builtin-apply: minor cleanup of whitespace detection

Use 0 instead of -1 for the case where not tabs or spaces are found; it
will make some later math slightly simpler.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-apply.c b/builtin-apply.c
index 2edd83b..bd94a4b 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -1550,8 +1550,8 @@ static int apply_line(char *output, const char *patch, int plen,
        int i;
        int add_nl_to_tail = 0;
        int fixed = 0;
-       int last_tab_in_indent = -1;
-       int last_space_in_indent = -1;
+       int last_tab_in_indent = 0;
+       int last_space_in_indent = 0;
        int need_fix_leading_space = 0;
        char *buf;
 
@@ -1582,12 +1582,12 @@ static int apply_line(char *output, const char *patch, int plen,
                if (ch == '\t') {
                        last_tab_in_indent = i;
                        if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
-                           0 <= last_space_in_indent)
+                           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) &&
-                           last_tab_in_indent < 0 &&
+                           last_tab_in_indent <= 0 &&
                            8 <= i)
                                need_fix_leading_space = 1;
                }