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Overview
| Comment: | [824752f10e] More robust, portable check for integer overflow. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
cf3aa0440e048aa365999a365195f3b6 |
| User & Date: | dgp 2016-11-04 14:48:36 |
Context
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2016-11-04
| ||
| 14:49 | merge mark check-in: 9cd4c5200b user: dgp tags: trunk | |
| 14:48 | [824752f10e] More robust, portable check for integer overflow. check-in: cf3aa0440e user: dgp tags: trunk | |
| 14:42 | close fork check-in: e5a5037389 user: dgp tags: trunk | |
| 14:40 | [824752f10e] More robust, portable check for integer overflow. check-in: b2a4266498 user: dgp tags: core-8-6-branch | |
Changes
Changes to generic/tclListObj.c.
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first = 0;
}
if (first >= numElems) {
first = numElems; /* So we'll insert after last element. */
}
if (count < 0) {
count = 0;
| > | < < < < | 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 |
first = 0;
}
if (first >= numElems) {
first = numElems; /* So we'll insert after last element. */
}
if (count < 0) {
count = 0;
} else if (first > INT_MAX - count /* Handle integer overflow */
|| numElems < first+count) {
count = numElems - first;
}
if (objc > LIST_MAX - (numElems - count)) {
if (interp != NULL) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
|
| ︙ | ︙ |