forked from Unidata/netcdf-c
/
tst_rename.c
239 lines (219 loc) · 9.17 KB
/
tst_rename.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
/*
* Demonstrate netcdf-4 rename bug.
*/
#include <netcdf.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* On error, prints line number and file of test program. */
#define ERR do { \
fflush(stdout); \
fprintf(stderr, "Unexpected result, %s, line: %d\n", \
__FILE__, __LINE__); \
return 2; \
} while (0)
#define FILE_NAME3 "tst_rnfix3.nc"
#define FILE_NAME4 "tst_rnfix4.nc"
#define ODIM_NAME "lat" /* name for coord dim */
#define NDIM_NAME "tal" /* new name for coord dim */
#define OVAR_NAME "lat" /* name for coord var */
#define NVAR_NAME "tal" /* new name for coord var */
#define OVAR2_NAME "rh" /* name for non-coord var that uses coord dim */
#define VAR_RANK 1 /* all vars in this test are of same rank */
#define DIM_LEN 2 /* all dims in this test are of same len */
/* For renaming tests. Create small test file of specified format
* with a coordinate dimension, corresponding coordinate variable, and
* a non-coordinate variable that uses the coordinate dimension.
*/
int
create_test_file(
char *path, /* filename */
int format /* NC_FORMAT_CLASSIC, NC_FORMAT_64BIT,
NC_FORMAT_NETCDF4, or NC_FORMAT_NETCDF4_CLASSIC */
)
{
int ncid, dimid, varid, var2id;
int dims[VAR_RANK];
int lats[DIM_LEN] = {-90, 90};
float rh[DIM_LEN] = {0.25, 0.75};
switch (format) {
case (NC_FORMAT_CLASSIC):
if (nc_create(path, 0, &ncid)) ERR;
break;
case (NC_FORMAT_64BIT_OFFSET):
if (nc_create(path, NC_64BIT_OFFSET, &ncid)) ERR;
break;
case (NC_FORMAT_NETCDF4):
if (nc_create(path, NC_NETCDF4, &ncid)) ERR;
break;
case(NC_FORMAT_NETCDF4_CLASSIC):
if (nc_create(path, NC_NETCDF4 | NC_CLASSIC_MODEL, &ncid)) ERR;
break;
default:
ERR;
return NC_ENOTNC;
}
if (nc_def_dim(ncid, ODIM_NAME, DIM_LEN, &dimid)) ERR;
dims[0] = dimid;
if (nc_def_var(ncid, OVAR_NAME, NC_INT, VAR_RANK, dims, &varid)) ERR;
if (nc_def_var(ncid, OVAR2_NAME, NC_FLOAT, VAR_RANK, dims, &var2id)) ERR;
if (nc_enddef(ncid)) ERR; /* not necessary for netCDF-4 files */
if (nc_put_var_int(ncid, varid, lats)) ERR;
if (nc_put_var_float(ncid, var2id, rh)) ERR;
if (nc_close(ncid)) ERR;
return 0;
}
int
main(int argc, char **argv)
{
#define NUM_FORMATS 2
int formats[NUM_FORMATS] = {NC_FORMAT_NETCDF4, NC_FORMAT_NETCDF4_CLASSIC};
char *fmt_names[] = {"netCDF-4", "netCDF-4 classic model"};
char *file_names[] = {FILE_NAME3, FILE_NAME4};
int format;
fprintf(stderr,"*** Testing netcdf rename bugs and fixes.\n");
for(format = 0; format < NUM_FORMATS; format++)
{
int ncid, dimid, varid, var2id;
int lats[DIM_LEN] = {-90, 90};
int lats_in[DIM_LEN];
float rh[DIM_LEN] = {0.25, 0.75};
float rh_in[DIM_LEN];
int ii;
fprintf(stderr,"*** Test renaming coordinate variable and its dimension for %s...\n",
fmt_names[format]);
if (create_test_file(file_names[format], formats[format])) ERR;
if (nc_open(file_names[format], NC_WRITE, &ncid)) ERR;
if (nc_inq_dimid(ncid, ODIM_NAME, &dimid)) ERR;
if (nc_inq_varid(ncid, OVAR_NAME, &varid)) ERR;
if (nc_inq_varid(ncid, OVAR2_NAME, &var2id)) ERR;
if (nc_redef(ncid)) ERR; /* omitting this and nc_enddef call eliminates bug */
if (nc_rename_dim(ncid, dimid, NDIM_NAME)) ERR;
if (nc_rename_var(ncid, varid, NVAR_NAME)) ERR;
if (nc_enddef(ncid)) ERR;
if (nc_get_var_int(ncid, varid, lats_in)) ERR;
for (ii = 0; ii < DIM_LEN; ii++) {
if (lats_in[ii] != lats[ii])
fprintf(stderr, "\tlats_in[%d] is %d, should be %d\n", ii, lats_in[ii], lats[ii]);
}
if (nc_get_var_float(ncid, var2id, rh_in)) ERR;
for (ii = 0; ii < DIM_LEN; ii++) {
if (rh_in[ii] != rh[ii])
fprintf(stderr, "\trh_in[%d] is %g, should be %g\n", ii, rh_in[ii], rh[ii]);
}
if (nc_close(ncid)) ERR;
fprintf(stderr,"*** Test renaming just coordinate variable for %s...\n",
fmt_names[format]);
if (create_test_file(file_names[format], formats[format])) ERR;
if (nc_open(file_names[format], NC_WRITE, &ncid)) ERR;
if (nc_inq_dimid(ncid, ODIM_NAME, &dimid)) ERR;
if (nc_inq_varid(ncid, OVAR_NAME, &varid)) ERR;
if (nc_inq_varid(ncid, OVAR2_NAME, &var2id)) ERR;
if (nc_redef(ncid)) ERR; /* omitting this and nc_enddef call eliminates bug */
/* if (nc_rename_dim(ncid, dimid, NDIM_NAME)) ERR; */
if (nc_rename_var(ncid, varid, NVAR_NAME)) ERR;
if (nc_enddef(ncid)) ERR;
if (nc_get_var_int(ncid, varid, lats_in)) ERR;
for (ii = 0; ii < DIM_LEN; ii++) {
if (lats_in[ii] != lats[ii])
fprintf(stderr, "\tlats_in[%d] is %d, should be %d\n", ii, lats_in[ii], lats[ii]);
}
if (nc_get_var_float(ncid, var2id, rh_in)) ERR;
for (ii = 0; ii < DIM_LEN; ii++) {
if (rh_in[ii] != rh[ii])
fprintf(stderr, "\trh_in[%d] is %g, should be %g\n", ii, rh_in[ii], rh[ii]);
}
if (nc_close(ncid)) ERR;
fprintf(stderr,"*** Test renaming just coordinate dimension for %s...\n",
fmt_names[format]);
if (create_test_file(file_names[format], formats[format])) ERR;
if (nc_open(file_names[format], NC_WRITE, &ncid)) ERR;
if (nc_inq_dimid(ncid, ODIM_NAME, &dimid)) ERR;
if (nc_inq_varid(ncid, OVAR_NAME, &varid)) ERR;
if (nc_inq_varid(ncid, OVAR2_NAME, &var2id)) ERR;
if (nc_redef(ncid)) ERR; /* omitting this and nc_enddef call eliminates bug */
if (nc_rename_dim(ncid, dimid, NDIM_NAME)) ERR;
/* if (nc_rename_var(ncid, varid, NVAR_NAME)) ERR; */
if (nc_enddef(ncid)) ERR;
if (nc_get_var_int(ncid, varid, lats_in)) ERR;
for (ii = 0; ii < DIM_LEN; ii++) {
if (lats_in[ii] != lats[ii])
fprintf(stderr, "\tlats_in[%d] is %d, should be %d\n", ii, lats_in[ii], lats[ii]);
}
if (nc_get_var_float(ncid, var2id, rh_in)) ERR;
for (ii = 0; ii < DIM_LEN; ii++) {
if (rh_in[ii] != rh[ii])
fprintf(stderr, "\trh_in[%d] is %g, should be %g\n", ii, rh_in[ii], rh[ii]);
}
if (nc_close(ncid)) ERR;
if (formats[format] == NC_FORMAT_NETCDF4) {
printf("*** Test renaming attribute in sub-group for %s...\n",
fmt_names[format]);
{
#define DIMNAME "lon"
#define VARNAME "lon"
#define G1_VARNAME "lon"
#define OLD_NAME "units"
#define NEW_NAME "new_units"
#define CONTENTS "degrees_east"
#define RANK_lon 1
#define GRP_NAME "g1"
#define RANK_g1_lon 1
/* IDs of file, groups, dimensions, variables, attributes */
int ncid, g1_grp, lon_dim, lon_var, g1_lon_var;
size_t lon_len = 4;
char *data_in;
/* variable shapes */
int lon_dims[RANK_lon];
int g1_lon_dims[RANK_g1_lon];
if (!(data_in = malloc(strlen(CONTENTS) + 1))) ERR;
/* Create test file */
if (nc_create(file_names[format], NC_NETCDF4 | NC_CLOBBER, &ncid)) ERR;
/* Create subgroup and outer dimension */
if (nc_def_grp(ncid, GRP_NAME, &g1_grp)) ERR;
if (nc_def_dim(ncid, DIMNAME, lon_len, &lon_dim)) ERR;
/* Create outer variable and subgroup variable */
lon_dims[0] = lon_dim;
if (nc_def_var(ncid, VARNAME, NC_FLOAT, RANK_lon, lon_dims, &lon_var)) ERR;
g1_lon_dims[0] = lon_dim;
if (nc_def_var(g1_grp, G1_VARNAME, NC_FLOAT, RANK_g1_lon, g1_lon_dims, &g1_lon_var)) ERR;
/* assign per-variable attributes */
if (nc_put_att_text(ncid, lon_var, OLD_NAME, strlen(CONTENTS), CONTENTS)) ERR;
if (nc_put_att_text(g1_grp, g1_lon_var, OLD_NAME, strlen(CONTENTS), CONTENTS)) ERR;
if (nc_enddef (ncid)) ERR;
/* write variable data */
{
float lon_data[4] = {0, 90, 180, 270};
size_t start[] = {0};
size_t count[] = {4};
if (nc_put_vara(ncid, lon_var, start, count, lon_data)) ERR;
}
{
float g1_lon_data[4] = {0, 90, 180, 270};
size_t start[] = {0};
size_t count[] = {4};
if (nc_put_vara(g1_grp, g1_lon_var, start, count, g1_lon_data)) ERR;
}
if (nc_close(ncid)) ERR;
/* reopen the file and rename the attribute in the subgroup */
if (nc_open(file_names[format], NC_WRITE, &ncid)) ERR;
if (nc_inq_grp_ncid(ncid, GRP_NAME, &g1_grp)) ERR;
if (nc_inq_varid(g1_grp,VARNAME,&g1_lon_var)) ERR;
if (nc_rename_att(g1_grp, g1_lon_var, OLD_NAME, NEW_NAME)) ERR;
if (nc_close(ncid)) ERR;
/* reopen the file again and see if renamed attribute exists and
has expected value */
{
if (nc_open(file_names[format], NC_NOWRITE, &ncid)) ERR;
if (nc_inq_grp_ncid(ncid, GRP_NAME, &g1_grp)) ERR;
if (nc_inq_varid(g1_grp, VARNAME, &g1_lon_var)) ERR;
if (nc_get_att_text(g1_grp, g1_lon_var, NEW_NAME, data_in)) ERR;
if (strncmp(CONTENTS, data_in, strlen(CONTENTS))) ERR;
if (nc_close(ncid)) ERR;
}
free(data_in);
}
}
}
return(0);
}