fix_umask.c

/*
compile with:
  gcc -shared -fPIC fix_umask.c -o fix_umask.so

edit /usr/bin/subl to include (fix the path to fix_umask.so if necessary):

  #!/bin/sh
  export LD_PRELOAD=/opt/sublime_text/fix_umask.so
  exec /opt/sublime_text/sublime_text "$@"

*/


#include <sys/types.h>
#include <sys/stat.h>

#define _GNU_SOURCE         /* See feature_test_macros(7) */
#include <unistd.h>
#include <sys/syscall.h>   /* For SYS_xxx definitions */

mode_t umask(mode_t mask) {
	mask |= 0022;
	return syscall(SYS_umask, mask);
}