extern/tmate
1
0
Fork 0
mirror of https://github.com/tmate-io/tmate.git synced 2024-12-24 07:38:53 +01:00
Code Issues Packages Projects Releases Wiki Activity

Handle escaped back slashes and missing new lines at end of line by using

Browse Source 
fparseln instead of reimplementing it on our own.

with input by and ok nicm@
This commit is contained in:
tobias 2014-06-25 19:17:27 +00:00
parent 54782af616
commit 1aae53596d
1 changed files with 17 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
cfg.c
View File

@ -23,6 +23,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <util.h>
#include "tmux.h"
@ -36,9 +37,10 @@ int
load_cfg(const char *path, struct cmd_q *cmdq, char **cause)
{
FILE *f;
u_int n, found;
char *buf, *copy, *line, *cause1, *msg;
size_t len, oldlen;
char delim[3] = { '\\', '\\', '\0' };
u_int found;
size_t line = 0;
char *buf, *cause1, *msg, *p;
struct cmd_list *cmdlist;
log_debug("loading %s", path);
@ -47,60 +49,30 @@ load_cfg(const char *path, struct cmd_q *cmdq, char **cause)
return (-1);
}
n = found = 0;
line = NULL;
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;
found = 0;
while ((buf = fparseln(f, NULL, &line, delim, 0))) {
log_debug("%s: %s", path, buf);
/* Skip empty lines. */
buf = copy;
while (isspace((u_char)*buf))
buf++;
if (*buf == '\0') {
free(copy);
p = buf;
while (isspace((u_char) *p))
p++;
if (*p == '\0') {
free(buf);
continue;
}
/* Parse and run the command. */
if (cmd_string_parse(buf, &cmdlist, path, n, &cause1) != 0) {
free(copy);
if (cmd_string_parse(p, &cmdlist, path, line, &cause1) != 0) {
free(buf);
if (cause1 == NULL)
continue;
xasprintf(&msg, "%s:%u: %s", path, n, cause1);
xasprintf(&msg, "%s:%zu: %s", path, line, cause1);
ARRAY_ADD(&cfg_causes, msg);
free(cause1);
continue;
}
free(copy);
free(buf);
if (cmdlist == NULL)
continue;
@ -108,8 +80,6 @@ load_cfg(const char *path, struct cmd_q *cmdq, char **cause)
cmd_list_free(cmdlist);
found++;
}
if (line != NULL)
free(line);
fclose(f);
return (found);