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-rw-r--r--xdiff/xmacros.h1
-rw-r--r--xdiff/xmerge.c19
-rw-r--r--xdiff/xutils.c22
3 files changed, 22 insertions, 20 deletions
diff --git a/xdiff/xmacros.h b/xdiff/xmacros.h
index 8ef232cfad..165a895a93 100644
--- a/xdiff/xmacros.h
+++ b/xdiff/xmacros.h
@@ -30,6 +30,7 @@
#define XDL_MAX(a, b) ((a) > (b) ? (a): (b))
#define XDL_ABS(v) ((v) >= 0 ? (v): -(v))
#define XDL_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
+#define XDL_ISSPACE(c) (isspace((unsigned char)(c)))
#define XDL_ADDBITS(v,b) ((v) + ((v) >> (b)))
#define XDL_MASKBITS(b) ((1UL << (b)) - 1)
#define XDL_HASHLONG(v,b) (XDL_ADDBITS((unsigned long)(v), b) & XDL_MASKBITS(b))
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index 16dd9acd37..9e13b25abc 100644
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -152,7 +152,6 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
int marker1_size = (name1 ? strlen(name1) + 1 : 0);
int marker2_size = (name2 ? strlen(name2) + 1 : 0);
int marker3_size = (name3 ? strlen(name3) + 1 : 0);
- int j;
if (marker_size <= 0)
marker_size = DEFAULT_CONFLICT_MARKER_SIZE;
@@ -164,8 +163,8 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
if (!dest) {
size += marker_size + 1 + marker1_size;
} else {
- for (j = 0; j < marker_size; j++)
- dest[size++] = '<';
+ memset(dest + size, '<', marker_size);
+ size += marker_size;
if (marker1_size) {
dest[size] = ' ';
memcpy(dest + size + 1, name1, marker1_size - 1);
@@ -183,8 +182,8 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
if (!dest) {
size += marker_size + 1 + marker3_size;
} else {
- for (j = 0; j < marker_size; j++)
- dest[size++] = '|';
+ memset(dest + size, '|', marker_size);
+ size += marker_size;
if (marker3_size) {
dest[size] = ' ';
memcpy(dest + size + 1, name3, marker3_size - 1);
@@ -199,8 +198,8 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
if (!dest) {
size += marker_size + 1;
} else {
- for (j = 0; j < marker_size; j++)
- dest[size++] = '=';
+ memset(dest + size, '=', marker_size);
+ size += marker_size;
dest[size++] = '\n';
}
@@ -210,8 +209,8 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
if (!dest) {
size += marker_size + 1 + marker2_size;
} else {
- for (j = 0; j < marker_size; j++)
- dest[size++] = '>';
+ memset(dest + size, '>', marker_size);
+ size += marker_size;
if (marker2_size) {
dest[size] = ' ';
memcpy(dest + size + 1, name2, marker2_size - 1);
@@ -337,7 +336,7 @@ static int xdl_refine_conflicts(xdfenv_t *xe1, xdfenv_t *xe2, xdmerge_t *m,
static int line_contains_alnum(const char *ptr, long size)
{
while (size--)
- if (isalnum(*(ptr++)))
+ if (isalnum((unsigned char)*(ptr++)))
return 1;
return 0;
}
diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index bc12f29895..ab6503460f 100644
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -190,8 +190,10 @@ int xdl_recmatch(const char *l1, long s1, const char *l2, long s2, long flags)
{
int i1, i2;
+ if (s1 == s2 && !memcmp(l1, l2, s1))
+ return 1;
if (!(flags & XDF_WHITESPACE_FLAGS))
- return s1 == s2 && !memcmp(l1, l2, s1);
+ return 0;
i1 = 0;
i2 = 0;
@@ -209,18 +211,18 @@ int xdl_recmatch(const char *l1, long s1, const char *l2, long s2, long flags)
if (l1[i1++] != l2[i2++])
return 0;
skip_ws:
- while (i1 < s1 && isspace(l1[i1]))
+ while (i1 < s1 && XDL_ISSPACE(l1[i1]))
i1++;
- while (i2 < s2 && isspace(l2[i2]))
+ while (i2 < s2 && XDL_ISSPACE(l2[i2]))
i2++;
}
} else if (flags & XDF_IGNORE_WHITESPACE_CHANGE) {
while (i1 < s1 && i2 < s2) {
- if (isspace(l1[i1]) && isspace(l2[i2])) {
+ if (XDL_ISSPACE(l1[i1]) && XDL_ISSPACE(l2[i2])) {
/* Skip matching spaces and try again */
- while (i1 < s1 && isspace(l1[i1]))
+ while (i1 < s1 && XDL_ISSPACE(l1[i1]))
i1++;
- while (i2 < s2 && isspace(l2[i2]))
+ while (i2 < s2 && XDL_ISSPACE(l2[i2]))
i2++;
continue;
}
@@ -239,13 +241,13 @@ int xdl_recmatch(const char *l1, long s1, const char *l2, long s2, long flags)
* while there still are characters remaining on both lines.
*/
if (i1 < s1) {
- while (i1 < s1 && isspace(l1[i1]))
+ while (i1 < s1 && XDL_ISSPACE(l1[i1]))
i1++;
if (s1 != i1)
return 0;
}
if (i2 < s2) {
- while (i2 < s2 && isspace(l2[i2]))
+ while (i2 < s2 && XDL_ISSPACE(l2[i2]))
i2++;
return (s2 == i2);
}
@@ -258,10 +260,10 @@ static unsigned long xdl_hash_record_with_whitespace(char const **data,
char const *ptr = *data;
for (; ptr < top && *ptr != '\n'; ptr++) {
- if (isspace(*ptr)) {
+ if (XDL_ISSPACE(*ptr)) {
const char *ptr2 = ptr;
int at_eol;
- while (ptr + 1 < top && isspace(ptr[1])
+ while (ptr + 1 < top && XDL_ISSPACE(ptr[1])
&& ptr[1] != '\n')
ptr++;
at_eol = (top <= ptr + 1 || ptr[1] == '\n');