mirror of https://github.com/adtools/clib2.git
45 lines
797 B
C
45 lines
797 B
C
#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#define FILE_SIZE 2048
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#define WRITE_SIZE 32
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char FileData[FILE_SIZE];
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void CreateFile(char *filename)
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{
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FILE *file;
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if (file = fopen(filename,"w")) {
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memset(FileData,'0',FILE_SIZE);
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memset(FileData,'-',WRITE_SIZE);
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fwrite(FileData,1,FILE_SIZE,file);
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fclose(file);
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}
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}
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void ReadWriteFile(char *filename)
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{
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FILE *file;
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if (file = fopen(filename,"r+")) {
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fseek(file,0,SEEK_SET);
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fread(FileData,1,FILE_SIZE,file);
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fseek(file,0,SEEK_SET);
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memset(FileData,'1',WRITE_SIZE);
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fwrite(FileData,1,WRITE_SIZE,file);
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fclose(file);
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}
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}
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int main(int argc, char **argv)
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{
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if (argc > 1) {
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CreateFile(argv[1]);
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ReadWriteFile(argv[1]);
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}
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return 0;
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}
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