■

ちなみに

wコマンドでは8文字制限を発見。

strncpy(uname, u->ut_user, USERSZ); /* force NUL term for printf */
if (formtype) {
printf("%-9.8s%-9.8s", uname, u->ut_line);

topコマンドも

static FLD_t Fieldstab[] = {
/* .lflg anomolies:
P_UID, L_NONE - natural outgrowth of 'stat()' in readproc (euid)
P_CPU, L_stat - never filled by libproc, but requires times (pcpu)
P_CMD, L_stat - may yet require L_CMDLINE in reframewins (cmd/cmdline)
L_EITHER - must L_status, else 64-bit math, __udivdi3 on 32-bit !
keys head fmts width scale sort desc lflg
------ ----------- ------- ------ ----- ----- ---------------------- -------- */
{ "AaAa", " PID", " %5u", -1, -1, SF(PID), "Process Id", L_NONE },
{ "BbBb", " PPID", " %5u", -1, -1, SF(PPD), "Parent Process Pid", L_EITHER },
{ "CcQq", " RUSER ", " %-8.8s", -1, -1, SF(URR), "Real user name", L_RUSER },
{ "DdCc", " UID", " %4u", -1, -1, SF(UID), "User Id", L_NONE },
{ "EeDd", " USER ", " %-8.8s", -1, -1, SF(URE), "User Name", L_EUSER },
{ "FfNn", " GROUP ", " %-8.8s", -1, -1, SF(GRP), "Group Name", L_GROUP },
{ "GgGg", " TTY ", " %-8.8s", 8, -1, SF(TTY), "Controlling Tty", L_stat },
{ "HhHh", " PR", " %3d", -1, -1, SF(PRI), "Priority", L_stat },
{ "IiIi", " NI", " %3d", -1, -1, SF(NCE), "Nice value", L_stat },
{ "JjYy", " #C", " %2u", -1, -1, SF(CPN), "Last used cpu (SMP)", L_stat },
{ "KkEe", " %CPU", " %#4.1f", -1, -1, SF(CPU), "CPU usage", L_stat },
{ "LlWw", " TIME", " %6.6s", 6, -1, SF(TME), "CPU Time", L_stat },
{ "MmRr", " TIME+ ", " %9.9s", 9, -1, SF(TME), "CPU Time, hundredths", L_stat },
{ "NnFf", " %MEM", " %#4.1f", -1, -1, SF(RES), "Memory usage (RES)", L_statm },
{ "OoMm", " VIRT", " %5.5s", 5, SK_Kb, SF(VRT), "Virtual Image (kb)", L_statm },
{ "PpOo", " SWAP", " %4.4s", 4, SK_Kb, SF(SWP), "Swapped size (kb)", L_statm },
{ "QqTt", " RES", " %4.4s", 4, SK_Kb, SF(RES), "Resident size (kb)", L_statm },
{ "RrKk", " CODE", " %4.4s", 4, SK_Kb, SF(COD), "Code size (kb)", L_statm },
{ "SsLl", " DATA", " %4.4s", 4, SK_Kb, SF(DAT), "Data+Stack size (kb)", L_statm },
{ "TtPp", " SHR", " %4.4s", 4, SK_Kb, SF(SHR), "Shared Mem size (kb)", L_statm },
{ "UuJj", " nFLT", " %4.4s", 4, SK_no, SF(FLT), "Page Fault count", L_stat },
{ "VvSs", " nDRT", " %4.4s", 4, SK_no, SF(DRT), "Dirty Pages count", L_statm },
{ "WwVv", " S", " %c", -1, -1, SF(STA), "Process Status", L_EITHER },