[issue34904] Crash in ZipFile.close() when writing zip file to /dev/null

[Erik Bray]

Erik Bray <erik.m.b...@gmail.com> added the comment:

For the sake of completeness, same deal in pure C:

$ cat devnul.c
#include <stdio.h>


int main(void) {
    FILE *f = fopen("/dev/null", "w");
    printf("tell() = %ld\n", ftell(f));
    printf("write(\"abcdefgh\") = %zu\n", fwrite("abcdefgh", 1, 8, f));
    printf("tell() = %ld\n", ftell(f));
    printf("seek(8) = %d\n", fseek(f, 8, 0));
    printf("tell() = %ld\n", ftell(f));
    return 0;
}

$ gcc devnulc -o devnul
$ ./devnull
tell() = 0
write("abcdefgh") = 8
tell() = 8
seek(8) = 0
tell() = 0

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