builtin-apply.c: move copy_wsfix() function a bit higher.

I'll be calling this from match_fragment() in later rounds.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-apply.c b/builtin-apply.c
index 0bc33bdd523d3edd56f4be30f9cd5fc741f24a7a..2af625a43587c5ee46f450dde264266c50e8d59b 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -1515,6 +1515,100 @@ static int read_old_data(struct stat *st, const char *path, struct strbuf *buf)
        }
 }
 
+static int copy_wsfix(char *output, const char *patch, int plen,
+                     unsigned ws_rule)
+{
+       /*
+        * plen is number of bytes to be copied from patch, starting
+        * at patch.  Typically patch[plen-1] is '\n', unless this is
+        * the incomplete last line.
+        */
+       int i;
+       int add_nl_to_tail = 0;
+       int fixed = 0;
+       int last_tab_in_indent = -1;
+       int last_space_in_indent = -1;
+       int need_fix_leading_space = 0;
+       char *buf;
+
+       /*
+        * Strip trailing whitespace
+        */
+       if ((ws_rule & WS_TRAILING_SPACE) &&
+           (2 < plen && isspace(patch[plen-2]))) {
+               if (patch[plen-1] == '\n')
+                       add_nl_to_tail = 1;
+               plen--;
+               while (0 < plen && isspace(patch[plen-1]))
+                       plen--;
+               fixed = 1;
+       }
+
+       /*
+        * Check leading whitespaces (indent)
+        */
+       for (i = 0; i < plen; i++) {
+               char ch = patch[i];
+               if (ch == '\t') {
+                       last_tab_in_indent = i;
+                       if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
+                           0 <= last_space_in_indent)
+                           need_fix_leading_space = 1;
+               } else if (ch == ' ') {
+                       last_space_in_indent = i;
+                       if ((ws_rule & WS_INDENT_WITH_NON_TAB) &&
+                           8 <= i - last_tab_in_indent)
+                               need_fix_leading_space = 1;
+               } else
+                       break;
+       }
+
+       buf = output;
+       if (need_fix_leading_space) {
+               /* Process indent ourselves */
+               int consecutive_spaces = 0;
+               int last = last_tab_in_indent + 1;
+
+               if (ws_rule & WS_INDENT_WITH_NON_TAB) {
+                       /* have "last" point at one past the indent */
+                       if (last_tab_in_indent < last_space_in_indent)
+                               last = last_space_in_indent + 1;
+                       else
+                               last = last_tab_in_indent + 1;
+               }
+
+               /*
+                * between patch[0..last-1], strip the funny spaces,
+                * updating them to tab as needed.
+                */
+               for (i = 0; i < last; i++) {
+                       char ch = patch[i];
+                       if (ch != ' ') {
+                               consecutive_spaces = 0;
+                               *output++ = ch;
+                       } else {
+                               consecutive_spaces++;
+                               if (consecutive_spaces == 8) {
+                                       *output++ = '\t';
+                                       consecutive_spaces = 0;
+                               }
+                       }
+               }
+               while (0 < consecutive_spaces--)
+                       *output++ = ' ';
+               plen -= last;
+               patch += last;
+               fixed = 1;
+       }
+
+       memcpy(output, patch, plen);
+       if (add_nl_to_tail)
+               output[plen++] = '\n';
+       if (fixed)
+               applied_after_fixing_ws++;
+       return output + plen - buf;
+}
+
 static int match_fragment(struct image *img,
                          struct image *preimage,
                          struct image *postimage,
@@ -1642,100 +1736,6 @@ static void remove_last_line(struct image *img)
        img->len -= img->line[--img->nr].len;
 }
 
-static int copy_wsfix(char *output, const char *patch, int plen,
-                     unsigned ws_rule)
-{
-       /*
-        * plen is number of bytes to be copied from patch, starting
-        * at patch.  Typically patch[plen-1] is '\n', unless this is
-        * the incomplete last line.
-        */
-       int i;
-       int add_nl_to_tail = 0;
-       int fixed = 0;
-       int last_tab_in_indent = -1;
-       int last_space_in_indent = -1;
-       int need_fix_leading_space = 0;
-       char *buf;
-
-       /*
-        * Strip trailing whitespace
-        */
-       if ((ws_rule & WS_TRAILING_SPACE) &&
-           (2 < plen && isspace(patch[plen-2]))) {
-               if (patch[plen-1] == '\n')
-                       add_nl_to_tail = 1;
-               plen--;
-               while (0 < plen && isspace(patch[plen-1]))
-                       plen--;
-               fixed = 1;
-       }
-
-       /*
-        * Check leading whitespaces (indent)
-        */
-       for (i = 0; i < plen; i++) {
-               char ch = patch[i];
-               if (ch == '\t') {
-                       last_tab_in_indent = i;
-                       if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
-                           0 <= last_space_in_indent)
-                           need_fix_leading_space = 1;
-               } else if (ch == ' ') {
-                       last_space_in_indent = i;
-                       if ((ws_rule & WS_INDENT_WITH_NON_TAB) &&
-                           8 <= i - last_tab_in_indent)
-                               need_fix_leading_space = 1;
-               } else
-                       break;
-       }
-
-       buf = output;
-       if (need_fix_leading_space) {
-               /* Process indent ourselves */
-               int consecutive_spaces = 0;
-               int last = last_tab_in_indent + 1;
-
-               if (ws_rule & WS_INDENT_WITH_NON_TAB) {
-                       /* have "last" point at one past the indent */
-                       if (last_tab_in_indent < last_space_in_indent)
-                               last = last_space_in_indent + 1;
-                       else
-                               last = last_tab_in_indent + 1;
-               }
-
-               /*
-                * between patch[0..last-1], strip the funny spaces,
-                * updating them to tab as needed.
-                */
-               for (i = 0; i < last; i++) {
-                       char ch = patch[i];
-                       if (ch != ' ') {
-                               consecutive_spaces = 0;
-                               *output++ = ch;
-                       } else {
-                               consecutive_spaces++;
-                               if (consecutive_spaces == 8) {
-                                       *output++ = '\t';
-                                       consecutive_spaces = 0;
-                               }
-                       }
-               }
-               while (0 < consecutive_spaces--)
-                       *output++ = ' ';
-               plen -= last;
-               patch += last;
-               fixed = 1;
-       }
-
-       memcpy(output, patch, plen);
-       if (add_nl_to_tail)
-               output[plen++] = '\n';
-       if (fixed)
-               applied_after_fixing_ws++;
-       return output + plen - buf;
-}
-
 static void update_image(struct image *img,
                         int applied_pos,
                         struct image *preimage,