mdw@git.distorted.org.uk Git - termux-packages/blob - ndk_patches/unistd.patch

   1 diff -u -r /home/fornwall/lib/android-ndk/platforms/android-19/arch-arm/usr/include/unistd.h ./usr/include/unistd.h
   2 --- /home/fornwall/lib/android-ndk/platforms/android-19/arch-arm/usr/include/unistd.h   2012-08-21 07:23:12.000000000 +0200
   3 +++ ./usr/include/unistd.h      2014-07-09 09:55:58.443639544 +0200
   4 @@ -35,6 +35,7 @@
   5  #include <sys/sysconf.h>
   6  #include <linux/capability.h>
   7  #include <pathconf.h>
   8 +#include <asm/unistd.h>
   9
  10  __BEGIN_DECLS
  11
  12 @@ -166,6 +174,43 @@
  13  extern char* ttyname(int);
  14  extern int ttyname_r(int, char*, size_t);
  15
  16 +/* start android polyfill of ttyname(3) and ttyname_r(3) */
  17 +#define ttyname(a) android_polyfill_ttyname(a)
  18 +#define ttyname_r(a, b, c) android_polyfill_ttyname_r(a, b, c)
  19 +
  20 +static int android_polyfill_ttyname_r(int fd, char* buf, size_t buflen)
  21 +{
  22 +       char symlink_path[32] = "/proc/self/fd/";
  23 +       ssize_t siz;
  24 +
  25 +       if (!isatty(fd)) return -1;
  26 +
  27 +       /* Would like to do sprintf(symlink_path, "/proc/self/fd/%d", fd), but stdio.h may not be included. */
  28 +       int shifter = fd;
  29 +       char* p = symlink_path + 14;
  30 +       do {
  31 +               p++;
  32 +               shifter = shifter / 10;
  33 +       } while(shifter);
  34 +       *p = '\0';
  35 +       do {
  36 +               *--p = (fd % 10) + '0';
  37 +               fd = fd / 10;
  38 +       } while (fd);
  39 +
  40 +       siz = readlink(symlink_path, buf, buflen);
  41 +       if (siz < 0 || siz == buflen) return -1;
  42 +       buf[siz] = '\0';
  43 +       return 0;
  44 +}
  45 +
  46 +static char* android_polyfill_ttyname(int fd)
  47 +{
  48 +       static char buf[32];
  49 +       return (ttyname_r(fd, buf, sizeof(buf)) == 0) ? buf : NULL;
  50 +}
  51 +/* end android polyfill of ttyname(3) and ttyname_r(3) */
  52 +
  53  extern int  acct(const char*  filepath);
  54
  55  static __inline__ int getpagesize(void) {