[git] GnuPG - branch, STABLE-BRANCH-1-4, updated. gnupg-1.4.20-5-gaa4a3aa
by NIIBE Yutaka
cvs at cvs.gnupg.org
Tue Jan 26 07:47:07 CET 2016
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- Log -----------------------------------------------------------------
commit aa4a3aa3e7a0c7dc231b90b2958184c7138ccc93
Author: NIIBE Yutaka <gniibe at fsij.org>
Date: Tue Jan 26 15:38:27 2016 +0900
g10: Fix iobuf API of filter function for alignment.
* include/iobuf.h (struct iobuf_struct): Remove DESC.
* util/iobuf.c (iobuf_desc): New.
(print_chain, iobuf_close, iobuf_open, iobuf_fdopen, iobuf_sockopen)
(iobuf_create, iobuf_append, iobuf_openrw, iobuf_ioctl)
(iobuf_push_filter2, pop_filter, underflow): Use iobuf_desc.
(file_filter, sock_filter, block_filter): Fill the description.
* g10/armor.c, g10/cipher.c, g10/compress-bz2.c, g10/compress.c,
g10/encode.c, g10/encr-data.c, g10/mdfilter.c, g10/pipemode.c,
g10/progress.c, g10/textfilter.c: Likewise.
--
Newer GCC warns against possible alignment difference of pointers.
This change can silence those warnings.
Signed-off-by: NIIBE Yutaka <gniibe at fsij.org>
(backported from 2.1 commit 3f52c7da3940ec06572270d511000dc7fe9c27d2)
diff --git a/g10/armor.c b/g10/armor.c
index be03692..1ae3c60 100644
--- a/g10/armor.c
+++ b/g10/armor.c
@@ -1300,7 +1300,7 @@ armor_filter( void *opaque, int control,
release_armor_context (afx);
}
else if( control == IOBUFCTRL_DESC )
- *(char**)buf = "armor_filter";
+ mem2str (buf, "armor_filter", *ret_len);
return rc;
}
diff --git a/g10/cipher.c b/g10/cipher.c
index 0c51100..45e1963 100644
--- a/g10/cipher.c
+++ b/g10/cipher.c
@@ -145,7 +145,7 @@ cipher_filter( void *opaque, int control,
cipher_close(cfx->cipher_hd);
}
else if( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "cipher_filter";
+ mem2str (buf, "cipher_filter", *ret_len);
}
return rc;
}
diff --git a/g10/compress-bz2.c b/g10/compress-bz2.c
index baef92f..6c5bd66 100644
--- a/g10/compress-bz2.c
+++ b/g10/compress-bz2.c
@@ -247,6 +247,6 @@ compress_filter_bz2( void *opaque, int control,
zfx->release (zfx);
}
else if( control == IOBUFCTRL_DESC )
- *(char**)buf = "compress_filter";
+ mem2str (buf, "compress_filter", *ret_len);
return rc;
}
diff --git a/g10/compress.c b/g10/compress.c
index 07c9e5e..4598aff 100644
--- a/g10/compress.c
+++ b/g10/compress.c
@@ -295,7 +295,7 @@ compress_filter( void *opaque, int control,
zfx->release (zfx);
}
else if( control == IOBUFCTRL_DESC )
- *(char**)buf = "compress_filter";
+ mem2str (buf, "compress_filter", *ret_len);
return rc;
}
diff --git a/g10/encode.c b/g10/encode.c
index a579c42..93c70a7 100644
--- a/g10/encode.c
+++ b/g10/encode.c
@@ -736,7 +736,7 @@ encrypt_filter( void *opaque, int control,
xfree(efx->symkey_s2k);
}
else if( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "encrypt_filter";
+ mem2str (buf, "encrypt_filter", *ret_len);
}
return rc;
}
diff --git a/g10/encr-data.c b/g10/encr-data.c
index c65aa11..baa0606 100644
--- a/g10/encr-data.c
+++ b/g10/encr-data.c
@@ -300,7 +300,7 @@ mdc_decode_filter( void *opaque, int control, IOBUF a,
release_dfx_context (dfx);
}
else if( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "mdc_decode_filter";
+ mem2str (buf, "mdc_decode_filter", *ret_len);
}
return rc;
}
@@ -329,7 +329,7 @@ decode_filter( void *opaque, int control, IOBUF a, byte *buf, size_t *ret_len)
release_dfx_context (fc);
}
else if( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "decode_filter";
+ mem2str (buf, "decode_filter", *ret_len);
}
return rc;
}
diff --git a/g10/mdfilter.c b/g10/mdfilter.c
index 9c0059e..bb47f98 100644
--- a/g10/mdfilter.c
+++ b/g10/mdfilter.c
@@ -58,7 +58,7 @@ md_filter( void *opaque, int control,
*ret_len = i;
}
else if( control == IOBUFCTRL_DESC )
- *(char**)buf = "md_filter";
+ mem2str (buf, "md_filter", *ret_len);
return rc;
}
diff --git a/g10/pipemode.c b/g10/pipemode.c
index 077f967..60c8020 100644
--- a/g10/pipemode.c
+++ b/g10/pipemode.c
@@ -281,7 +281,7 @@ pipemode_filter( void *opaque, int control,
*ret_len = n;
}
else if( control == IOBUFCTRL_DESC )
- *(char**)buf = "pipemode_filter";
+ mem2str (buf, "pipemode_filter", *ret_len);
return rc;
}
diff --git a/g10/progress.c b/g10/progress.c
index 8c8265f..cea080c 100644
--- a/g10/progress.c
+++ b/g10/progress.c
@@ -91,7 +91,7 @@ progress_filter (void *opaque, int control,
pfx->what = NULL;
}
else if (control == IOBUFCTRL_DESC)
- *(char**)buf = "progress_filter";
+ mem2str (buf, "progress_filter", *ret_len);
return rc;
}
diff --git a/g10/textfilter.c b/g10/textfilter.c
index dc72a56..79f2f67 100644
--- a/g10/textfilter.c
+++ b/g10/textfilter.c
@@ -150,7 +150,7 @@ text_filter( void *opaque, int control,
tfx->buffer = NULL;
}
else if( control == IOBUFCTRL_DESC )
- *(char**)buf = "text_filter";
+ mem2str (buf, "text_filter", *ret_len);
return rc;
}
diff --git a/include/iobuf.h b/include/iobuf.h
index 9515a0e..030f8c8 100644
--- a/include/iobuf.h
+++ b/include/iobuf.h
@@ -59,7 +59,6 @@ struct iobuf_struct {
char *real_fname;
IOBUF chain; /* next iobuf used for i/o if any (passed to filter) */
int no, subno;
- const char *desc;
void *opaque; /* can be used to hold any information */
/* this value is copied to all instances */
struct {
diff --git a/util/iobuf.c b/util/iobuf.c
index a330460..539356e 100644
--- a/util/iobuf.c
+++ b/util/iobuf.c
@@ -459,7 +459,7 @@ file_filter(void *opaque, int control, IOBUF chain, byte *buf, size_t *ret_len)
a->keep_open = a->no_cache = 0;
}
else if( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "file_filter";
+ mem2str (buf, "file_filter", *ret_len);
}
else if( control == IOBUFCTRL_FREE ) {
if( f != stdin && f != stdout ) {
@@ -572,7 +572,7 @@ file_filter(void *opaque, int control, IOBUF chain, byte *buf, size_t *ret_len)
a->no_cache = 0;
}
else if ( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "file_filter(fd)";
+ mem2str (buf, "file_filter(fd)", *ret_len);
}
else if ( control == IOBUFCTRL_FREE ) {
#ifdef HAVE_DOSISH_SYSTEM
@@ -660,7 +660,7 @@ sock_filter (void *opaque, int control, IOBUF chain, byte *buf, size_t *ret_len)
a->no_cache = 0;
}
else if ( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "sock_filter";
+ mem2str (buf, "sock_filter", *ret_len);
}
else if ( control == IOBUFCTRL_FREE ) {
if (!a->keep_open)
@@ -852,7 +852,7 @@ block_filter(void *opaque, int control, IOBUF chain, byte *buf, size_t *ret_len)
a->buflen = 0;
}
else if( control == IOBUFCTRL_DESC ) {
- *(char**)buf = "block_filter";
+ mem2str (buf, "block_filter", *ret_len);
}
else if( control == IOBUFCTRL_FREE ) {
if( a->use == 2 ) { /* write the end markers */
@@ -906,6 +906,24 @@ block_filter(void *opaque, int control, IOBUF chain, byte *buf, size_t *ret_len)
return rc;
}
+#define MAX_IOBUF_DESC 32
+/*
+ * Fill the buffer by the description of iobuf A.
+ * The buffer size should be MAX_IOBUF_DESC (or larger).
+ * Returns BUF as (const char *).
+ */
+static const char *
+iobuf_desc (iobuf_t a, byte *buf)
+{
+ size_t len = MAX_IOBUF_DESC;
+
+ if (! a || ! a->filter)
+ memcpy (buf, "?", 2);
+ else
+ a->filter (a->filter_ov, IOBUFCTRL_DESC, NULL, buf, &len);
+
+ return buf;
+}
static void
print_chain( IOBUF a )
@@ -913,16 +931,11 @@ print_chain( IOBUF a )
if( !DBG_IOBUF )
return;
for(; a; a = a->chain ) {
- size_t dummy_len = 0;
- const char *desc = "[none]";
-
- if( a->filter )
- a->filter( a->filter_ov, IOBUFCTRL_DESC, NULL,
- (byte*)&desc, &dummy_len );
+ byte desc[MAX_IOBUF_DESC];
log_debug("iobuf chain: %d.%d `%s' filter_eof=%d start=%d len=%d\n",
- a->no, a->subno, desc?desc:"?", a->filter_eof,
- (int)a->d.start, (int)a->d.len );
+ a->no, a->subno, iobuf_desc (a, desc), a->filter_eof,
+ (int)a->d.start, (int)a->d.len );
}
}
@@ -971,13 +984,14 @@ iobuf_close ( IOBUF a )
}
for( ; a && !rc ; a = a2 ) {
+ byte desc[MAX_IOBUF_DESC];
a2 = a->chain;
if( a->use == 2 && (rc=iobuf_flush(a)) )
log_error("iobuf_flush failed on close: %s\n", g10_errstr(rc));
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: close `%s'\n", a->no, a->subno,
- a->desc?a->desc:"?");
+ iobuf_desc (a, desc));
if( a->filter && (rc = a->filter(a->filter_ov, IOBUFCTRL_FREE,
a->chain, NULL, &dummy_len)) )
log_error("IOBUFCTRL_FREE failed on close: %s\n", g10_errstr(rc) );
@@ -1132,7 +1146,6 @@ iobuf_open( const char *fname )
a->real_fname = xstrdup( fname );
a->filter = file_filter;
a->filter_ov = fcx;
- file_filter( fcx, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &len );
file_filter( fcx, IOBUFCTRL_INIT, NULL, NULL, &len );
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: open `%s' fd=%d\n",
@@ -1166,7 +1179,6 @@ iobuf_fdopen( int fd, const char *mode )
sprintf(fcx->fname, "[fd %d]", fd );
a->filter = file_filter;
a->filter_ov = fcx;
- file_filter( fcx, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &len );
file_filter( fcx, IOBUFCTRL_INIT, NULL, NULL, &len );
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: fdopen `%s'\n", a->no, a->subno, fcx->fname );
@@ -1190,7 +1202,6 @@ iobuf_sockopen ( int fd, const char *mode )
sprintf(scx->fname, "[sock %d]", fd );
a->filter = sock_filter;
a->filter_ov = scx;
- sock_filter( scx, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &len );
sock_filter( scx, IOBUFCTRL_INIT, NULL, NULL, &len );
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: sockopen `%s'\n", a->no, a->subno, scx->fname);
@@ -1213,6 +1224,7 @@ iobuf_create( const char *fname )
size_t len;
int print_only = 0;
int fd;
+ byte desc[MAX_IOBUF_DESC];
if( !fname || (*fname=='-' && !fname[1]) ) {
fp = FILEP_OR_FD_FOR_STDOUT;
@@ -1235,11 +1247,10 @@ iobuf_create( const char *fname )
a->real_fname = xstrdup( fname );
a->filter = file_filter;
a->filter_ov = fcx;
- file_filter( fcx, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &len );
file_filter( fcx, IOBUFCTRL_INIT, NULL, NULL, &len );
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: create `%s'\n", a->no, a->subno,
- a->desc?a->desc:"?" );
+ iobuf_desc (a, desc));
return a;
}
@@ -1257,6 +1268,7 @@ iobuf_append( const char *fname )
FILE *fp;
file_filter_ctx_t *fcx;
size_t len;
+ byte desc[MAX_IOBUF_DESC];
if( !fname )
return NULL;
@@ -1269,11 +1281,10 @@ iobuf_append( const char *fname )
a->real_fname = xstrdup( fname );
a->filter = file_filter;
a->filter_ov = fcx;
- file_filter( fcx, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &len );
file_filter( fcx, IOBUFCTRL_INIT, NULL, NULL, &len );
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: append `%s'\n", a->no, a->subno,
- a->desc?a->desc:"?" );
+ iobuf_desc (a, desc));
return a;
}
@@ -1286,6 +1297,7 @@ iobuf_openrw( const char *fname )
FILEP_OR_FD fp;
file_filter_ctx_t *fcx;
size_t len;
+ byte desc[MAX_IOBUF_DESC];
if( !fname )
return NULL;
@@ -1298,11 +1310,10 @@ iobuf_openrw( const char *fname )
a->real_fname = xstrdup( fname );
a->filter = file_filter;
a->filter_ov = fcx;
- file_filter( fcx, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &len );
file_filter( fcx, IOBUFCTRL_INIT, NULL, NULL, &len );
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: openrw `%s'\n", a->no, a->subno,
- a->desc?a->desc:"?");
+ iobuf_desc (a, desc));
return a;
}
@@ -1311,11 +1322,13 @@ iobuf_openrw( const char *fname )
int
iobuf_ioctl ( IOBUF a, int cmd, int intval, void *ptrval )
{
+ byte desc[MAX_IOBUF_DESC];
+
if ( cmd == 1 ) { /* keep system filepointer/descriptor open */
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: ioctl `%s' keep=%d\n",
a? a->no:-1, a?a->subno:-1,
- a&&a->desc?a->desc:"?", intval );
+ iobuf_desc (a, desc), intval );
for( ; a; a = a->chain )
if( !a->chain && a->filter == file_filter ) {
file_filter_ctx_t *b = a->filter_ov;
@@ -1345,7 +1358,7 @@ iobuf_ioctl ( IOBUF a, int cmd, int intval, void *ptrval )
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: ioctl `%s' no_cache=%d\n",
a? a->no:-1, a?a->subno:-1,
- a&&a->desc?a->desc:"?", intval );
+ iobuf_desc (a, desc), intval );
for( ; a; a = a->chain )
if( !a->chain && a->filter == file_filter ) {
file_filter_ctx_t *b = a->filter_ov;
@@ -1457,11 +1470,12 @@ iobuf_push_filter2( IOBUF a,
a->filter_ov_owner = rel_ov;
a->subno = b->subno + 1;
- f( ov, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &dummy_len );
if( DBG_IOBUF ) {
+ byte desc[MAX_IOBUF_DESC];
+
log_debug("iobuf-%d.%d: push `%s'\n", a->no, a->subno,
- a->desc?a->desc:"?" );
+ iobuf_desc (a, desc));
print_chain( a );
}
@@ -1482,13 +1496,14 @@ pop_filter( IOBUF a, int (*f)(void *opaque, int control,
IOBUF b;
size_t dummy_len=0;
int rc=0;
+ byte desc[MAX_IOBUF_DESC];
if( a->directfp )
BUG();
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: pop `%s'\n", a->no, a->subno,
- a->desc?a->desc:"?" );
+ iobuf_desc (a, desc));
if( !a->filter ) { /* this is simple */
b = a->chain;
assert(b);
@@ -1563,10 +1578,12 @@ underflow(IOBUF a)
if( a->filter_eof ) {
if( a->chain ) {
+ byte desc[MAX_IOBUF_DESC];
+
IOBUF b = a->chain;
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: pop `%s' in underflow\n",
- a->no, a->subno, a->desc?a->desc:"?" );
+ a->no, a->subno, iobuf_desc (a, desc) );
xfree(a->d.buf);
xfree(a->real_fname);
memcpy(a, b, sizeof *a);
@@ -1625,7 +1642,6 @@ underflow(IOBUF a)
a->filter_ov = NULL;
}
a->filter = NULL;
- a->desc = NULL;
a->filter_ov = NULL;
a->filter_eof = 1;
if( !len && a->chain ) {
-----------------------------------------------------------------------
Summary of changes:
g10/armor.c | 2 +-
g10/cipher.c | 2 +-
g10/compress-bz2.c | 2 +-
g10/compress.c | 2 +-
g10/encode.c | 2 +-
g10/encr-data.c | 4 +--
g10/mdfilter.c | 2 +-
g10/pipemode.c | 2 +-
g10/progress.c | 2 +-
g10/textfilter.c | 2 +-
include/iobuf.h | 1 -
util/iobuf.c | 74 +++++++++++++++++++++++++++++++++---------------------
12 files changed, 56 insertions(+), 41 deletions(-)
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