];
-        // Find first zero bit in bitmap (free slot)
+        // Find first zero bit in bitmap (free slot).
-        uint64_t bits0 = ~bm0;
+        //
+        // Handles 0, 1 and 2 are never allocated: to POSIX code those numbers
+        // ARE stdin/stdout/stderr, and the libc routes read()/write() on them
+        // to the terminal (SYS_GETCHAR/SYS_PUTCHAR) rather than to this table.
+        // Handing them out as file handles makes the two meanings collide --
+        // a program's third open() would own "stderr", and every write(2, ...)
+        // it made would land in that file instead of on screen. Reserving them
+        // here rather than at process setup keeps the rule in one place and
+        // immune to a stale bitmap.
+        uint64_t bits0 = ~bm0 & ~0x7ULL;
         uint64_t bits1 = ~bm1;
         if (bits0) {
             int i = __builtin_ctzll(bits0);

montaukos.org/THIRD-PARTY-NOTICES.txt

@@ -356,7 +356,64 @@ License: Intel redistributable firmware license
 
 
 ================================================================================
-14. Default wallpaper photograph
+14. Intel iwlwifi register definitions
+================================================================================
+The register offsets, firmware command identifiers, and wire-format structures
+in kernel/src/Drivers/Net/Wifi/IwxReg.hpp are an adapted subset of the Intel
+iwlwifi API definitions as consolidated in OpenBSD's if_iwxreg.h. MontaukOS
+relies on the BSD license option of the upstream dual BSD/GPLv2 license.
+
+  Copyright (c) 2017 Intel Deutschland GmbH
+  Copyright (c) 2018-2019 Intel Corporation
+  Copyright (c) 2026 Daniel Hammer
+
+  This file is provided under a dual BSD/GPLv2 license. When using or
+  redistributing the upstream material, you may do so under either license.
+  MontaukOS relies on the BSD license option for the adapted material.
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright notice, this
+    list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+  * Neither the name Intel Corporation nor the names of its contributors may be
+    used to endorse or promote products derived from this software without
+    specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  POSSIBILITY OF SUCH DAMAGE.
+
+
+================================================================================
+15. Intel iwlwifi firmware
+================================================================================
+Shipped as binary firmware payloads in the bootable image:
+
+  programs/data/firmware/intel/iwlwifi-so-a0-gf-a0-89.ucode
+  programs/data/firmware/intel/iwlwifi-so-a0-gf-a0.pnvm
+
+These files are redistributable Intel iwlwifi firmware obtained from the
+linux-firmware project. The files remain Intel property and are not licensed
+under the MontaukOS Software License. The full license text is included on
+the MontaukOS ISO at 0:/os/licenses/Intel-iwlwifi-firmware.txt.
+
+
+================================================================================
+16. Default wallpaper photograph
 ================================================================================
 Shipped as the default login-screen wallpaper on the ISO
 (0:/os/wallpapers/default.jpg): a photograph of blossoms against misty hills.
@@ -374,7 +431,7 @@ License: Unsplash License (https://unsplash.com/license)
   similar or competing service.
 
 ================================================================================
-15. Flanterm (text renderer for kernel debug log)
+17. Flanterm (text renderer for kernel debug log)
 ================================================================================
 Compiled into the MontaukOS kernel (see kernel/src/Libraries/flanterm).
 The files are taken unmodified from the flanterm project.
@@ -410,7 +467,7 @@ License: BSD-2-Clause license (https://raw.githubusercontent.com/Mintsuki/Flante
 
 
 ================================================================================
-16. GNU Compiler Collection (GCC) and GNU Binutils (Montauk SDK)
+18. GNU Compiler Collection (GCC) and GNU Binutils (Montauk SDK)
 ================================================================================
 The MontaukOS SDK includes native ports of GCC 14.2.0 and GNU Binutils 2.43.1
 at 0:/sdk/. The GCC tools include gcc, g++, cpp, cc1, and cc1plus. The Binutils

programs/data/licenses/Intel-iwlwifi-firmware.txt

@@ -0,0 +1,39 @@
+Copyright (c) 2006-2015, Intel Corporation.
+All rights reserved.
+
+Redistribution.  Redistribution and use in binary form, without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions must reproduce the above copyright notice and the
+  following disclaimer in the documentation and/or other materials
+  provided with the distribution.
+* Neither the name of Intel Corporation nor the names of its suppliers
+  may be used to endorse or promote products derived from this software
+  without specific prior written permission.
+* No reverse engineering, decompilation, or disassembly of this software
+  is permitted.
+
+Limited patent license.  Intel Corporation grants a world-wide,
+royalty-free, non-exclusive license under patents it now or hereafter
+owns or controls to make, have made, use, import, offer to sell and
+sell ("Utilize") this software, but solely to the extent that any
+such patent is necessary to Utilize the software alone, or in
+combination with an operating system licensed under an approved Open
+Source license as listed by the Open Source Initiative at
+http://opensource.org/licenses.  The patent license shall not apply to
+any other combinations which include this software.  No hardware per
+se is licensed hereunder.
+
+DISCLAIMER.  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.

programs/include/libc/inttypes.h

@@ -34,8 +34,11 @@
 #define PRIxPTR "lx"
 #define PRIXPTR "lX"
 #define PRIdMAX "ld"
+#define PRIiMAX "li"
 #define PRIuMAX "lu"
+#define PRIoMAX "lo"
 #define PRIxMAX "lx"
+#define PRIXMAX "lX"
 
 #define SCNd8   "d"
 #define SCNd16  "d"
@@ -56,5 +59,10 @@
 #define SCNdPTR "ld"
 #define SCNuPTR "lu"
 #define SCNxPTR "lx"
+#define SCNdMAX "ld"
+#define SCNiMAX "li"
+#define SCNuMAX "lu"
+#define SCNoMAX "lo"
+#define SCNxMAX "lx"
 
 #endif /* _LIBC_INTTYPES_H */

programs/include/libc/montauk.h

@@ -427,7 +427,7 @@ static inline int mtk_getargs(char *buf, unsigned long max_len) {
 }
 
 static inline int mtk_getexecpath(char *buf, unsigned long maxLen) {
-    return (int)mtk_syscall2(MTK_SYS_GETEXECPATH, (long)buf, (long)maxLen);
+    return (int)_mtk_syscall2(MTK_SYS_GETEXECPATH, (long)buf, (long)maxLen);
 }
 
 static inline int mtk_chdir(const char *path) {

programs/include/libc/stdlib.h

@@ -39,8 +39,8 @@ double atof(const char *s);
 int    abs(int j);
 long   labs(long j);
 
-void   exit(int status);
+void   exit(int status) __attribute__((noreturn));
-void   abort(void);
+void   abort(void) __attribute__((noreturn));
 int    atexit(void (*func)(void));
 
 char  *getenv(const char *name);

programs/lib/libc/crt/crt1.c

@@ -91,6 +91,14 @@ void _start(void) {
 
         argbuf[len] = '\0';
 
+        /* Split on spaces, honouring '...' and "..." so an argument can
+           contain them: `git commit -m "two words"` has to reach main()
+           as two arguments, not three. The quotes are removed, and the
+           token is rewritten in place -- the unquoted form is never
+           longer than the quoted one, so it always fits. Quotes are the
+           only metacharacter: there is no escaping and no substitution,
+           which is deliberate. The kernel hands over one flat string
+           (SYS_GETARGS) and this is a tokenizer, not a shell. */
         char* p = argbuf;
         while (*p != '\0' && argc < 255) {
             while (*p == ' ') {
@@ -101,15 +109,27 @@ void _start(void) {
                 break;
             }
 
-            argv[argc++] = p;
+            char* out = p;
+            argv[argc++] = out;
 
-            while (*p != '\0' && *p != ' ') {
+            char quote = 0;
+            while (*p != '\0' && (quote != 0 || *p != ' ')) {
+                if (quote == 0 && (*p == '"' || *p == '\'')) {
+                    quote = *p++;
+                } else if (quote != 0 && *p == quote) {
+                    quote = 0;
+                    p++;
+                } else {
+                    *out++ = *p++;
+                }
+            }
+
+            /* Step over the separator before terminating: the write
+               below lands on the byte p is about to leave behind. */
+            if (*p != '\0') {
                 p++;
             }
-
+            *out = '\0';
-            if (*p != '\0') {
-                *p++ = '\0';
-            }
         }
     }
 

programs/lib/libc/libc.c

@@ -2081,8 +2081,35 @@ int open(const char *path, int flags, ...) {
     return h;
 }
 
+/*
+ * The standard descriptors are the terminal, NOT file handles.
+ *
+ * 0/1/2 are not handles the kernel ever issued -- SYS_OPEN allocates from its
+ * own space and would have to return 0 for these to line up, which it does
+ * not. Passing them to SYS_READ/SYS_FWRITE addresses whatever handle happens
+ * to hold that number, or fails: before this, every write(2, ...) was
+ * silently discarded, so a POSIX program that reports errors with write()
+ * rather than fprintf() printed nothing at all. stdio already routes std
+ * streams to SYS_PUTCHAR (see fwrite/fprintf); these do the same, so the two
+ * paths agree.
+ */
 int read(int fd, void *buf, size_t count) {
     if (buf == NULL) return -1;
+
+    if (fd == STDIN_FILENO) {
+        /* Line-oriented, like the terminal itself: return as soon as a
+           line is complete rather than blocking for the full count. */
+        char *dst = (char *)buf;
+        size_t i = 0;
+        while (i < count) {
+            int c = fgetc(stdin);
+            if (c == EOF) break;
+            dst[i++] = (char)c;
+            if (c == '\n') break;
+        }
+        return (int)i;
+    }
+
     unsigned long pos = (fd >= 0 && fd < _FD_POS_MAX) ? _fd_pos[fd] : 0;
     int ret = (int)_zos_syscall4(SYS_READ, (long)fd, (long)buf, (long)pos, (long)count);
     if (ret > 0 && fd >= 0 && fd < _FD_POS_MAX)
@@ -2092,6 +2119,14 @@ int read(int fd, void *buf, size_t count) {
 
 int write(int fd, const void *buf, size_t count) {
     if (buf == NULL) return -1;
+
+    if (fd == STDOUT_FILENO || fd == STDERR_FILENO) {
+        const char *src = (const char *)buf;
+        for (size_t i = 0; i < count; i++)
+            _zos_syscall1(SYS_PUTCHAR, (long)(unsigned char)src[i]);
+        return (int)count;
+    }
+
     unsigned long pos = (fd >= 0 && fd < _FD_POS_MAX) ? _fd_pos[fd] : 0;
     int ret = (int)_zos_syscall4(SYS_FWRITE, (long)fd, (long)buf, (long)pos, (long)count);
     if (ret > 0 && fd >= 0 && fd < _FD_POS_MAX)

template/sysroot/include/libc/inttypes.h

@@ -34,8 +34,11 @@
 #define PRIxPTR "lx"
 #define PRIXPTR "lX"
 #define PRIdMAX "ld"
+#define PRIiMAX "li"
 #define PRIuMAX "lu"
+#define PRIoMAX "lo"
 #define PRIxMAX "lx"
+#define PRIXMAX "lX"
 
 #define SCNd8   "d"
 #define SCNd16  "d"
@@ -56,5 +59,10 @@
 #define SCNdPTR "ld"
 #define SCNuPTR "lu"
 #define SCNxPTR "lx"
+#define SCNdMAX "ld"
+#define SCNiMAX "li"
+#define SCNuMAX "lu"
+#define SCNoMAX "lo"
+#define SCNxMAX "lx"
 
 #endif /* _LIBC_INTTYPES_H */

template/sysroot/include/libc/montauk.h

@@ -426,7 +426,7 @@ static inline int mtk_getargs(char *buf, unsigned long max_len) {
 }
 
 static inline int mtk_getexecpath(char *buf, unsigned long maxLen) {
-    return (int)mtk_syscall2(MTK_SYS_GETEXECPATH, (long)buf, (long)maxLen);
+    return (int)_mtk_syscall2(MTK_SYS_GETEXECPATH, (long)buf, (long)maxLen);
 }
 
 static inline int mtk_chdir(const char *path) {

template/sysroot/include/libc/stdlib.h

@@ -39,8 +39,8 @@ double atof(const char *s);
 int    abs(int j);
 long   labs(long j);
 
-void   exit(int status);
+void   exit(int status) __attribute__((noreturn));
-void   abort(void);
+void   abort(void) __attribute__((noreturn));
 int    atexit(void (*func)(void));
 
 char  *getenv(const char *name);