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init olen to avoid some (false positive) compiler warnings

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olen is assigned by OpenSSL, but the compiler can't know that and generates these warnings:

  warning: src/borg/crypto/low_level.pyx:271:22: local variable 'olen' referenced before assignment
  warning: src/borg/crypto/low_level.pyx:274:22: local variable 'olen' referenced before assignment
  warning: src/borg/crypto/low_level.pyx:314:22: local variable 'olen' referenced before assignment
  warning: src/borg/crypto/low_level.pyx:317:22: local variable 'olen' referenced before assignment
  warning: src/borg/crypto/low_level.pyx:514:22: local variable 'olen' referenced before assignment
  warning: src/borg/crypto/low_level.pyx:517:22: local variable 'olen' referenced before assignment
  warning: src/borg/crypto/low_level.pyx:566:22: local variable 'olen' referenced before assignment
  warning: src/borg/crypto/low_level.pyx:572:22: local variable 'olen' referenced before assignment
This commit is contained in:
Thomas Waldmann 2022-03-22 20:19:21 +01:00
parent 10cbdcc67e
commit c66826528b
1 changed files with 4 additions and 4 deletions
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8
src/borg/crypto/low_level.pyx
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@ -252,7 +252,7 @@ cdef class AES256_CTR_BASE:
ilen + self.cipher_blk_len) # play safe, 1 extra blk
if not odata:
raise MemoryError
cdef int olen
cdef int olen = 0
cdef int offset
cdef Py_buffer idata = ro_buffer(data)
cdef Py_buffer hdata = ro_buffer(header)
@ -293,7 +293,7 @@ cdef class AES256_CTR_BASE:
cdef unsigned char *odata = <unsigned char *>PyMem_Malloc(ilen + self.cipher_blk_len) # play safe, 1 extra blk
if not odata:
raise MemoryError
cdef int olen
cdef int olen = 0
cdef int offset
cdef unsigned char mac_buf[32]
assert sizeof(mac_buf) == self.mac_len
@ -488,7 +488,7 @@ cdef class _AEAD_BASE:
ilen + self.cipher_blk_len)
if not odata:
raise MemoryError
cdef int olen
cdef int olen = 0
cdef int offset
cdef Py_buffer idata = ro_buffer(data)
cdef Py_buffer hdata = ro_buffer(header)
@ -543,7 +543,7 @@ cdef class _AEAD_BASE:
cdef unsigned char *odata = <unsigned char *>PyMem_Malloc(ilen + self.cipher_blk_len)
if not odata:
raise MemoryError
cdef int olen
cdef int olen = 0
cdef int offset
cdef Py_buffer idata = ro_buffer(envelope)
cdef Py_buffer aadata = ro_buffer(aad)