27 lines
661 B
C
27 lines
661 B
C
#include <stdio.h>
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#include "io.h"
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#include <stdlib.h>
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long myFseek(FILE * f, long offset, int whence) {
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long ret;
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flockfile(f);
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ret = myFseekNoLock(f, offset, whence);
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funlockfile(f);
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return ret;
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}
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long myFseekNoLock(FILE * f, long offset, int whence) {
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long ret;
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if(0 != fseek(f, offset, whence)) { perror ("fseek"); fflush(NULL); abort(); }
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if(-1 == (ret = ftell(f))) { perror("ftell"); fflush(NULL); abort(); }
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return ret;
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}
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void myFwrite(const void * dat, long size, FILE * f) {
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int nmemb = fwrite(dat, size, 1, f);
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/* test */
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if(nmemb != 1) {
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perror("myFwrite");
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abort();
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/* return FILE_WRITE_OPEN_ERROR; */
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}
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}
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