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C++: Fix FormatLiteral.getMaxConvertedLength bug.

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This commit is contained in:
Geoffrey White
2022-10-21 16:48:12 +01:00
parent 06e86accac
commit 0d030d2b13
2 changed files with 26 additions and 26 deletions
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36
cpp/ql/lib/semmle/code/cpp/commons/Printf.qll
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@@ -1125,12 +1125,12 @@ class FormatLiteral extends Literal {
exists(int dot, int afterdot |
(if this.getPrecision(n) = 0 then dot = 0 else dot = 1) and
(
(
if this.hasExplicitPrecision(n)
then afterdot = this.getPrecision(n)
else not this.hasImplicitPrecision(n)
) and
afterdot = 6
if this.hasExplicitPrecision(n)
then afterdot = this.getPrecision(n)
else (
not this.hasImplicitPrecision(n) and
afterdot = 6
)
) and
len = 1 + 309 + dot + afterdot
) and
@@ -1140,12 +1140,12 @@ class FormatLiteral extends Literal {
exists(int dot, int afterdot |
(if this.getPrecision(n) = 0 then dot = 0 else dot = 1) and
(
(
if this.hasExplicitPrecision(n)
then afterdot = this.getPrecision(n)
else not this.hasImplicitPrecision(n)
) and
afterdot = 6
if this.hasExplicitPrecision(n)
then afterdot = this.getPrecision(n)
else (
not this.hasImplicitPrecision(n) and
afterdot = 6
)
) and
len = 1 + 1 + dot + afterdot + 1 + 1 + 3
) and
@@ -1155,12 +1155,12 @@ class FormatLiteral extends Literal {
exists(int dot, int afterdot |
(if this.getPrecision(n) = 0 then dot = 0 else dot = 1) and
(
(
if this.hasExplicitPrecision(n)
then afterdot = this.getPrecision(n)
else not this.hasImplicitPrecision(n)
) and
afterdot = 6
if this.hasExplicitPrecision(n)
then afterdot = this.getPrecision(n)
else (
not this.hasImplicitPrecision(n) and
afterdot = 6
)
) and
// note: this could be displayed in the style %e or %f;
// however %f is only used when 'P > X >= -4'