Function convertStringToInt

src/posix/subprocess.hpp:62–76

Convert a null-terminated string to an integer. This function is async signal safe since it does not make any libc calls.

// Convert a null-terminated string to an integer. This function
// is async signal safe since it does not make any libc calls.
static int convertStringToInt(const char *name)
{
  int num = 0;
  while (*name >= '0' && *name <= '9') {
    num = num * 10 + (*name - '0');
    ++name;
  }

  if (*name) {
    // Non digit found, not a number.
    return -1;
  }

  return num;
}
#endif // __linux__ && SYS_getdents64