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add_files: Change to return a status value instead of void

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Also change to use goto rather than early returns. And once again,
there were lots of bugs in the error cases previously.
This commit is contained in:
Carl Worth 2009-10-23 15:39:11 -07:00
parent a7a897b883
commit 9577e8a105
1 changed files with 34 additions and 15 deletions
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49
notmuch.c
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@ -123,24 +123,24 @@ add_files_print_progress (add_files_state_t *state)
/* Recursively find all regular files in 'path' and add them to the
* database. */
void
notmuch_status_t
add_files (notmuch_database_t *notmuch, const char *path,
add_files_state_t *state)
{
DIR *dir;
struct dirent *entry, *e;
DIR *dir = NULL;
struct dirent *e, *entry = NULL;
int entry_length;
int err;
char *next;
char *next = NULL;
struct stat st;
notmuch_status_t status;
notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS;
dir = opendir (path);
if (dir == NULL) {
fprintf (stderr, "Warning: failed to open directory %s: %s\n",
path, strerror (errno));
return;
ret = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
entry_length = offsetof (struct dirent, d_name) +
@ -152,8 +152,8 @@ add_files (notmuch_database_t *notmuch, const char *path,
if (err) {
fprintf (stderr, "Error reading directory: %s\n",
strerror (errno));
free (entry);
return;
ret = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
if (e == NULL)
@ -173,7 +173,12 @@ add_files (notmuch_database_t *notmuch, const char *path,
next = g_strdup_printf ("%s/%s", path, entry->d_name);
stat (next, &st);
if (stat (next, &st)) {
fprintf (stderr, "Error reading %s: %s\n",
next, strerror (errno));
ret = NOTMUCH_STATUS_FILE_ERROR;
continue;
}
if (S_ISREG (st.st_mode)) {
state->processed_files++;
@ -187,15 +192,24 @@ add_files (notmuch_database_t *notmuch, const char *path,
if (state->processed_files % 1000 == 0)
add_files_print_progress (state);
} else if (S_ISDIR (st.st_mode)) {
add_files (notmuch, next, state);
status = add_files (notmuch, next, state);
if (status && ret == NOTMUCH_STATUS_SUCCESS)
ret = status;
}
free (next);
next = NULL;
}
free (entry);
DONE:
if (next)
free (next);
if (entry)
free (entry);
if (dir)
closedir (dir);
closedir (dir);
return ret;
}
/* Recursively count all regular files in path and all sub-direcotries
@ -354,7 +368,7 @@ setup_command (int argc, char *argv[])
add_files_state.added_messages = 0;
gettimeofday (&add_files_state.tv_start, NULL);
add_files (notmuch, mail_directory, &add_files_state);
ret = add_files (notmuch, mail_directory, &add_files_state);
gettimeofday (&tv_now, NULL);
elapsed = tv_elapsed (add_files_state.tv_start,
@ -370,12 +384,17 @@ setup_command (int argc, char *argv[])
"run \"notmuch new\" to add it to the database.\n",
mail_directory);
if (ret) {
printf ("Note: At least one error was encountered: %s\n",
notmuch_status_to_string (ret));
}
DONE:
if (mail_directory)
free (mail_directory);
if (notmuch)
notmuch_database_close (notmuch);
return ret;
}