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authorNIIBE Yutaka <gniibe@fsij.org>2022-04-25 10:37:32 +0200
committerNIIBE Yutaka <gniibe@fsij.org>2022-04-25 10:37:32 +0200
commit2fc91e15c6bebb203162cc8445e68ee4ff934885 (patch)
tree3f1da420cebe8f7f25dc481c1001a39e27be3e35
parentscd: Fix hard-coded constant for RSA auth. (diff)
downloadgnupg2-2fc91e15c6bebb203162cc8445e68ee4ff934885.tar.xz
gnupg2-2fc91e15c6bebb203162cc8445e68ee4ff934885.zip
common:iobuf: Exclude cases with IOBUF_INPUT_TEMP/IOBUF_OUTPUT_TEMP.
* common/iobuf.c (iobuf_read): Handle a case with IOBUF_INPUT_TEMP. (iobuf_write): Handle a case with IOBUF_OUTPUT_TEMP. -- GnuPG-bug-id: 5941 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
-rw-r--r--common/iobuf.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/common/iobuf.c b/common/iobuf.c
index 8ec4c86c0..05486b976 100644
--- a/common/iobuf.c
+++ b/common/iobuf.c
@@ -2177,7 +2177,8 @@ iobuf_read (iobuf_t a, void *buffer, unsigned int buflen)
a->e_d.len = 0;
/* Hint for how full to fill iobuf internal drain buffer. */
- a->e_d.preferred = (buf && buflen >= IOBUF_ZEROCOPY_THRESHOLD_SIZE);
+ a->e_d.preferred = (a->use != IOBUF_INPUT_TEMP)
+ && (buf && buflen >= IOBUF_ZEROCOPY_THRESHOLD_SIZE);
n = 0;
do
@@ -2200,7 +2201,7 @@ iobuf_read (iobuf_t a, void *buffer, unsigned int buflen)
underflow to read more data into the filter's internal
buffer. */
{
- if (buf && n < buflen)
+ if (a->use != IOBUF_INPUT_TEMP && buf && n < buflen)
{
/* Setup external drain buffer for faster moving of data
* (avoid memcpy). */
@@ -2328,11 +2329,13 @@ iobuf_write (iobuf_t a, const void *buffer, unsigned int buflen)
a->e_d.len = 0;
/* Hint for how full to fill iobuf internal drain buffer. */
- a->e_d.preferred = (buflen >= IOBUF_ZEROCOPY_THRESHOLD_SIZE);
+ a->e_d.preferred = (a->use != IOBUF_OUTPUT_TEMP)
+ && (buflen >= IOBUF_ZEROCOPY_THRESHOLD_SIZE);
do
{
- if (a->d.len == 0 && buflen >= IOBUF_ZEROCOPY_THRESHOLD_SIZE)
+ if ((a->use != IOBUF_OUTPUT_TEMP)
+ && a->d.len == 0 && buflen >= IOBUF_ZEROCOPY_THRESHOLD_SIZE)
{
/* Setup external drain buffer for faster moving of data
* (avoid memcpy). */