summaryrefslogtreecommitdiff
path: root/thirdparty/openssl/crypto/buffer/buf_str.c
diff options
context:
space:
mode:
authorRémi Verschelde <rverschelde@gmail.com>2016-10-12 23:06:17 +0200
committerRémi Verschelde <rverschelde@gmail.com>2016-10-15 11:50:41 +0200
commit422196759f93df249db38619f136cabd5dcf42cd (patch)
tree1e5846507af0f8f1bc7ca294ccfb0d4ac3392d17 /thirdparty/openssl/crypto/buffer/buf_str.c
parentd9a291f6411f2e571c181da0ac89f550ba73f681 (diff)
openssl: Move to a module and split thirdparty lib
Same rationale as the previous commits.
Diffstat (limited to 'thirdparty/openssl/crypto/buffer/buf_str.c')
-rw-r--r--thirdparty/openssl/crypto/buffer/buf_str.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/buffer/buf_str.c b/thirdparty/openssl/crypto/buffer/buf_str.c
new file mode 100644
index 0000000000..fa0d608e76
--- /dev/null
+++ b/thirdparty/openssl/crypto/buffer/buf_str.c
@@ -0,0 +1,137 @@
+/* crypto/buffer/buffer.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * 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:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * 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
+ * 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
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <limits.h>
+#include <openssl/buffer.h>
+
+size_t BUF_strnlen(const char *str, size_t maxlen)
+{
+ const char *p;
+
+ for (p = str; maxlen-- != 0 && *p != '\0'; ++p) ;
+
+ return p - str;
+}
+
+char *BUF_strdup(const char *str)
+{
+ if (str == NULL)
+ return NULL;
+ return BUF_strndup(str, strlen(str));
+}
+
+char *BUF_strndup(const char *str, size_t siz)
+{
+ char *ret;
+
+ if (str == NULL)
+ return NULL;
+
+ siz = BUF_strnlen(str, siz);
+
+ if (siz >= INT_MAX)
+ return NULL;
+
+ ret = OPENSSL_malloc(siz + 1);
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_STRNDUP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ memcpy(ret, str, siz);
+ ret[siz] = '\0';
+
+ return (ret);
+}
+
+void *BUF_memdup(const void *data, size_t siz)
+{
+ void *ret;
+
+ if (data == NULL || siz >= INT_MAX)
+ return NULL;
+
+ ret = OPENSSL_malloc(siz);
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_MEMDUP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ return memcpy(ret, data, siz);
+}
+
+size_t BUF_strlcpy(char *dst, const char *src, size_t size)
+{
+ size_t l = 0;
+ for (; size > 1 && *src; size--) {
+ *dst++ = *src++;
+ l++;
+ }
+ if (size)
+ *dst = '\0';
+ return l + strlen(src);
+}
+
+size_t BUF_strlcat(char *dst, const char *src, size_t size)
+{
+ size_t l = 0;
+ for (; size > 0 && *dst; size--, dst++)
+ l++;
+ return l + BUF_strlcpy(dst, src, size);
+}