85 lines
1.7 KiB
C
85 lines
1.7 KiB
C
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/*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Include files */
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#include "windows.h"
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#include "stdio.h"
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#include "stdlib.h"
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int convert(char *buffer, char *filename);
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/*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: */
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__cdecl main(int argc, char *argv[])
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{
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char *buffer = malloc(1000*1024);
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int index;
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/* Validate input parameters */
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if(argc < 2)
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{
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printf("Invalid usage : CONVERT <filenames>\n");
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return(1);
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}
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for(index = 1; index < argc; index++)
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convert(buffer, argv[index]);
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return(0);
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}
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/*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Convert file */
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int convert(char *buffer, char *filename)
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{
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FILE *FH;
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char *ptr;
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int chr;
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int last_chr = -1;
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/*.............................................. Open file to convert */
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if((FH = fopen(filename,"r+b")) == NULL)
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{
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printf("Failed to open file %s\n", filename);
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return(1);
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}
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/*........................................... Read in and convert file */
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ptr = buffer;
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while((chr = fgetc(FH)) != EOF)
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{
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switch(chr)
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{
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case 0xa :
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if(last_chr == 0xd) break;
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/* Fall throught and insert CR/LF in output buffer */
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case 0xd :
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*ptr++ = 0xd;
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*ptr++ = 0xa;
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break;
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default:
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*ptr++ = chr;
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break;
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}
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last_chr = chr;
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}
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/* Remove Control Z from end of file */
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if(*(ptr-1) == 0x1a)
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*(ptr-1) = 0;
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else
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*ptr = 0; /* terminate output buffer */
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/* Write out converted file */
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fseek(FH, 0, 0); /* Reset file pointer */
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fputs(buffer, FH);
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fclose(FH);
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}
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