[fusl] clang-format fusl

fusl/src/stdio/vsnprintf.c

 #include "stdio_impl.h"
 #include <limits.h>
 #include <string.h>
 #include <errno.h>
 #include <stdint.h>
 
-static size_t sn_write(FILE *f, const unsigned char *s, size_t l)
-{
-        size_t k = f->wend - f->wpos;
-        if (k > l) k = l;
-        memcpy(f->wpos, s, k);
-        f->wpos += k;
-        /* pretend to succeed, but discard extra data */
-        return l;
+static size_t sn_write(FILE* f, const unsigned char* s, size_t l) {
+  size_t k = f->wend - f->wpos;
+  if (k > l)
+    k = l;
+  memcpy(f->wpos, s, k);
+  f->wpos += k;
+  /* pretend to succeed, but discard extra data */
+  return l;
 }
 
-int vsnprintf(char *restrict s, size_t n, const char *restrict fmt, va_list ap)
-{
-        int r;
-        char b;
-        FILE f = { .lbf = EOF, .write = sn_write, .lock = -1 };
+int vsnprintf(char* restrict s,
+              size_t n,
+              const char* restrict fmt,
+              va_list ap) {
+  int r;
+  char b;
+  FILE f = {.lbf = EOF, .write = sn_write, .lock = -1};
 
-        if (n-1 > INT_MAX-1) {
-                if (n) {
-                        errno = EOVERFLOW;
-                        return -1;
-                }
-                s = &b;
-                n = 1;
-        }
+  if (n - 1 > INT_MAX - 1) {
+    if (n) {
+      errno = EOVERFLOW;
+      return -1;
+    }
+    s = &b;
+    n = 1;
+  }
 
-        /* Ensure pointers don't wrap if "infinite" n is passed in */
-        if (n > (char *)0+SIZE_MAX-s-1) n = (char *)0+SIZE_MAX-s-1;
-        f.buf_size = n;
-        f.buf = f.wpos = (void *)s;
-        f.wbase = f.wend = (void *)(s+n);
-        r = vfprintf(&f, fmt, ap);
+  /* Ensure pointers don't wrap if "infinite" n is passed in */
+  if (n > (char*)0 + SIZE_MAX - s - 1)
+    n = (char*)0 + SIZE_MAX - s - 1;
+  f.buf_size = n;
+  f.buf = f.wpos = (void*)s;
+  f.wbase = f.wend = (void*)(s + n);
+  r = vfprintf(&f, fmt, ap);
 
-        /* Null-terminate, overwriting last char if dest buffer is full */
-        if (n) f.wpos[-(f.wpos == f.wend)] = 0;
-        return r;
+  /* Null-terminate, overwriting last char if dest buffer is full */
+  if (n)
+    f.wpos[-(f.wpos == f.wend)] = 0;
+  return r;
 }