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authorRob Landley <rob@landley.net>2016-06-08 20:30:08 -0500
committerRob Landley <rob@landley.net>2016-06-08 20:30:08 -0500
commite02e41373ea3288b023e22629764ec02ce4aaee1 (patch)
tree9b971e872a6d2d8ed7fd77f3bbd1188dcdaced2f
parent5786e0ddc59a1792399eaf39ff77dca8edf39721 (diff)
downloadtoybox-e02e41373ea3288b023e22629764ec02ce4aaee1.tar.gz
Change the TNAME behavior to "Show parent argv[0]. If that's blank, showour argv[0]. If that's blank, show [stat2]."
That way threads show their parents, parents show themselves, and kernel threads show the [stat2] name.
-rw-r--r--toys/posix/ps.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c
index def81c55..6a9676c0 100644
--- a/toys/posix/ps.c
+++ b/toys/posix/ps.c
@@ -443,13 +443,24 @@ static char *string_field(struct carveup *tb, struct strawberry *field)
sl *= -1;
// First string slot has offset 0, others are offset[-slot-2]
if (--sl) out += tb->offset[--sl];
+ // If TNAME is blank, show ARGS instead
+ if (which==PS_ARGS && !*out)
+ out = tb->str+tb->offset[-2-typos[which = PS_ARGS].slot];
if (which==PS_ARGS || which==PS_NAME) {
- int i;
+ int i, j;
s = out;
for (i = 0; (which==PS_ARGS) ? i < slot[SLOT_argv0len] : out[i]; i++)
if (out[i] == '/') s = out+i+1;
+ i = s - out;
out = s;
+ if (which != field->which) {
+ j = slot[SLOT_argv0len]-i;
+ if (j > 259) j = 259;
+ memcpy(buf, out+i, j);
+ buf[j] = 0;
+ out = buf;
+ }
}
if (which>=PS_COMM && !*out) sprintf(out = buf, "[%s]", tb->str);