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-rw-r--r--xdiff/xemit.c2
-rw-r--r--xdiff/xmacros.h1
-rw-r--r--xdiff/xprepare.c2
-rw-r--r--xdiff/xutils.c2
4 files changed, 3 insertions, 4 deletions
diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 1cbf2b9..c4ccd68 100644
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -65,7 +65,7 @@ xdchange_t *xdl_get_hunk(xdchange_t **xscr, xdemitconf_t const *xecfg)
*xscr = xch;
}
- if (*xscr == NULL)
+ if (!*xscr)
return NULL;
lxch = *xscr;
diff --git a/xdiff/xmacros.h b/xdiff/xmacros.h
index 2809a28..ae4636c 100644
--- a/xdiff/xmacros.h
+++ b/xdiff/xmacros.h
@@ -34,7 +34,6 @@
#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))
-#define XDL_PTRFREE(p) do { if (p) { xdl_free(p); (p) = NULL; } } while (0)
#define XDL_LE32_PUT(p, v) \
do { \
unsigned char *__p = (unsigned char *) (p); \
diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c
index 4527a4a..1057527 100644
--- a/xdiff/xprepare.c
+++ b/xdiff/xprepare.c
@@ -188,7 +188,7 @@ static int xdl_prepare_ctx(unsigned int pass, mmfile_t *mf, long narec, xpparam_
memset(rhash, 0, hsize * sizeof(xrecord_t *));
nrec = 0;
- if ((cur = blk = xdl_mmfile_first(mf, &bsize)) != NULL) {
+ if ((cur = blk = xdl_mmfile_first(mf, &bsize))) {
for (top = blk + bsize; cur < top; ) {
prev = cur;
hav = xdl_hash_record(&cur, top, xpp->flags);
diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index cfa6e22..115b2b1 100644
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -122,7 +122,7 @@ long xdl_guess_lines(mmfile_t *mf, long sample) {
long nl = 0, size, tsize = 0;
char const *data, *cur, *top;
- if ((cur = data = xdl_mmfile_first(mf, &size)) != NULL) {
+ if ((cur = data = xdl_mmfile_first(mf, &size))) {
for (top = data + size; nl < sample && cur < top; ) {
nl++;
if (!(cur = memchr(cur, '\n', top - cur)))