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fixed string length for file name + comments

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q-posev 2021-12-01 16:28:47 +01:00
parent 7afce779a8
commit acdf982a94
1 changed files with 46 additions and 29 deletions
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src/templates_text/templator_text.org
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@ -1020,25 +1020,29 @@ trexio_exit_code trexio_text_write_$group_sparse_dset$(trexio_t* const file,
if (file == NULL) return TREXIO_INVALID_ARG_1;
/* Build the name of the file with sparse data*/
const char* $group_sparse_dset$_file_name = "/$group_sparse_dset$.txt";
char file_abs_path[TREXIO_MAX_FILENAME_LENGTH];
/* The $group_sparse_dset$.txt is limited to 256 symbols for the moment. What are the chances that it will exceed? */
const char $group_sparse_dset$_file_name[256] = "/$group_sparse_dset$.txt";
/* The full path to the destination TXT file with sparse data. This will include TREXIO directory name. */
char file_full_path[TREXIO_MAX_FILENAME_LENGTH];
strncpy (file_abs_path, file->file_name, TREXIO_MAX_FILENAME_LENGTH);
strncat (file_abs_path, $group_sparse_dset$_file_name,
/* Copy directory name in file_full_path */
strncpy (file_full_path, file->file_name, TREXIO_MAX_FILENAME_LENGTH);
/* Append name of the file with sparse data */
strncat (file_full_path, $group_sparse_dset$_file_name,
TREXIO_MAX_FILENAME_LENGTH-strlen($group_sparse_dset$_file_name));
FILE* f = fopen(file_abs_path, "a");
//TODO ERROR HANDLING
/* Open the file in "a" (append) mode to guarantee that no truncation happens upon consecutive writes */
FILE* f = fopen(file_full_path, "a");
if(f == NULL) return TREXIO_FILE_ERROR;
// read the currently written number of elements
// line_length is 69 because
// 10 per index (40 in total) + 4 spaces + 24 for floating point value + 1 for newline char
// in general: 10*n_indices + n_indices + 24 + 1
/* Specify the line length in order to offset properly. For example, for 4-index quantities
the line_length is 69 because 10 per index + 4 spaces + 24 for floating point value + 1 for the new line char.
CURRENTLY NO OFFSET IS USED WHEN WRITING !
*/
const uint64_t line_length = $group_sparse_dset_line_length$L;
//fseek(f, (long) offset_file * line_length, SEEK_SET);
/* Write the data in the file and check the return code of fprintf to verify that > 0 bytes have been written */
int rc;
for (uint64_t i=0L; i<size; ++i) {
@ -1053,6 +1057,7 @@ trexio_exit_code trexio_text_write_$group_sparse_dset$(trexio_t* const file,
}
/* Close the TXT file */
rc = fclose(f);
if(rc != 0) return TREXIO_FILE_ERROR;
@ -1071,26 +1076,31 @@ trexio_exit_code trexio_text_read_$group_sparse_dset$(trexio_t* const file,
{
if (file == NULL) return TREXIO_INVALID_ARG_1;
/* Build the name of the file with sparse data*/
const char* $group_sparse_dset$_file_name = "/$group_sparse_dset$.txt";
char file_abs_path[TREXIO_MAX_FILENAME_LENGTH];
/* Build the name of the file with sparse data.
The $group_sparse_dset$.txt is limited to 256 symbols for the moment. What are the chances that it will exceed?
,*/
const char $group_sparse_dset$_file_name[256] = "/$group_sparse_dset$.txt";
/* The full path to the destination TXT file with sparse data. This will include TREXIO directory name. */
char file_full_path[TREXIO_MAX_FILENAME_LENGTH];
strncpy (file_abs_path, file->file_name, TREXIO_MAX_FILENAME_LENGTH);
strncat (file_abs_path, $group_sparse_dset$_file_name,
/* Copy directory name in file_full_path */
strncpy (file_full_path, file->file_name, TREXIO_MAX_FILENAME_LENGTH);
/* Append name of the file with sparse data */
strncat (file_full_path, $group_sparse_dset$_file_name,
TREXIO_MAX_FILENAME_LENGTH-strlen($group_sparse_dset$_file_name));
FILE* f = fopen(file_abs_path, "r");
/* Open the file in "r" (read) mode to guarantee that no truncation happens upon consecutive reads */
FILE* f = fopen(file_full_path, "r");
if(f == NULL) return TREXIO_FILE_ERROR;
// read the currently written number of elements
// line_length is 69 because
// 10 per index (40 in total) + 4 spaces + 24 for floating point value + 1 for newline char
// in general: 10*n_indices + n_indices + 24 + 1
/* Specify the line length in order to offset properly. For example, for 4-index quantities
the line_length is 69 because 10 per index + 4 spaces + 24 for floating point value + 1 for the new line char
*/
const uint64_t line_length = $group_sparse_dset_line_length$L;
fseek(f, (long) offset_file * line_length, SEEK_SET);
/* Read the data from the file and check the return code of fprintf to verify that > 0 bytes have been read or reached EOF */
int rc;
for (uint64_t i=0L; i<size; ++i) {
@ -1098,7 +1108,7 @@ trexio_exit_code trexio_text_read_$group_sparse_dset$(trexio_t* const file,
$group_sparse_dset_indices_scanf$,
&value_sparse[i]);
// TODO: find a way to indicate the number of elements being read (useful?)
// TODO: find a way to indicate the number of elements being read (useful?)
if (rc == EOF){
fclose(f);
@ -1114,6 +1124,7 @@ trexio_exit_code trexio_text_read_$group_sparse_dset$(trexio_t* const file,
}
}
/* Close the TXT file */
rc = fclose(f);
if(rc != 0) return TREXIO_FILE_ERROR;
@ -1127,15 +1138,21 @@ trexio_exit_code trexio_text_has_$group_sparse_dset$(trexio_t* const file)
{
if (file == NULL) return TREXIO_INVALID_ARG_1;
/* Build the name of the file with sparse data*/
const char* $group_sparse_dset$_file_name = "/$group_sparse_dset$.txt";
char file_abs_path[TREXIO_MAX_FILENAME_LENGTH];
/* Build the name of the file with sparse data.
The $group_sparse_dset$.txt is limited to 256 symbols for the moment. What are the chances that it will exceed?
,*/
const char $group_sparse_dset$_file_name[256] = "/$group_sparse_dset$.txt";
/* The full path to the destination TXT file with sparse data. This will include TREXIO directory name. */
char file_full_path[TREXIO_MAX_FILENAME_LENGTH];
strncpy (file_abs_path, file->file_name, TREXIO_MAX_FILENAME_LENGTH);
strncat (file_abs_path, $group_sparse_dset$_file_name,
/* Copy directory name in file_full_path */
strncpy (file_full_path, file->file_name, TREXIO_MAX_FILENAME_LENGTH);
/* Append name of the file with sparse data */
strncat (file_full_path, $group_sparse_dset$_file_name,
TREXIO_MAX_FILENAME_LENGTH-strlen($group_sparse_dset$_file_name));
if (access(file_abs_path, F_OK) == 0){
/* Check the return code of access function to determine whether the file with sparse data exists or not */
if (access(file_full_path, F_OK) == 0){
return TREXIO_SUCCESS;
} else {
return TREXIO_HAS_NOT;