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Merge pull request #1199 from geoffw0/printfld

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CPP: Support %Ld in printf.qll
This commit is contained in:
Jonas Jensen
2019-04-03 15:38:16 +02:00
committed by GitHub
parent b79b53f5e3 aa21db3ed3
commit d0091b28ee
10 changed files with 44 additions and 14 deletions
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10
cpp/ql/src/semmle/code/cpp/commons/Printf.qll
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@@ -572,9 +572,8 @@ class FormatLiteral extends Literal {
((len="hh" and result instanceof IntType)
or (len="h" and result instanceof IntType)
or (len="l" and result = this.getLongType())
or ((len="ll" or len="q")
or ((len="ll" or len="L" or len="q")
and result instanceof LongLongType)
or (len="L" and result instanceof IntType) // doesn't affect integral conversion
or (len="j" and result = this.getIntmax_t())
or ((len="z" or len="Z")
and (result = this.getSize_t() or result = this.getSsize_t()))
@@ -599,9 +598,8 @@ class FormatLiteral extends Literal {
((len="hh" and result instanceof CharType)
or (len="h" and result instanceof ShortType)
or (len="l" and result = this.getLongType())
or ((len="ll" or len="q")
or ((len="ll" or len="L" or len="q")
and result instanceof LongLongType)
or (len="L" and result instanceof IntType) // doesn't affect integral conversion
or (len="j" and result = this.getIntmax_t())
or ((len="z" or len="Z")
and (result = this.getSize_t() or result = this.getSsize_t()))
@@ -622,7 +620,7 @@ class FormatLiteral extends Literal {
*/
FloatingPointType getFloatingPointConversion(int n) {
exists(string len | len = this.getLength(n) and
if len="L" then
if (len="L" or len="ll") then
result instanceof LongDoubleType
else
result instanceof DoubleType)
@@ -638,7 +636,7 @@ class FormatLiteral extends Literal {
(len="hh" and base instanceof CharType)
or (len="h" and base instanceof ShortType)
or (len="l" and base = this.getLongType())
or (len="ll" and base instanceof LongLongType)
or ((len="ll" or len="L") and base instanceof LongLongType)
or (len="q" and base instanceof LongLongType)
)
and base.isSigned() and base = result.getBaseType()