PVS-Studio problems

[rtsisyk]

The list of problems found by PVS Studio by Viva64 in 1.1-6-g466b6a6:

• test/msgpuck.c:350 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:351 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:352 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:353 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:354 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:355 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:356 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:357 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:358 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:359 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:360 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:361 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:373 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:374 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:375 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:376 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:377 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:378 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:379 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:380 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:381 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:382 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:383 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:384 warn V512 A call of the 'memcmp' function will lead to underflow of the buffer 's1'.
• test/msgpuck.c:706 warn V587 An odd sequence of assignments of this kind: A = B; B = A;. Check lines: 704, 706.