/*
* Ensure that the open file fd is at least size bytes long.
* Expands the file as needed using append_zeros(). File locking
* is used to ensure no data is overwritten.
* Returns the actual size of the file on success, -1 on error.
*/
static int ensure_file_size(int fd, size_t size)
{
struct stat st;
struct flock lockInfo;
char *errMsg = NULL;
int error = 0;
if (fstat(WOShmem_fd, &st))
{
errMsg = WA_errorDescription(WA_error());
WOLog(WO_ERR, "ensure_file_size(): initial fstat() failed: %s", errMsg);
error = 1;
}
if (!error && st.st_size < size)
{
if (lock_file_section(WOShmem_fd, st.st_size, size - st.st_size, &lockInfo, 1))
{
error = 1;
} else {
/* someone else may have just changed the size, so repeat the stat */
if (fstat(WOShmem_fd, &st))
{
errMsg = WA_errorDescription(WA_error());
WOLog(WO_ERR, "ensure_file_size(): second fstat() failed: %s", errMsg);
WA_freeErrorDescription(errMsg);
error = 1;
}
if (!error && st.st_size < size)
{
st.st_size += append_zeros(WOShmem_fd, size - st.st_size);
if (st.st_size < size)
error = 1;
}
lockInfo.l_type = F_UNLCK;
if (fcntl(WOShmem_fd, F_SETLK, &lockInfo) == -1)
{
errMsg = WA_errorDescription(WA_error());
WOLog(WO_ERR, "ensure_file_size(): failed to unlock: %s", errMsg);
WA_freeErrorDescription(errMsg);
error = 1;
}
}
}
return error ? -1 : st.st_size;
}
static void
set_format(GnmStyle *style, const psiconv_sheet_numberformat psi_numberformat)
{
/* 100 should be long enough, but to be really safe, use strncpy */
char fmt_string[100];
/* TODO: Dates and times are still wrong. What about localisation? */
strcpy(fmt_string,"");
if (psi_numberformat->code == psiconv_numberformat_fixeddecimal) {
strcpy(fmt_string,"0");
append_zeros(fmt_string, psi_numberformat->decimal);
} else if (psi_numberformat->code == psiconv_numberformat_scientific) {
strcpy(fmt_string,"0");
append_zeros(fmt_string, psi_numberformat->decimal);
strcat (fmt_string, "E+00");
} else if (psi_numberformat->code == psiconv_numberformat_currency) {
/* TODO: Determine currency symbol somehow */
strcpy(fmt_string,"$0");
append_zeros(fmt_string, psi_numberformat->decimal);
} else if (psi_numberformat->code == psiconv_numberformat_percent) {
strcpy(fmt_string,"0");
append_zeros(fmt_string, psi_numberformat->decimal);
strcat (fmt_string, "%");
} else if (psi_numberformat->code == psiconv_numberformat_triads) {
strcpy(fmt_string,"#,##0");
append_zeros(fmt_string, psi_numberformat->decimal);
} else if (psi_numberformat->code == psiconv_numberformat_text) {
strcpy(fmt_string,"@");
} else if (psi_numberformat->code == psiconv_numberformat_date_dmm) {
strcpy(fmt_string,"d-mm");
} else if (psi_numberformat->code == psiconv_numberformat_date_mmd) {
strcpy(fmt_string,"mm-d");
} else if (psi_numberformat->code == psiconv_numberformat_date_ddmmyy) {
strcpy(fmt_string,"dd-mm-yy");
} else if (psi_numberformat->code == psiconv_numberformat_date_mmddyy) {
strcpy(fmt_string,"mm-dd-yy");
} else if (psi_numberformat->code == psiconv_numberformat_date_yymmdd) {
strcpy(fmt_string,"yy-mm-dd");
} else if (psi_numberformat->code == psiconv_numberformat_date_dmmm) {
strcpy(fmt_string,"d mmm");
} else if (psi_numberformat->code == psiconv_numberformat_date_dmmmyy) {
strcpy(fmt_string,"d mmm yy");
} else if (psi_numberformat->code ==
psiconv_numberformat_date_ddmmmyy) {
strcpy(fmt_string,"dd mmm yy");
} else if (psi_numberformat->code ==
psiconv_numberformat_date_mmm) { strcpy(fmt_string,"mmm");
} else if (psi_numberformat->code ==
psiconv_numberformat_date_monthname) {
strcpy(fmt_string,"mmmm");
} else if (psi_numberformat->code ==
psiconv_numberformat_date_mmmyy) {
strcpy(fmt_string,"mmm yy");
} else if (psi_numberformat->code ==
psiconv_numberformat_date_monthnameyy) {
strcpy(fmt_string,"mmmm yy");
} else if (psi_numberformat->code ==
psiconv_numberformat_date_monthnamedyyyy) {
strcpy(fmt_string,"mmmm d, yyyy");
} else if (psi_numberformat->code ==
psiconv_numberformat_datetime_ddmmyyyyhhii) {
strcpy(fmt_string,"dd-mm-yyyy h:mm AM/PM");
} else if (psi_numberformat->code ==
psiconv_numberformat_datetime_ddmmyyyyHHii) {
strcpy(fmt_string,"dd-mm-yyyy h:mm");
} else if (psi_numberformat->code ==
psiconv_numberformat_datetime_mmddyyyyhhii) {
strcpy(fmt_string,"mm-dd-yyyy h:mm AM/PM");
} else if (psi_numberformat->code ==
psiconv_numberformat_datetime_mmddyyyyHHii) {
strcpy(fmt_string,"mm-dd-yyyy h:mm");
} else if (psi_numberformat->code ==
psiconv_numberformat_datetime_yyyymmddhhii) {
strcpy(fmt_string,"yyyy-mm-dd h:mm AM/PM");
} else if (psi_numberformat->code ==
psiconv_numberformat_datetime_yyyymmddHHii) {
strcpy(fmt_string,"yyyy-mm-dd h:mm");
} else if (psi_numberformat->code == psiconv_numberformat_time_hhii) {
strcpy(fmt_string,"h:mm AM/PM");
} else if (psi_numberformat->code == psiconv_numberformat_time_hhiiss) {
strcpy(fmt_string,"h:mm:ss AM/PM");
} else if (psi_numberformat->code == psiconv_numberformat_time_HHii) {
strcpy(fmt_string,"h:mm");
} else if (psi_numberformat->code == psiconv_numberformat_time_HHiiss) {
strcpy(fmt_string,"h:mm:ss");
} /* TODO: Add True/False */
if (fmt_string[0])
gnm_style_set_format_text (style, fmt_string);
}
