diff options
Diffstat (limited to 'cmd-list.c')
| -rw-r--r-- | cmd-list.c | 20 |
1 files changed, 12 insertions, 8 deletions
@@ -32,7 +32,8 @@ cmd_list_parse(int argc, char **argv, char **cause) char **new_argv; cmdlist = xmalloc(sizeof *cmdlist); - TAILQ_INIT(cmdlist); + cmdlist->references = 1; + TAILQ_INIT(&cmdlist->list); lastsplit = 0; for (i = 0; i < argc; i++) { @@ -54,7 +55,7 @@ cmd_list_parse(int argc, char **argv, char **cause) cmd = cmd_parse(new_argc, new_argv, cause); if (cmd == NULL) goto bad; - TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); + TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry); lastsplit = i + 1; } @@ -63,7 +64,7 @@ cmd_list_parse(int argc, char **argv, char **cause) cmd = cmd_parse(argc - lastsplit, argv + lastsplit, cause); if (cmd == NULL) goto bad; - TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); + TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry); } return (cmdlist); @@ -80,7 +81,7 @@ cmd_list_exec(struct cmd_list *cmdlist, struct cmd_ctx *ctx) int n, retval; retval = 0; - TAILQ_FOREACH(cmd, cmdlist, qentry) { + TAILQ_FOREACH(cmd, &cmdlist->list, qentry) { if ((n = cmd_exec(cmd, ctx)) == -1) return (-1); @@ -114,9 +115,12 @@ cmd_list_free(struct cmd_list *cmdlist) { struct cmd *cmd; - while (!TAILQ_EMPTY(cmdlist)) { - cmd = TAILQ_FIRST(cmdlist); - TAILQ_REMOVE(cmdlist, cmd, qentry); + if (--cmdlist->references != 0) + return; + + while (!TAILQ_EMPTY(&cmdlist->list)) { + cmd = TAILQ_FIRST(&cmdlist->list); + TAILQ_REMOVE(&cmdlist->list, cmd, qentry); cmd_free(cmd); } xfree(cmdlist); @@ -129,7 +133,7 @@ cmd_list_print(struct cmd_list *cmdlist, char *buf, size_t len) size_t off; off = 0; - TAILQ_FOREACH(cmd, cmdlist, qentry) { + TAILQ_FOREACH(cmd, &cmdlist->list, qentry) { if (off >= len) break; off += cmd_print(cmd, buf + off, len - off); |