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Author: ptsource

LIBS/BLOCKADE/ALLSTDS.H

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+#include  <stdio.h>
+#include  <stdarg.h>
+#include  <stddef.h>
+#include  <stdlib.h>
+#include  <string.h>
+#include  <ctype.h>
+#include  <time.h>
+

LIBS/BLOCKADE/BLKADE1.C

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+
+/*---------------------------------------------------------------------*/
+/*   Contains messages corresponding to the error codes returned       */
+/*   by blockade() & calc_crc_file().                                  */
+/*                                                                     */
+/*   Returns a read only pointer to the appropriate message.           */
+/*                                                                     */
+/*                                                                     */
+/*---------------------------------------------------------------------*/
+
+char * get_blk_err_msg(int num)
+{
+  char *sp;
+  static char *blk_err_msgs[] = {
+    "No error",                          /*  0  */
+    "No memory for buffer",              /*  1  */
+    "Error opening file",                /*  2  */
+    "No memory for file buffering",
+    "File buffering failure",            /*  4  */
+    "Fseek error",
+    "Error reading data block",          /*  6  */
+    "Invalid data block info",
+    "Error reading file",                /*  8  */
+    "Error reading file",                /*  9  */
+    "Error reading file",                /* 10  */
+    "Check Value error",                 /* 11  */
+    "File size error",                   /* 12  */
+    "Invalid error number" };            /* 13  */
+
+   if (num == -1) num = 11;
+   if (num == -2) num = 12;
+   if ((num < 0) || (num > 12))  num = 13;    /* out of range */
+   sp = blk_err_msgs[num];
+   return(sp);
+  }
+
+/*---------------------------------------------------------------------*/

LIBS/BLOCKADE/BLKDMOBL.LIB

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+
+
+#ifndef Blk_Protos_Loaded
+#define Blk_Protos_Loaded
+
+/* -------- blkade.c -------- */
+
+int blockade( char *filename, size_t bufsize);
+int calc_crc_file( char *filename, long offset, size_t bufsize, long *crcptr);
+long blk_fsize( FILE *);
+
+/* ------ chkblk.c  ------ */
+
+unsigned long chkblk(char *buffer, int size, unsigned long init);
+
+/* ------ blkade1.c  ------ */
+
+char *get_blk_err_msg( int );
+
+/* ------ blkade2.c  ------ */
+
+unsigned long chksum8( char *, int , unsigned long);
+
+/* ------ blkade3.c  ------ */ 
+
+unsigned long chksum32( char *, int , unsigned long);
+
+/* ------ blkade4.c  ------ */ 
+
+unsigned long crc32(char *buffer, int size, unsigned long init);
+int showcrc( long crc);
+
+/* ------    end     ------ */
+#endif
+