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library: once again properly ignore a final empty cgroup

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Commit a5881b5a4e5056d13906ce6128f6aa180d67d60e, addressing
command lines with a trailing space, produced an undesirable
side effect in the fill_cgroup_cvt() function.

This patch restores correct cgroup behavior while still
producing command lines with no trailing space.
This commit is contained in:
Jim Warner 2011-12-11 12:00:50 -06:00 committed by Craig Small
parent 229be7b160
commit c3a1239efe
1 changed files with 2 additions and 1 deletions
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3
proc/readproc.c
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@ -611,9 +611,10 @@ static int read_unvectored(char *restrict const dst, unsigned sz, const char* wh
} }
close(fd); close(fd);
if(n){ if(n){
int i=n-1; int i=n;
while(i--) while(i--)
if(dst[i]=='\n' || dst[i]=='\0') dst[i]=sep; if(dst[i]=='\n' || dst[i]=='\0') dst[i]=sep;
if(dst[n-1]==' ') dst[n-1]='\0';
} }
dst[n] = '\0'; dst[n] = '\0';
return n; return n;