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- /*
- nledit.c Simple Nodelist editor
-
- $Header$
-
- Most code shamelessly stolen from ParseLst. See original ParseLst
- header at the tail of the file for more info.
-
- Usage:
- nledit nodelist diff newlist
-
- The hard work should be done by a shell/Perl script ;-)
- */
- #include <stdio.h>
- #include <string.h>
-
- /*
- *
- * -rev 04-16-87 (abbreviated)
- * The CRC-16 routines used by XMODEM, YMODEM, and ZMODEM
- * are also in this file, a fast table driven macro version
- */
-
- /* crctab calculated by Mark G. Mendel, Network Systems Corporation */
- static unsigned short crctab[256] =
- {
- 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
- 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
- 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
- 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
- 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
- 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
- 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
- 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
- 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
- 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
- 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
- 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
- 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
- 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
- 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
- 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
- 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
- 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
- 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
- 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
- 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
- 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
- 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
- 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
- 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
- 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
- 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
- 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
- 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
- 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
- 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
- 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
- };
-
- /*
- * updcrc macro derived from article Copyright (C) 1986 Stephen Satchell.
- * NOTE: First srgument must be in range 0 to 255.
- * Second argument is referenced twice.
- *
- * Programmers may incorporate any or all code into their programs,
- * giving proper credit within the source. Publication of the
- * source routines is permitted so long as proper credit is given
- * to Stephen Satchell, Satchell Evaluations and Chuck Forsberg,
- * Omen Technology.
- */
-
- #define updcrc(cp, crc) ( crctab[((crc >> 8) & 255) ^ cp] ^ (crc << 8))
-
- FILE *old_file, *diff_file, *new_file;
- char *nodelist, *difflist, *new_name;
- unsigned short official_crc = 0;
- unsigned short calc_crc = 0; /* Until I find out how to do the CRC */
-
- unsigned short
- crcstr (char *buf, unsigned short crc)
- {
- unsigned char *p;
- void fix_up (char *p);
-
- p = buf;
- fix_up (p);
-
- while (*p)
- {
- crc = updcrc (*p++, crc);
- }
-
- /*
- Like it or not, somebody decided that Nodelists have their CRC
- also on the End-Of-Line markers. If you know him, flame him.
- */
- crc = updcrc ('\r', crc);
- crc = updcrc ('\n', crc);
- *p = '\n';
-
- return (crc);
- }
-
- void
- fix_up (char *buf)
- {
- char *p;
- #if 0
- int stripped = 0;
- #endif
-
- p = buf + strlen (buf) - 1;
- if (*p == '\n')
- --p;
- while (*p == ' ')
- --p;
- *(p + 1) = '\0';
-
- /* Now get rid of rotten chars */
- #if 0
- /*
- Some lists have 8bit in them, and of course they are used for
- calculations. Shit.
- */
- p = buf;
- while (*p)
- {
- if ((unsigned char) *p >= 128)
- *p = '?', stripped++;
-
- ++p;
- }
- if (stripped)
- printf("Warning: stripped (%s)\n", buf);
- #endif
- }
-
- void
- add_files () /* Actually put the new lines in here */
- {
- char old_line[256];
- char diff_line[256];
- char *pnt_line;
- char first_char;
- char *diff_result;
- char *old_result;
- char *ptr;
- int i, j, k;
- int first_diff;
-
- first_diff = 1;
-
- pnt_line = (char *) malloc (256);
-
- while ((diff_result = fgets (diff_line, 256, diff_file)) != NULL)
- {
- strcpy (pnt_line, diff_line);
- first_char = diff_line[0];
-
- switch (first_char)
- {
- case ';':
- continue;
-
- case 'D':
- j = atoi (pnt_line + 1);
- for (i = 0; i < j; i++)
- {
- old_result = fgets (old_line, 256, old_file);
- }
- break;
-
- case 'A':
- j = atoi (pnt_line + 1);
- for (i = 0; i < j; i++)
- {
- diff_result = fgets (diff_line, 256, diff_file);
- if (!first_diff)
- calc_crc = crcstr (diff_line, calc_crc);
- else
- {
- first_diff = 0;
- ptr = strrchr (diff_line, ':');
- if (ptr != NULL)
- {
- ++ptr;
- official_crc = atoi (ptr);
- }
- }
- k = fputs (diff_line, new_file);
- }
- break;
-
- case 'C':
- j = atoi (pnt_line + 1);
- for (i = 0; i < j; i++)
- {
- diff_result = fgets (old_line, 256, old_file);
- calc_crc = crcstr (old_line, calc_crc);
- k = fputs (old_line, new_file);
- }
- break;
-
- default:
- printf ("\n\tI don't understand this line.\n");
- break;
- }
- }
-
- if (calc_crc != official_crc)
- {
- fputs (";A This nodelist does not have the proper CRC!\n", new_file);
- printf ("This nodelist does not have the proper CRC %u/%u!\n",
- calc_crc, official_crc);
- printf ("Please check out the problem and correct it.\n\n");
- }
-
- fprintf (new_file, "%c", '\032');
-
- return;
- }
-
- int
- open_infiles (char *nodelist, char *difflist, char *new_name)
- {
- char first_line[256], *result;
- char temp[11];
- int i, j = 0;
-
- result = fgets (first_line, 256, diff_file);
-
- for (i = 0; i < 80; i++)
- if (first_line[i] == ':')
- j = i;
-
- for (i = 0; i < 10; i++)
- temp[i] = first_line[i + j + 1];
-
- official_crc = atoi (temp);
- j -= 5;
-
- for (i = 0; i < 5; i++)
- temp[i] = first_line[i + j];
-
- temp[5] = '\0';
- j = atoi (temp);
- result = strrchr (nodelist, '.');
- result++;
- i = atoi (result);
- if (i != j)
- {
- printf ("NodeDiff doesn't match to existing Nodelist file! Skipping...\n");
- return (1);
- }
- new_file = fopen (new_name, "w");
- if (new_file == NULL)
- {
- printf ("Can't open new nodelist file %s!\n", new_name);
- return (1);
- }
- printf ("Applying '%s' to '%s' into '%s'\n", difflist, nodelist, new_name);
- return (0);
- }
-
- /*
- Here's my two cents to the original version (parselst/edit.c)
- */
- int
- main (int argc, char **argv)
- {
- /*
- No Checking, No Time. Shellscript should do it.
- */
- nodelist = argv[1];
- difflist = argv[2];
- new_name = argv[3];
- old_file = fopen (argv[1], "r");
- diff_file = fopen (argv[2], "r");
- if (!open_infiles (nodelist, difflist, new_name))
- add_files ();
-
- return 0;
- }
-
- /*
- Nodelist Parser
-
- This module was originally written by Bob Hartman
- Sysop of FidoNet node 1:104/501
-
- This program source code is being released with the following provisions:
-
- 1. You are free to make changes to this source code for use on your own
- machine, however, altered source files may not be distributed without the
- consent of Spark Software.
-
- 2. You may distribute "patches" or "diff" files for any changes that you
- have made, provided that the "patch" or "diff" files are also sent to Spark
- Software for inclusion in future releases of the entire package. A "diff"
- file for the source archives may also contain a compiled version, provided
- it is clearly marked as not being created from the original source code.
- No other executable versions may be distributed without the consent of
- Spark Software.
-
- 3. You are free to include portions of this source code in any program you
- develop, providing: a) Credit is given to Spark Software for any code that
- may is used, and b) The resulting program is free to anyone wanting to use
- it, including commercial and government users.
-
- 4. There is NO technical support available for dealing with this source
- code, or the accompanying executable files. This source code is provided
- as is, with no warranty expressed or implied (I hate legalease). In other
- words, if you don't know what to do with it, don't use it, and if you are
- brave enough to use it, you're on your own.
-
- */
-