diff options
Diffstat (limited to 'src/libstddjb/cdbmake_addv.c')
-rw-r--r-- | src/libstddjb/cdbmake_addv.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/libstddjb/cdbmake_addv.c b/src/libstddjb/cdbmake_addv.c new file mode 100644 index 0000000..d8719a4 --- /dev/null +++ b/src/libstddjb/cdbmake_addv.c @@ -0,0 +1,30 @@ +/* ISC license. */ + +#include <errno.h> +#include <sys/uio.h> + +#include <skalibs/uint32.h> +#include <skalibs/diuint32.h> +#include <skalibs/buffer.h> +#include <skalibs/genalloc.h> +#include <skalibs/siovec.h> +#include <skalibs/cdbmake.h> +#include "cdb-internal.h" +#include "cdbmake-internal.h" + +int cdbmake_addv (cdbmaker *c, struct iovec const *kv, unsigned int kn, struct iovec const *dv, unsigned int dn) +{ + size_t keylen = siovec_len(kv, kn) ; + size_t datalen = siovec_len(dv, dn) ; + if (keylen > UINT32_MAX || datalen > UINT32_MAX) return (errno = EOVERFLOW, 0) ; + + if (!cdbmake_addbegin(c, keylen, datalen) + || buffer_putv(&c->b, kv, kn) < keylen + || buffer_putv(&c->b, dv, dn) < datalen + || !cdbmake_addend(c, keylen, datalen, cdb_hashv(kv, kn))) + { + genalloc_free(diuint32, &c->hplist) ; + return 0 ; + } + return 1 ; +} |