Convert the user-lists to pretty-formating.
[adu.git] / select.c
index a58ec39a4ad6338c827d2d275fd220443fcab2b2..28bd492c9521826eb857980ef1fed221a3cb0971 100644 (file)
--- a/select.c
+++ b/select.c
@@ -16,9 +16,7 @@
 #include "error.h"
 #include "portable_io.h"
 
-/** The decimal representation of an uint64_t never exceeds that size. */
-#define FORMATED_VALUE_SIZE 25
-
+/* global list */
 #define GLOBAL_LIST_ATOMS \
        ATOM(size, SIZE) \
        ATOM(files, COUNT) \
@@ -34,6 +32,7 @@ struct atom global_list_atoms[] = {
 enum global_list_atoms {GLOBAL_LIST_ATOMS};
 #undef ATOM
 
+/* global summary */
 #define GLOBAL_SUMMARY_ATOMS \
        ATOM(dirs, COUNT) \
        ATOM(files, COUNT) \
@@ -49,6 +48,25 @@ struct atom global_summary_atoms[] = {
 enum global_summary_atoms {GLOBAL_SUMMARY_ATOMS};
 #undef ATOM
 
+/* user list */
+#define USER_LIST_ATOMS \
+       ATOM(pw_name, STRING) \
+       ATOM(uid, ID) \
+       ATOM(size, SIZE) \
+       ATOM(files, COUNT) \
+       ATOM(dirname, STRING) \
+
+#define ATOM(x, y) { .name = #x, .type = AT_ ## y},
+struct atom user_list_atoms[] = {
+       USER_LIST_ATOMS
+       {.name = NULL}
+};
+#undef ATOM
+#define ATOM(x, y) ula_ ## x,
+enum user_list_atoms {USER_LIST_ATOMS};
+#undef ATOM
+
+/* user summary */
 #define USER_SUMMARY_ATOMS \
        ATOM(pw_name, STRING) \
        ATOM(uid, ID) \
@@ -66,11 +84,6 @@ struct atom user_summary_atoms[] = {
 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] = "( )";
-
 struct global_list_info {
        uint32_t count;
        int ret;
@@ -89,80 +102,20 @@ struct global_summary_info {
        int osl_errno;
 };
 
-struct user_summary_info {
+struct user_list_info {
+       uint32_t count;
        struct user_info *ui;
+       struct format_info *fi;
        int ret;
        int osl_errno;
 };
 
-
-enum user_stats_flags {
-       USF_PRINT_DIRNAME = 1,
-       USF_PRINT_BYTES = 2,
-       USF_PRINT_FILES = 4,
-       USF_COMPUTE_SUMMARY = 8,
-};
-
-struct user_stats_info {
-       uint32_t count;
-       enum user_stats_flags flags;
+struct user_summary_info {
+       struct user_info *ui;
        int ret;
        int osl_errno;
-       struct user_info *ui;
 };
 
-static const uint64_t size_unit_divisors[] = {
-       [size_unit_arg_b] = 1ULL,
-       [size_unit_arg_k] = 1024ULL,
-       [size_unit_arg_m] = 1024ULL * 1024ULL,
-       [size_unit_arg_g] = 1024ULL * 1024ULL * 1024ULL,
-       [size_unit_arg_t] = 1024ULL * 1024ULL * 1024ULL * 1024ULL,
-};
-
-static const uint64_t count_unit_divisors[] = {
-
-       [count_unit_arg_n] = 1ULL,
-       [count_unit_arg_k] = 1000ULL,
-       [count_unit_arg_m] = 1000ULL * 1000ULL,
-       [count_unit_arg_g] = 1000ULL * 1000ULL * 1000ULL,
-       [count_unit_arg_t] = 1000ULL * 1000ULL * 1000ULL * 1000ULL,
-};
-
-static const char size_unit_abbrevs[] = " BKMGT";
-static const char count_unit_abbrevs[] = "  kmgt";
-static enum enum_size_unit format_size_value(enum enum_size_unit unit,
-               uint64_t value, int print_unit, char *result)
-{
-       enum enum_size_unit u = unit;
-       char unit_buf[2] = "\0\0";
-
-       if (unit == size_unit_arg_h) /* human readable */
-               for (u = size_unit_arg_b; u < size_unit_arg_t &&
-                               value > size_unit_divisors[u + 1]; u++)
-                       ; /* nothing */
-       if (print_unit)
-               unit_buf[0] = size_unit_abbrevs[u];
-       sprintf(result, "%llu%s",
-               (long long unsigned)value / size_unit_divisors[u], unit_buf);
-       return u;
-}
-
-static enum enum_count_unit format_count_value(enum enum_count_unit unit,
-               uint64_t value, int print_unit, char *result)
-{
-       enum enum_count_unit u = unit;
-       char unit_buf[2] = "\0\0";
-
-       if (unit == count_unit_arg_h) /* human readable */
-               for (u = count_unit_arg_n; u < count_unit_arg_t &&
-                               value > count_unit_divisors[u + 1]; u++)
-                       ; /* nothing */
-       if (print_unit)
-               unit_buf[0] = count_unit_abbrevs[u];
-       sprintf(result, "%llu%s",
-               (long long unsigned)value / count_unit_divisors[u], unit_buf);
-       return u;
-}
 
 static FILE *output_file;
 
@@ -228,6 +181,18 @@ static int get_dir_name_of_row(struct osl_row *dir_table_row, char **name)
        return get_dir_name_by_number((uint64_t *)obj.data, name);
 }
 
+static int get_dir_name_of_user_row(struct osl_row *user_table_row,
+               struct user_info *ui, char **dirname)
+{
+       struct osl_object obj;
+       int ret = osl(osl_get_object(ui->table, user_table_row,
+               UT_DIR_NUM, &obj));
+
+       if (ret < 0)
+               return ret;
+       return get_dir_name_by_number((uint64_t *)obj.data, dirname);
+}
+
 static int get_num_files_of_row(struct osl_row *row, uint64_t *num_files)
 {
        struct osl_object obj;
@@ -272,86 +237,6 @@ static int get_num_user_bytes(struct osl_row *row, struct user_info *ui,
        return 1;
 }
 
-
-static int user_stats_loop_function(struct osl_row *row, void *data)
-{
-       struct user_stats_info *usi = data;
-       struct osl_object obj;
-       int ret, summary = usi->flags & USF_COMPUTE_SUMMARY;
-       char formated_value[FORMATED_VALUE_SIZE];
-
-       check_signals();
-       if (!usi->count && !summary) {
-               ret = -E_LOOP_COMPLETE;
-               goto err;
-       }
-       if (summary || (usi->count && (usi->flags & USF_PRINT_FILES))) {
-               uint64_t files;
-               ret = osl(osl_get_object(usi->ui->table, row, UT_FILES, &obj));
-               if (ret < 0)
-                       goto err;
-               files = *(uint64_t *)obj.data;
-               if (usi->count && (usi->flags & USF_PRINT_FILES)) {
-                       format_count_value(select_conf.count_unit_arg, files,
-                               select_conf.count_unit_arg == count_unit_arg_h,
-                               formated_value);
-                       ret = output("\t%s%s", formated_value,
-                               (usi->flags & (USF_PRINT_BYTES | USF_PRINT_DIRNAME))?
-                                       "\t" : "\n");
-                       if (ret < 0)
-                               goto err;
-               }
-               if (summary)
-                       usi->ui->files += files;
-       }
-       if (summary || (usi->count && (usi->flags & USF_PRINT_BYTES))) {
-               uint64_t bytes;
-               ret = osl(osl_get_object(usi->ui->table, row, UT_BYTES, &obj));
-               if (ret < 0)
-                       goto err;
-               bytes = *(uint64_t *)obj.data;
-               if (usi->count && (usi->flags & USF_PRINT_BYTES)) {
-                       format_size_value(select_conf.size_unit_arg, bytes,
-                               select_conf.size_unit_arg == size_unit_arg_h,
-                               formated_value);
-                       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;
-                       usi->ui->dirs++;
-               }
-
-       }
-       if (usi->count && (usi->flags & USF_PRINT_DIRNAME)) {
-               char *dirname;
-               ret = osl(osl_get_object(usi->ui->table, row, UT_DIR_NUM, &obj));
-               if (ret < 0)
-                       goto err;
-               ret = get_dir_name_by_number((uint64_t *)obj.data, &dirname);
-               if (ret < 0)
-                       goto err;
-               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--;
-       return 1;
-err:
-       usi->ret = ret;
-       usi->osl_errno = (ret == -E_OSL)? osl_errno : 0;
-       return -1;
-}
-
 static int check_loop_return(int ret, int loop_ret, int loop_osl_errno)
 {
        if (ret >= 0)
@@ -544,67 +429,75 @@ static int print_user_summary(struct format_info *fi)
        return for_each_admissible_user(print_user_summary_line, fi);
 }
 
-static int print_user_list(struct user_info *ui, __a_unused void *data)
+static int user_list_loop_function(struct osl_row *row, void *data)
 {
+       struct user_list_info *uli = data;
+       union atom_value values[] = {
+               [ula_pw_name] = {.string_value = uli->ui->pw_name?
+                       uli->ui->pw_name : "?"},
+               [ula_uid] = {.num_value = (long long unsigned)uli->ui->uid},
+               [ula_files] = {.num_value = 0ULL},
+               [ula_size] = {.num_value =  0ULL},
+               [ula_dirname] = {.string_value = NULL}
+       };
+       uint64_t num;
        int ret;
-       struct user_stats_info usi;
-       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 = select_conf.limit_arg;
-               usi.ui = ui;
-               usi.flags = USF_PRINT_DIRNAME | USF_PRINT_BYTES | USF_COMPUTE_SUMMARY;
-               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;
-               ret = output("\n");
-               if (ret < 0)
-                       return ret;
-       }
-       if (ula == user_list_arg_file_count || ula == user_list_arg_both) {
-               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);
-                       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;
-               ret = output("\n");
-               if (ret < 0)
-                       return ret;
-       }
-       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,
-                       &usi.ret, &usi.osl_errno);
-               if (ret < 0)
-                       return ret;
-       }
-       return 1;
+       char *dirname, *buf;
+
+       check_signals();
+       ret = -E_LOOP_COMPLETE;
+       if (!uli->count)
+               goto err;
+
+       ret = get_num_user_files(row, uli->ui, &num);
+       if (ret < 0)
+               goto err;
+       values[ula_files].num_value = num;
+
+       ret = get_num_user_bytes(row, uli->ui, &num);
+       if (ret < 0)
+               goto err;
+       values[ula_size].num_value = num;
+
+       ret = get_dir_name_of_user_row(row, uli->ui, &dirname);
+       if (ret < 0)
+               goto err;
+       values[ula_dirname].string_value = dirname;
+
+       buf = format_items(uli->fi, values);
+       free(dirname);
+       ret = output("%s", buf);
+       free(buf);
+       uli->count--;
+       return ret;
+err:
+       uli->ret = ret;
+       uli->osl_errno = (ret == -E_OSL)? osl_errno : 0;
+       return -1;
 }
 
-static int print_user_lists(void)
+static int print_user_list(struct user_info *ui, void *data)
 {
-       return for_each_admissible_user(print_user_list, NULL);
+       struct format_info *fi = data;
+       int ret;
+       enum user_table_columns sort_column = UT_BYTES;
+       struct user_list_info uli = {
+               .ui = ui,
+               .fi = fi,
+               .count = select_conf.limit_arg
+       };
+
+       if (select_conf.list_sort_arg == list_sort_arg_file_count)
+               sort_column = UT_FILES;
+
+       if (!select_conf.no_headers_given) {
+               ret = output("%s (uid %u)\n",
+                       ui->pw_name? ui->pw_name : "?", (unsigned)ui->uid);
+               if (ret < 0)
+                       return ret;
+       }
+       return adu_loop_reverse(ui->table, sort_column, &uli, user_list_loop_function,
+               &uli.ret, &uli.osl_errno);
 }
 
 static int global_list_loop_function(struct osl_row *row, void *data)
@@ -686,7 +579,9 @@ static int print_statistics(struct select_format_info *sli)
                        free_format_info(sli->global_summary_fi);
                        return ret;
                case select_mode_arg_user_list:
-                       ret = print_user_lists();
+                       ret = for_each_admissible_user(print_user_list,
+                               sli->user_list_fi);
+                       free_format_info(sli->user_list_fi);
                        return ret;
                case select_mode_arg_user_summary:
                        ret = print_user_summary(sli->user_summary_fi);
@@ -744,15 +639,6 @@ int run_select_query(struct uid_range *admissible_uids,
        } else
                output_file = stdout;
 
-       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 (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)
                goto out;
@@ -807,7 +693,13 @@ int parse_select_options(char *string, struct select_cmdline_parser_params *para
                global_list_atoms, &sfi->global_list_fi);
        if (ret < 0)
                goto global_list_err;
+       ret = parse_format_string(select_conf.user_list_format_arg,
+               user_list_atoms, &sfi->user_list_fi);
+       if (ret < 0)
+               goto user_list_err;
        return 1;
+user_list_err:
+       free_format_info(sfi->global_list_fi);
 global_list_err:
        free_format_info(sfi->global_summary_fi);
 global_summary_err: