Merge branch 'bw/c-plus-plus'

Avoid using identifiers that clash with C++ keywords.  Even though
it is not a goal to compile Git with C++ compilers, changes like
this help use of code analysis tools that targets C++ on our
codebase.

* bw/c-plus-plus: (37 commits)
  replace: rename 'new' variables
  trailer: rename 'template' variables
  tempfile: rename 'template' variables
  wrapper: rename 'template' variables
  environment: rename 'namespace' variables
  diff: rename 'template' variables
  environment: rename 'template' variables
  init-db: rename 'template' variables
  unpack-trees: rename 'new' variables
  trailer: rename 'new' variables
  submodule: rename 'new' variables
  split-index: rename 'new' variables
  remote: rename 'new' variables
  ref-filter: rename 'new' variables
  read-cache: rename 'new' variables
  line-log: rename 'new' variables
  imap-send: rename 'new' variables
  http: rename 'new' variables
  entry: rename 'new' variables
  diffcore-delta: rename 'new' variables
  ...

1 files changed, 61 insertions, 61 deletions

diff --git a/apply.c b/apply.c
index 7c88d4ee71..f8f15edc7c 100644
--- a/apply.c
+++ b/apply.c
@@ -2301,7 +2301,7 @@ static void update_pre_post_images(struct image *preimage,
 				   size_t len, size_t postlen)
 {
 	int i, ctx, reduced;
-	char *new, *old, *fixed;
+	char *new_buf, *old_buf, *fixed;
 	struct image fixed_preimage;
 
 	/*
@@ -2327,25 +2327,25 @@ static void update_pre_post_images(struct image *preimage,
 	 * We trust the caller to tell us if the update can be done
 	 * in place (postlen==0) or not.
 	 */
-	old = postimage->buf;
+	old_buf = postimage->buf;
 	if (postlen)
-		new = postimage->buf = xmalloc(postlen);
+		new_buf = postimage->buf = xmalloc(postlen);
 	else
-		new = old;
+		new_buf = old_buf;
 	fixed = preimage->buf;
 
 	for (i = reduced = ctx = 0; i < postimage->nr; i++) {
 		size_t l_len = postimage->line[i].len;
 		if (!(postimage->line[i].flag & LINE_COMMON)) {
 			/* an added line -- no counterparts in preimage */
-			memmove(new, old, l_len);
-			old += l_len;
-			new += l_len;
+			memmove(new_buf, old_buf, l_len);
+			old_buf += l_len;
+			new_buf += l_len;
 			continue;
 		}
 
 		/* a common context -- skip it in the original postimage */
-		old += l_len;
+		old_buf += l_len;
 
 		/* and find the corresponding one in the fixed preimage */
 		while (ctx < preimage->nr &&
@@ -2365,29 +2365,29 @@ static void update_pre_post_images(struct image *preimage,
 
 		/* and copy it in, while fixing the line length */
 		l_len = preimage->line[ctx].len;
-		memcpy(new, fixed, l_len);
-		new += l_len;
+		memcpy(new_buf, fixed, l_len);
+		new_buf += l_len;
 		fixed += l_len;
 		postimage->line[i].len = l_len;
 		ctx++;
 	}
 
 	if (postlen
-	    ? postlen < new - postimage->buf
-	    : postimage->len < new - postimage->buf)
+	    ? postlen < new_buf - postimage->buf
+	    : postimage->len < new_buf - postimage->buf)
 		die("BUG: caller miscounted postlen: asked %d, orig = %d, used = %d",
-		    (int)postlen, (int) postimage->len, (int)(new - postimage->buf));
+		    (int)postlen, (int) postimage->len, (int)(new_buf - postimage->buf));
 
 	/* Fix the length of the whole thing */
-	postimage->len = new - postimage->buf;
+	postimage->len = new_buf - postimage->buf;
 	postimage->nr -= reduced;
 }
 
 static int line_by_line_fuzzy_match(struct image *img,
 				    struct image *preimage,
 				    struct image *postimage,
-				    unsigned long try,
-				    int try_lno,
+				    unsigned long current,
+				    int current_lno,
 				    int preimage_limit)
 {
 	int i;
@@ -2404,9 +2404,9 @@ static int line_by_line_fuzzy_match(struct image *img,
 
 	for (i = 0; i < preimage_limit; i++) {
 		size_t prelen = preimage->line[i].len;
-		size_t imglen = img->line[try_lno+i].len;
+		size_t imglen = img->line[current_lno+i].len;
 
-		if (!fuzzy_matchlines(img->buf + try + imgoff, imglen,
+		if (!fuzzy_matchlines(img->buf + current + imgoff, imglen,
 				      preimage->buf + preoff, prelen))
 			return 0;
 		if (preimage->line[i].flag & LINE_COMMON)
@@ -2443,7 +2443,7 @@ static int line_by_line_fuzzy_match(struct image *img,
 	 */
 	extra_chars = preimage_end - preimage_eof;
 	strbuf_init(&fixed, imgoff + extra_chars);
-	strbuf_add(&fixed, img->buf + try, imgoff);
+	strbuf_add(&fixed, img->buf + current, imgoff);
 	strbuf_add(&fixed, preimage_eof, extra_chars);
 	fixed_buf = strbuf_detach(&fixed, &fixed_len);
 	update_pre_post_images(preimage, postimage,
@@ -2455,8 +2455,8 @@ static int match_fragment(struct apply_state *state,
 			  struct image *img,
 			  struct image *preimage,
 			  struct image *postimage,
-			  unsigned long try,
-			  int try_lno,
+			  unsigned long current,
+			  int current_lno,
 			  unsigned ws_rule,
 			  int match_beginning, int match_end)
 {
@@ -2466,12 +2466,12 @@ static int match_fragment(struct apply_state *state,
 	size_t fixed_len, postlen;
 	int preimage_limit;
 
-	if (preimage->nr + try_lno <= img->nr) {
+	if (preimage->nr + current_lno <= img->nr) {
 		/*
 		 * The hunk falls within the boundaries of img.
 		 */
 		preimage_limit = preimage->nr;
-		if (match_end && (preimage->nr + try_lno != img->nr))
+		if (match_end && (preimage->nr + current_lno != img->nr))
 			return 0;
 	} else if (state->ws_error_action == correct_ws_error &&
 		   (ws_rule & WS_BLANK_AT_EOF)) {
@@ -2482,7 +2482,7 @@ static int match_fragment(struct apply_state *state,
 		 * match with img, and the remainder of the preimage
 		 * must be blank.
 		 */
-		preimage_limit = img->nr - try_lno;
+		preimage_limit = img->nr - current_lno;
 	} else {
 		/*
 		 * The hunk extends beyond the end of the img and
@@ -2492,27 +2492,27 @@ static int match_fragment(struct apply_state *state,
 		return 0;
 	}
 
-	if (match_beginning && try_lno)
+	if (match_beginning && current_lno)
 		return 0;
 
 	/* Quick hash check */
 	for (i = 0; i < preimage_limit; i++)
-		if ((img->line[try_lno + i].flag & LINE_PATCHED) ||
-		    (preimage->line[i].hash != img->line[try_lno + i].hash))
+		if ((img->line[current_lno + i].flag & LINE_PATCHED) ||
+		    (preimage->line[i].hash != img->line[current_lno + i].hash))
 			return 0;
 
 	if (preimage_limit == preimage->nr) {
 		/*
 		 * Do we have an exact match?  If we were told to match
-		 * at the end, size must be exactly at try+fragsize,
-		 * otherwise try+fragsize must be still within the preimage,
+		 * at the end, size must be exactly at current+fragsize,
+		 * otherwise current+fragsize must be still within the preimage,
 		 * and either case, the old piece should match the preimage
 		 * exactly.
 		 */
 		if ((match_end
-		     ? (try + preimage->len == img->len)
-		     : (try + preimage->len <= img->len)) &&
-		    !memcmp(img->buf + try, preimage->buf, preimage->len))
+		     ? (current + preimage->len == img->len)
+		     : (current + preimage->len <= img->len)) &&
+		    !memcmp(img->buf + current, preimage->buf, preimage->len))
 			return 1;
 	} else {
 		/*
@@ -2543,7 +2543,7 @@ static int match_fragment(struct apply_state *state,
 	 */
 	if (state->ws_ignore_action == ignore_ws_change)
 		return line_by_line_fuzzy_match(img, preimage, postimage,
-						try, try_lno, preimage_limit);
+						current, current_lno, preimage_limit);
 
 	if (state->ws_error_action != correct_ws_error)
 		return 0;
@@ -2577,10 +2577,10 @@ static int match_fragment(struct apply_state *state,
 	 */
 	strbuf_init(&fixed, preimage->len + 1);
 	orig = preimage->buf;
-	target = img->buf + try;
+	target = img->buf + current;
 	for (i = 0; i < preimage_limit; i++) {
 		size_t oldlen = preimage->line[i].len;
-		size_t tgtlen = img->line[try_lno + i].len;
+		size_t tgtlen = img->line[current_lno + i].len;
 		size_t fixstart = fixed.len;
 		struct strbuf tgtfix;
 		int match;
@@ -2666,8 +2666,8 @@ static int find_pos(struct apply_state *state,
 		    int match_beginning, int match_end)
 {
 	int i;
-	unsigned long backwards, forwards, try;
-	int backwards_lno, forwards_lno, try_lno;
+	unsigned long backwards, forwards, current;
+	int backwards_lno, forwards_lno, current_lno;
 
 	/*
 	 * If match_beginning or match_end is specified, there is no
@@ -2687,25 +2687,25 @@ static int find_pos(struct apply_state *state,
 	if ((size_t) line > img->nr)
 		line = img->nr;
 
-	try = 0;
+	current = 0;
 	for (i = 0; i < line; i++)
-		try += img->line[i].len;
+		current += img->line[i].len;
 
 	/*
 	 * There's probably some smart way to do this, but I'll leave
 	 * that to the smart and beautiful people. I'm simple and stupid.
 	 */
-	backwards = try;
+	backwards = current;
 	backwards_lno = line;
-	forwards = try;
+	forwards = current;
 	forwards_lno = line;
-	try_lno = line;
+	current_lno = line;
 
 	for (i = 0; ; i++) {
 		if (match_fragment(state, img, preimage, postimage,
-				   try, try_lno, ws_rule,
+				   current, current_lno, ws_rule,
 				   match_beginning, match_end))
-			return try_lno;
+			return current_lno;
 
 	again:
 		if (backwards_lno == 0 && forwards_lno == img->nr)
@@ -2718,8 +2718,8 @@ static int find_pos(struct apply_state *state,
 			}
 			backwards_lno--;
 			backwards -= img->line[backwards_lno].len;
-			try = backwards;
-			try_lno = backwards_lno;
+			current = backwards;
+			current_lno = backwards_lno;
 		} else {
 			if (forwards_lno == img->nr) {
 				i++;
@@ -2727,8 +2727,8 @@ static int find_pos(struct apply_state *state,
 			}
 			forwards += img->line[forwards_lno].len;
 			forwards_lno++;
-			try = forwards;
-			try_lno = forwards_lno;
+			current = forwards;
+			current_lno = forwards_lno;
 		}
 
 	}
@@ -4163,30 +4163,30 @@ static void show_mode_change(struct patch *p, int show_name)
 static void show_rename_copy(struct patch *p)
 {
 	const char *renamecopy = p->is_rename ? "rename" : "copy";
-	const char *old, *new;
+	const char *old_name, *new_name;
 
 	/* Find common prefix */
-	old = p->old_name;
-	new = p->new_name;
+	old_name = p->old_name;
+	new_name = p->new_name;
 	while (1) {
 		const char *slash_old, *slash_new;
-		slash_old = strchr(old, '/');
-		slash_new = strchr(new, '/');
+		slash_old = strchr(old_name, '/');
+		slash_new = strchr(new_name, '/');
 		if (!slash_old ||
 		    !slash_new ||
-		    slash_old - old != slash_new - new ||
-		    memcmp(old, new, slash_new - new))
+		    slash_old - old_name != slash_new - new_name ||
+		    memcmp(old_name, new_name, slash_new - new_name))
 			break;
-		old = slash_old + 1;
-		new = slash_new + 1;
+		old_name = slash_old + 1;
+		new_name = slash_new + 1;
 	}
-	/* p->old_name thru old is the common prefix, and old and new
+	/* p->old_name thru old_name is the common prefix, and old_name and new_name
 	 * through the end of names are renames
 	 */
-	if (old != p->old_name)
+	if (old_name != p->old_name)
 		printf(" %s %.*s{%s => %s} (%d%%)\n", renamecopy,
-		       (int)(old - p->old_name), p->old_name,
-		       old, new, p->score);
+		       (int)(old_name - p->old_name), p->old_name,
+		       old_name, new_name, p->score);
 	else
 		printf(" %s %s => %s (%d%%)\n", renamecopy,
 		       p->old_name, p->new_name, p->score);