Clean up some code

examples/abort.c

@@ -1,14 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/runtime/runtime.h"
-
-int main(int argc, char *argv[]) {
-  abort();
-}

examples/breakpoint.c

@@ -1,30 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/intrin/kprintf.h"
-#include "libc/log/backtrace.internal.h"
-#include "libc/log/log.h"
-#include "libc/runtime/runtime.h"
-#include "libc/runtime/symbols.internal.h"
-
-int main(int argc, char *argv[]) {
-  ShowCrashReports();
-
-  if (IsDebuggerPresent(false)) {
-    kprintf("debugger found!%n");
-  } else {
-    kprintf("try running: gdb %s%n", argv[0]);
-    kprintf("try running: o//tool/build/strace.com %s%n", argv[0]);
-  }
-
-  __builtin_trap();
-
-  printf("recovered from SIGTRAP without handler\r\n");
-  return 0;
-}

examples/dot.c

@@ -1,42 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/macros.internal.h"
-#include "libc/stdio/stdio.h"
-
-typedef float xmm_t __attribute__((__vector_size__(16), __aligned__(4)));
-
-float dotvector(float *x, float *y, size_t n) {
-  size_t i;
-  float res;
-  if (n > 64) {
-    return dotvector(x, y, n / 2) + dotvector(x + n / 2, y + n / 2, n - n / 2);
-  }
-  for (res = i = 0; i < n; ++i) {
-    if (i + 4 <= n) {
-      xmm_t res4 = (xmm_t){0};
-      do {
-        res4 += *(xmm_t *)(x + i) * *(xmm_t *)(y + i);
-      } while ((i += 4) + 4 <= n);
-      res += res4[0];
-      res += res4[1];
-      res += res4[2];
-      res += res4[3];
-      continue;
-    }
-    res += x[i] * y[i];
-  }
-  return res;
-}
-
-int main(int argc, char *argv[]) {
-  float x[] = {1, 2, 3, 4, 1, 2, 3, 4};
-  float y[] = {4, 3, 2, 1, 1, 2, 3, 4};
-  printf("%g\n", dotvector(x, y, ARRAYLEN(x)));
-}

examples/forkexec.c

@@ -1,22 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/calls/calls.h"
-#include "libc/stdio/stdio.h"
-
-int main(int argc, char *argv[]) {
-  if (argc < 3) {
-    fputs("USAGE: FORKEXEC.COM PROG ARGV₀ [ARGV₁...]\n", stderr);
-    return 1;
-  }
-  if (!fork()) {
-    execv(argv[1], argv + 2);
-    return 127;
-  }
-}

examples/forkexecwait.c

@@ -1,23 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/calls/calls.h"
-#include "libc/stdio/stdio.h"
-
-int main(int argc, char *argv[]) {
-  if (argc < 3) {
-    fputs("USAGE: FORKEXECWAIT.COM PROG ARGV₀ [ARGV₁...]\n", stderr);
-    return 1;
-  }
-  if (!fork()) {
-    execv(argv[1], argv + 2);
-    return 127;
-  }
-  wait(0);
-}

examples/forkrand.c

@@ -1,41 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/calls/calls.h"
-#include "libc/log/check.h"
-#include "libc/stdio/rand.h"
-#include "libc/stdio/stdio.h"
-
-dontinline void dostuff(const char *s) {
-  int i, us;
-  srand(_rand64()); /* seeds rand() w/ intel rdrnd, auxv, etc. */
-  for (i = 0; i < 5; ++i) {
-    us = rand() % 500000;
-    usleep(us);
-    printf("hello no. %u from %s %u [us=%d]\n", i, s, getpid(), us);
-    fflush(stdout);
-  }
-}
-
-int main(int argc, char *argv[]) {
-  int rc, child, wstatus;
-  CHECK_NE(-1, (child = fork()));
-  if (!child) {
-    /* child process */
-    dostuff("child");
-    return 0;
-  } else {
-    /* parent process */
-    dostuff("parent");
-    /* note: abandoned children become zombies */
-    CHECK_NE(-1, (rc = wait(&wstatus)));
-    CHECK_EQ(0, WEXITSTATUS(wstatus));
-    return 0;
-  }
-}

examples/gettimeofday.c

@@ -1,29 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/assert.h"
-#include "libc/calls/struct/timeval.h"
-#include "libc/stdio/stdio.h"
-#include "libc/time/struct/tm.h"
-#include "libc/time/time.h"
-#include "net/http/http.h"
-
-int main(int argc, char *argv[]) {
-  int rc;
-  int64_t t;
-  char p[30];
-  struct tm tm;
-  struct timeval tv;
-  rc = gettimeofday(&tv, 0);
-  unassert(!rc);
-  t = tv.tv_sec;
-  gmtime_r(&t, &tm);
-  FormatHttpDateTime(p, &tm);
-  printf("%s\n", p);
-}

examples/greenbean.c

@@ -154,7 +154,7 @@ void *Worker(void *id) {
     char inbuf[512], outbuf[512], *p, *q;
 
     // musl libc and cosmopolitan libc support a posix thread extension
-    // that makes thread cancellation work much better your io routines
+    // that makes thread cancelation work much better. your io routines
     // will just raise ECANCELED so you can check for cancellation with
     // normal logic rather than needing to push and pop cleanup handler
     // functions onto the stack, or worse dealing with async interrupts

examples/greenbean2.c

@@ -188,7 +188,7 @@ void *ListenWorker(void *arg) {
     struct Client client;
 
     // musl libc and cosmopolitan libc support a posix thread extension
-    // that makes thread cancelation work much better your i/o routines
+    // that makes thread cancelation work much better. your io routines
     // will just raise ECANCELED, so you can check for cancelation with
     // normal logic rather than needing to push and pop cleanup handler
     // functions onto the stack, or worse dealing with async interrupts

examples/linenoise.c

@@ -12,8 +12,8 @@
 #include "libc/calls/struct/sigset.h"
 #include "libc/intrin/kprintf.h"
 #include "libc/mem/mem.h"
-#include "libc/runtime/runtime.h"
 #include "libc/proc/posix_spawn.h"
+#include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/sysv/consts/sig.h"

examples/mkhello.c

@@ -1,17 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/calls/calls.h"
-
-int main(int argc, char *argv[]) {
-  creat("hello.txt", 0644);
-  write(3, "hello\n", 6);
-  close(3);
-  return 0;
-}

examples/sysconf.c

@@ -10,7 +10,7 @@
 #include "libc/runtime/sysconf.h"
 #include "libc/stdio/stdio.h"
 
-#define SYSCONF(NAME) printf("%s %,ld\n", #NAME, sysconf(NAME))
+#define SYSCONF(NAME) printf("%-24s %,ld\n", #NAME, sysconf(NAME))
 
 int main(int argc, char *argv[]) {
   SYSCONF(_SC_CLK_TCK);

examples/sysinfo.c

@@ -8,10 +8,12 @@
 ╚─────────────────────────────────────────────────────────────────*/
 #endif
 #include "libc/calls/struct/sysinfo.h"
+#include "libc/calls/struct/timespec.h"
 #include "libc/fmt/conv.h"
 #include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/stdio/stdio.h"
+#include "libc/sysv/consts/clock.h"
 
 int main(int argc, char *argv[]) {
   int64_t x;

examples/tib.c

@@ -1,19 +0,0 @@
-#if 0
-/*─────────────────────────────────────────────────────────────────╗
-│ To the extent possible under law, Justine Tunney has waived      │
-│ all copyright and related or neighboring rights to this file,    │
-│ as it is written in the following disclaimers:                   │
-│   • http://unlicense.org/                                        │
-│   • http://creativecommons.org/publicdomain/zero/1.0/            │
-╚─────────────────────────────────────────────────────────────────*/
-#endif
-#include "libc/stdio/stdio.h"
-#include "libc/thread/tls.h"
-
-void *hog(void) {
-  return &__get_tls()->tib_errno;
-}
-
-int main(int argc, char *argv[]) {
-  printf("%zu\n", sizeof(struct CosmoTib));
-}

libc/calls/clock_gettime-nt.c

@@ -16,6 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/calls/struct/timespec.h"
 #include "libc/calls/struct/timespec.internal.h"
 #include "libc/errno.h"
 #include "libc/fmt/wintime.internal.h"
@@ -26,11 +27,16 @@
 textwindows int sys_clock_gettime_nt(int clock, struct timespec *ts) {
   struct NtFileTime ft;
   if (clock == CLOCK_REALTIME) {
+    if (!ts) return 0;
     GetSystemTimeAsFileTime(&ft);
     *ts = FileTimeToTimeSpec(ft);
     return 0;
   } else if (clock == CLOCK_MONOTONIC) {
+    if (!ts) return 0;
     return sys_clock_gettime_mono(ts);
+  } else if (clock == CLOCK_BOOTTIME) {
+    if (ts) *ts = timespec_frommillis(GetTickCount64());
+    return 0;
   } else {
     return -EINVAL;
   }

libc/calls/clock_gettime-xnu.c

@@ -16,12 +16,18 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/calls/calls.h"
 #include "libc/calls/struct/timespec.internal.h"
+#include "libc/calls/struct/timeval.h"
 #include "libc/calls/struct/timeval.internal.h"
 #include "libc/errno.h"
+#include "libc/macros.internal.h"
 #include "libc/sysv/consts/clock.h"
 #ifdef __x86_64__
 
+#define CTL_KERN      1
+#define KERN_BOOTTIME 21
+
 int sys_clock_gettime_xnu(int clock, struct timespec *ts) {
   long ax, dx;
   if (clock == CLOCK_REALTIME) {
@@ -41,18 +47,28 @@ int sys_clock_gettime_xnu(int clock, struct timespec *ts) {
     //   2. old xnu returns *ts in rax:rdx regs
     //
     // we assume this system call always succeeds
-    asm volatile("syscall"
-                 : "=a"(ax), "=d"(dx)
-                 : "0"(0x2000000 | 116), "D"(ts), "S"(0), "1"(0)
-                 : "rcx", "r8", "r9", "r10", "r11", "memory");
-    if (ax) {
-      ts->tv_sec = ax;
-      ts->tv_nsec = dx;
+    if (ts) {
+      asm volatile("syscall"
+                   : "=a"(ax), "=d"(dx)
+                   : "0"(0x2000000 | 116), "D"(ts), "S"(0), "1"(0)
+                   : "rcx", "r8", "r9", "r10", "r11", "memory");
+      if (ax) {
+        ts->tv_sec = ax;
+        ts->tv_nsec = dx;
+      }
+      ts->tv_nsec *= 1000;
     }
-    ts->tv_nsec *= 1000;
     return 0;
   } else if (clock == CLOCK_MONOTONIC) {
+    if (!ts) return 0;
     return sys_clock_gettime_mono(ts);
+  } else if (clock == CLOCK_BOOTTIME) {
+    struct timeval x;
+    size_t n = sizeof(x);
+    int mib[] = {CTL_KERN, KERN_BOOTTIME};
+    if (sys_sysctl(mib, ARRAYLEN(mib), &x, &n, 0, 0) == -1) return -1;
+    if (ts) *ts = timeval_totimespec(timeval_sub(timeval_real(), x));
+    return 0;
   } else {
     return -EINVAL;
   }

libc/calls/close-nt.c

@@ -32,6 +32,8 @@ textwindows int sys_close_nt(int fd, int fildes) {
   if (fd + 0u >= g_fds.n) return ebadf();
   struct Fd *f = g_fds.p + fd;
   switch (f->kind) {
+    case kFdEmpty:
+      return ebadf();
     case kFdFile:
       void sys_fcntl_nt_lock_cleanup(int);
       if (_weaken(sys_fcntl_nt_lock_cleanup)) {

libc/calls/mknod.c

@@ -1,7 +1,7 @@
 /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
 │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
 ╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2022 Justine Alexandra Roberts Tunney                              │
+│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
 │                                                                              │
 │ Permission to use, copy, modify, and/or distribute this software for         │
 │ any purpose with or without fee is hereby granted, provided that the         │
@@ -16,12 +16,47 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/calls/calls.h"
+#include "libc/calls/syscall-sysv.internal.h"
 #include "libc/dce.h"
-#include "libc/str/str.h"
+#include "libc/errno.h"
+#include "libc/intrin/asan.internal.h"
+#include "libc/intrin/strace.internal.h"
+#include "libc/sysv/consts/at.h"
+#include "libc/sysv/consts/s.h"
+#include "libc/sysv/errfuns.h"
 
 /**
- * Returns true if character is directory separator slash.
+ * Creates filesystem inode.
+ *
+ * @param mode is octal mode, e.g. 0600; needs to be or'd with one of:
+ *     S_IFDIR: directory
+ *     S_IFIFO: named pipe
+ *     S_IFREG: regular file
+ *    S_IFSOCK: named socket
+ *     S_IFBLK: block device (root has authorization)
+ *     S_IFCHR: character device (root has authorization)
+ * @param dev it's complicated
+ * @return 0 on success, or -1 w/ errno
+ * @asyncsignalsafe
  */
-bool _isdirsep(int c) {
-  return c == '/' || c == '\\';
+int mknod(const char *path, uint32_t mode, uint64_t dev) {
+  int e, rc;
+  if (IsAsan() && !__asan_is_valid_str(path)) return efault();
+  if (mode & S_IFREG) return creat(path, mode & ~S_IFREG);
+  if (mode & S_IFDIR) return mkdir(path, mode & ~S_IFDIR);
+  if (mode & S_IFIFO) return enosys();  // no named pipes!
+  if (!IsWindows()) {
+    // TODO(jart): Whys there code out there w/ S_xxx passed via dev?
+    e = errno;
+    rc = sys_mknod(path, mode, dev);
+    if (rc == -1 && rc == ENOSYS) {
+      errno = e;
+      rc = sys_mknodat(AT_FDCWD, path, mode, dev);
+    }
+  } else {
+    rc = enosys();
+  }
+  STRACE("mknod(%#s, %#o, %#lx) → %d% m", path, mode, dev, rc);
+  return rc;
 }

libc/calls/sysinfo-nt.c

@@ -21,6 +21,7 @@
 #include "libc/nt/accounting.h"
 #include "libc/nt/struct/memorystatusex.h"
 #include "libc/nt/struct/systeminfo.h"
+#include "libc/nt/synchronization.h"
 #include "libc/nt/systeminfo.h"
 
 textwindows int sys_sysinfo_nt(struct sysinfo *info) {
@@ -29,10 +30,11 @@ textwindows int sys_sysinfo_nt(struct sysinfo *info) {
   GetSystemInfo(&sysinfo);
   memstat.dwLength = sizeof(struct NtMemoryStatusEx);
   if (GlobalMemoryStatusEx(&memstat)) {
+    info->mem_unit = 1;
     info->totalram = memstat.ullTotalPhys;
     info->freeram = memstat.ullAvailPhys;
     info->procs = sysinfo.dwNumberOfProcessors;
-    info->mem_unit = 1;
+    info->uptime = GetTickCount64() / 1000;
     return 0;
   } else {
     return __winerr();

libc/calls/sysinfo.c

@@ -29,10 +29,17 @@
 #include "libc/sysv/errfuns.h"
 
 #define CTL_KERN      1
+#define CTL_VM        2
 #define CTL_HW        6
+#define VM_LOADAVG    2
 #define KERN_BOOTTIME 21
 #define HW_PHYSMEM    (IsXnu() ? 24 : 5)
 
+struct loadavg {
+  uint32_t ldavg[3];
+  int64_t fscale;
+};
+
 static int64_t GetUptime(void) {
   if (IsNetbsd()) return 0;  // TODO(jart): Why?
   struct timeval x;
@@ -50,7 +57,20 @@ static int64_t GetPhysmem(void) {
   return x;
 }
 
+static void GetLoads(uint64_t loads[3]) {
+  size_t size;
+  struct loadavg loadinfo;
+  int mib[2] = {CTL_VM, VM_LOADAVG};
+  size = sizeof(loadinfo);
+  if (sys_sysctl(mib, 2, &loadinfo, &size, 0, 0) != -1) {
+    for (int i = 0; i < 3; i++) {
+      loads[i] = (double)loadinfo.ldavg[i] / loadinfo.fscale * 65536;
+    }
+  }
+}
+
 static int sys_sysinfo_bsd(struct sysinfo *info) {
+  GetLoads(info->loads);
   info->uptime = GetUptime();
   info->totalram = GetPhysmem();
   info->bufferram = GetPhysmem();

libc/log/backtrace3.c

@@ -24,7 +24,6 @@
 #include "libc/intrin/weaken.h"
 #include "libc/log/backtrace.internal.h"
 #include "libc/macros.internal.h"
-#include "libc/mem/bisectcarleft.internal.h"
 #include "libc/nexgen32e/gc.internal.h"
 #include "libc/nexgen32e/stackframe.h"
 #include "libc/runtime/memtrack.internal.h"

libc/mem/bisectcarleft.internal.h

@@ -1,26 +0,0 @@
-#ifndef COSMOPOLITAN_LIBC_ALG_BISECTCARLEFT_H_
-#define COSMOPOLITAN_LIBC_ALG_BISECTCARLEFT_H_
-#if !(__ASSEMBLER__ + __LINKER__ + 0)
-COSMOPOLITAN_C_START_
-
-/* TODO: DELETE */
-
-forceinline int32_t bisectcarleft(const int32_t (*cons)[2], size_t count,
-                                  const int32_t key) {
-  size_t left = 0;
-  size_t right = count;
-  while (left < right) {
-    size_t m = (left + right) >> 1;
-    if (cons[m][0] < key) {
-      left = m + 1;
-    } else {
-      right = m;
-    }
-  }
-  if (left && (left == count || cons[left][0] > key)) left--;
-  return left;
-}
-
-COSMOPOLITAN_C_END_
-#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
-#endif /* COSMOPOLITAN_LIBC_ALG_BISECTCARLEFT_H_ */

libc/mem/bsearch.c

@@ -21,7 +21,7 @@
 
 /**
  * Searches sorted array for exact item in logarithmic time.
- * @see bsearch_r(), bisectcarleft()
+ * @see bsearch_r()
  */
 void *bsearch(const void *key, const void *base, size_t nmemb, size_t size,
               int cmp(const void *a, const void *b)) {

libc/mem/bsearch_r.c

@@ -21,7 +21,7 @@
 
 /**
  * Searches sorted array for exact item in logarithmic time.
- * @see bsearch(), bisectcarleft()
+ * @see bsearch()
  */
 void *bsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
                 int cmp(const void *a, const void *b, void *arg), void *arg) {

libc/mem/realpath.c

@@ -44,15 +44,10 @@ Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
 // clang-format off
 
-static inline bool IsSlash(char c)
-{
-	return c == '/' || c == '\\';
-}
-
 static size_t GetSlashLen(const char *s)
 {
 	const char *s0 = s;
-	while (IsSlash(*s)) s++;
+	while (*s == '/') s++;
 	return s-s0;
 }
 
@@ -123,7 +118,7 @@ restart:
 	for (; ; p+=GetSlashLen(stack+p)) {
 		/* If stack starts with /, the whole component is / or //
 		 * and the output state must be reset. */
-		if (IsSlash(stack[p])) {
+		if (stack[p] == '/') {
 			check_dir=0;
 			nup=0;
 			q=0;
@@ -147,7 +142,7 @@ restart:
 		/* Copy next component onto output at least temporarily, to
 		 * call readlink, but wait to advance output position until
 		 * determining it's not a link. */
-		if (q && !IsSlash(output[q-1])) {
+		if (q && output[q-1] != '/') {
 			if (!p) goto toolong;
 			stack[--p] = '/';
 			l++;
@@ -180,8 +175,8 @@ restart:
 skip_readlink:
 			check_dir = 0;
 			if (up) {
-				while(q && !IsSlash(output[q-1])) q--;
-				if (q>1 && (q>2 || !IsSlash(output[0]))) q--;
+				while(q && output[q-1] != '/') q--;
+				if (q>1 && (q>2 || output[0] != '/')) q--;
 				continue;
 			}
 			if (l0) q += l;
@@ -203,8 +198,8 @@ skip_readlink:
 
 		/* If link contents end in /, strip any slashes already on
 		 * stack to avoid /->// or //->/// or spurious toolong. */
-		if (IsSlash(stack[k-1])) {
-			while (IsSlash(stack[p]))
+		if (stack[k-1] == '/') {
+			while (stack[p] == '/')
 				p++;
 		}
 		p -= k;
@@ -217,18 +212,18 @@ skip_readlink:
 
  	output[q] = 0;
 
-	if (!IsSlash(output[0])) {
+	if (output[0] != '/') {
 		if (!getcwd(stack, sizeof(stack))) return 0;
 		l = strlen(stack);
 		/* Cancel any initial .. components. */
 		p = 0;
 		while (nup--) {
-			while(l>1 && !IsSlash(stack[l-1])) l--;
+			while(l>1 && stack[l-1] != '/') l--;
 			if (l>1) l--;
 			p += 2;
 			if (p<q) p++;
 		}
-		if (q-p && !IsSlash(stack[l-1])) stack[l++] = '/';
+		if (q-p && stack[l-1] != '/') stack[l++] = '/';
 		if (l + (q-p) + 1 >= PATH_MAX) goto toolong;
 		memmove(output + l, output + p, q - p + 1);
 		if (l) memcpy(output, stack, l);

libc/sock/socket-nt.c

@@ -16,53 +16,28 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/assert.h"
 #include "libc/calls/internal.h"
-#include "libc/calls/state.internal.h"
-#include "libc/errno.h"
-#include "libc/mem/mem.h"
-#include "libc/nt/enum/fileflagandattributes.h"
-#include "libc/nt/iphlpapi.h"
-#include "libc/nt/thunk/msabi.h"
 #include "libc/nt/winsock.h"
 #include "libc/sock/internal.h"
-#include "libc/str/str.h"
-#include "libc/sysv/consts/af.h"
-#include "libc/sysv/consts/ipproto.h"
 #include "libc/sysv/consts/o.h"
-#include "libc/sysv/consts/so.h"
 #include "libc/sysv/consts/sock.h"
-#include "libc/sysv/consts/sol.h"
 #ifdef __x86_64__
 #include "libc/sock/yoink.inc"
 
-__msabi extern typeof(__sys_setsockopt_nt) *const __imp_setsockopt;
-
-/*
- * ioctl(SIOCGIFCONFIG) for Windows need to access the following
- * functions through weak reference. This ensure those symbols are not
- * stripped during final link.
- */
+// ioctl(SIOCGIFCONFIG) for Windows need to access the following
+// functions through weak reference. This ensure those symbols are not
+// stripped during final link.
 __static_yoink("GetAdaptersAddresses");
 __static_yoink("tprecode16to8");
 
 textwindows int sys_socket_nt(int family, int type, int protocol) {
   int64_t h;
-  int fd, oflags, truetype, yes = 1;
+  int fd, oflags, truetype;
   fd = __reservefd(-1);
   if (fd == -1) return -1;
   truetype = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK);
   if ((h = WSASocket(family, truetype, protocol, NULL, 0,
                      kNtWsaFlagOverlapped)) != -1) {
-
-    // sets SO_EXCLUSIVEADDRUSE on all sockets so they won't get pilfered
-    // you can read a blog post on this subject in the find_unused_port()
-    // pydoc of this file third_party/python/Lib/test/support/__init__.py
-    // this needs to happen right after socket is called or it won't work
-    if (family == AF_INET || family == AF_INET6) {
-      unassert(__imp_setsockopt(h, SOL_SOCKET, -5, &yes, 4) != -1);
-    }
-
     oflags = O_RDWR;
     if (type & SOCK_CLOEXEC) oflags |= O_CLOEXEC;
     if (type & SOCK_NONBLOCK) oflags |= O_NONBLOCK;
@@ -73,7 +48,6 @@ textwindows int sys_socket_nt(int family, int type, int protocol) {
     g_fds.p[fd].flags = oflags;
     g_fds.p[fd].mode = 0140666;
     g_fds.p[fd].handle = h;
-
     return fd;
   } else {
     __releasefd(fd);

libc/stdio/printargs.c

@@ -358,25 +358,6 @@ textstartup void __printargs(const char *prologue) {
     }
   }
 
-  if (IsLinux()) {
-    PRINT("");
-    PRINT("CAPABILITIES");
-    if (prctl(PR_CAPBSET_READ, 0) != -1) {
-      for (gotsome = false, i = 0; i <= CAP_LAST_CAP; ++i) {
-        if (prctl(PR_CAPBSET_READ, i) == 1) {
-          char buf[64];
-          PRINT(" ☼ %s", (DescribeCapability)(buf, i));
-          gotsome = true;
-        }
-      }
-      if (!gotsome) {
-        PRINT(" ☼ %s", "none");
-      }
-    } else {
-      PRINT(" ☼ %s", strerror(errno));
-    }
-  }
-
   PRINT("");
   PRINT("RESOURCE LIMITS");
   for (gotsome = false, i = 0; i < RLIM_NLIMITS; ++i) {
@@ -625,34 +606,6 @@ textstartup void __printargs(const char *prologue) {
     struct NtStartupInfo startinfo;
     GetStartupInfo(&startinfo);
 
-    PRINT("");
-    PRINT("GETSTARTUPINFO");
-    if (startinfo.lpDesktop)
-      PRINT(" ☼ %s = %#!hs", "lpDesktop", startinfo.lpDesktop);
-    if (startinfo.lpTitle) PRINT(" ☼ %s = %#!hs", "lpTitle", startinfo.lpTitle);
-    if (startinfo.dwX) PRINT(" ☼ %s = %u", "dwX", startinfo.dwX);
-    if (startinfo.dwY) PRINT(" ☼ %s = %u", "dwY", startinfo.dwY);
-    if (startinfo.dwXSize) PRINT(" ☼ %s = %u", "dwXSize", startinfo.dwXSize);
-    if (startinfo.dwYSize) PRINT(" ☼ %s = %u", "dwYSize", startinfo.dwYSize);
-    if (startinfo.dwXCountChars)
-      PRINT(" ☼ %s = %u", "dwXCountChars", startinfo.dwXCountChars);
-    if (startinfo.dwYCountChars)
-      PRINT(" ☼ %s = %u", "dwYCountChars", startinfo.dwYCountChars);
-    if (startinfo.dwFillAttribute)
-      PRINT(" ☼ %s = %u", "dwFillAttribute", startinfo.dwFillAttribute);
-    if (startinfo.dwFlags)
-      PRINT(" ☼ %s = %s", "dwFlags", DescribeNtStartFlags(startinfo.dwFlags));
-    if (startinfo.wShowWindow)
-      PRINT(" ☼ %s = %hu", "wShowWindow", startinfo.wShowWindow);
-    if (startinfo.cbReserved2)
-      PRINT(" ☼ %s = %hu", "cbReserved2", startinfo.cbReserved2);
-    if (startinfo.hStdInput)
-      PRINT(" ☼ %s = %ld", "hStdInput", startinfo.hStdInput);
-    if (startinfo.hStdOutput)
-      PRINT(" ☼ %s = %ld", "hStdOutput", startinfo.hStdOutput);
-    if (startinfo.hStdError)
-      PRINT(" ☼ %s = %ld", "hStdError", startinfo.hStdError);
-
     PRINT("");
     uint32_t cm;
     PRINT("STANDARD HANDLES");

libc/sysv/consts.sh

@@ -587,7 +587,7 @@ syscon	clock	CLOCK_MONOTONIC_RAW			4			4			127			4			127			127			127			127			# a
 syscon	clock	CLOCK_PROCESS_CPUTIME_ID		2			2			127			12			15			2			0x40000000		127			# NetBSD lets you bitwise a PID into clockid_t
 syscon	clock	CLOCK_THREAD_CPUTIME_ID			3			3			127			16			14			4			0x20000000		127			#
 syscon	clock	CLOCK_PROF				127			127			127			127			2			127			2			127			#
-syscon	clock	CLOCK_BOOTTIME				7			7			127			127			127			6			127			127			#
+syscon	clock	CLOCK_BOOTTIME				7			7			7			127			127			6			127			7			#
 syscon	clock	CLOCK_REALTIME_ALARM			8			8			127			127			127			127			127			127			#
 syscon	clock	CLOCK_BOOTTIME_ALARM			9			9			127			127			127			127			127			127			#
 syscon	clock	CLOCK_TAI				11			11			127			127			127			127			127			127			#
@@ -622,7 +622,7 @@ syscon	so	SO_TYPE					3			3			0x1008			0x1008			0x1008			0x1008			0x1008			0x100
 syscon	so	SO_ERROR				4			4			0x1007			0x1007			0x1007			0x1007			0x1007			0x1007			# takes int pointer and stores/clears the pending error code; bsd consensus
 syscon	so	SO_ACCEPTCONN				30			30			2			2			2			2			2			2			# takes int pointer and stores boolean indicating if listen() was called on fd; bsd consensus
 syscon	so	SO_REUSEPORT				15			15			0x0200			0x0200			0x0200			0x0200			0x0200			0			# bsd consensus; no windows support
-syscon	so	SO_REUSEADDR				2			2			4			4			4			4			4			4			# bsd consensus (default behavior on NT)
+syscon	so	SO_REUSEADDR				2			2			4			4			4			4			4			-5			# SO_EXCLUSIVEADDRUSE on Windows (see third_party/python/Lib/test/support/__init__.py)
 syscon	so	SO_KEEPALIVE				9			9			8			8			8			8			8			8			# bsd consensus
 syscon	so	SO_DONTROUTE				5			5			0x10			0x10			0x10			0x10			0x10			0x10			# bsd consensus
 syscon	so	SO_BROADCAST				6			6			0x20			0x20			0x20			0x20			0x20			0x20			# socket is configured for broadcast messages; bsd consensus

libc/sysv/consts/CLOCK_BOOTTIME.S

@@ -1,2 +1,2 @@
 #include "libc/sysv/consts/syscon.internal.h"
-.syscon clock,CLOCK_BOOTTIME,7,7,127,127,127,6,127,127
+.syscon clock,CLOCK_BOOTTIME,7,7,7,127,127,6,127,7

libc/sysv/consts/SO_REUSEADDR.S

@@ -1,2 +1,2 @@
 #include "libc/sysv/consts/syscon.internal.h"
-.syscon so,SO_REUSEADDR,2,2,4,4,4,4,4,4
+.syscon so,SO_REUSEADDR,2,2,4,4,4,4,4,-5

libc/x/xjoinpaths.c

@@ -17,7 +17,6 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/safemacros.internal.h"
-#include "libc/str/path.h"
 #include "libc/str/str.h"
 #include "libc/x/x.h"
 

test/libc/sock/select_test.c

@@ -16,6 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/sock/select.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/pledge.h"
 #include "libc/calls/struct/sigaction.h"
@@ -24,7 +25,6 @@
 #include "libc/dce.h"
 #include "libc/errno.h"
 #include "libc/runtime/runtime.h"
-#include "libc/sock/select.h"
 #include "libc/sock/sock.h"
 #include "libc/sysv/consts/sig.h"
 #include "libc/testlib/testlib.h"