New commands, 'G' and 'H'

diff --git a/editors/sed.c b/editors/sed.c
index bda3592..6beba06 100644 (file)
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -483,7 +483,7 @@ static char *parse_cmd_str(sed_cmd_t * sed_cmd, char *cmdstr)
        /* if it wasnt a single-letter command that takes no arguments
         * then it must be an invalid command.
         */
-       else if (strchr("dghnNpPqx={}", sed_cmd->cmd) == 0) {
+       else if (strchr("dgGhHnNpPqx={}", sed_cmd->cmd) == 0) {
                bb_error_msg_and_die("Unsupported command %c", sed_cmd->cmd);
        }
 
@@ -1034,10 +1034,30 @@ static void process_file(FILE * file)
                                        free(pattern_space);
                                        pattern_space = strdup(hold_space);
                                        break;
+                               case 'G': {     /* Append newline and hold space to pattern space */
+                                       int pattern_space_size = 0;
+                                       if (pattern_space) {
+                                               pattern_space_size = strlen(pattern_space);
+                                       }
+                                       pattern_space = xrealloc(pattern_space, pattern_space_size + strlen(hold_space) + 2);
+                                       strcat(pattern_space, "\n");
+                                       strcat(pattern_space, hold_space); 
+                                       break;
+                               }
                                case 'h':       /* Replace hold space with pattern space */
                                        free(hold_space);
                                        hold_space = strdup(pattern_space);
                                        break;
+                               case 'H': {     /* Append newline and pattern space to hold space */
+                                       int hold_space_size = 0;
+                                       if (hold_space) {
+                                               hold_space_size = strlen(hold_space);
+                                       }
+                                       hold_space = xrealloc(hold_space, hold_space_size + strlen(pattern_space) + 2);
+                                       strcat(hold_space, "\n");
+                                       strcat(hold_space, pattern_space); 
+                                       break;
+                               }
                                case 'x':{
                                        /* Swap hold and pattern space */
                                        char *tmp = pattern_space;