diff options
author | Matt Johnston <matt@ucc.asn.au> | 2020-10-19 21:38:20 +0800 |
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committer | Matt Johnston <matt@ucc.asn.au> | 2020-10-19 21:38:20 +0800 |
commit | d5cc5eb25cace6499468292e1d2c3ddb6eeac15b (patch) | |
tree | 36cce81a77285e61dc7cb5af5031f6d2bad7092e /buffer.c | |
parent | 9f642e2bd4374a45e7b828fafc11cc0d6d2b1783 (diff) |
Avoid passing NULL to memcpy
Diffstat (limited to 'buffer.c')
-rw-r--r-- | buffer.c | 16 |
1 files changed, 1 insertions, 15 deletions
@@ -39,44 +39,30 @@ /* Create (malloc) a new buffer of size */ buffer* buf_new(unsigned int size) { - buffer* buf; - if (size > BUF_MAX_SIZE) { dropbear_exit("buf->size too big"); } buf = (buffer*)m_malloc(sizeof(buffer)+size); - - if (size > 0) { - buf->data = (unsigned char*)buf + sizeof(buffer); - } else { - buf->data = NULL; - } - + buf->data = (unsigned char*)buf + sizeof(buffer); buf->size = size; - return buf; - } /* free the buffer's data and the buffer itself */ void buf_free(buffer* buf) { - m_free(buf); } /* overwrite the contents of the buffer to clear it */ void buf_burn(const buffer* buf) { - m_burn(buf->data, buf->size); - } /* resize a buffer, pos and len will be repositioned if required when * downsizing */ buffer* buf_resize(buffer *buf, unsigned int newsize) { - if (newsize > BUF_MAX_SIZE) { dropbear_exit("buf->size too big"); } |