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-rw-r--r--xdiff/xutils.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index 04ad468702..9411fa96a1 100644
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -242,18 +242,20 @@ static unsigned long xdl_hash_record_with_whitespace(char const **data,
for (; ptr < top && *ptr != '\n'; ptr++) {
if (isspace(*ptr)) {
const char *ptr2 = ptr;
+ int at_eol;
while (ptr + 1 < top && isspace(ptr[1])
&& ptr[1] != '\n')
ptr++;
+ at_eol = (top <= ptr + 1 || ptr[1] == '\n');
if (flags & XDF_IGNORE_WHITESPACE)
; /* already handled */
else if (flags & XDF_IGNORE_WHITESPACE_CHANGE
- && ptr[1] != '\n') {
+ && !at_eol) {
ha += (ha << 5);
ha ^= (unsigned long) ' ';
}
else if (flags & XDF_IGNORE_WHITESPACE_AT_EOL
- && ptr[1] != '\n') {
+ && !at_eol) {
while (ptr2 != ptr + 1) {
ha += (ha << 5);
ha ^= (unsigned long) *ptr2;