file-roller/file-roller-2.12.2-no-cmdline-overflow.patch

Index: file-roller-2.18.0/src/fr-archive.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-archive.c
+++ file-roller-2.18.0/src/fr-archive.c
@@ -1487,7 +1487,7 @@ move_files_to_dir (FRArchive  *archive,
 		else
 			sprintf (path, "%s/%s", source_dir, e_filename);
 
-		fr_process_add_arg (archive->process, path);
+		fr_process_add_file_arg (archive->process, path);
 
 		g_free (e_filename);
 	}
Index: file-roller-2.18.0/src/fr-command-ar.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-ar.c
+++ file-roller-2.18.0/src/fr-command-ar.c
@@ -225,7 +225,7 @@ fr_command_ar_add (FRCommand     *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next) 
-		fr_process_add_arg (comm->process, (gchar*) scan->data);
+		fr_process_add_file_arg (comm->process, (gchar*) scan->data);
 
 	fr_process_end_command (comm->process);
 }
@@ -243,7 +243,7 @@ fr_command_ar_delete (FRCommand *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -268,7 +268,7 @@ fr_command_ar_extract (FRCommand  *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 
 	fr_process_end_command (comm->process);
 }
Index: file-roller-2.18.0/src/fr-command-arj.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-arj.c
+++ file-roller-2.18.0/src/fr-command-arj.c
@@ -217,7 +217,7 @@ fr_command_arj_add (FRCommand     *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next) 
-		fr_process_add_arg (comm->process, (gchar*) scan->data);
+		fr_process_add_file_arg (comm->process, (gchar*) scan->data);
 
 	fr_process_end_command (comm->process);
 }
@@ -239,7 +239,7 @@ fr_command_arj_delete (FRCommand *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -290,7 +290,7 @@ fr_command_arj_extract (FRCommand  *comm
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 
 	fr_process_end_command (comm->process);
 }
Index: file-roller-2.18.0/src/fr-command-lha.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-lha.c
+++ file-roller-2.18.0/src/fr-command-lha.c
@@ -234,7 +234,7 @@ fr_command_lha_add (FRCommand     *comm,
 		fr_process_add_arg (comm->process, "a");
 	fr_process_add_arg (comm->process, comm->e_filename);
 	for (scan = file_list; scan; scan = scan->next) 
-		fr_process_add_arg (comm->process, (gchar*) scan->data);
+		fr_process_add_file_arg (comm->process, (gchar*) scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -250,7 +250,7 @@ fr_command_lha_delete (FRCommand *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -288,7 +288,7 @@ fr_command_lha_extract (FRCommand  *comm
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 
 	fr_process_end_command (comm->process);
 }
Index: file-roller-2.18.0/src/fr-command-rar.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-rar.c
+++ file-roller-2.18.0/src/fr-command-rar.c
@@ -263,7 +263,7 @@ fr_command_rar_add (FRCommand     *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next) 
-		fr_process_add_arg (comm->process, (gchar*) scan->data);
+		fr_process_add_file_arg (comm->process, (gchar*) scan->data);
 
 	fr_process_end_command (comm->process);
 }
@@ -284,7 +284,7 @@ fr_command_rar_delete (FRCommand *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -329,7 +329,7 @@ fr_command_rar_extract (FRCommand  *comm
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 
 	if (dest_dir != NULL) {
 		char *e_dest_dir = fr_command_escape (comm, dest_dir);
Index: file-roller-2.18.0/src/fr-command-rpm.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-rpm.c
+++ file-roller-2.18.0/src/fr-command-rpm.c
@@ -177,7 +177,7 @@ fr_command_rpm_extract (FRCommand  *comm
 	fr_process_add_arg (comm->process, "| cpio -idu");
 	for (scan = file_list; scan; scan = scan->next) {
 		char *filename = (char*) scan->data;
-		fr_process_add_arg (comm->process, filename);
+		fr_process_add_file_arg (comm->process, filename);
 	}
 	fr_process_end_command (comm->process);
 	fr_process_start (comm->process);
Index: file-roller-2.18.0/src/fr-command-tar.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-tar.c
+++ file-roller-2.18.0/src/fr-command-tar.c
@@ -325,7 +325,7 @@ fr_command_tar_add (FRCommand     *comm,
 	fr_process_add_arg (comm->process, c_tar->uncomp_filename);
 	fr_process_add_arg (comm->process, "--");
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -368,7 +368,7 @@ fr_command_tar_delete (FRCommand *comm,
 
 	fr_process_add_arg (comm->process, "--");
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -413,7 +413,7 @@ fr_command_tar_extract (FRCommand  *comm
 
 	fr_process_add_arg (comm->process, "--");
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 
 	fr_process_end_command (comm->process);
 }
Index: file-roller-2.18.0/src/fr-command-unstuff.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-unstuff.c
+++ file-roller-2.18.0/src/fr-command-unstuff.c
@@ -249,7 +249,7 @@ fr_command_unstuff_extract (FRCommand  *
 	/* FIXME it is not possible to unpack only some files */
 #if 0
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 #endif
 
 	fr_process_end_command (comm->process);
Index: file-roller-2.18.0/src/fr-command-zip.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-zip.c
+++ file-roller-2.18.0/src/fr-command-zip.c
@@ -319,7 +319,7 @@ fr_command_zip_add (FRCommand     *comm,
 
 	for (scan = file_list; scan; scan = scan->next) {
 		char *temp = prepend_path_separator ((char*) scan->data);
-		fr_process_add_arg (comm->process, temp);
+		fr_process_add_file_arg (comm->process, temp);
 		g_free (temp);
 	}
 
@@ -343,7 +343,7 @@ fr_command_zip_delete (FRCommand *comm,
 
 	for (scan = file_list; scan; scan = scan->next) {
 		char *temp = prepend_path_separator_zip_escape ((char*) scan->data);
-		fr_process_add_arg (comm->process, temp);
+		fr_process_add_file_arg (comm->process, temp);
 		g_free (temp);
 	}
 
@@ -392,7 +392,7 @@ fr_command_zip_extract (FRCommand  *comm
 
 	for (scan = file_list; scan; scan = scan->next) {
 		char *temp = prepend_path_separator_zip_escape ((char*) scan->data);
-		fr_process_add_arg (comm->process, temp);
+		fr_process_add_file_arg (comm->process, temp);
 		g_free (temp);
 	}
 
Index: file-roller-2.18.0/src/fr-command-zoo.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-command-zoo.c
+++ file-roller-2.18.0/src/fr-command-zoo.c
@@ -257,7 +257,7 @@ fr_command_zoo_add (FRCommand     *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -275,7 +275,7 @@ fr_command_zoo_delete (FRCommand *comm,
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 	fr_process_end_command (comm->process);
 }
 
@@ -304,7 +304,7 @@ fr_command_zoo_extract (FRCommand  *comm
 		fr_process_set_working_dir (comm->process, dest_dir);
 
 	for (scan = file_list; scan; scan = scan->next)
-		fr_process_add_arg (comm->process, scan->data);
+		fr_process_add_file_arg (comm->process, scan->data);
 
 	fr_process_end_command (comm->process);
 }
Index: file-roller-2.18.0/src/fr-process.c
===================================================================
--- file-roller-2.18.0.orig/src/fr-process.c
+++ file-roller-2.18.0/src/fr-process.c
@@ -43,6 +43,11 @@ enum {
 	LAST_SIGNAL
 };
 
+/* Shell limit minus a bit for fixed arguments */
+#define FILES_LIST_LENGTH_MAX 30000
+
+static const gchar file_list_insertion_point [] = "{}";
+
 static GObjectClass *parent_class;
 static guint fr_process_signals[LAST_SIGNAL] = { 0 };
 
@@ -67,17 +72,37 @@ fr_command_info_new ()
 
 
 static void
+free_if_not_insertion_point (gpointer p)
+{
+	if (p != file_list_insertion_point)
+		g_free (p);
+}
+
+
+static void
 fr_command_info_free (FRCommandInfo * c_info)
 {
 	if (c_info == NULL)
 		return;
 
 	if (c_info->args != NULL) {
-		g_list_foreach (c_info->args, (GFunc) g_free, NULL);
+		g_list_foreach (c_info->args, (GFunc) free_if_not_insertion_point, NULL);
 		g_list_free (c_info->args);
 		c_info->args = NULL;
 	}
 
+	if (c_info->files != NULL) {
+		g_list_foreach (c_info->files, (GFunc) g_free, NULL);
+		g_list_free (c_info->files);
+		c_info->files = NULL;
+	}
+
+	if (c_info->files_next != NULL) {
+		g_list_foreach (c_info->files_next, (GFunc) g_free, NULL);
+		g_list_free (c_info->files_next);
+		c_info->files_next = NULL;
+	}
+
 	if (c_info->dir != NULL) {
 		g_free (c_info->dir);
 		c_info->dir = NULL;
@@ -337,6 +362,25 @@ fr_process_add_arg (FRProcess  *fr_proc,
 
 
 void
+fr_process_add_file_arg (FRProcess  *fr_proc, 
+			 const char *arg)
+{
+	FRCommandInfo *c_info;
+
+	g_return_if_fail (fr_proc != NULL);
+
+	c_info = g_ptr_array_index (fr_proc->comm, fr_proc->current_comm);
+	c_info->files_next = g_list_prepend (c_info->files_next, g_strdup (arg));
+
+	/* Insertion point for file list */
+	if (!c_info->args || !c_info->args->data ||
+	    c_info->args->data != file_list_insertion_point) {
+		c_info->args = g_list_prepend (c_info->args, (gpointer) file_list_insertion_point);
+	}
+}
+
+
+void
 fr_process_set_arg_at (FRProcess  *fr_proc,
 		       int         n_comm,
 		       int         n_arg,
@@ -575,10 +619,34 @@ static void child_setup (gpointer user_d
 }
 
 
+static GList *
+string_list_split_at_strlen (GList *strings, gint max_len)
+{
+	gint   len = 0;
+	GList *l;
+
+	for (l = strings; l; l = l->next) {
+		len += strlen (strings->data) + 1;
+
+		if (len > max_len && l->prev)
+			break;
+	}
+
+	if (l && l->prev) {
+		l->prev->next = NULL;
+		l->prev = NULL;
+		return l;
+	}
+
+	return NULL;
+}
+
+
 static void
 start_current_command (FRProcess *fr_proc)
 {
 	FRCommandInfo  *c_info;
+	gboolean        ran_before = FALSE;
 	GList          *arg_list, *scan;
 	GString        *command;
 	char           *dir;
@@ -592,6 +660,17 @@ start_current_command (FRProcess *fr_pro
 	arg_list = c_info->args;
 	dir = c_info->dir;
 
+       /* If command line would be too long, split up command */
+
+       if (c_info->files != NULL) {
+               g_list_foreach (c_info->files, (GFunc) g_free, NULL);
+               g_list_free (c_info->files);
+               ran_before = TRUE;
+       }
+
+       c_info->files = c_info->files_next;
+       c_info->files_next = string_list_split_at_strlen (c_info->files, FILES_LIST_LENGTH_MAX);
+
 	if (dir != NULL)
 		debug (DEBUG_INFO, "cd %s\n", dir);
 
@@ -603,8 +682,19 @@ start_current_command (FRProcess *fr_pro
 
 	command = g_string_new ("");
 	for (scan = arg_list; scan; scan = scan->next) {
-		if (scan->data != NULL)
-			g_string_append (command, scan->data);
+		if (scan->data != NULL) {
+			if (scan->data == file_list_insertion_point) {
+				GList *subscan;
+				
+				for (subscan = c_info->files; subscan; subscan = subscan->next) {
+					g_string_append (command, subscan->data);
+					if (subscan->next != NULL)
+						g_string_append_c (command, ' ');
+				}
+			} else {
+				g_string_append (command, scan->data);
+			}
+		}
 		if (scan->next != NULL)
 			g_string_append_c (command, ' ');
 	}
@@ -623,7 +713,7 @@ start_current_command (FRProcess *fr_pro
 	}
 #endif
 
-	if (c_info->begin_func != NULL)
+	if (c_info->begin_func != NULL && !ran_before)
 		(*c_info->begin_func) (c_info->begin_data);
 
 	if (! g_spawn_async_with_pipes (dir,
@@ -756,6 +846,14 @@ check_child (gpointer data)
 	fr_proc->output_fd = 0;
 	fr_proc->error_fd = 0;
 
+	/* If we have more file names to process, re-run the command with
+	 * the next batch */
+
+	if (fr_proc->error.type == FR_PROC_ERROR_NONE && c_info->files_next) {
+		start_current_command (fr_proc);
+		return FALSE;
+	}
+
 	/**/
 
 	if (c_info->end_func != NULL)
Index: file-roller-2.18.0/src/fr-process.h
===================================================================
--- file-roller-2.18.0.orig/src/fr-process.h
+++ file-roller-2.18.0/src/fr-process.h
@@ -47,7 +47,9 @@ typedef gboolean (*ContinueFunc) (gpoint
 
 
 typedef struct {
-	GList *args;              /* command to execute */
+	GList *args;              /* command to execute; same for each invocation */
+	GList *files;             /* list of filenames to process */
+	GList *files_next;        /* next batch of filenames to process */
 	char  *dir;               /* working directory */
 	guint  sticky : 1;        /* whether the command must be executed even
 				   * if a previous command has failed. */
@@ -144,6 +146,9 @@ void        fr_process_set_arg_at       
 					     int           n_comm,
 					     int           n_arg,
 					     const char   *arg);
+void        fr_process_add_file_arg         (FRProcess    *fr_proc,
+                                             const char   *arg);
+
 void        fr_process_set_begin_func       (FRProcess    *fr_proc, 
 					     ProcFunc      func,
 					     gpointer      func_data);
Index: file-roller-2.18.0/src/window.c
===================================================================
--- file-roller-2.18.0.orig/src/window.c
+++ file-roller-2.18.0/src/window.c
@@ -6106,7 +6106,7 @@ window_open_files__extract_done_cb (FRAr
 		fr_process_begin_command (proc, cdata->command);
 		for (scan = cdata->file_list; scan; scan = scan->next) {
 			char *filename = shell_escape (scan->data);
-			fr_process_add_arg (proc, filename);
+			fr_process_add_file_arg (proc, filename);
 			g_free (filename);
 		}
 		fr_process_end_command (proc);