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ruanhaishen
redis
Commits
924727d9
Commit
924727d9
authored
May 21, 2010
by
Pieter Noordhuis
Browse files
allow pointer to be stored to current element when iterating over ziplist
parent
ba5b4bde
Changes
1
Hide whitespace changes
Inline
Side-by-side
ziplist.c
View file @
924727d9
...
...
@@ -120,12 +120,13 @@ unsigned char *ziplistIndex(unsigned char *zl, unsigned int index) {
/* Store entry at current position in sds *value and return pointer
* to the next entry. */
unsigned
char
*
ziplistNext
(
unsigned
char
*
p
,
unsigned
char
**
entry
,
unsigned
int
*
elen
)
{
unsigned
char
*
ziplistNext
(
unsigned
char
*
p
,
unsigned
char
**
q
,
unsigned
char
**
entry
,
unsigned
int
*
elen
)
{
if
(
*
p
==
ZIP_END
)
return
NULL
;
if
(
entry
)
{
*
elen
=
zipDecodeLength
(
p
);
*
entry
=
p
+
ZIP_LEN_BYTES
(
*
elen
);
}
if
(
q
!=
NULL
)
*
q
=
p
;
p
+=
zipRawEntryLength
(
p
);
return
p
;
}
...
...
@@ -198,7 +199,7 @@ int main(int argc, char **argv) {
{
zl
=
createList
();
p
=
ziplistIndex
(
zl
,
0
);
while
((
p
=
ziplistNext
(
p
,
&
entry
,
&
elen
))
!=
NULL
)
{
while
((
p
=
ziplistNext
(
p
,
NULL
,
&
entry
,
&
elen
))
!=
NULL
)
{
printf
(
"Entry: "
);
fwrite
(
entry
,
elen
,
1
,
stdout
);
printf
(
" (length %d)
\n
"
,
elen
);
...
...
@@ -210,7 +211,7 @@ int main(int argc, char **argv) {
{
zl
=
createList
();
p
=
ziplistIndex
(
zl
,
1
);
while
((
p
=
ziplistNext
(
p
,
&
entry
,
&
elen
))
!=
NULL
)
{
while
((
p
=
ziplistNext
(
p
,
NULL
,
&
entry
,
&
elen
))
!=
NULL
)
{
printf
(
"Entry: "
);
fwrite
(
entry
,
elen
,
1
,
stdout
);
printf
(
" (length %d)
\n
"
,
elen
);
...
...
@@ -222,7 +223,7 @@ int main(int argc, char **argv) {
{
zl
=
createList
();
p
=
ziplistIndex
(
zl
,
2
);
while
((
p
=
ziplistNext
(
p
,
&
entry
,
&
elen
))
!=
NULL
)
{
while
((
p
=
ziplistNext
(
p
,
NULL
,
&
entry
,
&
elen
))
!=
NULL
)
{
printf
(
"Entry: "
);
fwrite
(
entry
,
elen
,
1
,
stdout
);
printf
(
" (length %d)
\n
"
,
elen
);
...
...
@@ -234,7 +235,7 @@ int main(int argc, char **argv) {
{
zl
=
createList
();
p
=
ziplistIndex
(
zl
,
3
);
if
(
ziplistNext
(
p
,
&
entry
,
&
elen
)
==
NULL
)
{
if
(
ziplistNext
(
p
,
&
entry
,
NULL
,
&
elen
)
==
NULL
)
{
printf
(
"No entry
\n
"
);
}
else
{
printf
(
"ERROR
\n
"
);
...
...
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