diff options
Diffstat (limited to 'openssl/crypto/bio/bss_mem.c')
| -rw-r--r-- | openssl/crypto/bio/bss_mem.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/openssl/crypto/bio/bss_mem.c b/openssl/crypto/bio/bss_mem.c index e7ab9cb3a..37d4194e4 100644 --- a/openssl/crypto/bio/bss_mem.c +++ b/openssl/crypto/bio/bss_mem.c @@ -94,16 +94,18 @@ BIO *BIO_new_mem_buf(void *buf, int len) { BIO *ret; BUF_MEM *b; + size_t sz; + if (!buf) { BIOerr(BIO_F_BIO_NEW_MEM_BUF,BIO_R_NULL_PARAMETER); return NULL; } - if(len == -1) len = strlen(buf); + sz = (len<0) ? strlen(buf) : (size_t)len; if(!(ret = BIO_new(BIO_s_mem())) ) return NULL; b = (BUF_MEM *)ret->ptr; b->data = buf; - b->length = len; - b->max = len; + b->length = sz; + b->max = sz; ret->flags |= BIO_FLAGS_MEM_RDONLY; /* Since this is static data retrying wont help */ ret->num = 0; @@ -144,22 +146,16 @@ static int mem_read(BIO *b, char *out, int outl) { int ret= -1; BUF_MEM *bm; - int i; - char *from,*to; bm=(BUF_MEM *)b->ptr; BIO_clear_retry_flags(b); - ret=(outl > bm->length)?bm->length:outl; + ret=(outl >=0 && (size_t)outl > bm->length)?(int)bm->length:outl; if ((out != NULL) && (ret > 0)) { memcpy(out,bm->data,ret); bm->length-=ret; - /* memmove(&(bm->data[0]),&(bm->data[ret]), bm->length); */ if(b->flags & BIO_FLAGS_MEM_RDONLY) bm->data += ret; else { - from=(char *)&(bm->data[ret]); - to=(char *)&(bm->data[0]); - for (i=0; i<bm->length; i++) - to[i]=from[i]; + memmove(&(bm->data[0]),&(bm->data[ret]),bm->length); } } else if (bm->length == 0) { |