build, library & top: make OOMEM options unconditional

It was probably always wrong to have a variable length
proc_t structure. This patch takes all remaining oomem
former suse only options and makes them unconditional.

Signed-off-by: Jim Warner <james.warner@comcast.net>

configure.ac

@@ -189,14 +189,6 @@ AC_ARG_ENABLE([examples],
 )
 AM_CONDITIONAL(EXAMPLE_FILES, test "x$enable_examples" = xyes)
 
-AC_ARG_ENABLE([oomem],
-  AS_HELP_STRING([--enable-oomem], [add out-of-memory fields to the library and top]),
-  [], [enable_oomem=no]
-)
-if test "x$enable_oomem" = xyes; then
-  AC_DEFINE(OOMEM_ENABLE, 1, [add out-of-memory fields to the library and top])
-fi
-
 AC_ARG_ENABLE([sigwinch],
   AS_HELP_STRING([--enable-sigwinch], [reduce impact of x-windows resize operations on top]),
   [], [enable_sigwinch=no]

proc/readproc.c

@@ -458,7 +458,6 @@ static void supgrps_from_supgids (proc_t *p) {
 }
 
 ///////////////////////////////////////////////////////////////////////
-#ifdef OOMEM_ENABLE
 static void oomscore2proc(const char* S, proc_t *restrict P)
 {
     sscanf(S, "%d", &P->oom_score);
@@ -468,7 +467,6 @@ static void oomadj2proc(const char* S, proc_t *restrict P)
 {
     sscanf(S, "%d", &P->oom_adj);
 }
-#endif
 ///////////////////////////////////////////////////////////////////////
 
 static const char *ns_names[] = {
@@ -985,14 +983,12 @@ static proc_t* simple_readproc(PROCTAB *restrict const PT, proc_t *restrict cons
     } else
         p->cgroup = NULL;
 
-#ifdef OOMEM_ENABLE
     if (unlikely(flags & PROC_FILLOOM)) {
         if (likely(file2str(path, "oom_score", &ub) != -1))
             oomscore2proc(ub.buf, p);
         if (likely(file2str(path, "oom_adj", &ub) != -1))
             oomadj2proc(ub.buf, p);
     }
-#endif
 
     if (unlikely(flags & PROC_FILLNS))          // read /proc/#/ns/*
         ns2proc(path, p);
@@ -1144,14 +1140,12 @@ static proc_t* simple_readtask(PROCTAB *restrict const PT, const proc_t *restric
     }
 #endif
 
-#ifdef OOMEM_ENABLE
     if (unlikely(flags & PROC_FILLOOM)) {
         if (likely(file2str(path, "oom_score", &ub) != -1))
             oomscore2proc(ub.buf, t);
         if (likely(file2str(path, "oom_adj", &ub) != -1))
             oomadj2proc(ub.buf, t);
     }
-#endif
 
     if (unlikely(flags & PROC_FILLNS))                  // read /proc/#/task/#/ns/*
         ns2proc(path, t);

proc/readproc.h

@@ -160,11 +160,9 @@ typedef struct proc_t {
 	tpgid,		// stat            terminal process group id
 	exit_signal,	// stat            might not be SIGCHLD
 	processor;      // stat            current (or most recent?) CPU
-#ifdef OOMEM_ENABLE
     int
         oom_score,      // oom_score       (badness for OOM killer)
         oom_adj;        // oom_adj         (adjustment to OOM score)
-#endif
     long
         ns[NUM_NS];     // (ns subdir)     inode number of namespaces
     char

top/top.c

@@ -1583,12 +1583,8 @@ static struct {
    {    -1,     -1,  A_left,      0,     0,  PROCPS_PIDS_SUPGIDS       },  // str      EU_SGD
    {    -1,     -1,  A_left,      0,     0,  PROCPS_PIDS_SUPGROUPS     },  // str      EU_SGN
    {     0,     -1,  A_right,     0,     0,  PROCPS_PIDS_ID_TGID       },  // s_int    EU_TGD
-#ifdef OOMEM_ENABLE
- #define L_oom      PROC_FILLOOM
    {     3,     -1,  A_right,     0,     0,  PROCPS_PIDS_OOM_ADJ       },  // s_int    EU_OOA
    {     8,     -1,  A_right,     0,     0,  PROCPS_PIDS_OOM_SCORE     },  // s_int    EU_OOM
- #undef L_oom
-#endif
    {    -1,     -1,  A_left,      0,     0,  PROCPS_PIDS_ENVIRON       },  // str      EU_ENV
    {     3,     -1,  A_right,     0,     0,  PROCPS_PIDS_FLT_MAJ_DELTA },  // ul_int   EU_FV1
    {     3,     -1,  A_right,     0,     0,  PROCPS_PIDS_FLT_MIN_DELTA },  // ul_int   EU_FV2
@@ -3012,11 +3008,7 @@ static int config_cvt (WIN_t *q) {
     #undef old_Show_THREAD
    };
    static const char fields_src[] = CVT_FIELDS;
-#ifdef OOMEM_ENABLE
    char fields_dst[PFLAGSSIZ], *p1, *p2;
-#else
-   char fields_dst[PFLAGSSIZ];
-#endif
    int i, j, x;
 
    // first we'll touch up this window's winflags...
@@ -3035,14 +3027,12 @@ static int config_cvt (WIN_t *q) {
    if (j > CVT_FLDMAX)
       return 1;
    strcpy(fields_dst, fields_src);
-#ifdef OOMEM_ENABLE
    /* all other fields represent the 'on' state with a capitalized version
       of a particular qwerty key.  for the 2 additional suse out-of-memory
       fields it makes perfect sense to do the exact opposite, doesn't it?
       in any case, we must turn them 'off' temporarily... */
    if ((p1 = strchr(q->rc.fieldscur, '[')))  *p1 = '{';
    if ((p2 = strchr(q->rc.fieldscur, '\\'))) *p2 = '|';
-#endif
    for (i = 0; i < j; i++) {
       int c = q->rc.fieldscur[i];
       x = tolower(c) - 'a';
@@ -3052,11 +3042,9 @@ static int config_cvt (WIN_t *q) {
       if (isupper(c))
          FLDon(fields_dst[i]);
    }
-#ifdef OOMEM_ENABLE
    // if we turned any suse only fields off, turn 'em back on OUR way...
    if (p1) FLDon(fields_dst[p1 - q->rc.fieldscur]);
    if (p2) FLDon(fields_dst[p2 - q->rc.fieldscur]);
-#endif
    strcpy(q->rc.fieldscur, fields_dst);
 
    // lastly, we must adjust the old sort field enum...

top/top.h

@@ -28,7 +28,6 @@
 //#define BOOST_PERCNT            /* enable extra precision for two % fields */
 //#define NOBOOST_MEMS            /* disable extra precision for mem fields  */
 //#define NUMA_DISABLE            /* disable summary area NUMA/Nodes display */
-//#define OOMEM_ENABLE            /* enable the SuSE out-of-memory additions */
 //#define ORIG_TOPDEFS            /* with no rcfile retain original defaults */
 //#define SIGNALS_LESS            /* favor reduced signal load over response */
 
@@ -181,9 +180,7 @@ enum pflag {
    EU_FL1, EU_FL2, EU_DRT,
    EU_STA, EU_CMD, EU_WCH, EU_FLG, EU_CGR,
    EU_SGD, EU_SGN, EU_TGD,
-#ifdef OOMEM_ENABLE
    EU_OOA, EU_OOM,
-#endif
    EU_ENV,
    EU_FV1, EU_FV2,
    EU_USE,
@@ -531,16 +528,11 @@ typedef struct WIN_t {
 #define JOB_FIELDS  "¥¦¹·º(³´Ä»½@<§Å)*+,-./012568>?ABCFGHIJKLMNOPQRSTUVWXYZ[" RCF_PLUS_H
 #define MEM_FIELDS  "¥º»<½¾¿ÀÁMBNÃD34·Å&'()*+,-./0125689FGHIJKLOPQRSTUVWXYZ[" RCF_PLUS_H
 #define USR_FIELDS  "¥¦§¨ª°¹·ºÄÅ)+,-./1234568;<=>?@ABCFGHIJKLMNOPQRSTUVWXYZ[" RCF_PLUS_H
-#ifdef OOMEM_ENABLE
+        // old top fields ( 'a'-'z' ) in positions 0-25
-        // the suse old top fields ( 'a'-'z' + '{|' ) in positions 0-27
+        // other suse old top fields ( '{|' ) in positions 26-27
-        // ( the extra chars above represent the 'off' state )
 #define CVT_FIELDS  "%&*'(-0346789:;<=>?@ACDEFGML)+,./125BHIJKNOPQRSTUVWXYZ["
 #define CVT_FLDMAX  28
-#else
+
-        // other old top fields ( 'a'-'z' ) in positions 0-25
-#define CVT_FIELDS  "%&*'(-0346789:;<=>?@ACDEFG)+,./125BHIJKLMNOPQRSTUVWXYZ["
-#define CVT_FLDMAX  26
-#endif
 
         /* The default values for the local config file */
 #define DEF_RCFILE { \

top/top_nls.c

@@ -237,14 +237,12 @@ static void build_two_nlstabs (void) {
 /* Translation Hint: maximum 'TGID' = 5 */
    Head_nlstab[EU_TGD] = _("TGID");
    Desc_nlstab[EU_TGD] = _("Thread Group Id");
-#ifdef OOMEM_ENABLE
 /* Translation Hint: maximum 'Adj' = 3 */
    Head_nlstab[EU_OOA] = _("Adj");
    Desc_nlstab[EU_OOA] = _("oom_adjustment (2^X)");
 /* Translation Hint: maximum 'Badness' = 7 */
    Head_nlstab[EU_OOM] = _("Badness");
    Desc_nlstab[EU_OOM] = _("oom_score (badness)");
-#endif
 /* Translation Hint: maximum 'ENVIRON' = 7 */
    Head_nlstab[EU_ENV] = _("ENVIRON");
 /* Translation Hint: the abbreviation 'vars' below is shorthand for