Cleanup: Remove src/trusted/gio/, since it is unused

src/trusted/gio/gio_nacl_desc_test.c

Index: src/trusted/gio/gio_nacl_desc_test.c
diff --git a/src/trusted/gio/gio_nacl_desc_test.c b/src/trusted/gio/gio_nacl_desc_test.c
deleted file mode 100644
index ff9456c11bebdcabfffa3549c469bda7ac4c8aed..0000000000000000000000000000000000000000
--- a/src/trusted/gio/gio_nacl_desc_test.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- * Copyright 2010 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#if NACL_WINDOWS
-# include "io.h"
-# include "fcntl.h"
-#endif
-
-#define COPY_CHUNKSIZE  (4 * 4096)
-
-
-/*
- * cp via gio on top of NaClDescIoDesc, as a test.
- */
-
-#include "native_client/src/include/portability.h"
-
-#include "native_client/src/shared/platform/nacl_check.h"
-#include "native_client/src/shared/platform/nacl_log.h"
-#include "native_client/src/shared/platform/nacl_time.h"
-#include "native_client/src/shared/platform/nacl_secure_random.h"
-#include "native_client/src/shared/platform/nacl_global_secure_random.h"
-
-#include "native_client/src/trusted/desc/nacl_desc_base.h"
-#include "native_client/src/trusted/desc/nacl_desc_io.h"
-
-#include "native_client/src/trusted/nacl_base/nacl_refcount.h"
-
-#include "native_client/src/trusted/desc/nrd_all_modules.h"
-#include "native_client/src/trusted/gio/gio_nacl_desc.h"
-#include "native_client/src/trusted/service_runtime/include/sys/fcntl.h"
-#include "native_client/src/trusted/service_runtime/nacl_config.h"
-
-void Usage(void) {
-  fprintf(stderr, "Usage: gio_nacl_desc_test src_file dst_file\n");
-}
-
-int WriteAll(struct Gio *dst, char *buffer, size_t nbytes) {
-  size_t bytes_written;
-  ssize_t written;
-  int num_errors = 0;
-
-  for (bytes_written = 0;
-       bytes_written < nbytes;
-       bytes_written += written) {
-    written = (*NACL_VTBL(Gio, dst)->Write)(dst,
-                                            buffer + bytes_written,
-                                            nbytes - bytes_written);
-    if (written < 0) {
-      written = 0;
-      ++num_errors;
-      fprintf(stderr, "Write error\n");
-    }
-  }
-  return num_errors;
-}
-
-int ReadAll(struct Gio *src, char *buffer, size_t nbytes) {
-  size_t bytes_read;
-  ssize_t readden;  /* for parallelism :-) */
-  int num_errors = 0;
-
-  for (bytes_read = 0;
-       bytes_read < nbytes;
-       bytes_read += readden) {
-    readden = (*NACL_VTBL(Gio, src)->Read)(src,
-                                           buffer + bytes_read,
-                                           nbytes - bytes_read);
-    if (readden < 0) {
-      readden = 0;
-      ++num_errors;
-      fprintf(stderr, "read error\n");
-    }
-  }
-  return num_errors;
-}
-
-/*
- * Returns number of detected but correctable errors.
- */
-int GioCopy(struct Gio *src, struct Gio *dst) {
-  char buffer[COPY_CHUNKSIZE];
-  ssize_t bytes_read;
-  int num_errors = 0;
-
-  while (0 != (bytes_read = (*NACL_VTBL(Gio, src)->
-                             Read)(src, buffer, sizeof buffer))) {
-    if (bytes_read < 0) {
-      fprintf(stderr, "negative read?!?\n");
-      return ++num_errors;
-    }
-    num_errors += WriteAll(dst, buffer, (size_t) bytes_read);
-  }
-  return num_errors;
-}
-
-int ComparePosixFiles(char *file1, char *file2) {
-  FILE *f1 = fopen(file1, "r");
-  FILE *f2 = fopen(file2, "r");
-  int num_errors = 0;
-  int byte;
-  int byte2;
-
-  if (NULL == f1) return 1;
-  if (NULL == f2) return 1;
-
-  while (EOF != (byte = getc(f1))) {
-    if (byte != (byte2 = getc(f2))) {
-      ++num_errors;
-    }
-    if (EOF == byte2) {
-      fprintf(stderr, "file length differs (%s short)\n", file2);
-      /* num_errors already incremented above */
-      break;
-    }
-  }
-  if (EOF != getc(f2)) {
-    fprintf(stderr, "file length differs (%s short)\n", file1);
-    ++num_errors;
-  }
-  if (0 != num_errors) {
-    fprintf(stderr, "files %s and %s differ\n", file1, file2);
-  }
-  return num_errors;
-}
-
-void RemoveFile(char *fname) {
-#if NACL_WINDOWS
-  _unlink(fname);
-#else
-  unlink(fname);
-#endif
-}
-
-int GioRevCopy(struct Gio *src, struct Gio *dst) {
-  off_t file_size;
-  char buffer[COPY_CHUNKSIZE];
-  off_t start_offset;
-  int num_errors = 0;
-  size_t expected_bytes;
-
-  file_size = (*NACL_VTBL(Gio, src)->Seek)(src, 0, SEEK_END);
-  if (file_size <= 0) {
-    fprintf(stderr, "non-positive file size?!?\n");
-  }
-
-  start_offset = file_size;
-  do {
-    start_offset -= COPY_CHUNKSIZE;
-    expected_bytes = COPY_CHUNKSIZE;
-    if (start_offset < 0) {
-      expected_bytes = start_offset + COPY_CHUNKSIZE;
-      start_offset = 0;
-    }
-    if (start_offset != (*NACL_VTBL(Gio, src)->
-                         Seek)(src, start_offset, SEEK_SET)) {
-      fprintf(stderr, "seek in source file failed, offset %"NACL_PRId64"\n",
-              (int64_t) start_offset);
-      return ++num_errors;
-    }
-    num_errors += ReadAll(src, buffer, expected_bytes);
-    if (start_offset != (*NACL_VTBL(Gio, dst)->
-                         Seek)(dst, start_offset, SEEK_SET)) {
-      fprintf(stderr, "seek in destination file failed, offset"
-              " %"NACL_PRId64"\n", (int64_t) start_offset);
-      return ++num_errors;
-    }
-    num_errors += WriteAll(dst, buffer, expected_bytes);
-  } while (start_offset > 0);
-
-  return num_errors;
-}
-
-int main(int ac,
-         char **av) {
-  struct NaClDescIoDesc *src;
-  struct NaClDescIoDesc *dst;
-  struct NaClGioNaClDesc gsrc;
-  struct NaClGioNaClDesc gdst;
-  int num_errors = 0;
-
-  if (ac != 3) {
-    Usage();
-    return -1;
-  }
-
-  NaClLogModuleInit();
-  NaClTimeInit();
-  NaClSecureRngModuleInit();
-  NaClGlobalSecureRngInit();
-
-  src = NaClDescIoDescOpen(av[1], NACL_ABI_O_RDONLY, 0);
-  if (NULL == src) {
-    fprintf(stderr, "could not open %s for read\n", av[1]);
-    Usage();
-    return -2;
-  }
-  dst = NaClDescIoDescOpen(av[2],
-                           NACL_ABI_O_WRONLY|
-                           NACL_ABI_O_TRUNC|
-                           NACL_ABI_O_CREAT,
-                           0666);
-  if (NULL == dst) {
-    fprintf(stderr, "could not open %s for write\n", av[2]);
-    Usage();
-    return -3;
-  }
-  if (!NaClGioNaClDescCtor(&gsrc, (struct NaClDesc *) src)) {
-    fprintf(stderr, "NaClGioNaClDescCtor failed for source file\n");
-    return -4;
-  }
-  if (!NaClGioNaClDescCtor(&gdst, (struct NaClDesc *) dst)) {
-    fprintf(stderr, "NaClGioNaClDescCtor failed for destination file\n");
-    return -5;
-  }
-
-  /*
-   * The NaClGioNaClDesc now owns the NaClDescIoDesc.
-   */
-  NaClDescUnref(&src->base);
-  NaClDescUnref(&dst->base);
-
-  num_errors += GioCopy((struct Gio *) &gsrc, (struct Gio *) &gdst);
-  num_errors += ComparePosixFiles(av[1], av[2]);
-
-  (*NACL_VTBL(Gio, &gdst)->Close)(&gdst.base);
-  (*NACL_VTBL(Gio, &gdst)->Dtor)(&gdst.base);
-
-  if (0 < num_errors) {
-    return num_errors;
-  }
-
-  RemoveFile(av[2]);
-
-  /* reverse copy; reuse gsrc */
-
-  dst = NaClDescIoDescOpen(av[2],
-                           NACL_ABI_O_WRONLY|
-                           NACL_ABI_O_TRUNC|
-                           NACL_ABI_O_CREAT,
-                           0666);
-  if (NULL == dst) {
-    fprintf(stderr, "could not open %s for write\n", av[2]);
-    Usage();
-    return -6;
-  }
-  if (!NaClGioNaClDescCtor(&gdst, (struct NaClDesc *) dst)) {
-    fprintf(stderr, "NaClGioNaClDescCtor faied for destination file\n");
-    return -7;
-  }
-
-  NaClDescUnref(&dst->base);
-
-  /*
-   * We run GioRevCopy twice because if Seek failed to move the file
-   * pointer but reported the file size correctly, it would still
-   * result in a correct output.  By running it twice, the destination
-   * data is just overwritten if the implementation is correct, and if
-   * it isn't, we would end up with a file that is twice the source
-   * file size.
-   */
-  num_errors += GioRevCopy((struct Gio *) &gsrc, (struct Gio *) &gdst);
-  num_errors += GioRevCopy((struct Gio *) &gsrc, (struct Gio *) &gdst);
-  num_errors += ComparePosixFiles(av[1], av[2]);
-
-  (*NACL_VTBL(Gio, &gdst)->Close)((struct Gio *) &gdst);
-  (*NACL_VTBL(Gio, &gdst)->Dtor)((struct Gio *) &gdst);
-
-  (*NACL_VTBL(Gio, &gsrc)->Close)((struct Gio *) &gsrc);
-  (*NACL_VTBL(Gio, &gsrc)->Dtor)((struct Gio *) &gsrc);
-
-  if (0 < num_errors) {
-    return num_errors;
-  }
-
-  RemoveFile(av[2]);
-
-  return num_errors;
-}