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alternative way to check for EOF with fgets while reading

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q-posev 2021-12-03 19:23:01 +01:00
parent e340c6541d
commit e5bde10056
1 changed files with 10 additions and 8 deletions
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18
src/templates_text/templator_text.org
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@ -1059,7 +1059,7 @@ trexio_exit_code trexio_text_write_$group_dset$(trexio_t* const file,
rc = fprintf(f, "$group_dset_format_printf$\n", rc = fprintf(f, "$group_dset_format_printf$\n",
$group_dset_sparse_indices_printf$, $group_dset_sparse_indices_printf$,
value_sparse[i]); *(value_sparse + i));
if(rc <= 0) { if(rc <= 0) {
fclose(f); fclose(f);
@ -1110,7 +1110,7 @@ trexio_exit_code trexio_text_read_$group_dset$(trexio_t* const file,
/* Build the name of the file with sparse data. /* Build the name of the file with sparse data.
The $group_dset$.txt is limited to 256 symbols for the moment. What are the chances that it will exceed? The $group_dset$.txt is limited to 256 symbols for the moment. What are the chances that it will exceed?
*/ ,*/
const char $group_dset$_file_name[256] = "/$group_dset$.txt"; const char $group_dset$_file_name[256] = "/$group_dset$.txt";
/* The full path to the destination TXT file with sparse data. This will include TREXIO directory name. */ /* 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]; char file_full_path[TREXIO_MAX_FILENAME_LENGTH];
@ -1127,27 +1127,29 @@ trexio_exit_code trexio_text_read_$group_dset$(trexio_t* const file,
/* Specify the line length in order to offset properly. For example, for 4-index quantities /* 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 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 = $group_dset_sparse_line_length$L; const uint64_t line_length = $group_dset_sparse_line_length$L;
fseek(f, (long) offset_file * line_length, SEEK_SET); 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 */ /* 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; int rc;
char buffer[1024];
for (uint64_t i=0L; i<size; ++i) { for (uint64_t i=0L; i<size; ++i) {
rc = fscanf(f, "$group_dset_format_scanf$", memset(buffer,0,sizeof(buffer));
$group_dset_sparse_indices_scanf$,
&value_sparse[i]);
// TODO: find a way to indicate the number of elements being read (useful?) if(fgets(buffer, 1023, f) == NULL){
if (rc == EOF){
fclose(f); fclose(f);
return TREXIO_END; return TREXIO_END;
} else { } else {
rc = sscanf(buffer, "$group_dset_format_scanf$",
$group_dset_sparse_indices_scanf$,
value_sparse + i);
if(rc <= 0) { if(rc <= 0) {
fclose(f); fclose(f);
return TREXIO_FAILURE; return TREXIO_FAILURE;