mystring.c input function

MyString_Status mystring_input(MYSTRING hString,
                               FILE * hFile,
                               int bIgnoreLeadingWhiteSpace,
                               int (*fTerminate)(char ch, int * pbDiscardChar)) {
    char ch = '\0';
    int eofCheck = 0;
    int t, discard;

    mystring_truncate(hString, 0);

    if(hFile == NULL) return MYSTRING_STATUS_ERROR;
    eofCheck = fscanf(hFile, "%c", &ch);

    // If bIgnoreWhiteSpace is true, gobble leading whitespace.
    if(bIgnoreLeadingWhiteSpace) {
        while(isspace(ch)) {
            eofCheck = fscanf(hFile, "%c", &ch);
            if(eofCheck == EOF) return MYSTRING_STATUS_ERROR;
        }
    }

    // Add all valid characters to the string, overwriting the old string.
    while(eofCheck != EOF) {
        t = fTerminate(ch, &discard);
        if(discard == 0) mystring_push(hString, ch);
        if(t) return MYSTRING_STATUS_SUCCESS;
        eofCheck = fscanf(hFile, "%c", &ch);
    }

    if(eofCheck == EOF) return MYSTRING_STATUS_ERROR;

    return MYSTRING_STATUS_SUCCESS;
}