diff options
Diffstat (limited to 'sysdeps/generic/ifreq.h')
| -rw-r--r-- | sysdeps/generic/ifreq.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sysdeps/generic/ifreq.h b/sysdeps/generic/ifreq.h index c96d1c8789..f750065cd3 100644 --- a/sysdeps/generic/ifreq.h +++ b/sysdeps/generic/ifreq.h @@ -44,10 +44,10 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) } ifc.ifc_buf = NULL; - rq_len = RQ_IFS * sizeof (struct ifreq); + rq_len = RQ_IFS * sizeof (struct ifreq) / 2; /* Doubled in the loop. */ do { - ifc.ifc_len = rq_len; + ifc.ifc_len = rq_len *= 2; ifc.ifc_buf = realloc (ifc.ifc_buf, ifc.ifc_len); if (ifc.ifc_buf == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0) { @@ -60,7 +60,6 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) *ifreqs = NULL; return; } - rq_len *= 2; } while (rq_len < sizeof (struct ifreq) + ifc.ifc_len); |