From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001

From: Peter Jones <pjones@redhat.com>

Date: Thu, 11 Jul 2019 18:03:25 +0200

Subject: [PATCH] Attempt to fix up all the places -Wsign-compare=error finds.

Signed-off-by: Peter Jones <pjones@redhat.com>

---

 grub-core/kern/emu/misc.c                          |   2 +-

 grub-core/lib/reed_solomon.c                       |   4 +-

 grub-core/osdep/linux/blocklist.c                  |   2 +-

 grub-core/osdep/linux/getroot.c                    |   2 +-

 grub-core/osdep/linux/hostdisk.c                   |   2 +-

 util/grub-fstest.c                                 |   2 +-

 util/grub-menulst2cfg.c                            |   2 +-

 util/grub-mkfont.c                                 |  13 +-

 util/grub-probe.c                                  |   2 +-

 util/grub-rpm-sort.c                               |   2 +-

 util/setup.c                                       |   2 +-

 bootstrap.conf                                     |   3 +-

 .../gnulib-patches/fix-sign-compare-errors.patch   | 161 +++++++++++++++++++++

 13 files changed, 181 insertions(+), 18 deletions(-)

 create mode 100644 grub-core/lib/gnulib-patches/fix-sign-compare-errors.patch

diff --git a/grub-core/kern/emu/misc.c b/grub-core/kern/emu/misc.c

index eeea092752d..f08a1bb8415 100644

--- a/grub-core/kern/emu/misc.c

+++ b/grub-core/kern/emu/misc.c

@@ -189,7 +189,7 @@ grub_util_get_image_size (const char *path)

   sz = ftello (f);

   if (sz < 0)

     grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));

-  if (sz != (size_t) sz)

+  if (sz > (off_t)(GRUB_SIZE_MAX >> 1))

     grub_util_error (_("file `%s' is too big"), path);

   ret = (size_t) sz;

diff --git a/grub-core/lib/reed_solomon.c b/grub-core/lib/reed_solomon.c

index 467305b46ab..79037c093f7 100644

--- a/grub-core/lib/reed_solomon.c

+++ b/grub-core/lib/reed_solomon.c

@@ -157,7 +157,7 @@ static void

 rs_encode (gf_single_t *data, grub_size_t s, grub_size_t rs)

 {

   gf_single_t *rs_polynomial;

-  int i, j;

+  unsigned int i, j;

   gf_single_t *m;

   m = xcalloc (s + rs, sizeof (gf_single_t));

   grub_memcpy (m, data, s * sizeof (gf_single_t));

@@ -324,7 +324,7 @@ static void

 encode_block (gf_single_t *ptr, grub_size_t s,

 	      gf_single_t *rptr, grub_size_t rs)

 {

-  int i, j;

+  unsigned int i, j;

   for (i = 0; i < SECTOR_SIZE; i++)

     {

       grub_size_t ds = (s + SECTOR_SIZE - 1 - i) / SECTOR_SIZE;

diff --git a/grub-core/osdep/linux/blocklist.c b/grub-core/osdep/linux/blocklist.c

index c77d6085ccb..42a315031ff 100644

--- a/grub-core/osdep/linux/blocklist.c

+++ b/grub-core/osdep/linux/blocklist.c

@@ -109,7 +109,7 @@ grub_install_get_blocklist (grub_device_t root_dev,

   else

     {

       struct fiemap *fie2;

-      int i;

+      unsigned int i;

       fie2 = xmalloc (sizeof (*fie2)

 		      + fie1.fm_mapped_extents

 		      * sizeof (fie1.fm_extents[1]));

diff --git a/grub-core/osdep/linux/getroot.c b/grub-core/osdep/linux/getroot.c

index 28790307e00..9f730b35189 100644

--- a/grub-core/osdep/linux/getroot.c

+++ b/grub-core/osdep/linux/getroot.c

@@ -236,7 +236,7 @@ grub_find_root_devices_from_btrfs (const char *dir)

 {

   int fd;

   struct btrfs_ioctl_fs_info_args fsi;

-  int i, j = 0;

+  unsigned int i, j = 0;

   char **ret;

   fd = open (dir, 0);

diff --git a/grub-core/osdep/linux/hostdisk.c b/grub-core/osdep/linux/hostdisk.c

index da62f924e35..7bc99ac1c1d 100644

--- a/grub-core/osdep/linux/hostdisk.c

+++ b/grub-core/osdep/linux/hostdisk.c

@@ -83,7 +83,7 @@ grub_util_get_fd_size_os (grub_util_fd_t fd, const char *name, unsigned *log_sec

   if (sector_size & (sector_size - 1) || !sector_size)

     return -1;

   for (log_sector_size = 0;

-       (1 << log_sector_size) < sector_size;

+       (1U << log_sector_size) < sector_size;

        log_sector_size++);

   if (log_secsize)

diff --git a/util/grub-fstest.c b/util/grub-fstest.c

index 83865642009..bfcef852d83 100644

--- a/util/grub-fstest.c

+++ b/util/grub-fstest.c

@@ -323,7 +323,7 @@ cmd_cmp (char *src, char *dest)

   read_file (src, cmp_hook, ff);

   {

-    grub_uint64_t pre;

+    long long pre;

     pre = ftell (ff);

     fseek (ff, 0, SEEK_END);

     if (pre != ftell (ff))

diff --git a/util/grub-menulst2cfg.c b/util/grub-menulst2cfg.c

index a39f8693947..358d604210b 100644

--- a/util/grub-menulst2cfg.c

+++ b/util/grub-menulst2cfg.c

@@ -34,7 +34,7 @@ main (int argc, char **argv)

   char *buf = NULL;

   size_t bufsize = 0;

   char *suffix = xstrdup ("");

-  int suffixlen = 0;

+  size_t suffixlen = 0;

   const char *out_fname = 0;

   grub_util_host_init (&argc, &argv);

diff --git a/util/grub-mkfont.c b/util/grub-mkfont.c

index 0fe45a6103d..3e09240b99f 100644

--- a/util/grub-mkfont.c

+++ b/util/grub-mkfont.c

@@ -138,7 +138,8 @@ add_glyph (struct grub_font_info *font_info, FT_UInt glyph_idx, FT_Face face,

   int width, height;

   int cuttop, cutbottom, cutleft, cutright;

   grub_uint8_t *data;

-  int mask, i, j, bitmap_size;

+  int mask, i, bitmap_size;

+  unsigned int j;

   FT_GlyphSlot glyph;

   int flag = FT_LOAD_RENDER | FT_LOAD_MONOCHROME;

   FT_Error err;

@@ -183,7 +184,7 @@ add_glyph (struct grub_font_info *font_info, FT_UInt glyph_idx, FT_Face face,

     cuttop = cutbottom = cutleft = cutright = 0;

   else

     {

-      for (cuttop = 0; cuttop < glyph->bitmap.rows; cuttop++)

+      for (cuttop = 0; cuttop < (long)glyph->bitmap.rows; cuttop++)

 	{

 	  for (j = 0; j < glyph->bitmap.width; j++)

 	    if (glyph->bitmap.buffer[j / 8 + cuttop * glyph->bitmap.pitch]

@@ -203,10 +204,10 @@ add_glyph (struct grub_font_info *font_info, FT_UInt glyph_idx, FT_Face face,

 	    break;

 	}

       cutbottom = glyph->bitmap.rows - 1 - cutbottom;

-      if (cutbottom + cuttop >= glyph->bitmap.rows)

+      if (cutbottom + cuttop >= (long)glyph->bitmap.rows)

 	cutbottom = 0;

-      for (cutleft = 0; cutleft < glyph->bitmap.width; cutleft++)

+      for (cutleft = 0; cutleft < (long)glyph->bitmap.width; cutleft++)

 	{

 	  for (j = 0; j < glyph->bitmap.rows; j++)

 	    if (glyph->bitmap.buffer[cutleft / 8 + j * glyph->bitmap.pitch]

@@ -225,7 +226,7 @@ add_glyph (struct grub_font_info *font_info, FT_UInt glyph_idx, FT_Face face,

 	    break;

 	}

       cutright = glyph->bitmap.width - 1 - cutright;

-      if (cutright + cutleft >= glyph->bitmap.width)

+      if (cutright + cutleft >= (long)glyph->bitmap.width)

 	cutright = 0;

     }

@@ -262,7 +263,7 @@ add_glyph (struct grub_font_info *font_info, FT_UInt glyph_idx, FT_Face face,

   mask = 0;

   data = &glyph_info->bitmap[0] - 1;

-  for (j = cuttop; j < height + cuttop; j++)

+  for (j = cuttop; j < (long)height + cuttop; j++)

     for (i = cutleft; i < width + cutleft; i++)

       add_pixel (&data, &mask,

 		 glyph->bitmap.buffer[i / 8 + j * glyph->bitmap.pitch] &

diff --git a/util/grub-probe.c b/util/grub-probe.c

index c08e46bbb40..c6fac732b40 100644

--- a/util/grub-probe.c

+++ b/util/grub-probe.c

@@ -798,7 +798,7 @@ argp_parser (int key, char *arg, struct argp_state *state)

     case 't':

       {

-	int i;

+	unsigned int i;

 	for (i = PRINT_FS; i < ARRAY_SIZE (targets); i++)

 	  if (strcmp (arg, targets[i]) == 0)

diff --git a/util/grub-rpm-sort.c b/util/grub-rpm-sort.c

index f33bd1ed568..8345944105f 100644

--- a/util/grub-rpm-sort.c

+++ b/util/grub-rpm-sort.c

@@ -232,7 +232,7 @@ main (int argc, char *argv[])

   struct arguments arguments;

   char **package_names = NULL;

   size_t n_package_names = 0;

-  int i;

+  unsigned int i;

   grub_util_host_init (&argc, &argv);

diff --git a/util/setup.c b/util/setup.c

index da5f2c07f50..8b22bb8ccac 100644

--- a/util/setup.c

+++ b/util/setup.c

@@ -406,7 +406,7 @@ SETUP (const char *dir,

     int is_ldm;

     grub_err_t err;

     grub_disk_addr_t *sectors;

-    int i;

+    unsigned int i;

     grub_fs_t fs;

     unsigned int nsec, maxsec;

diff --git a/bootstrap.conf b/bootstrap.conf

index 6b043fc354c..186be9c48ce 100644

--- a/bootstrap.conf

+++ b/bootstrap.conf

@@ -80,7 +80,8 @@ cp -a INSTALL INSTALL.grub

 bootstrap_post_import_hook () {

   set -e

   for patchname in fix-base64 fix-null-deref fix-null-state-deref fix-regcomp-uninit-token \

-      fix-regexec-null-deref fix-uninit-structure fix-unused-value fix-width no-abort; do

+      fix-regexec-null-deref fix-uninit-structure fix-unused-value fix-width no-abort \

+      fix-sign-compare-errors; do

     patch -d grub-core/lib/gnulib -p2 \

       < "grub-core/lib/gnulib-patches/$patchname.patch"

   done

diff --git a/grub-core/lib/gnulib-patches/fix-sign-compare-errors.patch b/grub-core/lib/gnulib-patches/fix-sign-compare-errors.patch

new file mode 100644

index 00000000000..479029c0565

--- /dev/null

+++ b/grub-core/lib/gnulib-patches/fix-sign-compare-errors.patch

@@ -0,0 +1,161 @@

+diff --git a/lib/regcomp.c b/lib/regcomp.c

+index cc85f35ac58..361079d82d6 100644

+--- a/lib/regcomp.c

++++ b/lib/regcomp.c

+@@ -322,7 +322,7 @@ re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,

+ 		*p++ = dfa->nodes[node].opr.c;

+ 	      memset (&state, '\0', sizeof (state));

+ 	      if (__mbrtowc (&wc, (const char *) buf, p - buf,

+-			     &state) == p - buf

++			     &state) == (size_t)(p - buf)

+ 		  && (__wcrtomb ((char *) buf, __towlower (wc), &state)

+ 		      != (size_t) -1))

+ 		re_set_fastmap (fastmap, false, buf[0]);

+@@ -3778,7 +3778,7 @@ fetch_number (re_string_t *input, re_token_t *token, reg_syntax_t syntax)

+       num = ((token->type != CHARACTER || c < '0' || '9' < c || num == -2)

+ 	     ? -2

+ 	     : num == -1

+-	     ? c - '0'

++	     ? (Idx)(c - '0')

+ 	     : MIN (RE_DUP_MAX + 1, num * 10 + c - '0'));

+     }

+   return num;

+diff --git a/lib/regex_internal.c b/lib/regex_internal.c

+index 9004ce809eb..193a1e3d332 100644

+--- a/lib/regex_internal.c

++++ b/lib/regex_internal.c

+@@ -233,7 +233,7 @@ build_wcs_buffer (re_string_t *pstr)

+       /* Apply the translation if we need.  */

+       if (__glibc_unlikely (pstr->trans != NULL))

+ 	{

+-	  int i, ch;

++	  unsigned int i, ch;

+ 

+ 	  for (i = 0; i < pstr->mb_cur_max && i < remain_len; ++i)

+ 	    {

+@@ -376,7 +376,7 @@ build_wcs_upper_buffer (re_string_t *pstr)

+ 	prev_st = pstr->cur_state;

+ 	if (__glibc_unlikely (pstr->trans != NULL))

+ 	  {

+-	    int i, ch;

++	    unsigned int i, ch;

+ 

+ 	    for (i = 0; i < pstr->mb_cur_max && i < remain_len; ++i)

+ 	      {

+@@ -754,7 +754,7 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)

+ 			  memset (&cur_state, 0, sizeof (cur_state));

+ 			  mbclen = __mbrtowc (&wc2, (const char *) pp, mlen,

+ 					      &cur_state);

+-			  if (raw + offset - p <= mbclen

++			  if ((size_t)(raw + offset - p) <= mbclen

+ 			      && mbclen < (size_t) -2)

+ 			    {

+ 			      memset (&pstr->cur_state, '\0',

+diff --git a/lib/regex_internal.h b/lib/regex_internal.h

+index 5462419b787..e0f8292395d 100644

+--- a/lib/regex_internal.h

++++ b/lib/regex_internal.h

+@@ -425,7 +425,7 @@ struct re_string_t

+   unsigned char offsets_needed;

+   unsigned char newline_anchor;

+   unsigned char word_ops_used;

+-  int mb_cur_max;

++  unsigned int mb_cur_max;

+ };

+ typedef struct re_string_t re_string_t;

+ 

+@@ -702,7 +702,7 @@ struct re_dfa_t

+   unsigned int is_utf8 : 1;

+   unsigned int map_notascii : 1;

+   unsigned int word_ops_used : 1;

+-  int mb_cur_max;

++  unsigned int mb_cur_max;

+   bitset_t word_char;

+   reg_syntax_t syntax;

+   Idx *subexp_map;

+diff --git a/lib/regexec.c b/lib/regexec.c

+index 0a7a27b772e..b57d4f9141d 100644

+--- a/lib/regexec.c

++++ b/lib/regexec.c

+@@ -443,7 +443,7 @@ re_search_stub (struct re_pattern_buffer *bufp, const char *string, Idx length,

+     {

+       if (ret_len)

+ 	{

+-	  assert (pmatch[0].rm_so == start);

++	  assert (pmatch[0].rm_so == (long)start);

+ 	  rval = pmatch[0].rm_eo - start;

+ 	}

+       else

+@@ -877,11 +877,11 @@ re_search_internal (const regex_t *preg, const char *string, Idx length,

+ 	    if (__glibc_unlikely (mctx.input.offsets_needed != 0))

+ 	      {

+ 		pmatch[reg_idx].rm_so =

+-		  (pmatch[reg_idx].rm_so == mctx.input.valid_len

++		  (pmatch[reg_idx].rm_so == (long)mctx.input.valid_len

+ 		   ? mctx.input.valid_raw_len

+ 		   : mctx.input.offsets[pmatch[reg_idx].rm_so]);

+ 		pmatch[reg_idx].rm_eo =

+-		  (pmatch[reg_idx].rm_eo == mctx.input.valid_len

++		  (pmatch[reg_idx].rm_eo == (long)mctx.input.valid_len

+ 		   ? mctx.input.valid_raw_len

+ 		   : mctx.input.offsets[pmatch[reg_idx].rm_eo]);

+ 	      }

+@@ -1418,11 +1418,11 @@ set_regs (const regex_t *preg, const re_match_context_t *mctx, size_t nmatch,

+     }

+   memcpy (prev_idx_match, pmatch, sizeof (regmatch_t) * nmatch);

+ 

+-  for (idx = pmatch[0].rm_so; idx <= pmatch[0].rm_eo ;)

++  for (idx = pmatch[0].rm_so; idx <= (long)pmatch[0].rm_eo ;)

+     {

+       update_regs (dfa, pmatch, prev_idx_match, cur_node, idx, nmatch);

+ 

+-      if (idx == pmatch[0].rm_eo && cur_node == mctx->last_node)

++      if (idx == (long)pmatch[0].rm_eo && cur_node == mctx->last_node)

+ 	{

+ 	  Idx reg_idx;

+ 	  if (fs)

+@@ -1519,7 +1519,7 @@ update_regs (const re_dfa_t *dfa, regmatch_t *pmatch,

+       if (reg_num < nmatch)

+ 	{

+ 	  /* We are at the last node of this sub expression.  */

+-	  if (pmatch[reg_num].rm_so < cur_idx)

++	  if (pmatch[reg_num].rm_so < (long)cur_idx)

+ 	    {

+ 	      pmatch[reg_num].rm_eo = cur_idx;

+ 	      /* This is a non-empty match or we are not inside an optional

+@@ -2938,7 +2938,7 @@ check_arrival (re_match_context_t *mctx, state_array_t *path, Idx top_node,

+       mctx->state_log[str_idx] = cur_state;

+     }

+ 

+-  for (null_cnt = 0; str_idx < last_str && null_cnt <= mctx->max_mb_elem_len;)

++  for (null_cnt = 0; str_idx < last_str && null_cnt <= (long)mctx->max_mb_elem_len;)

+     {

+       re_node_set_empty (&next_nodes);

+       if (mctx->state_log[str_idx + 1])

+@@ -3718,7 +3718,7 @@ check_node_accept_bytes (const re_dfa_t *dfa, Idx node_idx,

+ 			 const re_string_t *input, Idx str_idx)

+ {

+   const re_token_t *node = dfa->nodes + node_idx;

+-  int char_len, elem_len;

++  unsigned int char_len, elem_len;

+   Idx i;

+ 

+   if (__glibc_unlikely (node->type == OP_UTF8_PERIOD))

+@@ -4066,7 +4066,7 @@ extend_buffers (re_match_context_t *mctx, int min_len)

+   /* Double the lengths of the buffers, but allocate at least MIN_LEN.  */

+   ret = re_string_realloc_buffers (pstr,

+ 				   MAX (min_len,

+-					MIN (pstr->len, pstr->bufs_len * 2)));

++					MIN ((long)pstr->len, pstr->bufs_len * 2)));

+   if (__glibc_unlikely (ret != REG_NOERROR))

+     return ret;

+ 

+@@ -4236,7 +4236,7 @@ match_ctx_add_entry (re_match_context_t *mctx, Idx node, Idx str_idx, Idx from,

+     = (from == to ? -1 : 0);

+ 

+   mctx->bkref_ents[mctx->nbkref_ents++].more = 0;

+-  if (mctx->max_mb_elem_len < to - from)

++  if (mctx->max_mb_elem_len < (long)(to - from))

+     mctx->max_mb_elem_len = to - from;

+   return REG_NOERROR;

+ }