TREX/trexio
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Fix text back end for read-only directories (make distcheck in qmckl)

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This commit is contained in:
Anthony Scemama 2021-10-13 17:43:15 +02:00
parent d017306706
commit 5cf12131f1
1 changed files with 27 additions and 10 deletions
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37
src/templates_text/templator_text.org
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@ -172,7 +172,24 @@ trexio_text_init (trexio_t* const file)
f->lock_file = open(file_name,O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (f->lock_file <= 0) {
return TREXIO_ERRNO;
if (file->mode != 'r') {
return TREXIO_ERRNO;
} else {
if (errno == EACCES) {
/* The directory is read-only and the lock file can't be written.
Create a dummy temporary file for dummy locking.
*/
char dirname[TREXIO_MAX_FILENAME_LENGTH] = "/tmp/trexio.XXXXXX";
mkdtemp(dirname);
strncpy (file_name, dirname, TREXIO_MAX_FILENAME_LENGTH);
strncat (file_name, lock_file_name, TREXIO_MAX_FILENAME_LENGTH-strlen(lock_file_name));
f->lock_file = open(file_name,O_WRONLY|O_CREAT|O_TRUNC, 0644);
remove(file_name);
rmdir(dirname);
} else {
return TREXIO_ERRNO;
}
}
}
return TREXIO_SUCCESS;
@ -372,7 +389,7 @@ trexio_text_read_$group$ (trexio_text_t* const file)
FREE($group$);
return NULL;
}
/* additional parameter local_isSet is needed to suppress warning when fscanf into bool variable using %u or %d */
rc = fscanf(f, "%u", &(local_isSet));
$group$->$group_num$_isSet = (bool) local_isSet;
@ -384,7 +401,7 @@ trexio_text_read_$group$ (trexio_text_t* const file)
return NULL;
}
if ($group$->$group_num$_isSet == true) {
if ($group$->$group_num$_isSet == true) {
rc = fscanf(f, "%1023s", buffer);
assert(!((rc != 1) || (strcmp(buffer, "$group_num$") != 0)));
if ((rc != 1) || (strcmp(buffer, "$group_num$") != 0)) {
@ -393,7 +410,7 @@ trexio_text_read_$group$ (trexio_text_t* const file)
FREE($group$);
return NULL;
}
rc = fscanf(f, "%$group_num_std_dtype_in$", &($group$->$group_num$));
assert(!(rc != 1));
if (rc != 1) {
@ -506,7 +523,7 @@ trexio_text_read_$group$ (trexio_text_t* const file)
FREE($group$);
return NULL;
}
rc = fscanf(f, "%1023s", buffer);
assert(!((rc != 1) || (strcmp(buffer, "$group_dset$") != 0)));
if ((rc != 1) || (strcmp(buffer, "$group_dset$") != 0)) {
@ -516,16 +533,16 @@ trexio_text_read_$group$ (trexio_text_t* const file)
FREE($group$);
return NULL;
}
/* WARNING: this tmp array allows to avoid allocation of space for each element of array of string
, BUT it's size has to be number_of_str*max_len_str where max_len_str is somewhat arbitrary, e.g. 32.
,*/
char* tmp_$group_dset$;
tmp_$group_dset$ = CALLOC(size_$group_dset$*32, char);
for (uint64_t i=0 ; i<size_$group_dset$ ; ++i) {
$group$->$group_dset$[i] = tmp_$group_dset$;
/* conventional fcanf with "%s" only return the string before the first space character
/* conventional fcanf with "%s" only return the string before the first space character
,* to read string with spaces use "%[^\n]" possible with space before or after, i.e. " %[^\n]"
,* Q: depending on what ? */
rc = fscanf(f, " %1023[^\n]", tmp_$group_dset$);
@ -537,7 +554,7 @@ trexio_text_read_$group$ (trexio_text_t* const file)
FREE($group$);
return NULL;
}
size_t tmp_$group_dset$_len = strlen($group$->$group_dset$[i]);
tmp_$group_dset$ += tmp_$group_dset$_len + 1;
}
@ -896,7 +913,7 @@ trexio_text_write_$group_dset$ (trexio_t* const file, const char** dset, const u
size_t tmp_len = strlen(dset[i]);
$group$->$group_dset$[i] = tmp_str;
strncpy(tmp_str, dset[i], tmp_len);
tmp_str += tmp_len + 1;
tmp_str += tmp_len + 1;
}
$group$->to_flush = 1;