gitweb.js: Harden setting blamed commit info in incremental blame

diff --git a/ws.c b/ws.c
index b1efcd9d753a29d295702b36fb1beba58fb16995..8d855b7fd5d0a74da04acfdd3e78182cc798b6fe 100644 (file)
--- a/ws.c
+++ b/ws.c
@@ -10,11 +10,12 @@
 static struct whitespace_rule {
        const char *rule_name;
        unsigned rule_bits;
+       unsigned loosens_error;
 } whitespace_rule_names[] = {
-       { "trailing-space", WS_TRAILING_SPACE },
-       { "space-before-tab", WS_SPACE_BEFORE_TAB },
-       { "indent-with-non-tab", WS_INDENT_WITH_NON_TAB },
-       { "cr-at-eol", WS_CR_AT_EOL },
+       { "trailing-space", WS_TRAILING_SPACE, 0 },
+       { "space-before-tab", WS_SPACE_BEFORE_TAB, 0 },
+       { "indent-with-non-tab", WS_INDENT_WITH_NON_TAB, 0 },
+       { "cr-at-eol", WS_CR_AT_EOL, 1 },
 };
 
 unsigned parse_whitespace_rule(const char *string)
@@ -79,7 +80,8 @@ unsigned whitespace_rule(const char *pathname)
                        unsigned all_rule = 0;
                        int i;
                        for (i = 0; i < ARRAY_SIZE(whitespace_rule_names); i++)
-                               all_rule |= whitespace_rule_names[i].rule_bits;
+                               if (!whitespace_rule_names[i].loosens_error)
+                                       all_rule |= whitespace_rule_names[i].rule_bits;
                        return all_rule;
                } else if (ATTR_FALSE(value)) {
                        /* false (-whitespace) */
@@ -259,9 +261,8 @@ int ws_fix_copy(char *dst, const char *src, int len, unsigned ws_rule, int *erro
        /*
         * Strip trailing whitespace
         */
-       if ((ws_rule & WS_TRAILING_SPACE) &&
-           (2 <= len && isspace(src[len-2]))) {
-               if (src[len - 1] == '\n') {
+       if (ws_rule & WS_TRAILING_SPACE) {
+               if (1 < len && src[len - 1] == '\n') {
                        add_nl_to_tail = 1;
                        len--;
                        if (1 < len && src[len - 1] == '\r') {