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Diffstat (limited to 'fedora/.local/bin/htop-vim/linux/CGroupUtils.c')
-rw-r--r--fedora/.local/bin/htop-vim/linux/CGroupUtils.c341
1 files changed, 0 insertions, 341 deletions
diff --git a/fedora/.local/bin/htop-vim/linux/CGroupUtils.c b/fedora/.local/bin/htop-vim/linux/CGroupUtils.c
deleted file mode 100644
index c11c460..0000000
--- a/fedora/.local/bin/htop-vim/linux/CGroupUtils.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/*
-htop - CGroupUtils.h
-(C) 2021 htop dev team
-Released under the GNU GPLv2+, see the COPYING file
-in the source distribution for its full text.
-*/
-
-#include "linux/CGroupUtils.h"
-
-#include "XUtils.h"
-
-
-typedef struct StrBuf_state {
- char* buf;
- size_t size;
- size_t pos;
-} StrBuf_state;
-
-typedef bool (*StrBuf_putc_t)(StrBuf_state* p, char c);
-
-static bool StrBuf_putc_count(StrBuf_state* p, ATTR_UNUSED char c) {
- p->pos++;
- return true;
-}
-
-static bool StrBuf_putc_write(StrBuf_state* p, char c) {
- if (p->pos >= p->size)
- return false;
-
- p->buf[p->pos] = c;
- p->pos++;
- return true;
-}
-
-static bool StrBuf_putsn(StrBuf_state* p, StrBuf_putc_t w, const char* s, size_t count) {
- for (; count; count--)
- if (!w(p, *s++))
- return false;
-
- return true;
-}
-
-static bool StrBuf_putsz(StrBuf_state* p, StrBuf_putc_t w, const char* s) {
- while (*s)
- if (!w(p, *s++))
- return false;
-
- return true;
-}
-
-static bool Label_checkEqual(const char* labelStart, size_t labelLen, const char* expected) {
- return labelLen == strlen(expected) && String_startsWith(labelStart, expected);
-}
-
-static bool Label_checkPrefix(const char* labelStart, size_t labelLen, const char* expected) {
- return labelLen > strlen(expected) && String_startsWith(labelStart, expected);
-}
-
-static bool Label_checkSuffix(const char* labelStart, size_t labelLen, const char* expected) {
- return labelLen > strlen(expected) && String_startsWith(labelStart + labelLen - strlen(expected), expected);
-}
-
-static bool CGroup_filterName_internal(const char* cgroup, StrBuf_state* s, StrBuf_putc_t w) {
- const char* str_slice_suffix = ".slice";
- const char* str_system_slice = "system.slice";
- const char* str_user_slice = "user.slice";
- const char* str_machine_slice = "machine.slice";
- const char* str_user_slice_prefix = "/user-";
- const char* str_system_slice_prefix = "/system-";
-
- const char* str_lxc_monitor_legacy = "lxc.monitor";
- const char* str_lxc_payload_legacy = "lxc.payload";
- const char* str_lxc_monitor_prefix = "lxc.monitor.";
- const char* str_lxc_payload_prefix = "lxc.payload.";
-
- const char* str_nspawn_scope_prefix = "machine-";
- const char* str_nspawn_monitor_label = "/supervisor";
- const char* str_nspawn_payload_label = "/payload";
-
- const char* str_snap_scope_prefix = "snap.";
-
- const char* str_service_suffix = ".service";
- const char* str_scope_suffix = ".scope";
-
- while (*cgroup) {
- if ('/' == *cgroup) {
- while ('/' == *cgroup)
- cgroup++;
-
- if (!w(s, '/'))
- return false;
-
- continue;
- }
-
- const char* labelStart = cgroup;
- const char* nextSlash = strchrnul(labelStart, '/');
- const size_t labelLen = nextSlash - labelStart;
-
- if (Label_checkEqual(labelStart, labelLen, str_system_slice)) {
- cgroup = nextSlash;
-
- if (!StrBuf_putsz(s, w, "[S]"))
- return false;
-
- if (String_startsWith(cgroup, str_system_slice_prefix)) {
- cgroup = strchrnul(cgroup + 1, '/');
- continue;
- }
-
- continue;
- }
-
- if (Label_checkEqual(labelStart, labelLen, str_machine_slice)) {
- cgroup = nextSlash;
-
- if (!StrBuf_putsz(s, w, "[M]"))
- return false;
-
- continue;
- }
-
- if (Label_checkEqual(labelStart, labelLen, str_user_slice)) {
- cgroup = nextSlash;
-
- if (!StrBuf_putsz(s, w, "[U]"))
- return false;
-
- if (!String_startsWith(cgroup, str_user_slice_prefix))
- continue;
-
- const char* userSliceSlash = strchrnul(cgroup + strlen(str_user_slice_prefix), '/');
- const char* sliceSpec = userSliceSlash - strlen(str_slice_suffix);
-
- if (!String_startsWith(sliceSpec, str_slice_suffix))
- continue;
-
- const size_t sliceNameLen = sliceSpec - (cgroup + strlen(str_user_slice_prefix));
-
- s->pos--;
- if (!w(s, ':'))
- return false;
-
- if (!StrBuf_putsn(s, w, cgroup + strlen(str_user_slice_prefix), sliceNameLen))
- return false;
-
- if (!w(s, ']'))
- return false;
-
- cgroup = userSliceSlash;
-
- continue;
- }
-
- if (Label_checkSuffix(labelStart, labelLen, str_slice_suffix)) {
- const size_t sliceNameLen = labelLen - strlen(str_slice_suffix);
-
- if (!w(s, '['))
- return false;
-
- if (!StrBuf_putsn(s, w, cgroup, sliceNameLen))
- return false;
-
- if (!w(s, ']'))
- return false;
-
- cgroup = nextSlash;
-
- continue;
- }
-
- if (Label_checkPrefix(labelStart, labelLen, str_lxc_payload_prefix)) {
- const size_t cgroupNameLen = labelLen - strlen(str_lxc_payload_prefix);
-
- if (!StrBuf_putsz(s, w, "[lxc:"))
- return false;
-
- if (!StrBuf_putsn(s, w, cgroup + strlen(str_lxc_payload_prefix), cgroupNameLen))
- return false;
-
- if (!w(s, ']'))
- return false;
-
- cgroup = nextSlash;
-
- continue;
- }
-
- if (Label_checkPrefix(labelStart, labelLen, str_lxc_monitor_prefix)) {
- const size_t cgroupNameLen = labelLen - strlen(str_lxc_monitor_prefix);
-
- if (!StrBuf_putsz(s, w, "[LXC:"))
- return false;
-
- if (!StrBuf_putsn(s, w, cgroup + strlen(str_lxc_monitor_prefix), cgroupNameLen))
- return false;
-
- if (!w(s, ']'))
- return false;
-
- cgroup = nextSlash;
-
- continue;
- }
-
- // LXC legacy cgroup naming
- if (Label_checkEqual(labelStart, labelLen, str_lxc_monitor_legacy) ||
- Label_checkEqual(labelStart, labelLen, str_lxc_payload_legacy)) {
- bool isMonitor = Label_checkEqual(labelStart, labelLen, str_lxc_monitor_legacy);
-
- labelStart = nextSlash;
- while (*labelStart == '/')
- labelStart++;
-
- nextSlash = strchrnul(labelStart, '/');
- if (nextSlash - labelStart > 0) {
- if (!StrBuf_putsz(s, w, isMonitor ? "[LXC:" : "[lxc:"))
- return false;
-
- if (!StrBuf_putsn(s, w, labelStart, nextSlash - labelStart))
- return false;
-
- if (!w(s, ']'))
- return false;
-
- cgroup = nextSlash;
- continue;
- }
-
- labelStart = cgroup;
- nextSlash = labelStart + labelLen;
- }
-
- if (Label_checkSuffix(labelStart, labelLen, str_service_suffix)) {
- const size_t serviceNameLen = labelLen - strlen(str_service_suffix);
-
- if (String_startsWith(cgroup, "user@")) {
- cgroup = nextSlash;
-
- while (*cgroup == '/')
- cgroup++;
-
- continue;
- }
-
- if (!StrBuf_putsn(s, w, cgroup, serviceNameLen))
- return false;
-
- cgroup = nextSlash;
-
- continue;
- }
-
- if (Label_checkSuffix(labelStart, labelLen, str_scope_suffix)) {
- const size_t scopeNameLen = labelLen - strlen(str_scope_suffix);
-
- if (Label_checkPrefix(labelStart, scopeNameLen, str_nspawn_scope_prefix)) {
- const size_t machineScopeNameLen = scopeNameLen - strlen(str_nspawn_scope_prefix);
-
- const bool is_monitor = String_startsWith(nextSlash, str_nspawn_monitor_label);
-
- if (!StrBuf_putsz(s, w, is_monitor ? "[SNC:" : "[snc:"))
- return false;
-
- if (!StrBuf_putsn(s, w, cgroup + strlen(str_nspawn_scope_prefix), machineScopeNameLen))
- return false;
-
- if (!w(s, ']'))
- return false;
-
- cgroup = nextSlash;
- if (String_startsWith(nextSlash, str_nspawn_monitor_label))
- cgroup += strlen(str_nspawn_monitor_label);
- else if (String_startsWith(nextSlash, str_nspawn_payload_label))
- cgroup += strlen(str_nspawn_payload_label);
-
- continue;
- } else if (Label_checkPrefix(labelStart, scopeNameLen, str_snap_scope_prefix)) {
- const char* nextDot = strchrnul(labelStart + strlen(str_snap_scope_prefix), '.');
-
- if (!StrBuf_putsz(s, w, "!snap:"))
- return false;
-
- if (nextDot >= labelStart + scopeNameLen) {
- nextDot = labelStart + scopeNameLen;
- }
-
- if (!StrBuf_putsn(s, w, labelStart + strlen(str_snap_scope_prefix), nextDot - (labelStart + strlen(str_snap_scope_prefix))))
- return false;
-
- cgroup = nextSlash;
-
- continue;
- }
-
- if (!w(s, '!'))
- return false;
-
- if (!StrBuf_putsn(s, w, cgroup, scopeNameLen))
- return false;
-
- cgroup = nextSlash;
-
- continue;
- }
-
- // Default behavior: Copy the full label
- cgroup = labelStart;
-
- if (!StrBuf_putsn(s, w, cgroup, labelLen))
- return false;
-
- cgroup = nextSlash;
- }
-
- return true;
-}
-
-char* CGroup_filterName(const char* cgroup) {
- StrBuf_state s = {
- .buf = NULL,
- .size = 0,
- .pos = 0,
- };
-
- if (!CGroup_filterName_internal(cgroup, &s, StrBuf_putc_count)) {
- return NULL;
- }
-
- s.buf = xCalloc(s.pos + 1, sizeof(char));
- s.size = s.pos;
- s.pos = 0;
-
- if (!CGroup_filterName_internal(cgroup, &s, StrBuf_putc_write)) {
- free(s.buf);
- return NULL;
- }
-
- s.buf[s.size] = '\0';
- return s.buf;
-}
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