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Support \ for line continuation in the configuration file, from Julius

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Plenz.
This commit is contained in:
Nicholas Marriott
2011-08-24 10:46:01 +00:00
parent f01b7191a3
commit 0588168a64
2 changed files with 32 additions and 9 deletions
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35
cfg.c
View File

@@ -92,22 +92,37 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
retval = 0; retval = 0;
while ((buf = fgetln(f, &len))) { while ((buf = fgetln(f, &len))) {
if (buf[len - 1] == '\n') if (buf[len - 1] == '\n')
buf[len - 1] = '\0'; len--;
if (line != NULL)
line = xrealloc(line, 1, strlen(line) + len + 1);
else { else {
line = xrealloc(line, 1, len + 1); line = xmalloc(len + 1);
memcpy(line, buf, len); *line = '\0';
line[len] = '\0';
buf = line;
} }
/* Append buffer to line. strncat will terminate. */
strncat(line, buf, len);
n++; n++;
/* Continuation: get next line? */
len = strlen(line);
if (len > 0 && line[len - 1] == '\\') {
line[len - 1] = '\0';
continue;
}
buf = line;
line = NULL;
if (cmd_string_parse(buf, &cmdlist, &cause) != 0) { if (cmd_string_parse(buf, &cmdlist, &cause) != 0) {
xfree(buf);
if (cause == NULL) if (cause == NULL)
continue; continue;
cfg_add_cause(causes, "%s: %u: %s", path, n, cause); cfg_add_cause(causes, "%s: %u: %s", path, n, cause);
xfree(cause); xfree(cause);
continue; continue;
} } else
xfree(buf);
if (cmdlist == NULL) if (cmdlist == NULL)
continue; continue;
cfg_cause = NULL; cfg_cause = NULL;
@@ -131,12 +146,16 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
retval = 1; retval = 1;
cmd_list_free(cmdlist); cmd_list_free(cmdlist);
if (cfg_cause != NULL) { if (cfg_cause != NULL) {
cfg_add_cause(causes, "%s: %d: %s", path, n, cfg_cause); cfg_add_cause(
causes, "%s: %d: %s", path, n, cfg_cause);
xfree(cfg_cause); xfree(cfg_cause);
} }
} }
if (line != NULL) if (line != NULL) {
cfg_add_cause(causes,
"%s: %d: line continuation at end of file", path, n);
xfree(line); xfree(line);
}
fclose(f); fclose(f);
return (retval); return (retval);

6
tmux.1
View File

@@ -491,7 +491,8 @@ $ tmux bind-key F1 set-window-option force-width 81
Multiple commands may be specified together as part of a Multiple commands may be specified together as part of a
.Em command sequence . .Em command sequence .
Each command should be separated by spaces and a semicolon; Each command should be separated by spaces and a semicolon;
commands are executed sequentially from left to right. commands are executed sequentially from left to right and
lines ending with a backslash continue on to the next line.
A literal semicolon may be included by escaping it with a backslash (for A literal semicolon may be included by escaping it with a backslash (for
example, when specifying a command sequence to example, when specifying a command sequence to
.Ic bind-key ) . .Ic bind-key ) .
@@ -507,6 +508,9 @@ rename-session -tfirst newname
set-window-option -t:0 monitor-activity on set-window-option -t:0 monitor-activity on
new-window ; split-window -d new-window ; split-window -d
bind-key R source-file ~/.tmux.conf \e; \e
display-message "source-file done"
.Ed .Ed
.Pp .Pp
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