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string.c: fix memory leak in String#crypt

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Use ALLOCV to allocate struct crypt_data for slightly cleaner and less
error-prone code. It is currently possible it leaks when an invalid
argument is passed to String#crypt or rb_str_new_cstr() fails to
allocate memory.

SIZEOF_CRYPT_DATA macro in missing/crypt.h is removed since it is not
used any longer.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60748 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
rhe 2017-11-12 15:55:04 +00:00
parent 4eb3457076
commit 0b845a8458
2 changed files with 6 additions and 14 deletions
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2
missing/crypt.h
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@ -237,8 +237,6 @@ struct crypt_data {
char cryptresult[1+4+4+11+1]; /* encrypted result */
};
#define SIZEOF_CRYPT_DATA (KS_SIZE*8+(1+4+4+11+1))
char *crypt(const char *key, const char *setting);
void setkey(const char *key);
void encrypt(char *block, int flag);