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| Code Block | ||
|---|---|---|
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FILE* fptr = fopen(file_name, "rb");
fpos_t pos;
if (fptr == NULL) {
/* Handle Error */
}
/* Read data */
if (fgetpos(fptr, &pos)) {
/* Handle Error */
}
/* Read the data that will be "pushed back" */
if (fsetpos(fptr, &pos)) {
/* Handle Error */
}
/* Continue on */
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Wiki Markup fgetpos()}} and {{ before fsetpos()}} it important to keep in mind \[[ (see FIO44-C. Only use values for fsetpos() that are returned from fgetpos())]\].
Risk Assessment
If used improperly, ungetc() can cause data to be truncated or lost.
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