void
start_cfg(void)
{
char *cause = NULL;
const char *home;
cfg_cmd_q = cmdq_new(NULL);
cfg_cmd_q->emptyfn = cfg_default_done;
cfg_finished = 0;
cfg_references = 1;
cfg_client = TAILQ_FIRST(&clients);
if (cfg_client != NULL)
cfg_client->references++;
if (access(TMUX_CONF, R_OK) == 0) {
if (load_cfg(TMUX_CONF, cfg_cmd_q, &cause) == -1)
cfg_add_cause("%s: %s", TMUX_CONF, cause);
} else if (errno != ENOENT)
cfg_add_cause("%s: %s", TMUX_CONF, strerror(errno));
if (cfg_file == NULL && (home = find_home()) != NULL) {
xasprintf(&cfg_file, "%s/.tmux.conf", home);
if (access(cfg_file, R_OK) != 0 && errno == ENOENT) {
free(cfg_file);
cfg_file = NULL;
}
}
if (cfg_file != NULL && load_cfg(cfg_file, cfg_cmd_q, &cause) == -1)
cfg_add_cause("%s: %s", cfg_file, cause);
free(cause);
cmdq_continue(cfg_cmd_q);
}
int
load_cfg(const char *path, struct cmd_q *cmdq, int quiet)
{
FILE *f;
char delim[3] = { '\\', '\\', '\0' };
u_int found;
size_t line = 0;
char *buf, *cause1, *p;
struct cmd_list *cmdlist;
log_debug("loading %s", path);
if ((f = fopen(path, "rb")) == NULL) {
if (errno == ENOENT && quiet)
return (0);
cfg_add_cause("%s: %s", path, strerror(errno));
return (-1);
}
found = 0;
while ((buf = fparseln(f, NULL, &line, delim, 0)) != NULL) {
log_debug("%s: %s", path, buf);
/* Skip empty lines. */
p = buf;
while (isspace((u_char) *p))
p++;
if (*p == '\0') {
free(buf);
continue;
}
/* Parse and run the command. */
if (cmd_string_parse(p, &cmdlist, path, line, &cause1) != 0) {
free(buf);
if (cause1 == NULL)
continue;
cfg_add_cause("%s:%zu: %s", path, line, cause1);
free(cause1);
continue;
}
free(buf);
if (cmdlist == NULL)
continue;
cmdq_append(cmdq, cmdlist, NULL);
cmd_list_free(cmdlist);
found++;
}
fclose(f);
return (found);
}
/*
* Load configuration file. Returns -1 for an error with a list of messages in
* causes. Note that causes must be initialised by the caller!
*/
int
load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
{
FILE *f;
u_int n;
char *buf, *line, *cause;
size_t len;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
int retval;
if ((f = fopen(path, "rb")) == NULL) {
cfg_add_cause(causes, "%s: %s", path, strerror(errno));
return (-1);
}
n = 0;
line = NULL;
retval = 0;
while ((buf = fgetln(f, &len))) {
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
else {
line = xrealloc(line, 1, len + 1);
memcpy(line, buf, len);
line[len] = '\0';
buf = line;
}
n++;
if (cmd_string_parse(buf, &cmdlist, &cause) != 0) {
if (cause == NULL)
continue;
cfg_add_cause(causes, "%s: %u: %s", path, n, cause);
xfree(cause);
continue;
}
if (cmdlist == NULL)
continue;
cfg_cause = NULL;
if (ctxin == NULL) {
ctx.msgdata = NULL;
ctx.curclient = NULL;
ctx.cmdclient = NULL;
} else {
ctx.msgdata = ctxin->msgdata;
ctx.curclient = ctxin->curclient;
ctx.cmdclient = ctxin->cmdclient;
}
ctx.error = cfg_error;
ctx.print = cfg_print;
ctx.info = cfg_print;
cfg_cause = NULL;
if (cmd_list_exec(cmdlist, &ctx) == 1)
retval = 1;
cmd_list_free(cmdlist);
if (cfg_cause != NULL) {
cfg_add_cause(causes, "%s: %d: %s", path, n, cfg_cause);
xfree(cfg_cause);
}
}
if (line != NULL)
xfree(line);
fclose(f);
return (retval);
}
/*
* Load configuration file. Returns -1 for an error with a list of messages in
* causes. Note that causes must be initialised by the caller!
*/
enum cmd_retval
load_cfg(const char *path, struct cmd_ctx *ctx, struct causelist *causes)
{
FILE *f;
u_int n;
char *buf, *copy, *line, *cause;
size_t len, oldlen;
struct cmd_list *cmdlist;
enum cmd_retval retval;
if ((f = fopen(path, "rb")) == NULL) {
cfg_add_cause(causes, "%s: %s", path, strerror(errno));
return (CMD_RETURN_ERROR);
}
cfg_references++;
if (ctx != NULL)
cmd_ref_ctx(ctx);
else {
ctx = cmd_get_ctx();
ctx->error = cfg_error;
ctx->print = cfg_print;
ctx->info = cfg_print;
}
n = 0;
line = NULL;
retval = CMD_RETURN_NORMAL;
while ((buf = fgetln(f, &len))) {
/* Trim \n. */
if (buf[len - 1] == '\n')
len--;
log_debug("%s: %.*s", path, (int)len, buf);
/* Current line is the continuation of the previous one. */
if (line != NULL) {
oldlen = strlen(line);
line = xrealloc(line, 1, oldlen + len + 1);
} else {
oldlen = 0;
line = xmalloc(len + 1);
}
/* Append current line to the previous. */
memcpy(line + oldlen, buf, len);
line[oldlen + len] = '\0';
n++;
/* Continuation: get next line? */
len = strlen(line);
if (len > 0 && line[len - 1] == '\\') {
line[len - 1] = '\0';
/* Ignore escaped backslash at EOL. */
if (len > 1 && line[len - 2] != '\\')
continue;
}
copy = line;
line = NULL;
/* Skip empty lines. */
buf = copy;
while (isspace((u_char)*buf))
buf++;
if (*buf == '\0') {
free(copy);
continue;
}
if (cmd_string_parse(buf, &cmdlist, &cause) != 0) {
free(copy);
if (cause == NULL)
continue;
cfg_add_cause(causes, "%s: %u: %s", path, n, cause);
free(cause);
continue;
}
free(copy);
if (cmdlist == NULL)
continue;
cfg_cause = NULL;
switch (cmd_list_exec(cmdlist, ctx)) {
case CMD_RETURN_YIELD:
if (retval != CMD_RETURN_ATTACH)
retval = CMD_RETURN_YIELD;
break;
case CMD_RETURN_ATTACH:
retval = CMD_RETURN_ATTACH;
break;
case CMD_RETURN_ERROR:
case CMD_RETURN_NORMAL:
break;
}
cmd_list_free(cmdlist);
if (cfg_cause != NULL) {
cfg_add_cause(causes, "%s: %d: %s", path, n, cfg_cause);
free(cfg_cause);
}
}
if (line != NULL) {
cfg_add_cause(causes,
"%s: %d: line continuation at end of file", path, n);
free(line);
}
fclose(f);
cmd_free_ctx(ctx);
cfg_references--;
return (retval);
}
/*
* Load configuration file. Returns -1 for an error with a list of messages in
* causes. Note that causes must be initialised by the caller!
*/
int
load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
{
FILE *f;
u_int n;
char *buf, *line, *cause;
size_t len;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
int retval;
if ((f = fopen(path, "rb")) == NULL) {
cfg_add_cause(causes, "%s: %s", path, strerror(errno));
return (-1);
}
n = 0;
line = NULL;
retval = 0;
while ((buf = fgetln(f, &len))) {
if (buf[len - 1] == '\n')
len--;
if (line != NULL)
line = xrealloc(line, 1, strlen(line) + len + 1);
else {
line = xmalloc(len + 1);
*line = '\0';
}
/* Append buffer to line. strncat will terminate. */
strncat(line, buf, len);
n++;
/* Continuation: get next line? */
len = strlen(line);
if (len > 0 && line[len - 1] == '\\') {
line[len - 1] = '\0';
/* Ignore escaped backslash at EOL. */
if (len > 1 && line[len - 2] != '\\')
continue;
}
buf = line;
line = NULL;
if (cmd_string_parse(buf, &cmdlist, &cause) != 0) {
xfree(buf);
if (cause == NULL)
continue;
cfg_add_cause(causes, "%s: %u: %s", path, n, cause);
xfree(cause);
continue;
} else
xfree(buf);
if (cmdlist == NULL)
continue;
cfg_cause = NULL;
if (ctxin == NULL) {
ctx.msgdata = NULL;
ctx.curclient = NULL;
ctx.cmdclient = NULL;
} else {
ctx.msgdata = ctxin->msgdata;
ctx.curclient = ctxin->curclient;
ctx.cmdclient = ctxin->cmdclient;
}
ctx.error = cfg_error;
ctx.print = cfg_print;
ctx.info = cfg_print;
cfg_cause = NULL;
if (cmd_list_exec(cmdlist, &ctx) == 1)
retval = 1;
cmd_list_free(cmdlist);
if (cfg_cause != NULL) {
cfg_add_cause(
causes, "%s: %d: %s", path, n, cfg_cause);
xfree(cfg_cause);
}
}
if (line != NULL) {
cfg_add_cause(causes,
"%s: %d: line continuation at end of file", path, n);
xfree(line);
}
fclose(f);
return (retval);
}
