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Use macro for CRC8 table length

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Arun Prakash Jana 2018-01-19 20:39:23 +05:30
parent 98c79a69b5
commit e797a7eefd
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1 changed files with 3 additions and 2 deletions
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nnn.c
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@ -173,6 +173,7 @@ disabledbg()
#define WIDTH (8 * sizeof(unsigned char)) #define WIDTH (8 * sizeof(unsigned char))
#define TOPBIT (1 << (WIDTH - 1)) #define TOPBIT (1 << (WIDTH - 1))
#define POLYNOMIAL 0xD8 /* 11011 followed by 0's */ #define POLYNOMIAL 0xD8 /* 11011 followed by 0's */
#define CRC8_TABLE_LEN 256
/* Function macros */ /* Function macros */
#define exitcurses() endwin() #define exitcurses() endwin()
@ -252,7 +253,7 @@ static ulong num_files;
static uint open_max; static uint open_max;
static bm bookmark[BM_MAX]; static bm bookmark[BM_MAX];
static uchar crc8table[256]; static uchar crc8table[CRC8_TABLE_LEN];
static uchar g_crc; static uchar g_crc;
#ifdef LINUX_INOTIFY #ifdef LINUX_INOTIFY
@ -317,7 +318,7 @@ crc8init()
uint dividend; uint dividend;
/* Compute the remainder of each possible dividend */ /* Compute the remainder of each possible dividend */
for (dividend = 0; dividend < 256; ++dividend) for (dividend = 0; dividend < CRC8_TABLE_LEN; ++dividend)
{ {
/* Start with the dividend followed by zeros */ /* Start with the dividend followed by zeros */
remainder = dividend << (WIDTH - 8); remainder = dividend << (WIDTH - 8);