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getdata.c.old2
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/* (C) 2002 C. Barth Netterfield */
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <assert.h>
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <libgen.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <math.h>
#include <slimlib.h>
#include <zzip/zzip.h>
#include "getdata.h"
/***************************************************************/
/* */
/* Structures for describing dirfile formats */
/* */
/***************************************************************/
#define FIELD_LENGTH 50
#define MAX_FILENAME_LENGTH 250
#define MAX_LINE_LENGTH 250
#define MAX_LINCOM 3
#define MAX_IN_COLS 15
struct RawEntryType {
char field[FIELD_LENGTH+1];
char file[MAX_FILENAME_LENGTH + FIELD_LENGTH + 2];
char type;
int size;
int samples_per_frame;
};
struct FileHandle {
ZZIP_FILE *fp;
SLIMFILE *slim;
};
struct LincomEntryType {
char field[FIELD_LENGTH+1];
int n_infields;
char in_fields[MAX_LINCOM][FIELD_LENGTH+1];
double m[MAX_LINCOM];
double b[MAX_LINCOM];
};
struct LinterpEntryType {
char field[FIELD_LENGTH+1];
char raw_field[FIELD_LENGTH+1];
char linterp_file[MAX_FILENAME_LENGTH];
int n_interp;
double *x;
double *y;
};
struct MultiplyEntryType {
char field[FIELD_LENGTH+1];
char in_fields[2][FIELD_LENGTH+1];
};
struct MplexEntryType {
char field[FIELD_LENGTH+1];
char cnt_field[FIELD_LENGTH+1];
char data_field[FIELD_LENGTH+1];
int i;
int max_i;
};
struct BitEntryType {
char field[FIELD_LENGTH+1];
char raw_field[FIELD_LENGTH+1];
int bitnum;
int numbits;
};
struct FormatType {
char FileDirName[MAX_FILENAME_LENGTH];
int frame_offset;
struct RawEntryType first_field;
struct RawEntryType *rawEntries;
int n_raw;
struct LincomEntryType *lincomEntries;
int n_lincom;
struct LinterpEntryType *linterpEntries;
int n_linterp;
struct MultiplyEntryType *multiplyEntries;
int n_multiply;
struct MplexEntryType *mplexEntries;
int n_mplex;
struct BitEntryType *bitEntries;
int n_bit;
};
const int MAX_GETDATA_FILES_OPEN=128;
const char *GD_ERROR_CODES[15] = {"OK",
"Could not open Format file",
"Error in Format file",
"Could not open Data file",
"Field name too long",
"Field code not found in File Format",
"Unrecognized return type",
"Could not open field file",
"Could not open included Format file",
" ",
" ",
"Could not open Field File",
"Size mismatch in linear combination",
"Could not open interpolation file ",
"Too many levels of recursion"
};
static int DoField(int recurse_level,
const struct FormatType *F, const char *field_code,
int first_frame, int first_samp,
int num_frames, int num_samp,
char return_type, void *data_out,
int *error_code);
/*
struct lines {
int num_lines;
char **line;
char *_buf;
};
*/
static char *
read_file( ZZIP_FILE *fp )
{
ZZIP_STAT stat;
char *buf;
size_t len;
zzip_fstat( fp, &stat );
len = stat.st_size;
buf = (char *) malloc( len+1 );
zzip_read( fp, buf, len );
buf[len] = '\0';
return buf;
}
/*
struct line_list {
char *str;
struct line_list *next;
}
static struct line_list *
read_lines_from_buffer( void *buf, size_t len )
{
struct line_list *lines, *line, *prev;
char *tok;
char *s = (char *) buf;
char *t;
lines = NULL;
while ( (tok = strsep(&s,"\n")) != NULL )
{
while ( isspace(*tok) ) tok++;
t = strchr( tok, '#' );
if ( t != NULL ) *t = '\0';
if ( strlen(tok) == 0 ) continue;
line = (struct line_list *) malloc( sizeof(struct line_list) );
line->str = tok;
line->next = NULL;
if ( lines == NULL )
lines = line;
else
prev->next = line;
prev = line;
}
return lines;
}
*/
static char **
read_lines_from_buffer( char *buf, size_t *nlines )
{
char **lines;
size_t n, max_nlines;
const size_t chunk = 64;
char *s, *t, *tok;
max_nlines = chunk;
lines = (char **) malloc( max_nlines*sizeof(char *) );
n = 0;
s = buf;
while ( (tok = strsep(&s,"\n")) != NULL )
{
// strip leading whitespace
while ( isspace(*tok) ) tok++;
// strip comments
t = strchr( tok, '#' );
if ( t != NULL ) *t = '\0';
if ( strlen(tok) == 0 ) continue;
if ( n == max_nlines )
{
max_nlines += chunk;
lines = (char **) realloc( lines, max_nlines*sizeof(char *) );
}
lines[n++] = tok;
}
if ( n < max_nlines )
lines = (char **) realloc( lines, n*sizeof(char *) );
*nlines = n;
return lines;
}
bool
file_exists( const char *filename )
{
ZZIP_FILE *fp = zzip_fopen( filename, "r" );
if ( fp == NULL ) return false;
zzip_fclose( fp );
return true;
}
size_t
file_size( const char *filename )
{
printf( "file_size: %s\n", filename );
ZZIP_FILE *fp = zzip_fopen( filename, "r" );
assert( fp != NULL );
ZZIP_STAT stat;
zzip_fstat( fp, &stat );
zzip_fclose( fp );
return stat.st_size;
}
/***************************************************************************/
/* */
/* GetLine: read non-comment line from format file */
/* The line is placed in *line. */
/* Returns 1 if successful, 0 if unsuccessful */
/* */
/***************************************************************************/
static int GetLine(FILE *fp, char *line) {
char *ret_val;
int first_char;
int i, len;
do {
ret_val = fgets(line, MAX_LINE_LENGTH, fp);
first_char = 0;
while (line[first_char] == ' ' || line[first_char] == '\t') ++first_char;
line += first_char;
} while (ret_val && (line[0] == '#' || line[0] == 0 || line[1] == 0));
if (ret_val) {
/* truncate comments from end of lines */
len = strlen(line);
for (i = 0; i < len; i++) {
if (line[i]=='#')
line[i] = '\0';
}
return(1); /* a line was read */
}
return(0); /* there were no valid lines */
}
/***************************************************************************/
/* */
/* FreeF: free any entries that have been allocated in F */
/* */
/***************************************************************************/
static void FreeF(struct FormatType *F) {
if (F->n_raw > 0) free(F->rawEntries);
if (F->n_lincom > 0) free(F->lincomEntries);
if (F->n_multiply > 0) free(F->multiplyEntries);
if (F->n_linterp >0) free(F->linterpEntries);
if (F->n_mplex > 0) free(F->mplexEntries);
if (F->n_bit > 0) free(F->bitEntries);
}
/***************************************************************************/
/* */
/* ParseRaw: parse a RAW data type in the formats file */
/* */
/***************************************************************************/
static void ParseRaw(char in_cols[MAX_IN_COLS][MAX_LINE_LENGTH],
struct RawEntryType *R, const char* subdir, int *error_code) {
strcpy(R->field, in_cols[0]); /* field */
if (strcmp(subdir, ".") == 0)
{
snprintf(R->file, MAX_FILENAME_LENGTH + FIELD_LENGTH + 2, "%s",
in_cols[0]); /* filename */
}
else
{
snprintf(R->file, MAX_FILENAME_LENGTH + FIELD_LENGTH + 2, "%s/%s", subdir,
in_cols[0]); /* path and filename */
}
//R->fp = -1; /* file not opened yet */
//R->slim = NULL; /* No SLIMFILE either */
switch (in_cols[2][0]) {
case 'c':
R->size = 1;
break;
case 's': case 'u':
R->size = 2;
break;
case 'S': case 'U': case 'f': case 'i':
R->size = 4;
break;
case 'd':
R->size = 8;
break;
default:
*error_code = GD_E_FORMAT;
return;
}
R->type = in_cols[2][0];
R->samples_per_frame = atoi(in_cols[3]);
if (R->samples_per_frame<=0) {
*error_code = GD_E_FORMAT;
return;
}
}
/***************************************************************************/
/* */
/* ParseLincom: parse a LINCOM data type in the formats file */
/* */
/***************************************************************************/
static void ParseLincom(char in_cols[MAX_IN_COLS][MAX_LINE_LENGTH],
int n_cols, struct LincomEntryType *L, int *error_code) {
int i;
strcpy(L->field, in_cols[0]); /* field */
L->n_infields = atoi(in_cols[2]);
if ((L->n_infields<1) || (L->n_infields>MAX_LINCOM) ||
(n_cols < L->n_infields*3 + 3)) {
*error_code = GD_E_FORMAT;
return;
}
for (i=0; i<L->n_infields; i++) {
strncpy(L->in_fields[i], in_cols[i*3+3], FIELD_LENGTH);
L->m[i] = atof(in_cols[i*3+4]);
L->b[i] = atof(in_cols[i*3+5]);
}
}
/***************************************************************************/
/* */
/* ParseLinterp: parse a LINTERP data type in the formats file */
/* */
/***************************************************************************/
static void ParseLinterp(char in_cols[MAX_IN_COLS][MAX_LINE_LENGTH],
const char* linterp_prefix,
struct LinterpEntryType *L) {
char full_name[MAX_LINE_LENGTH];
char *tokptr, *last_tokptr;
strcpy(L->field, in_cols[0]); /* field */
strncpy(L->raw_field, in_cols[2], FIELD_LENGTH);
L->n_interp = -1; /* linterp file not read yet */
if(linterp_prefix != NULL) {
strcpy(full_name, in_cols[3]);
strcpy(L->linterp_file, linterp_prefix);
// tokenize on / until file is reached
tokptr = strtok (full_name,"//");
while ( tokptr != NULL) {
last_tokptr = tokptr;
tokptr=strtok(NULL, "//");
}
strcat(L->linterp_file,last_tokptr);
} else {
// copy the name directly over
strcpy(L->linterp_file, in_cols[3]);
}
}
/***************************************************************************/
/* */
/* ParseMultiply: parse MULTIPLY data type entry in formats file */
/* */
/***************************************************************************/
static void ParseMultiply(char in_cols[MAX_IN_COLS][MAX_LINE_LENGTH],
int n_cols, struct MultiplyEntryType *M,
int *error_code) {
if (n_cols<4) {
*error_code = GD_E_FORMAT;
return;
}
strcpy(M->field, in_cols[0]); /* field */
strncpy(M->in_fields[0], in_cols[2], FIELD_LENGTH);
strncpy(M->in_fields[1], in_cols[3], FIELD_LENGTH);
}
/***************************************************************************/
/* */
/* ParseMplex: parse MPLEX data type entry in formats file */
/* */
/***************************************************************************/
static void ParseMplex(char in_cols[MAX_IN_COLS][MAX_LINE_LENGTH],
int n_cols, struct MplexEntryType *M,
int *error_code) {
if (n_cols<6) {
*error_code = GD_E_FORMAT;
return;
}
strcpy(M->field, in_cols[0]); /* field */
strncpy(M->cnt_field, in_cols[2], FIELD_LENGTH);
strncpy(M->data_field, in_cols[3], FIELD_LENGTH);
M->i = atoi(in_cols[4]);
M->max_i = atoi(in_cols[5]);
if ((M->max_i<1) || (M->max_i < M->i)) {
*error_code = GD_E_FORMAT;
return;
}
}
/***************************************************************************/
/* */
/* ParseBit: parse BIT data type entry in formats file */
/* */
/***************************************************************************/
static void ParseBit(char in_cols[MAX_IN_COLS][MAX_LINE_LENGTH],
int n_cols,
struct BitEntryType *B,
int *error_code) {
int error = 0;
strcpy(B->field, in_cols[0]); /* field */
strncpy(B->raw_field, in_cols[2], FIELD_LENGTH); /* field */
B->bitnum=atoi(in_cols[3]);
if (n_cols>4) {
B->numbits=atoi(in_cols[4]);
} else {
B->numbits=1;
}
if (B->numbits<1) error = 1;
if (B->bitnum<0) error = 1;
if (B->bitnum + B->numbits - 1 > 31) error = 1;
if (error) {
*error_code=GD_E_FORMAT;
return;
}
}
/***************************************************************************/
/* */
/* Compare functions for sorting the lists (using stdlib qsort) */
/* */
/***************************************************************************/
static int RawCmp(const void *A, const void *B) {
return (strcmp(((struct RawEntryType *)A)->field,
((struct RawEntryType *)B)->field));
}
static int LincomCmp(const void *A, const void *B) {
return (strcmp(((struct LincomEntryType *)A)->field,
((struct LincomEntryType *)B)->field));
}
static int LinterpCmp(const void *A, const void *B) {
return (strcmp(((struct LinterpEntryType *)A)->field,
((struct LinterpEntryType *)B)->field));
}
static int MultiplyCmp(const void *A, const void *B) {
return (strcmp(((struct MultiplyEntryType *)A)->field,
((struct MultiplyEntryType *)B)->field));
}
static int MplexCmp(const void *A, const void *B) {
return (strcmp(((struct MplexEntryType *)A)->field,
((struct MplexEntryType *)B)->field));
}
static int BitCmp(const void *A, const void *B) {
return (strcmp(((struct BitEntryType *)A)->field,
((struct BitEntryType *)B)->field));
}
/***************************************************************************/
/* */
/* ParseFormatFile: Perform the actual parsing of the format file. This */
/* function is called from GetFormat once for the main format file and */
/* once for each included file. */
/* */
/***************************************************************************/
static int ParseFormatFile(ZZIP_FILE* fp, struct FormatType *F, const char* filedir,
const char* subdir, const char* linterp_prefix, char*** IncludeList, int *i_include)
{
//char instring[MAX_LINE_LENGTH];
char in_cols[MAX_IN_COLS][MAX_LINE_LENGTH];
int n_cols, error_code = GD_E_OK;
size_t i, nlines;
char *buf = read_file( fp );
char **lines = read_lines_from_buffer( buf, &nlines );
/***** start parsing ****/
for ( i = 0; i < nlines; i++ )
{
//printf( "%s\n", lines[i] );
/* ok, brute force parse... slow and ugly but convenient... */
n_cols = sscanf(lines[i], "%s %s %s %s %s %s %s %s %s %s %s %s %s %s %s",
in_cols[0], in_cols[1], in_cols[2], in_cols[3],
in_cols[4], in_cols[5], in_cols[6], in_cols[7],
in_cols[8], in_cols[9], in_cols[10], in_cols[11],
in_cols[12], in_cols[13], in_cols[14]);
//printf( "%s: %d\n", lines[i], n_cols );
if (n_cols<2) {
error_code = GD_E_FORMAT;
} else if (strlen(in_cols[0])>FIELD_LENGTH) {
error_code = GD_E_FIELD;
} else if (strcmp(in_cols[1], "RAW")==0) {
F->n_raw++;
F->rawEntries =
realloc(F->rawEntries, F->n_raw*sizeof(struct RawEntryType));
ParseRaw(in_cols, F->rawEntries+F->n_raw - 1, subdir, &error_code);
} else if (strcmp(in_cols[1], "LINCOM")==0) {
F->n_lincom++;
F->lincomEntries =
realloc(F->lincomEntries,
F->n_lincom*sizeof(struct LincomEntryType));
ParseLincom(in_cols, n_cols, F->lincomEntries+F->n_lincom - 1,
&error_code);
} else if (strcmp(in_cols[1], "LINTERP")==0) {
F->n_linterp++;
F->linterpEntries =
realloc(F->linterpEntries,
F->n_linterp*sizeof(struct LinterpEntryType));
ParseLinterp(in_cols, linterp_prefix, F->linterpEntries+F->n_linterp - 1);
} else if (strcmp(in_cols[1], "MULTIPLY")==0) {
F->n_multiply++;
F->multiplyEntries =
realloc(F->multiplyEntries,
F->n_multiply*sizeof(struct MultiplyEntryType));
ParseMultiply(in_cols, n_cols, F->multiplyEntries+F->n_multiply - 1,
&error_code);
} else if (strcmp(in_cols[1], "MPLEX")==0) {
F->n_mplex++;
F->mplexEntries =
realloc(F->mplexEntries,
F->n_mplex*sizeof(struct MplexEntryType));
ParseMplex(in_cols, n_cols, F->mplexEntries+F->n_mplex - 1,
&error_code);
} else if (strcmp(in_cols[1], "BIT")==0) {
F->n_bit++;
F->bitEntries =
realloc(F->bitEntries,
F->n_bit*sizeof(struct BitEntryType));
ParseBit(in_cols, n_cols, F->bitEntries+F->n_bit - 1,
&error_code);
} else if (strcmp(in_cols[0], "FRAMEOFFSET")==0) {
F->frame_offset = atoi(in_cols[1]);
} else if (strcmp(in_cols[0], "INCLUDE")==0) {
int i, found = 0;
char format_file[MAX_FILENAME_LENGTH + 6];
char new_subdir[MAX_FILENAME_LENGTH + 1];
ZZIP_FILE* new_fp = NULL;
/* Run through the include list to see if we've already included this
* file */
for (i = 0; i < *i_include; ++i)
if (strcmp(in_cols[1], (*IncludeList)[i]) == 0) {
found = 1;
break;
}
/* If we found the file, we won't reopen it. Conitnue parsing. */
if (found)
continue;
/* Otherwise, try to open the file */
snprintf(format_file, MAX_FILENAME_LENGTH + 6, "%s/%s/%s", filedir,
subdir, in_cols[1]);
new_fp = zzip_fopen(format_file, "r");
/* If opening the file failed, set the error code and abort parsing. */
if (new_fp == NULL) {
error_code = GD_E_OPEN_INCLUDE;
break;
}
/* If we got here, we managed to open the inlcuded file; parse it */
*IncludeList = realloc(*IncludeList, ++(*i_include) * sizeof(char*));
(*IncludeList)[*i_include - 1] = strdup(in_cols[1]);
/* extract the subdirectory name - dirname both returns a volatile string
* and modifies its argument, ergo strcpy */
strcpy(format_file, in_cols[1]);
if (strcmp(subdir, ".") == 0)
strcpy(new_subdir, dirname(format_file));
else
snprintf(new_subdir, MAX_FILENAME_LENGTH, "%s/%s", subdir,
dirname(format_file));
error_code = ParseFormatFile(new_fp, F, filedir, new_subdir, linterp_prefix,
IncludeList, i_include);
zzip_fclose(new_fp);
} else
error_code = GD_E_FORMAT;
/* break out of loop (so we can return) if we've encountered an error */
if (error_code != GD_E_OK)
break;
}
free( lines );
free( buf );
return error_code;
}
/***************************************************************************/
/* */
/* GetDataClose: close all open file handles. */
/* */
/***************************************************************************/
void GetDataClose(struct FormatType *F) {
FreeF(F);
}
/***************************************************************************/
/* */
/* GetFormat: Read format file and fill structure. The format */
/* is cached. */
/* */
/***************************************************************************/
struct FormatType *GetFormat(const char *filedir, const char *linterp_prefix, int *error_code) {
int i_format, i;
//struct stat statbuf;
ZZIP_FILE *fp;
char format_file[MAX_FILENAME_LENGTH+6];
struct FormatType *F;
char raw_data_filename[MAX_FILENAME_LENGTH+FIELD_LENGTH+2];
char **IncludeList = NULL;
int i_include;
/***** open the format file (if there is one) ******/
snprintf(format_file, MAX_FILENAME_LENGTH+6, "%s/format", filedir);
fp = zzip_fopen(format_file, "r");
if (fp == NULL) {
*error_code = GD_E_OPEN_FORMAT;
return (NULL);
}
F = (struct FormatType *) malloc( sizeof(struct FormatType) );
strcpy(F->FileDirName, filedir);
F->n_raw = F->n_lincom = F->n_multiply = F->n_linterp = F->n_mplex = F->n_bit
= 0;
F->frame_offset = 0;
F->rawEntries = NULL;
F->lincomEntries = NULL;
F->multiplyEntries = NULL;
F->linterpEntries = NULL;
F->mplexEntries = NULL;
F->bitEntries = NULL;
/* Parse the file. This will take care of any necessary inclusions */
i_include = 1;
IncludeList = malloc(sizeof(char*));
IncludeList[0] = strdup("format");
*error_code = ParseFormatFile(fp, F, filedir, ".", linterp_prefix, &IncludeList, &i_include);
zzip_fclose(fp);
/* Clean up IncludeList. We don't need it anymore */
for (i = 0; i < i_include; ++i)
free(IncludeList[i]);
free(IncludeList);
if (*error_code!=GD_E_OK) {
FreeF(F);
return(NULL);
}
/** Now sort the lists */
if (F->n_raw > 1) {
for (i=0; i<F->n_raw; i++) {
snprintf(raw_data_filename, MAX_FILENAME_LENGTH+FIELD_LENGTH+2,
"%s/%s", filedir, F->rawEntries[i].file);
//if (stat(raw_data_filename, &statbuf) >=0) {
if ( file_exists(raw_data_filename) ) {
F->first_field = F->rawEntries[i];
break;
}
snprintf(raw_data_filename, MAX_FILENAME_LENGTH+FIELD_LENGTH+2,
"%s/%s.slm", filedir, F->rawEntries[i].file);
//if (stat(raw_data_filename, &statbuf) >=0) {
if ( file_exists(raw_data_filename) ) {
F->first_field = F->rawEntries[i];
break;
}
}
qsort(F->rawEntries, F->n_raw, sizeof(struct RawEntryType),
RawCmp);
}
if (F->n_lincom > 1) {
qsort(F->lincomEntries, F->n_lincom, sizeof(struct LincomEntryType),
LincomCmp);
}
if (F->n_linterp > 1) {
qsort(F->linterpEntries, F->n_linterp, sizeof(struct LinterpEntryType),
LinterpCmp);
}
if (F->n_multiply > 1) {
qsort(F->multiplyEntries, F->n_multiply, sizeof(struct MultiplyEntryType),
MultiplyCmp);
}
if (F->n_mplex > 1) {
qsort(F->mplexEntries, F->n_mplex, sizeof(struct MplexEntryType),
MplexCmp);
}
if (F->n_bit > 1) {
qsort(F->bitEntries, F->n_bit, sizeof(struct BitEntryType),
BitCmp);
}
return(F);
}
/***************************************************************************/
/* */
/* File File Frame numbers into dataout */
/* */
/***************************************************************************/
static void FillFileFrame(void *dataout, char rtype, int s0, int n) {
int i;
switch(rtype) {
case 'c':
for (i=0; i<n; i++) {
((char*)dataout)[i] = (char)i+s0;
}
break;
case 'i': /* for compatibility with creaddata. (deprecated) */
case 'S':
for (i=0; i<n; i++) {
((int*)dataout)[i] = (int)i+s0;
}
break;
case 's':
for (i=0; i<n; i++) {
((short*)dataout)[i] = (short)i+s0;
}
break;
case 'U':
for (i=0; i<n; i++) {
((unsigned int *)dataout)[i] = (unsigned int)i+s0;
}
break;
case 'u':
for (i=0; i<n; i++) {
((unsigned short *)dataout)[i] = (unsigned short)i+s0;
}
break;
case 'f':
for (i=0; i<n; i++) {
((float*)dataout)[i] = (float)i+s0;
}
break;
case 'd':
for (i=0; i<n; i++) {
((double*)dataout)[i] = (double)i+s0;
}
break;
}
}
/***************************************************************************/
/* */
/* ConvertType: copy data to output buffer while converting type */
/* Returns error code */
/* */
/***************************************************************************/
static int ConvertType(unsigned char *data_in, char in_type,
void *data_out, char out_type, int n) {
int i;
if (out_type=='n') { /* null return type: don't return data */
return(0);
}
switch (in_type) {
case 'c':
switch (out_type) {
case 'c':
for (i=0;i<n;i++) ((unsigned char*) data_out)[i]=data_in[i];
break;
case 's':
for (i=0;i<n;i++) ((short*)data_out)[i]=data_in[i];
break;
case 'u':
for (i=0;i<n;i++) ((unsigned short*)data_out)[i]=data_in[i];
break;
case 'i': case 'S':
for (i=0;i<n;i++) ((int*)data_out)[i]=data_in[i];
break;
case 'U':
for (i=0;i<n;i++) ((unsigned int*)data_out)[i]=data_in[i];
break;
case 'f':
for (i=0;i<n;i++) ((float*)data_out)[i]=data_in[i];
break;
case 'd':
for (i=0;i<n;i++) ((double*)data_out)[i]=data_in[i];
break;
default:
return (GD_E_BAD_RETURN_TYPE);
}
break;
case 's':
switch (out_type) {
case 'c':
for (i=0;i<n;i++) ((unsigned char*) data_out)[i]=((short *)data_in)[i];
break;
case 's':
for (i=0;i<n;i++) ((short*)data_out)[i]=((short *)data_in)[i];
break;
case 'u':
for (i=0;i<n;i++) ((unsigned short*)data_out)[i]=((short *)data_in)[i];
break;
case 'S': case 'i':
for (i=0;i<n;i++) ((int*)data_out)[i]=((short *)data_in)[i];
break;
case 'U':
for (i=0;i<n;i++) ((unsigned int*)data_out)[i]=((short *)data_in)[i];
break;
case 'f':
for (i=0;i<n;i++) ((float*)data_out)[i]=((short *)data_in)[i];
break;
case 'd':
for (i=0;i<n;i++) ((double*)data_out)[i]=((short *)data_in)[i];
break;
default:
return (GD_E_BAD_RETURN_TYPE);
}
break;
case 'u':
switch (out_type) {
case 'c':
for (i=0;i<n;i++) ((unsigned char*) data_out)[i]=
((unsigned short *)data_in)[i];
break;
case 's':
for (i=0;i<n;i++) ((short*)data_out)[i]=
((unsigned short *)data_in)[i];
break;
case 'u':
for (i=0;i<n;i++) ((unsigned short*)data_out)[i]=
((unsigned short *)data_in)[i];
break;
case 'i': case 'S':
for (i=0;i<n;i++) ((int*)data_out)[i]=
((unsigned short *)data_in)[i];
break;
case 'U':
for (i=0;i<n;i++) ((unsigned int*)data_out)[i]=
((unsigned short *)data_in)[i];
break;
case 'f':
for (i=0;i<n;i++) ((float*)data_out)[i]=
((unsigned short *)data_in)[i];
break;
case 'd':
for (i=0;i<n;i++) ((double*)data_out)[i]=
((unsigned short *)data_in)[i];
break;
default:
return (GD_E_BAD_RETURN_TYPE);
}
break;
case 'i':
case 'S':
switch (out_type) {
case 'c':
for (i=0;i<n;i++) ((unsigned char*) data_out)[i]=((int *)data_in)[i];
break;
case 's':
for (i=0;i<n;i++) ((short*)data_out)[i]=((int *)data_in)[i];
break;
case 'u':
for (i=0;i<n;i++) ((unsigned short*)data_out)[i]=((int *)data_in)[i];
break;
case 'i': case 'S':
for (i=0;i<n;i++) ((int*)data_out)[i]=((int *)data_in)[i];
break;
case 'U':
for (i=0;i<n;i++) ((unsigned int*)data_out)[i]=((int *)data_in)[i];
break;
case 'f':
for (i=0;i<n;i++) ((float*)data_out)[i]=((int *)data_in)[i];
break;
case 'd':
for (i=0;i<n;i++) ((double*)data_out)[i]=((int *)data_in)[i];
break;
default:
return (GD_E_BAD_RETURN_TYPE);
}
break;
case 'U':
switch (out_type) {
case 'c':
for (i=0;i<n;i++) ((unsigned char*) data_out)[i]=
((unsigned *)data_in)[i];
break;
case 's':
for (i=0;i<n;i++) ((short*)data_out)[i]=
((unsigned *)data_in)[i];
break;
case 'u':
for (i=0;i<n;i++) ((unsigned short*)data_out)[i]=
((unsigned *)data_in)[i];
break;
case 'i': case 'S':
for (i=0;i<n;i++) ((int*)data_out)[i]=
((unsigned *)data_in)[i];
break;
case 'U':
for (i=0;i<n;i++) ((unsigned int*)data_out)[i]=
((unsigned *)data_in)[i];
break;
case 'f':
for (i=0;i<n;i++) ((float*)data_out)[i]=
((unsigned *)data_in)[i];
break;
case 'd':
for (i=0;i<n;i++) ((double*)data_out)[i]=
((unsigned *)data_in)[i];
break;
default:
return (GD_E_BAD_RETURN_TYPE);
}
break;
case 'f':
switch (out_type) {
case 'c':
for (i=0;i<n;i++) ((unsigned char*) data_out)[i]=((float *)data_in)[i];
break;
case 's':
for (i=0;i<n;i++) ((short*)data_out)[i]=((float *)data_in)[i];
break;
case 'u':
for (i=0;i<n;i++) ((unsigned short*)data_out)[i]=((float *)data_in)[i];
break;
case 'i': case 'S':
for (i=0;i<n;i++) ((int*)data_out)[i]=((float *)data_in)[i];
break;
case 'U':
for (i=0;i<n;i++) ((unsigned int*)data_out)[i]=((float *)data_in)[i];
break;
case 'f':
for (i=0;i<n;i++) ((float*)data_out)[i]=((float *)data_in)[i];
break;
case 'd':
for (i=0;i<n;i++) ((double*)data_out)[i]=((float *)data_in)[i];
break;
default:
return (GD_E_BAD_RETURN_TYPE);
}
break;