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Limit insert-file-contents to MAX_ALLOCA

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* src/fileio.c (READ_BUF_SIZE): Don’t allocate more than
MAX_ALLOCA bytes in a single stack array.
This commit is contained in:
Paul Eggert 2017-06-21 17:15:49 -07:00
parent b7dfd39c8b
commit 07a3386fbb
1 changed files with 1 additions and 5 deletions
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6
src/fileio.c
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@ -3306,11 +3306,7 @@ otherwise, if FILE2 does not exist, the answer is t. */)
? Qt : Qnil);
}
#ifndef READ_BUF_SIZE
#define READ_BUF_SIZE (64 << 10)
#endif
/* Some buffer offsets are stored in 'int' variables. */
verify (READ_BUF_SIZE <= INT_MAX);
enum { READ_BUF_SIZE = MAX_ALLOCA };
/* This function is called after Lisp functions to decide a coding
system are called, or when they cause an error. Before they are