Improve the example getpass() implementation to show an error return
Also, modernize the code, so that it isn't trying to store a size_t into an int, and then check the int's sign. :/ Reviewed-by: Rich Salz <rsalz@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/6271)
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@ -346,17 +346,16 @@ Skeleton pass phrase callback:
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int pass_cb(char *buf, int size, int rwflag, void *u)
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{
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int len;
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char *tmp;
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/* We'd probably do something else if 'rwflag' is 1 */
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printf("Enter pass phrase for \"%s\"\n", (char *)u);
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/* get pass phrase, length 'len' into 'tmp' */
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tmp = "hello";
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len = strlen(tmp);
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if (len <= 0)
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return 0;
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char *tmp = "hello";
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if (tmp == NULL) /* An error occurred */
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return -1;
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size_t len = strlen(tmp);
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if (len > size)
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len = size;
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