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more memory free-up - still leaks like crazy

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This commit is contained in:
Jos Dehaes 2021-10-11 22:19:25 +02:00
parent 304457863f
commit 28cb677533
1 changed files with 20 additions and 17 deletions
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37
src/osx/btop_collect.cpp
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@ -841,24 +841,27 @@ namespace Net {
size_t len; size_t len;
if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
Logger::error("failed getting network interfaces"); Logger::error("failed getting network interfaces");
} } else {
char *buf = (char *)malloc(len); char *buf = (char *)malloc(len);
if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) { if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
Logger::error("failed getting network interfaces"); Logger::error("failed getting network interfaces");
} } else {
char *lim = buf + len; char *lim = buf + len;
char *next = NULL; char *next = NULL;
for (next = buf; next < lim;) { for (next = buf; next < lim;) {
struct if_msghdr *ifm = (struct if_msghdr *)next; struct if_msghdr *ifm = (struct if_msghdr *)next;
next += ifm->ifm_msglen; next += ifm->ifm_msglen;
if (ifm->ifm_type == RTM_IFINFO2) { if (ifm->ifm_type == RTM_IFINFO2) {
struct if_msghdr2 *if2m = (struct if_msghdr2 *)ifm; struct if_msghdr2 *if2m = (struct if_msghdr2 *)ifm;
struct sockaddr_dl *sdl = (struct sockaddr_dl *)(if2m + 1); struct sockaddr_dl *sdl = (struct sockaddr_dl *)(if2m + 1);
char iface[32]; char iface[32];
strncpy(iface, sdl->sdl_data, sdl->sdl_nlen); strncpy(iface, sdl->sdl_data, sdl->sdl_nlen);
iface[sdl->sdl_nlen] = 0; iface[sdl->sdl_nlen] = 0;
ifstats[iface] = std::tuple(if2m->ifm_data.ifi_ibytes, if2m->ifm_data.ifi_obytes); ifstats[iface] = std::tuple(if2m->ifm_data.ifi_ibytes, if2m->ifm_data.ifi_obytes);
}
}
} }
free(buf); // no idea how to RAII this with the funky/sketchy pointer arithmethic
} }
//? Get total recieved and transmitted bytes + device address if no ip was found //? Get total recieved and transmitted bytes + device address if no ip was found