X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=crypto%2Fbio%2Fbf_null.c;h=e0c79e8291c0697a8f1e4771243c8a7e533e9929;hb=0ab24083a16c8a4dd35833031bbeaeb0437a7219;hp=3254a55dce7fcf213e822f24f3b2f752b5d92906;hpb=a9be3af5ad4836f7e50f0546311ca90c717b861e;p=openssl.git diff --git a/crypto/bio/bf_null.c b/crypto/bio/bf_null.c index 3254a55dce..e0c79e8291 100644 --- a/crypto/bio/bf_null.c +++ b/crypto/bio/bf_null.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -60,109 +60,130 @@ #include #include "cryptlib.h" #include -#include -/* BIO_put and BIO_get both add to the digest, - * BIO_gets returns the digest */ +/* + * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest + */ -static int nullf_write(BIO *h,char *buf,int num); -static int nullf_read(BIO *h,char *buf,int size); -static int nullf_puts(BIO *h,char *str); -static int nullf_gets(BIO *h,char *str,int size); -static long nullf_ctrl(BIO *h,int cmd,long arg1,char *arg2); +static int nullf_write(BIO *h, const char *buf, int num); +static int nullf_read(BIO *h, char *buf, int size); +static int nullf_puts(BIO *h, const char *str); +static int nullf_gets(BIO *h, char *str, int size); +static long nullf_ctrl(BIO *h, int cmd, long arg1, void *arg2); static int nullf_new(BIO *h); static int nullf_free(BIO *data); -static BIO_METHOD methods_nullf= - { - BIO_TYPE_NULL_FILTER, - "NULL filter", - nullf_write, - nullf_read, - nullf_puts, - nullf_gets, - nullf_ctrl, - nullf_new, - nullf_free, - }; +static long nullf_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); +static BIO_METHOD methods_nullf = { + BIO_TYPE_NULL_FILTER, + "NULL filter", + nullf_write, + nullf_read, + nullf_puts, + nullf_gets, + nullf_ctrl, + nullf_new, + nullf_free, + nullf_callback_ctrl, +}; BIO_METHOD *BIO_f_null(void) - { - return(&methods_nullf); - } +{ + return (&methods_nullf); +} static int nullf_new(BIO *bi) - { - bi->init=1; - bi->ptr=NULL; - bi->flags=0; - return(1); - } +{ + bi->init = 1; + bi->ptr = NULL; + bi->flags = 0; + return (1); +} static int nullf_free(BIO *a) - { - if (a == NULL) return(0); -/* a->ptr=NULL; - a->init=0; - a->flags=0;*/ - return(1); - } - +{ + if (a == NULL) + return (0); + /*- + a->ptr=NULL; + a->init=0; + a->flags=0; + */ + return (1); +} + static int nullf_read(BIO *b, char *out, int outl) - { - int ret=0; - - if (out == NULL) return(0); - if (b->next_bio == NULL) return(0); - ret=BIO_read(b->next_bio,out,outl); - BIO_clear_retry_flags(b); - BIO_copy_next_retry(b); - return(ret); - } - -static int nullf_write(BIO *b, char *in, int inl) - { - int ret=0; - - if ((in == NULL) || (inl <= 0)) return(0); - if (b->next_bio == NULL) return(0); - ret=BIO_write(b->next_bio,in,inl); - BIO_clear_retry_flags(b); - BIO_copy_next_retry(b); - return(ret); - } - -static long nullf_ctrl(BIO *b, int cmd, long num, char *ptr) - { - long ret; - - if (b->next_bio == NULL) return(0); - switch(cmd) - { - case BIO_C_DO_STATE_MACHINE: - BIO_clear_retry_flags(b); - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - BIO_copy_next_retry(b); - break; - case BIO_CTRL_DUP: - ret=0L; - break; - default: - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - } - return(ret); - } +{ + int ret = 0; -static int nullf_gets(BIO *bp, char *buf, int size) - { - if (bp->next_bio == NULL) return(0); - return(BIO_gets(bp->next_bio,buf,size)); - } + if (out == NULL) + return (0); + if (b->next_bio == NULL) + return (0); + ret = BIO_read(b->next_bio, out, outl); + BIO_clear_retry_flags(b); + BIO_copy_next_retry(b); + return (ret); +} + +static int nullf_write(BIO *b, const char *in, int inl) +{ + int ret = 0; + + if ((in == NULL) || (inl <= 0)) + return (0); + if (b->next_bio == NULL) + return (0); + ret = BIO_write(b->next_bio, in, inl); + BIO_clear_retry_flags(b); + BIO_copy_next_retry(b); + return (ret); +} +static long nullf_ctrl(BIO *b, int cmd, long num, void *ptr) +{ + long ret; -static int nullf_puts(BIO *bp, char *str) - { - if (bp->next_bio == NULL) return(0); - return(BIO_puts(bp->next_bio,str)); - } + if (b->next_bio == NULL) + return (0); + switch (cmd) { + case BIO_C_DO_STATE_MACHINE: + BIO_clear_retry_flags(b); + ret = BIO_ctrl(b->next_bio, cmd, num, ptr); + BIO_copy_next_retry(b); + break; + case BIO_CTRL_DUP: + ret = 0L; + break; + default: + ret = BIO_ctrl(b->next_bio, cmd, num, ptr); + } + return (ret); +} +static long nullf_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) +{ + long ret = 1; + + if (b->next_bio == NULL) + return (0); + switch (cmd) { + default: + ret = BIO_callback_ctrl(b->next_bio, cmd, fp); + break; + } + return (ret); +} + +static int nullf_gets(BIO *bp, char *buf, int size) +{ + if (bp->next_bio == NULL) + return (0); + return (BIO_gets(bp->next_bio, buf, size)); +} +static int nullf_puts(BIO *bp, const char *str) +{ + if (bp->next_bio == NULL) + return (0); + return (BIO_puts(bp->next_bio, str)); +}