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Moved some utility functions into their own file.

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This commit is contained in:
Sears Russell 2004-07-27 21:33:00 +00:00
parent 78eb2cbf6a
commit 3cbe112926
2 changed files with 49 additions and 0 deletions
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26
src/lladd/io.c Normal file
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#include "io.h"
#include <stdlib.h>
long myFseek(FILE * f, long offset, int whence) {
long ret;
flockfile(f);
ret = myFseekNoLock(f, offset, whence);
funlockfile(f);
return ret;
}
long myFseekNoLock(FILE * f, long offset, int whence) {
long ret;
if(0 != fseek(f, offset, whence)) { perror ("fseek"); fflush(NULL); abort(); }
if(-1 == (ret = ftell(f))) { perror("ftell"); fflush(NULL); abort(); }
return ret;
}
void myFwrite(const void * dat, long size, FILE * f) {
int nmemb = fwrite(dat, size, 1, f);
/* test */
if(nmemb != 1) {
perror("myFwrite");
abort();
/* return FILE_WRITE_OPEN_ERROR; */
}
}

23
src/lladd/io.h Normal file
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/**
@file
A few io wrapper functions to simplify file I/O code in LLADD.
*/
#include <stdio.h>
#include <lladd/common.h>
BEGIN_C_DECLS
#ifndef __LLADD_IO_H
#define __LLADD_IO_H
long myFseek(FILE * f, long offset, int whence);
long myFseekNoLock(FILE * f, long offset, int whence);
void myFwrite(const void * dat, long size, FILE * f);
END_C_DECLS
#endif /* __LLADD_IO_H */