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| author | Cody Peter Mello <melloc@writev.io> | 2018-09-14 19:56:34 -0700 |
|---|---|---|
| committer | Cody Peter Mello <melloc@writev.io> | 2018-09-14 19:56:34 -0700 |
| commit | e059b3b197ce7da33b8b0b3529af65fb85b25186 (patch) | |
| tree | 7ced5f2f57c2c38870d8c85e7b720f0ab71f4f17 /bugs-fixed | |
| parent | 2dc7e5ff1a4feeeb549f32706cf34e17aba89192 (diff) | |
| download | one-true-awk-e059b3b197ce7da33b8b0b3529af65fb85b25186.tar.gz | |
Protect against overflowing during OFMT/CONVFMT conversions
Diffstat (limited to 'bugs-fixed')
| -rw-r--r-- | bugs-fixed/README | 4 | ||||
| -rw-r--r-- | bugs-fixed/fmt-overflow.awk | 1 | ||||
| -rw-r--r-- | bugs-fixed/fmt-overflow.ok | 1 |
3 files changed, 6 insertions, 0 deletions
diff --git a/bugs-fixed/README b/bugs-fixed/README index 222ef68..7c18979 100644 --- a/bugs-fixed/README +++ b/bugs-fixed/README @@ -23,3 +23,7 @@ and also if CONVFMT changed. 7. unary-plus: Unary plus on a string constant returned the string. Instead, it should convert the value to numeric and give that value. + +X. fmt-overflow: The buffer used for OFMT/CONVFMT conversions was written +to with sprintf(), which meant that some conversions could write past the +end. diff --git a/bugs-fixed/fmt-overflow.awk b/bugs-fixed/fmt-overflow.awk new file mode 100644 index 0000000..bf5877e --- /dev/null +++ b/bugs-fixed/fmt-overflow.awk @@ -0,0 +1 @@ +BEGIN { OFMT = "%.1000f"; print 1.25; } diff --git a/bugs-fixed/fmt-overflow.ok b/bugs-fixed/fmt-overflow.ok new file mode 100644 index 0000000..5f7449e --- /dev/null +++ b/bugs-fixed/fmt-overflow.ok @@ -0,0 +1 @@ +1.2500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 |