diff options
Diffstat (limited to 'procps/ps.c')
| -rw-r--r-- | procps/ps.c | 79 |
1 files changed, 45 insertions, 34 deletions
diff --git a/procps/ps.c b/procps/ps.c index f8f5c1a..0c9b71e 100644 --- a/procps/ps.c +++ b/procps/ps.c @@ -29,83 +29,90 @@ static void func_args(char *buf, int size, const procps_status_t *ps) if (ps->cmd) safe_strncpy(buf, ps->cmd, size+1); else if (size >= 2) - snprintf(buf, size+1, "[%.*s]", size-2, ps->comm); + sprintf(buf, "[%.*s]", size-2, ps->comm); } static void func_pid(char *buf, int size, const procps_status_t *ps) { - snprintf(buf, size+1, "%*u", size, ps->pid); + sprintf(buf, "%*u", size, ps->pid); } static void func_ppid(char *buf, int size, const procps_status_t *ps) { - snprintf(buf, size+1, "%*u", size, ps->ppid); + sprintf(buf, "%*u", size, ps->ppid); } static void func_pgid(char *buf, int size, const procps_status_t *ps) { - snprintf(buf, size+1, "%*u", size, ps->pgid); + sprintf(buf, "%*u", size, ps->pgid); } static void func_vsz(char *buf, int size, const procps_status_t *ps) { char buf5[5]; smart_ulltoa5( ((unsigned long long)ps->vsz) << 10, buf5); - snprintf(buf, size+1, "%.*s", size, buf5); + sprintf(buf, "%.*s", size, buf5); } +static void func_rss(char *buf, int size, const procps_status_t *ps) +{ + char buf5[5]; + smart_ulltoa5( ((unsigned long long)ps->rss) << 10, buf5); + sprintf(buf, "%.*s", size, buf5); +} + +static void func_tty(char *buf, int size, const procps_status_t *ps) +{ + safe_strncpy(buf, ps->tty_str, size+1); +} /* -void func_nice(char *buf, int size, const procps_status_t *ps) +static void func_nice(char *buf, int size, const procps_status_t *ps) { ps->??? } -void func_etime(char *buf, int size, const procps_status_t *ps) +static void func_etime(char *buf, int size, const procps_status_t *ps) { elapled time [[dd-]hh:]mm:ss } -void func_time(char *buf, int size, const procps_status_t *ps) +static void func_time(char *buf, int size, const procps_status_t *ps) { cumulative time [[dd-]hh:]mm:ss } -void func_pcpu(char *buf, int size, const procps_status_t *ps) -{ -} - -void func_tty(char *buf, int size, const procps_status_t *ps) +static void func_pcpu(char *buf, int size, const procps_status_t *ps) { } */ typedef struct { - char name[8]; + uint16_t width; + char name[6]; const char *header; void (*f)(char *buf, int size, const procps_status_t *ps); int ps_flags; - int width; } ps_out_t; static const ps_out_t out_spec[] = { // Mandated by POSIX: - { "user" ,"USER" ,func_user ,PSSCAN_UIDGID,8 }, - { "comm" ,"COMMAND",func_comm ,PSSCAN_COMM ,16 }, - { "args" ,"COMMAND",func_args ,PSSCAN_CMD|PSSCAN_COMM,256 }, - { "pid" ,"PID" ,func_pid ,PSSCAN_PID ,5 }, - { "ppid" ,"PPID" ,func_ppid ,PSSCAN_PPID ,5 }, - { "pgid" ,"PGID" ,func_pgid ,PSSCAN_PGID ,5 }, -// { "etime" ,"ELAPSED",func_etime ,PSSCAN_ ,sizeof("ELAPSED")-1 }, -// { "group" ,"GROUP" ,func_group ,PSSCAN_UIDGID,sizeof("GROUP" )-1 }, -// { "nice" ,"NI" ,func_nice ,PSSCAN_ ,sizeof("NI" )-1 }, -// { "pcpu" ,"%CPU" ,func_pcpu ,PSSCAN_ ,sizeof("%CPU" )-1 }, -// { "rgroup","RGROUP" ,func_rgroup,PSSCAN_UIDGID,sizeof("RGROUP" )-1 }, -// { "ruser" ,"RUSER" ,func_ruser ,PSSCAN_UIDGID,sizeof("RUSER" )-1 }, -// { "time" ,"TIME" ,func_time ,PSSCAN_ ,sizeof("TIME" )-1 }, -// { "tty" ,"TT" ,func_tty ,PSSCAN_ ,sizeof("TT" )-1 }, - { "vsz" ,"VSZ" ,func_vsz ,PSSCAN_VSZ ,4 }, -// Not mandated by POSIX: -// { "rss" ,"RSS" ,func_rss ,PSSCAN_RSS ,4 }, + { 8 , "user" ,"USER" ,func_user ,PSSCAN_UIDGID }, + { 16 , "comm" ,"COMMAND",func_comm ,PSSCAN_COMM }, + { 256 , "args" ,"COMMAND",func_args ,PSSCAN_CMD|PSSCAN_COMM }, + { 5 , "pid" ,"PID" ,func_pid ,PSSCAN_PID }, + { 5 , "ppid" ,"PPID" ,func_ppid ,PSSCAN_PPID }, + { 5 , "pgid" ,"PGID" ,func_pgid ,PSSCAN_PGID }, +// { sizeof("ELAPSED")-1, "etime" ,"ELAPSED",func_etime ,PSSCAN_ }, +// { sizeof("GROUP" )-1, "group" ,"GROUP" ,func_group ,PSSCAN_UIDGID }, +// { sizeof("NI" )-1, "nice" ,"NI" ,func_nice ,PSSCAN_ }, +// { sizeof("%CPU" )-1, "pcpu" ,"%CPU" ,func_pcpu ,PSSCAN_ }, +// { sizeof("RGROUP" )-1, "rgroup","RGROUP" ,func_rgroup,PSSCAN_UIDGID }, +// { sizeof("RUSER" )-1, "ruser" ,"RUSER" ,func_ruser ,PSSCAN_UIDGID }, +// { sizeof("TIME" )-1, "time" ,"TIME" ,func_time ,PSSCAN_ }, + { sizeof("TT" )-1, "tty" ,"TT" ,func_tty ,PSSCAN_TTY }, + { 4 , "vsz" ,"VSZ" ,func_vsz ,PSSCAN_VSZ }, +// Not mandated by POSIX, but useful: + { 4 , "rss" ,"RSS" ,func_rss ,PSSCAN_RSS }, }; #define VEC_SIZE(v) ( sizeof(v) / sizeof((v)[0]) ) @@ -152,6 +159,8 @@ static void parse_o(char* opt) } break; } + // opt points to last spec in comma separated list. + // This one can have =HEADER part. new = new_out_t(); if (equal) *equal = '\0'; @@ -190,9 +199,11 @@ static void format_header(void) { int i; ps_out_t* op; - char *p = buffer; + char *p; + if (!print_header) return; + p = buffer; i = 0; if (out_cnt) { while (1) { @@ -248,7 +259,7 @@ int ps_main(int argc, char **argv) // -f Generate a full listing // -l Generate a long listing // -o col1,col2,col3=header - // Select which columns to distplay + // Select which columns to display /* We allow (and ignore) most of the above. FIXME */ opt_complementary = "o::"; getopt32(argc, argv, "o:aAdefl", &opt_o); |