slirp: reformat m_inc routine

Coding style changes to the m_inc routine and minor refactoring.

Reported-by: ZDI Disclosures <zdi-disclosures@trendmicro.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
This commit is contained in:
Prasad J Pandit 2018-06-05 23:38:35 +05:30 committed by Samuel Thibault
parent 864036e251
commit c22098c74a

View File

@ -151,27 +151,25 @@ m_cat(struct mbuf *m, struct mbuf *n)
void
m_inc(struct mbuf *m, int size)
{
int datasize;
int datasize;
/* some compiles throw up on gotos. This one we can fake. */
if(m->m_size>size) return;
/* some compilers throw up on gotos. This one we can fake. */
if (m->m_size > size) {
return;
}
if (m->m_flags & M_EXT) {
datasize = m->m_data - m->m_ext;
m->m_ext = g_realloc(m->m_ext, size + datasize);
m->m_data = m->m_ext + datasize;
} else {
char *dat;
datasize = m->m_data - m->m_dat;
dat = g_malloc(size + datasize);
memcpy(dat, m->m_dat, m->m_size);
if (m->m_flags & M_EXT) {
datasize = m->m_data - m->m_ext;
m->m_ext = g_realloc(m->m_ext, size + datasize);
} else {
datasize = m->m_data - m->m_dat;
m->m_ext = g_malloc(size + datasize);
memcpy(m->m_ext, m->m_dat, m->m_size);
m->m_flags |= M_EXT;
}
m->m_ext = dat;
m->m_data = m->m_ext + datasize;
m->m_flags |= M_EXT;
}
m->m_size = size + datasize;
m->m_data = m->m_ext + datasize;
m->m_size = size + datasize;
}