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Misc. OpenBSD tuneup and improvement

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Including:

 o set *basenameEnd even in error cases (FreeBSD probably needs this)

 o use kvm_openfiles(3) rather than kvm_open(3) so that we can report
   errors (as with FreeBSD)

 o sanify the process argument list creation by using strlcat(3)

 o drop the pageSizeKb variable and use the PAGE_SIZE_KB macro directly,
   as the page size can't change anyway

 o clean up a few macros, add MINIMUM() and MAXIMUM() (should be
   mirrored to FreeBSD)

 o fix some syntax

 o add some useful comments
This commit is contained in:
Michael McConville
2016-03-05 23:23:29 -05:00
parent 63c55854e5
commit b08cb7352e
2 changed files with 67 additions and 44 deletions
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14
openbsd/OpenBSDProcessList.h
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@ -27,10 +27,20 @@ typedef struct OpenBSDProcessList_ {
} OpenBSDProcessList;
#ifndef CLAMP
#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))
/*
* avoid relying on or conflicting with MIN() and MAX() in sys/param.h
*/
#ifndef MINIMUM
#define MINIMUM(x, y) ((x) > (y) ? (y) : (x))
#endif
#ifndef MAXIMUM
#define MAXIMUM(x, y) ((x) > (y) ? (x) : (y))
#endif
#ifndef CLAMP
#define CLAMP(x, low, high) (((x) > (high)) ? (high) : MAXIMUM(x, low))
#endif
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, uid_t userId);