/** \file select.c The select mode of adu. */
#include <dirent.h> /* readdir() */
+#include "format.h"
#include "adu.h"
#include "gcc-compat.h"
#include "cmdline.h"
#include "string.h"
#include "error.h"
#include "portable_io.h"
-#include "select.cmdline.h"
/** Global dir count. */
static uint64_t num_dirs;
/** Global bytes count. */
static uint64_t num_bytes;
+
/** The decimal representation of an uint64_t never exceeds that size. */
#define FORMATED_VALUE_SIZE 25
+#define GLOBAL_SUMMARY_ATOMS \
+ ATOM(dirs, COUNT) \
+ ATOM(files, COUNT) \
+ ATOM(size, SIZE)
+
+#define ATOM(x, y) { .name = #x, .type = AT_ ## y},
+struct atom global_summary_atoms[] = {
+ GLOBAL_SUMMARY_ATOMS
+ {.name = NULL}
+};
+#undef ATOM
+#define ATOM(x, y) gsa_ ## x,
+enum global_summary_atoms {GLOBAL_SUMMARY_ATOMS};
+#undef ATOM
+
+#define USER_SUMMARY_ATOMS \
+ ATOM(pw_name, STRING) \
+ ATOM(uid, ID) \
+ ATOM(dirs, COUNT) \
+ ATOM(files, COUNT) \
+ ATOM(size, SIZE)
+
+#define ATOM(x, y) { .name = #x, .type = AT_ ## y},
+struct atom user_summary_atoms[] = {
+ USER_SUMMARY_ATOMS
+ {.name = NULL}
+};
+#undef ATOM
+#define ATOM(x, y) usa_ ## x,
+enum user_summary_atoms {USER_SUMMARY_ATOMS};
+#undef ATOM
+
+
/* these get filled in by the select command. */
static char count_unit_buf[4] = "( )", size_unit_buf[4] = "( )";
static const char size_unit_abbrevs[] = " BKMGT";
static const char count_unit_abbrevs[] = " kmgt";
-struct select_args_info select_conf;
-static struct uid_range *admissible_uids;
-
static enum enum_size_unit format_size_value(enum enum_size_unit unit,
uint64_t value, int print_unit, char *result)
{
return u;
}
+static FILE *output_file;
+
+__printf_1_2 static int output(const char const *fmt, ...)
+{
+ va_list argp;
+ int ret;
+
+ va_start(argp, fmt);
+ ret = vfprintf(output_file, fmt, argp);
+ va_end(argp);
+ return ret < 0? -E_OUTPUT : 1;
+}
+
static int get_dir_name_by_number(uint64_t *dirnum, char **name)
{
char *result = NULL, *tmp;
ret = osl(osl_get_object(dir_table, row, DT_NAME, &obj));
if (ret < 0)
goto out;
- pfx = (conf.print_base_dir_given || val)? (char *)obj.data : ".";
+ pfx = (select_conf.print_base_dir_given || val)? (char *)obj.data : ".";
tmp = make_message("%s/%s", pfx, result? result : "");
free(result);
result = tmp;
goto err;
files = *(uint64_t *)obj.data;
if (usi->count && (usi->flags & USF_PRINT_FILES)) {
- format_count_value(conf.count_unit_arg, files,
- conf.count_unit_arg == count_unit_arg_h,
+ format_count_value(select_conf.count_unit_arg, files,
+ select_conf.count_unit_arg == count_unit_arg_h,
formated_value);
- printf("\t%s%s", formated_value,
+ ret = output("\t%s%s", formated_value,
(usi->flags & (USF_PRINT_BYTES | USF_PRINT_DIRNAME))?
- "\t" : "\n"
- );
+ "\t" : "\n");
+ if (ret < 0)
+ goto err;
}
if (summary)
usi->ui->files += files;
goto err;
bytes = *(uint64_t *)obj.data;
if (usi->count && (usi->flags & USF_PRINT_BYTES)) {
- format_size_value(conf.size_unit_arg, bytes,
- conf.size_unit_arg == size_unit_arg_h,
+ format_size_value(select_conf.size_unit_arg, bytes,
+ select_conf.size_unit_arg == size_unit_arg_h,
formated_value);
- printf("%s%s%s",
+ ret = output("%s%s%s",
(usi->flags & USF_PRINT_FILES)? "" : "\t",
formated_value,
usi->flags & USF_PRINT_DIRNAME? "\t" : "\n"
);
+ if (ret < 0)
+ goto err;
}
if (summary) {
usi->ui->bytes += bytes;
ret = get_dir_name_by_number((uint64_t *)obj.data, &dirname);
if (ret < 0)
goto err;
- printf("%s%s\n",
+ ret = output("%s%s\n",
(usi->flags & (USF_PRINT_BYTES | USF_PRINT_FILES))? "" : "\t",
dirname);
free(dirname);
+ if (ret < 0)
+ goto err;
}
if (usi->count > 0)
usi->count--;
goto err;
files = *(uint64_t *)obj.data;
if (gsi->count && (gsi->flags & GSF_PRINT_FILES)) {
- format_count_value(conf.count_unit_arg, files,
- conf.count_unit_arg == count_unit_arg_h,
+ format_count_value(select_conf.count_unit_arg, files,
+ select_conf.count_unit_arg == count_unit_arg_h,
formated_value);
- printf("\t%s%s", formated_value,
+ ret = output("\t%s%s", formated_value,
(gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_DIRNAME))?
"\t" : "\n");
+ if (ret < 0)
+ goto err;
}
if (summary)
num_files += files;
goto err;
bytes = *(uint64_t *)obj.data;
if (gsi->count && (gsi->flags & GSF_PRINT_BYTES)) {
- format_size_value(conf.size_unit_arg, bytes,
- conf.size_unit_arg == size_unit_arg_h,
+ format_size_value(select_conf.size_unit_arg, bytes,
+ select_conf.size_unit_arg == size_unit_arg_h,
formated_value);
- printf("%s%s%s",
+ ret = output("%s%s%s",
(gsi->flags & GSF_PRINT_FILES)? "" : "\t",
formated_value,
(gsi->flags & GSF_PRINT_DIRNAME)? "\t" : "\n"
);
+ if (ret < 0)
+ goto err;
}
if (summary) {
num_bytes += bytes;
ret = get_dir_name_of_row(row, &dirname);
if (ret < 0)
goto err;
- printf("%s%s\n",
+ ret = output("%s%s\n",
(gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_FILES))? "" : "\t",
dirname);
free(dirname);
+ if (ret < 0)
+ goto err;
}
if (gsi->count > 0)
gsi->count--;
return check_loop_return(ret, *loop_ret, *loop_osl_errno);
}
-static void print_global_summary(void)
+static int print_global_summary(struct format_info *fi)
{
- char d[FORMATED_VALUE_SIZE], f[FORMATED_VALUE_SIZE],
- s[FORMATED_VALUE_SIZE];
- enum enum_count_unit ud, uf;
- enum enum_size_unit us;
-
- if (conf.no_global_summary_given)
- return;
- ud = format_count_value(conf.count_unit_arg, num_dirs, 0, d);
- uf = format_count_value(conf.count_unit_arg, num_files, 0, f);
- us = format_size_value(conf.size_unit_arg, num_bytes, 0, s);
-
- if (!conf.no_headers_given)
- printf("Global summary "
- "(dirs(%c)/files(%c)/size(%c))\n",
- count_unit_abbrevs[ud],
- count_unit_abbrevs[uf],
- size_unit_abbrevs[us]
- );
- printf("\t%s\t%s\t%s\n\n", d, f, s);
+ int ret;
+ char *buf;
+ union atom_value values[] = {
+ [gsa_dirs] = {.num_value = (long long unsigned)num_dirs},
+ [gsa_files] = {.num_value = (long long unsigned)num_files},
+ [gsa_size] = {.num_value = (long long unsigned)num_bytes}
+ };
+
+ if (select_conf.no_global_summary_given)
+ return 1;
+ if (!select_conf.no_headers_given) {
+ ret = output("Global summary\n");
+ if (ret < 0)
+ return ret;
+ }
+ buf = format_items(fi, values);
+ ret = output("%s", buf);
+ free(buf);
+ return ret;
}
static int print_user_summary_line(struct user_info *ui, __a_unused void *data)
{
- char formated_dir_count[FORMATED_VALUE_SIZE],
- formated_file_count[FORMATED_VALUE_SIZE],
- formated_bytes[FORMATED_VALUE_SIZE ];
-
- format_count_value(conf.count_unit_arg, ui->dirs,
- conf.count_unit_arg == count_unit_arg_h,
- formated_dir_count);
- format_count_value(conf.count_unit_arg, ui->files,
- conf.count_unit_arg == count_unit_arg_h,
- formated_file_count);
- format_size_value(conf.size_unit_arg, ui->bytes,
- conf.size_unit_arg == size_unit_arg_h,
- formated_bytes);
- printf("\t%s\t%u\t%s\t%s\t%s\n",
- ui->pw_name? ui->pw_name : "?",
- (unsigned)ui->uid,
- formated_dir_count,
- formated_file_count,
- formated_bytes
- );
- return 1;
+ struct format_info *fi = data;
+ union atom_value values[] = {
+ [usa_pw_name] = {.string_value = ui->pw_name?
+ ui->pw_name : "?"},
+ [usa_uid] = {.num_value = (long long unsigned)ui->uid},
+ [usa_dirs] = {.num_value = (long long unsigned)ui->dirs},
+ [usa_files] = {.num_value = (long long unsigned)ui->files},
+ [usa_size] = {.num_value = (long long unsigned)ui->bytes}
+ };
+ char *buf = format_items(fi, values);
+ int ret = output("%s", buf);
+
+ free(buf);
+ return ret;
}
static int name_comp(const void *a, const void *b)
[user_summary_sort_arg_size] = size_comp,
};
-static void print_user_summary(void)
+static int print_user_summary(struct format_info *fi)
{
- if (conf.no_user_summary_given)
- return;
- if (!conf.no_headers_given)
- printf("User summary "
- "(pw_name/uid/dirs%s/files%s/size%s):\n",
- count_unit_buf, count_unit_buf, size_unit_buf);
- sort_hash_table(summary_comparators[conf.user_summary_sort_arg]);
- for_each_admissible_user(print_user_summary_line, NULL);
+ if (select_conf.no_user_summary_given)
+ return 1;
+ if (!select_conf.no_headers_given) {
+ int ret = output("User summary\n");
+ if (ret < 0)
+ return ret;
+ }
+ sort_hash_table(summary_comparators[select_conf.user_summary_sort_arg]);
+ return for_each_admissible_user(print_user_summary_line, fi);
}
static int print_user_list(struct user_info *ui, __a_unused void *data)
{
int ret;
struct user_stats_info usi;
- enum enum_user_list ula = conf.user_list_arg;
+ enum enum_user_list ula = select_conf.user_list_arg;
int print_size_list = (ula == user_list_arg_size
|| ula == user_list_arg_both);
if (print_size_list) {
- usi.count = conf.limit_arg;
+ usi.count = select_conf.limit_arg;
usi.ui = ui;
usi.flags = USF_PRINT_DIRNAME | USF_PRINT_BYTES | USF_COMPUTE_SUMMARY;
- if (!conf.no_headers_given)
- printf("%s (uid %u), by size%s:\n",
+ if (!select_conf.no_headers_given) {
+ ret = output("%s (uid %u), by size%s:\n",
ui->pw_name? ui->pw_name : "?", (unsigned)ui->uid,
size_unit_buf);
+ if (ret < 0)
+ return ret;
+ }
ret = adu_loop_reverse(ui->table, UT_BYTES, &usi, user_stats_loop_function,
&usi.ret, &usi.osl_errno);
if (ret < 0)
return ret;
- printf("\n");
+ ret = output("\n");
+ if (ret < 0)
+ return ret;
}
if (ula == user_list_arg_file_count || ula == user_list_arg_both) {
- if (!conf.no_headers_given)
- printf("%s (uid %u), by file count%s:\n",
+ if (!select_conf.no_headers_given) {
+ ret = output("%s (uid %u), by file count%s:\n",
ui->pw_name? ui->pw_name : "?", (unsigned)ui->uid,
count_unit_buf);
- usi.count = conf.limit_arg,
+ if (ret < 0)
+ return ret;
+ }
+ usi.count = select_conf.limit_arg,
usi.ui = ui;
usi.flags = USF_PRINT_DIRNAME | USF_PRINT_FILES;
ret = adu_loop_reverse(ui->table, UT_FILES, &usi, user_stats_loop_function,
&usi.ret, &usi.osl_errno);
if (ret < 0)
return ret;
- printf("\n");
+ ret = output("\n");
+ if (ret < 0)
+ return ret;
}
- if (ula == user_list_arg_none && !conf.no_user_summary_given) {
- usi.count = conf.limit_arg;
+ if (ula == user_list_arg_none && !select_conf.no_user_summary_given) {
+ usi.count = select_conf.limit_arg;
usi.ui = ui;
usi.flags = USF_COMPUTE_SUMMARY;
ret = adu_loop_reverse(ui->table, UT_FILES, &usi, user_stats_loop_function,
{
struct global_stats_info gsi;
int ret;
- enum enum_global_list gla = conf.global_list_arg;
+ enum enum_global_list gla = select_conf.global_list_arg;
int print_size_list = (gla == global_list_arg_size
|| gla == global_list_arg_both);
if (print_size_list) {
- gsi.count = conf.limit_arg;
+ gsi.count = select_conf.limit_arg;
gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_BYTES | GSF_COMPUTE_SUMMARY;
- if (!conf.no_headers_given)
- printf("By size%s:\n", size_unit_buf);
+ if (!select_conf.no_headers_given) {
+ ret = output("By size%s:\n", size_unit_buf);
+ if (ret < 0)
+ return ret;
+ }
ret = adu_loop_reverse(dir_table, DT_BYTES, &gsi,
global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
if (ret < 0)
return ret;
- printf("\n");
+ ret = output("\n");
+ if (ret < 0)
+ return ret;
}
if (gla == global_list_arg_file_count || gla == global_list_arg_both) {
- gsi.count = conf.limit_arg;
+ gsi.count = select_conf.limit_arg;
gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_FILES;
if (!print_size_list)
gsi.flags |= GSF_COMPUTE_SUMMARY;
- if (!conf.no_headers_given)
- printf("By file count%s:\n", count_unit_buf);
+ if (!select_conf.no_headers_given) {
+ ret = output("By file count%s:\n", count_unit_buf);
+ if (ret < 0)
+ return ret;
+ }
ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
if (ret < 0)
return ret;
- printf("\n");
+ ret = output("\n");
+ if (ret < 0)
+ return ret;
}
- if (gla == global_list_arg_none && !conf.no_global_summary_given) {
+ if (gla == global_list_arg_none && !select_conf.no_global_summary_given) {
/* must compute summary */
- gsi.count = conf.limit_arg;
+ gsi.count = select_conf.limit_arg;
gsi.flags = GSF_COMPUTE_SUMMARY;
ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
return 1;
}
-static int print_statistics(void)
+static int print_statistics(struct select_format_info *sli)
{
int ret;
ret = print_global_lists();
if (ret < 0)
return ret;
- print_global_summary();
- print_user_lists();
- print_user_summary();
+ ret = print_global_summary(sli->global_summary_fi);
+ free_format_info(sli->global_summary_fi);
+ if (ret < 0)
+ return ret;
+ ret = print_user_lists();
+ if (ret < 0)
+ return ret;
+ ret = print_user_summary(sli->user_summary_fi);
+ free_format_info(sli->user_summary_fi);
+ if (ret < 0)
+ return ret;
return 1;
}
-static int read_uid_file(void)
+static int read_uid_file(struct uid_range *admissible_uids)
{
size_t size;
uint32_t n;
return ret;
}
-int com_select(void)
+int run_select_query(struct uid_range *admissible_uids,
+ struct select_format_info *sfi)
{
int ret;
- struct select_cmdline_parser_params params = {
- .override = 1,
- .initialize = 1,
- .check_required = 1,
- .check_ambiguity = 1,
- .print_errors = 1
- };
- if (conf.select_options_given) {
- if (select_cmdline_parser_string_ext(conf.select_options_arg,
- &select_conf, "select", ¶ms))
- return -E_SYNTAX;
- ret = parse_uid_arg(select_conf.uid_arg, &admissible_uids);
- if (ret < 0)
- return ret;
- }
+ if (select_conf.output_given && strcmp(select_conf.output_arg, "-")) {
+ output_file = fopen(select_conf.output_arg, "w");
+ if (!output_file)
+ return -ERRNO_TO_ERROR(errno);
+ } else
+ output_file = stdout;
- if (conf.count_unit_arg != count_unit_arg_h)
- count_unit_buf[1] = count_unit_abbrevs[conf.count_unit_arg];
+ if (select_conf.count_unit_arg != count_unit_arg_h)
+ count_unit_buf[1] = count_unit_abbrevs[select_conf.count_unit_arg];
else
count_unit_buf[0] = '\0';
- if (conf.size_unit_arg != size_unit_arg_h)
- size_unit_buf[1] = size_unit_abbrevs[conf.size_unit_arg];
+ if (select_conf.size_unit_arg != size_unit_arg_h)
+ size_unit_buf[1] = size_unit_abbrevs[select_conf.size_unit_arg];
else
size_unit_buf[0] = '\0';
ret = open_dir_table(0);
if (ret < 0)
- return ret;
+ goto out;
check_signals();
- ret = read_uid_file();
+ ret = read_uid_file(admissible_uids);
if (ret < 0)
- return ret;
+ goto out;
check_signals();
- ret = print_statistics();
+ ret = print_statistics(sfi);
+out:
close_all_tables();
+ if (output_file != stdout)
+ fclose(output_file);
return ret;
}
+
+/* return: < 0: error, >0: OK, == 0: help given */
+int parse_select_options(char *string, struct select_cmdline_parser_params *params,
+ struct uid_range **admissible_uids, struct select_format_info *sfi)
+{
+ int ret;
+ const char **line;
+
+ if (conf.select_options_given) {
+ int argc;
+ char **argv;
+
+ ret = create_argv(string, &argv);
+ if (ret < 0)
+ return ret;
+ argc = ret;
+ ret = select_cmdline_parser_ext(argc, argv, &select_conf, params);
+ free_argv(argv);
+ if (ret)
+ return -E_SYNTAX;
+ if (select_conf.help_given || select_conf.detailed_help_given)
+ goto help;
+
+ }
+ ret = parse_uid_arg(select_conf.uid_arg, admissible_uids);
+ if (ret < 0)
+ return ret;
+ ret = parse_format_string(select_conf.user_summary_format_arg,
+ user_summary_atoms, &sfi->user_summary_fi);
+ if (ret < 0)
+ return ret;
+ ret = parse_format_string(select_conf.global_summary_format_arg,
+ global_summary_atoms, &sfi->global_summary_fi);
+ if (ret < 0) {
+ free_format_info(sfi->user_summary_fi);
+ return ret;
+ }
+ return 1;
+help:
+ line = select_conf.detailed_help_given?
+ select_args_info_detailed_help : select_args_info_help;
+ if (!output_file)
+ output_file = stdout;
+ for (; *line; line++) {
+ ret = output("%s\n", *line);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+int com_select(void)
+{
+ struct uid_range *admissible_uids = NULL;
+ struct select_format_info sfi;
+ int ret;
+ struct select_cmdline_parser_params params = {
+ .override = 1,
+ .initialize = 1,
+ .check_required = 1,
+ .check_ambiguity = 1,
+ .print_errors = 1
+ };
+
+ select_cmdline_parser_init(&select_conf);
+ ret = parse_select_options(conf.select_options_arg, ¶ms,
+ &admissible_uids, &sfi);
+ if (ret <= 0) /* do not run query if help was given */
+ return ret;
+ return run_select_query(admissible_uids, &sfi);
+}
projects / adu.git / blobdiff