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authorJunio C Hamano <junkio@cox.net>2006-06-28 08:38:19 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-06-28 08:38:19 (GMT)
commit2386c2975d66e03d02a9ebf15a1d07092975e527 (patch)
treedc5a063cb2bbfe3ff18e1b5feaed17e75b2de5aa
parent8dcaefb52f81115d71e1dfa27d45f4a677bcbc09 (diff)
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combine-diff.c: type sanity
- combine_diff() took cnt (count) which is unsigned in nature but the parameter type was declared as "int"; - find_next() took "uninteresting" parameter, which masked a static function of the same name; - show_parent_lno() took an unused parameter "cnt"; - show_patch_diff() used a local variable in nested inner scope with the same name with different type, masking the one in the outer scope; - the last loop in show_patch_diff iterated over lines so it should use the local variable "lno" Signed-off-by: Junio C Hamano <junkio@cox.net>
-rw-r--r--combine-diff.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/combine-diff.c b/combine-diff.c
index 64b20cc..2254221 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -205,7 +205,8 @@ static void consume_line(void *state_, char *line, unsigned long len)
}
static void combine_diff(const unsigned char *parent, mmfile_t *result_file,
- struct sline *sline, int cnt, int n, int num_parent)
+ struct sline *sline, unsigned int cnt, int n,
+ int num_parent)
{
unsigned int p_lno, lno;
unsigned long nmask = (1UL << n);
@@ -293,7 +294,7 @@ static unsigned long find_next(struct sline *sline,
unsigned long mark,
unsigned long i,
unsigned long cnt,
- int uninteresting)
+ int look_for_uninteresting)
{
/* We have examined up to i-1 and are about to look at i.
* Find next interesting or uninteresting line. Here,
@@ -303,7 +304,7 @@ static unsigned long find_next(struct sline *sline,
* that are surrounded by interesting() ones.
*/
while (i <= cnt)
- if (uninteresting
+ if (look_for_uninteresting
? !(sline[i].flag & mark)
: (sline[i].flag & mark))
return i;
@@ -489,7 +490,7 @@ static int make_hunks(struct sline *sline, unsigned long cnt,
return has_interesting;
}
-static void show_parent_lno(struct sline *sline, unsigned long l0, unsigned long l1, unsigned long cnt, int n)
+static void show_parent_lno(struct sline *sline, unsigned long l0, unsigned long l1, int n)
{
l0 = sline[l0].p_lno[n];
l1 = sline[l1].p_lno[n];
@@ -523,7 +524,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent)
rlines--; /* pointing at the last delete hunk */
for (i = 0; i <= num_parent; i++) putchar(combine_marker);
for (i = 0; i < num_parent; i++)
- show_parent_lno(sline, lno, hunk_end, cnt, i);
+ show_parent_lno(sline, lno, hunk_end, i);
printf(" +%lu,%lu ", lno+1, rlines);
for (i = 0; i <= num_parent; i++) putchar(combine_marker);
putchar('\n');
@@ -619,18 +620,18 @@ static int show_patch_diff(struct combine_diff_path *elem, int num_parent,
if (0 <= (fd = open(elem->path, O_RDONLY)) &&
!fstat(fd, &st)) {
int len = st.st_size;
- int cnt = 0;
+ int sz = 0;
elem->mode = canon_mode(st.st_mode);
result_size = len;
result = xmalloc(len + 1);
- while (cnt < len) {
- int done = xread(fd, result+cnt, len-cnt);
+ while (sz < len) {
+ int done = xread(fd, result+sz, len-sz);
if (done == 0)
break;
if (done < 0)
die("read error '%s'", elem->path);
- cnt += done;
+ sz += done;
}
result[len] = 0;
}
@@ -645,7 +646,7 @@ static int show_patch_diff(struct combine_diff_path *elem, int num_parent,
close(fd);
}
- for (cnt = 0, cp = result; cp - result < result_size; cp++) {
+ for (cnt = 0, cp = result; cp < result + result_size; cp++) {
if (*cp == '\n')
cnt++;
}
@@ -658,7 +659,7 @@ static int show_patch_diff(struct combine_diff_path *elem, int num_parent,
sline[lno].lost_tail = &sline[lno].lost_head;
sline[lno].flag = 0;
}
- for (lno = 0, cp = result; cp - result < result_size; cp++) {
+ for (lno = 0, cp = result; cp < result + result_size; cp++) {
if (*cp == '\n') {
sline[lno].len = cp - sline[lno].bol;
lno++;
@@ -739,9 +740,9 @@ static int show_patch_diff(struct combine_diff_path *elem, int num_parent,
}
free(result);
- for (i = 0; i < cnt; i++) {
- if (sline[i].lost_head) {
- struct lline *ll = sline[i].lost_head;
+ for (lno = 0; lno < cnt; lno++) {
+ if (sline[lno].lost_head) {
+ struct lline *ll = sline[lno].lost_head;
while (ll) {
struct lline *tmp = ll;
ll = ll->next;