diff options
Diffstat (limited to 'g10/armor.c')
| -rw-r--r-- | g10/armor.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/g10/armor.c b/g10/armor.c index e9efa779d..8f22f316c 100644 --- a/g10/armor.c +++ b/g10/armor.c @@ -114,6 +114,54 @@ static char *tail_strings[] = { }; +static int armor_filter ( void *opaque, int control, + iobuf_t chain, byte *buf, size_t *ret_len); + + + + +/* Create a new context for armor filters. */ +armor_filter_context_t * +new_armor_context (void) +{ + armor_filter_context_t *afx; + + afx = xcalloc (1, sizeof *afx); + afx->refcount = 1; + + return afx; +} + +/* Release an armor filter context. Passing NULL is explicitly + allowed and a no-op. */ +void +release_armor_context (armor_filter_context_t *afx) +{ + if (!afx) + return; + assert (afx->refcount); + if ( --afx->refcount ) + return; + xfree (afx); +} + +/* Push the armor filter onto the iobuf stream IOBUF. */ +int +push_armor_filter (armor_filter_context_t *afx, iobuf_t iobuf) +{ + int rc; + + afx->refcount++; + rc = iobuf_push_filter (iobuf, armor_filter, afx); + if (rc) + afx->refcount--; + return rc; +} + + + + + static void initialize(void) { @@ -862,7 +910,7 @@ radix64_read( armor_filter_context_t *afx, IOBUF a, size_t *retn, /**************** * This filter is used to handle the armor stuff */ -int +static int armor_filter( void *opaque, int control, IOBUF a, byte *buf, size_t *ret_len) { @@ -1168,6 +1216,7 @@ armor_filter( void *opaque, int control, "probably a buggy MTA has been used\n") ); xfree( afx->buffer ); afx->buffer = NULL; + release_armor_context (afx); } else if( control == IOBUFCTRL_DESC ) *(char**)buf = "armor_filter"; |