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top: modify 'focus' strv function to display 'n/a' too <=== port of newlib fc3ba30a

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______________________________ original newlib message

This commit just brings that 'bot_focus_strv' function
up to the same standard as the vanilla 'bot_focus_str'
guy. Namely, if there is no cmdline or environ for any
process, that bottom window will now display an 'n/a'.

[ with the nature of those string vectors, it wasn't ]
[ the same simple process found for regular strings. ]

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2022-06-15 00:00:00 -05:00 committed by Craig Small
parent 30ef314c36
commit eef0c8c590
1 changed files with 3 additions and 1 deletions
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top/top.c
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@ -5165,9 +5165,11 @@ static int bot_focus_strv (const char *hdr, const char **strv) {
if (strv) {
// we're a little careless with overhead here (it's a one time cost)
memset(Bot_buf, '\0', sizeof(Bot_buf));
n = (void*)&strv[0] - (void*)strv[0];
n = (char*)&strv[0] - strv[0];
if (n >= sizeof(Bot_buf)) n = sizeof(Bot_buf) - 1;
memcpy(Bot_buf, strv[0], n);
if (!Bot_buf[0] || (!strcmp(Bot_buf, "-") && n <= sizeof(char*)))
strcpy(Bot_buf, "n/a");
for (nsav= 0, p = Bot_buf; strv[nsav] != NULL; nsav++) {
p += strlen(strv[nsav]) + 1;
if ((p - Bot_buf) >= sizeof(Bot_buf))