97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
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/*
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P_COMP.C
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*/
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#include <plib.h>
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typedef struct
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{
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INT ret;
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VOID *chan;
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LONG len;
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TEXT name[P_FNAMESIZE];
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UBYTE buf[P_FBLKSIZE];
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} FILE_DATA;
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LOCAL_D FILE_DATA f1={0,NULL};
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LOCAL_D FILE_DATA f2={0,NULL};
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LOCAL_C VOID CleanUp(TEXT *msg, FILE_DATA *pf)
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{
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TEXT bb[E_MAX_ERROR_TEXT_SIZE];
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p_close(pf->chan);
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pf->chan=NULL;
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if (pf->ret<0)
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{
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p_errs(&bb[0],pf->ret);
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p_printf("Failed to %s %s\n\r%s)",msg,&pf->name[0],&bb[0]);
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pf->ret=0;
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}
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}
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LOCAL_C VOID Exit(TEXT *msg)
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{
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if (f1.ret>=0 && f2.ret>=0)
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p_printf(msg);
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CleanUp(msg,&f1);
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CleanUp(msg,&f2);
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p_leave(0);
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}
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LOCAL_C VOID OpenFile(FILE_DATA *pf, TEXT *name, TEXT *related)
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{
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LONG pos;
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if ((pf->ret=p_fparse(name,related,&pf->name[0],NULL))<0)
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Exit("parse");
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if ((pf->ret=p_open(&pf->chan,&pf->name[0],P_FSTREAM|P_FSHARE|P_FRANDOM))<0)
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Exit("open");
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pf->len=0L; p_seek(pf->chan,P_FEND,&pf->len);
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pos=0; p_seek(pf->chan,P_FABS,&pos);
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}
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LOCAL_C VOID ReadFile(FILE_DATA *pf)
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{
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pf->ret=p_read(pf->chan,&pf->buf[0],sizeof(pf->buf));
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if (pf->ret!=E_FILE_EOF && pf->ret<0)
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Exit("read");
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}
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LOCAL_C VOID CDECL CompareFiles(TEXT *file1, TEXT *file2)
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{
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OpenFile(&f1,file1,NULL);
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OpenFile(&f2,file2,&f1.name[0]);
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p_printf("Compare %s (%ld)",&f1.name[0],f1.len);
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p_printf(" with %s (%ld)",&f2.name[0],f2.len);
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if (f1.len!=f2.len)
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Exit("Files are of different length");
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FOREVER
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{
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ReadFile(&f1);
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ReadFile(&f2);
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if (f1.ret==E_FILE_EOF && f2.ret==E_FILE_EOF)
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{
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f1.ret=f2.ret=0;
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Exit("Files are identical");
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}
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if (p_bcmp(&f1.buf[0],f1.ret,&f2.buf[0],f2.ret))
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Exit("Files are different");
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}
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}
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GLDEF_C INT main(VOID)
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{
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TEXT *p;
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TEXT bb[P_FNAMESIZE];
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while (p_getl("Enter <file1> <file2>?\r\n",&bb[0],P_FNAMESIZE))
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{
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p=p_skipch(&bb[0]);
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if (*p)
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*p++=0;
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p_enter((VOID *)CompareFiles,&bb[0],p_skipwh(p));
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}
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return(0);
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}
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