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processMultiBulkItem truncates the value read from readLongLong,
resulting in a corrupted state when the next item is read.
createArray takes an int, so bound to INT_MAX.
Inspection showed that processBulkItem had the same truncation issue.
createString takes size_t, so bound to SIZE_MAX. This only has an
effect on 32-bit platforms.
A strict lower bound is also added, since negative lengths other
than -1 are invalid according to RESP.
Signed-off-by: Justin Brewer <jzb0012@auburn.edu>
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Badly formatted or out-of-range integers are now protocol errors.
Signed-off-by: Justin Brewer <jzb0012@auburn.edu>
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free(NULL) is a valid NOP. Most of the hiredis free functions behave the
same way. redisReaderFree is updated to also be NULL-safe.
There is one redundant NULL check at sds.c:1036, but it's left as is
since sds is imported from upstream.
Signed-off-by: Justin Brewer <jzb0012@auburn.edu>
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calloc is guaranteed to provide a zero-initialized buffer. There is
no need to set fields to zero explicitly.
Signed-off-by: Justin Brewer <jzb0012@auburn.edu>
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static char *seekNewline(char *s, size_t len) :
this function can not parse the string,such as "hello world\r". the case that the last char is '\r'.
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For hiredis-py and others support on windows.
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Makes hiredis reading functions easier to include in external projects
[fixed all merge conflicts against current version]
Closes #249
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