fix: update template, prevent double-spaced persisted kernel logs

template/sysroot/include/libc/dirent.h

@@ -29,6 +29,11 @@ struct dirent *readdir(DIR *dirp);
 int            closedir(DIR *dirp);
 void           rewinddir(DIR *dirp);
 
+int  scandir(const char *dirp, struct dirent ***namelist,
+             int (*filter)(const struct dirent *),
+             int (*compar)(const struct dirent **, const struct dirent **));
+int  alphasort(const struct dirent **a, const struct dirent **b);
+
 #ifdef __cplusplus
 }
 #endif

template/sysroot/include/libc/math.h

@@ -11,6 +11,24 @@ extern "C" {
 #define INFINITY  __builtin_inff()
 #define NAN       __builtin_nanf("")
 
+/*
+ * X/Open math constants. Not in ISO C, but ported code assumes them freely
+ * (NetSurf's about:chart uses M_PI and M_PI_2).
+ */
+#define M_E        2.7182818284590452354
+#define M_LOG2E    1.4426950408889634074
+#define M_LOG10E   0.43429448190325182765
+#define M_LN2      0.69314718055994530942
+#define M_LN10     2.30258509299404568402
+#define M_PI       3.14159265358979323846
+#define M_PI_2     1.57079632679489661923
+#define M_PI_4     0.78539816339744830962
+#define M_1_PI     0.31830988618379067154
+#define M_2_PI     0.63661977236758134308
+#define M_2_SQRTPI 1.12837916709551257390
+#define M_SQRT2    1.41421356237309504880
+#define M_SQRT1_2  0.70710678118654752440
+
 /* C99 floating-point classification. */
 #define FP_NAN       0
 #define FP_INFINITE  1

template/sysroot/include/libc/montauk.h

@@ -73,11 +73,6 @@ extern "C" {
 #define MTK_SYS_MOUSESTATE         47
 #define MTK_SYS_SETMOUSEBOUNDS     48
 #define MTK_SYS_SPAWN_REDIR        49
-#define MTK_SYS_GETENVIRON         171
-#define MTK_SYS_SETENVIRON         172
-#define MTK_SYS_SPAWN_ENV          173
-#define MTK_SYS_SETSESSION         174
-#define MTK_SYS_KILLSESSION        175
 #define MTK_SYS_CHILDIO_READ       50
 #define MTK_SYS_CHILDIO_WRITE      51
 #define MTK_SYS_CHILDIO_WRITEKEY   52
@@ -194,6 +189,16 @@ extern "C" {
 #define MTK_SYS_WIFI_RESULTS       163
 #define MTK_SYS_WIFI_CONNECT_ASYNC 164
 #define MTK_SYS_NETIFS             165
+#define MTK_SYS_GETCHAR_NB         166
+#define MTK_SYS_UTIME              167
+#define MTK_SYS_MMAP_ANON          168
+#define MTK_SYS_MUNMAP             169
+#define MTK_SYS_MPROTECT           170
+#define MTK_SYS_GETENVIRON         171
+#define MTK_SYS_SETENVIRON         172
+#define MTK_SYS_SPAWN_ENV          173
+#define MTK_SYS_SETSESSION         174
+#define MTK_SYS_KILLSESSION        175
 #define MTK_SYS_LOG_WRITE          176
 /* @SYSCALLS-END */
 

template/sysroot/include/libc/stdio.h

@@ -95,6 +95,17 @@ int    ungetc(int c, FILE *stream);
 char  *fgets(char *s, int size, FILE *stream);
 int    fputs(const char *s, FILE *stream);
 
+/* MontaukOS extension: non-blocking readiness probe for stdin.
+   Returns 1 when a complete line is buffered, so a following fgets/fgetc on
+   stdin returns without blocking; 0 otherwise. Partially typed input is kept.
+   This is what a select()-style poll over stdin has to be built on -- stdio
+   descriptors are not waitable kernel objects. */
+int    montauk_stdin_ready(void);
+
+/* Blocks until a complete line is buffered on stdin, then returns 1. Same
+   buffer as montauk_stdin_ready(); nothing is consumed either way. */
+int    montauk_stdin_wait(void);
+
 void   perror(const char *s);
 FILE  *tmpfile(void);
 char  *tmpnam(char *s);

template/sysroot/include/libc/string.h

@@ -25,6 +25,7 @@ char  *strncpy(char *dest, const char *src, size_t n);
 char  *strcat(char *dest, const char *src);
 char  *strncat(char *dest, const char *src, size_t n);
 char  *strdup(const char *s);
+char  *strndup(const char *s, size_t n);
 char  *strchr(const char *s, int c);
 char  *strrchr(const char *s, int c);
 char  *strpbrk(const char *s, const char *accept);

template/sysroot/include/libc/sys/mman.h

@@ -10,10 +10,8 @@ extern "C" {
 #endif
 
 /*
-    * Anonymous-memory mmap over SYS_ALLOC. SYS_ALLOC returns
-    * page-aligned process memory, which is exactly what callers like
-    * GCC's page allocator need. File-backed mappings are not
-    * supported and fail with ENODEV.
+    * Demand-paged anonymous memory backed by the kernel's VMA subsystem.
+    * File-backed and shared mappings are not supported and fail cleanly.
 */
 
 #define PROT_NONE  0

template/sysroot/include/libc/unistd.h

@@ -23,6 +23,8 @@ int    read(int fd, void *buf, size_t count);
 int    write(int fd, const void *buf, size_t count);
 int    close(int fd);
 long   lseek(int fd, long offset, int whence);
+ssize_t pread(int fd, void *buf, size_t count, off_t offset);
+ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);
 int    chdir(const char *path);
 char  *getcwd(char *buf, size_t size);
 int    access(const char *path, int mode);
@@ -59,6 +61,8 @@ long   sysconf(int name);
 extern char **environ;
 
 unsigned int sleep(unsigned int seconds);
+int    usleep(unsigned long usec);
+int    ftruncate(int fd, long length);
 
 #ifdef __cplusplus
 }