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string to cstring conversions produce the empty C string for nil; this will be consistent with alternative string implementations

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This commit is contained in:
Andreas Rumpf 2018-04-28 11:12:23 +02:00
commit aded62520b
3 changed files with 9 additions and 6 deletions
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2
compiler/ccgexprs.nim
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@ -1740,7 +1740,7 @@ proc genConv(p: BProc, e: PNode, d: var TLoc) =
proc convStrToCStr(p: BProc, n: PNode, d: var TLoc) =
var a: TLoc
initLocExpr(p, n.sons[0], a)
putIntoDest(p, d, n, "$1->data" % [rdLoc(a)],
putIntoDest(p, d, n, "($1 ? $1->data : \"\")" % [rdLoc(a)],
a.storage)
proc convCStrToStr(p: BProc, n: PNode, d: var TLoc) =