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-rw-r--r--Documentation/technical/api-sha1-array.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/technical/api-sha1-array.txt b/Documentation/technical/api-sha1-array.txt
index 3e75497a37..dcc52943a5 100644
--- a/Documentation/technical/api-sha1-array.txt
+++ b/Documentation/technical/api-sha1-array.txt
@@ -38,16 +38,20 @@ Functions
`sha1_array_for_each_unique`::
Efficiently iterate over each unique element of the list,
executing the callback function for each one. If the array is
- not sorted, this function has the side effect of sorting it.
+ not sorted, this function has the side effect of sorting it. If
+ the callback returns a non-zero value, the iteration ends
+ immediately and the callback's return is propagated; otherwise,
+ 0 is returned.
Examples
--------
-----------------------------------------
-void print_callback(const unsigned char sha1[20],
+int print_callback(const unsigned char sha1[20],
void *data)
{
printf("%s\n", sha1_to_hex(sha1));
+ return 0; /* always continue */
}
void some_func(void)