38 lines
641 B
C
Executable file
38 lines
641 B
C
Executable file
#include "sysincludes.h"
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#include "msdos.h"
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#include "mtools.h"
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#include "file.h"
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/*
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* Read the clusters given the beginning FAT entry. Returns 0 on success.
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*/
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int file_read(FILE *fp, Stream_t *Source, int textmode, int stripmode)
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{
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char buffer[16384];
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int pos;
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int ret;
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if (!Source){
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fprintf(stderr,"Couldn't open source file\n");
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return -1;
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}
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pos = 0;
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while(1){
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ret = Source->Class->read(Source, buffer, (mt_off_t) pos, 16384);
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if (ret < 0 ){
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perror("file read");
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return -1;
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}
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if ( ret == 0)
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break;
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if(!fwrite(buffer, 1, ret, fp)){
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perror("write");
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return -1;
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}
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pos += ret;
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}
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return 0;
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}
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