Hii Using ftell() after fopen(..., "a") returns 0 even when the file open for appending is not empty. AFAIK, it should return the size of the file.
Compile and run the attached program several times to see it happening. Cheers, - Salva
cygcheck.out
Description: Binary data
#include <stdio.h>
int main(int argc, char *argv[]) {
FILE *f = fopen("file.out", "a");
fprintf(stderr, "pos: %d\n", ftell(f));
fprintf(f, "hello world\n");
fprintf(stderr, "pos: %d\n", ftell(f));
fclose(f);
}
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