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214 lines
4.9 KiB
C
214 lines
4.9 KiB
C
/*
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* udl - Convert EOL formats freely between MS-DOS (CR/LF), Unix/Amiga (LF),
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* and Apple (CR).
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*
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* Unix specific routines.
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*
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* $Id: udlunix.c,v 1.9 1996/02/04 01:34:30 gdr Exp $
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*
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* Copyright (c) 1993-1995 Soenke Behrens, Devin Reade
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*/
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#include "common.h"
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extern char *strdup(const char *);
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int main(int argc,char *argv[]) {
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FILE *infile, *outfile;
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int Tunix = FALSE;
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int Messy = FALSE;
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int GS = FALSE;
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int careful = FALSE;
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int converted;
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int c;
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int R_flag = FALSE;
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verbose = FALSE;
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program_name = NULL;
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tempfile = NULL;
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current_file = NULL;
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in_buffer = out_buffer = NULL;
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pathSlotsUsed = 0;
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pathSlots = 0;
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pathList = NULL;
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*currentDirectory = '\0';
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recursionDepth=0;
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/* In case of exit(), free the mem I allocated */
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#ifdef HAS_ATEXIT
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atexit (cleanup);
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#endif
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if ((program_name = strdup (argv[0])) == NULL) {
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fprintf(stderr,"%s: memory allocation failure\n",argv[0]);
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exit (EXIT_FAILURE);
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}
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if (argc < 3) {
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usage();
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exit (EXIT_FAILURE);
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}
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/* Get and process arguments */
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opterr = 1;
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while ((c = getopt (argc, argv, "pvugmR")) != EOF) {
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switch (c) {
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case 'v':
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verbose = TRUE;
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break;
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case 'p':
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careful = TRUE;
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break;
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case 'u':
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if (Tunix == TRUE || Messy == TRUE || GS == TRUE) {
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fprintf(stderr, "%s: You may not "
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"specify more than one conversion option\n",program_name);
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exit (EXIT_FAILURE);
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}
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Tunix = TRUE;
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break;
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case 'm':
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if (Tunix == TRUE || Messy == TRUE || GS == TRUE) {
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fprintf(stderr, "%s: You may not specify more than one "
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"conversion option\n",program_name);
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exit (EXIT_FAILURE);
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}
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Messy = TRUE;
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break;
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case 'g':
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if (Tunix == TRUE || Messy == TRUE || GS == TRUE) {
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fprintf(stderr, "%s: You may not specify more than one "
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"conversion option\n",program_name);
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exit (EXIT_FAILURE);
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}
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GS = TRUE;
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break;
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case 'R':
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R_flag++;
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break;
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case '?':
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usage();
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exit (EXIT_FAILURE);
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default:
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fprintf (stderr, "%s: Internal getopt error\n", program_name);
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exit (EXIT_FAILURE);
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break;
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}
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}
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/* no files specified */
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if (optind == argc) {
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usage();
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exit (EXIT_FAILURE);
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}
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if (Tunix == FALSE && GS == FALSE && Messy == FALSE) {
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fprintf(stderr,"%s: You have to specify a destination "
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"format.\n",program_name);
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exit (EXIT_FAILURE);
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}
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if (verbose == TRUE) {
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printf ("%s %s\n",program_name,UDL_VERSION);
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}
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/* Now process the files I got */
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if ((in_buffer = malloc(BUFFERSIZE+1)) == NULL ||
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(out_buffer = malloc(BUFFERSIZE+1)) == NULL) {
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fprintf(stderr,"%s: Unable to buffer files\n",program_name);
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exit (EXIT_FAILURE);
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}
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/* save the directory we're in */
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if (getwd(rootdir)==NULL) {
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fprintf(stderr,"%s: Couldn't stat .\n",program_name);
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exit (EXIT_FAILURE);
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}
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/* set the directory separator character. */
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dirbrk = '/';
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/* build the list of files to process */
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for (; optind<argc; optind++) {
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build_file_list(argv[optind],R_flag);
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chdir(rootdir);
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*currentDirectory = '\0';
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}
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/* files were all directories and no -R flag given */
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if (!pathList) {
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if (verbose) printf("%s: no files to process\n",program_name);
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exit(EXIT_SUCCESS);
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}
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for (c=0; pathList[c]; c++) {
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if((current_file = strdup(pathList[c])) == NULL) {
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fprintf(stderr,"%s: memory allocation failure\n", program_name);
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exit (EXIT_FAILURE);
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}
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if (verbose == TRUE) {
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printf("%s: Working on %s\n",program_name,
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current_file);
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}
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infile = tryopen(current_file,"r+b");
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tempfile = Mktemp(strcat(get_path(current_file), "udltmpXX"));
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outfile = tryopen(tempfile,"wb");
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if (careful) {
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converted = TRUE; /* always */
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if (GS)
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convert_gs(infile,outfile);
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else if (Tunix)
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convert_tunix(infile,outfile);
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else
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convert_messy(infile,outfile);
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} else {
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if (GS)
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converted = convert_fast_gs(infile,outfile);
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else if (Tunix)
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converted = convert_fast_tunix(infile,outfile);
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else
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converted = convert_fast_messy(infile,outfile);
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}
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if (fclose (infile) == EOF || fclose (outfile) == EOF) {
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perror ("closing files");
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exit (EXIT_FAILURE);
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}
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if (converted) { /* Temp file contains converted data */
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if (remove (current_file) != 0) {
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perror ("removing original file");
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exit (EXIT_FAILURE);
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}
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if (rename (tempfile,current_file) != 0) {
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perror ("cannot rename temporary file");
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exit (EXIT_FAILURE);
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}
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} else
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remove (tempfile);
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free (tempfile); tempfile = NULL;
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free(current_file);
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current_file = NULL;
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} /* for (c=0; pathList[c]; c++) */
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return (EXIT_SUCCESS);
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}
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/* End Of File */
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