1 /* $OpenBSD: b_print.c,v 1.28 2024/03/02 09:18:28 tb Exp $ */
2
3 /* Theo de Raadt places this file in the public domain. */
4
5 #include <openssl/bio.h>
6
7 #include "bio_local.h"
8
9 #ifdef HAVE_FUNOPEN
10 static int
_BIO_write(void * cookie,const char * buf,int nbytes)11 _BIO_write(void *cookie, const char *buf, int nbytes)
12 {
13 return BIO_write(cookie, buf, nbytes);
14 }
15
16 int
BIO_vprintf(BIO * bio,const char * format,va_list args)17 BIO_vprintf(BIO *bio, const char *format, va_list args)
18 {
19 int ret;
20 FILE *fp;
21
22 fp = funopen(bio, NULL, &_BIO_write, NULL, NULL);
23 if (fp == NULL) {
24 ret = -1;
25 goto fail;
26 }
27 ret = vfprintf(fp, format, args);
28 fclose(fp);
29 fail:
30 return (ret);
31 }
32
33 #else /* !HAVE_FUNOPEN */
34
35 int
BIO_vprintf(BIO * bio,const char * format,va_list args)36 BIO_vprintf(BIO *bio, const char *format, va_list args)
37 {
38 int ret;
39 char *buf = NULL;
40
41 ret = vasprintf(&buf, format, args);
42 if (ret == -1)
43 return (ret);
44 BIO_write(bio, buf, ret);
45 free(buf);
46 return (ret);
47 }
48
49 #endif /* HAVE_FUNOPEN */
50
51 int
BIO_printf(BIO * bio,const char * format,...)52 BIO_printf(BIO *bio, const char *format, ...)
53 {
54 va_list args;
55 int ret;
56
57 va_start(args, format);
58 ret = BIO_vprintf(bio, format, args);
59 va_end(args);
60 return (ret);
61 }
62 LCRYPTO_ALIAS(BIO_printf);
63