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add_pathsep(): Return false if filename is too long.

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References #3042
This commit is contained in:
cztchoice
2015-10-17 12:18:26 +08:00
committed by Justin M. Keyes
parent 6e75bb5cbb
commit 7c7c5a80a4
2 changed files with 25 additions and 18 deletions
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26
src/nvim/ex_cmds.c
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@@ -4812,9 +4812,13 @@ void fix_help_buffer(void)
vimconv_T vc;
char_u *cp;
/* Find all "doc/ *.txt" files in this directory. */
add_pathsep((char *)NameBuff);
STRCAT(NameBuff, "doc/*.??[tx]");
// Find all "doc/ *.txt" files in this directory.
if (!add_pathsep((char *)NameBuff)
|| STRLCAT(NameBuff, "doc/*.??[tx]",
sizeof(NameBuff)) >= MAXPATHL) {
EMSG(_(e_pathtoolong));
continue;
}
// Note: We cannot just do `&NameBuff` because it is a statically sized array
// so `NameBuff == &NameBuff` according to C semantics.
@@ -4995,13 +4999,13 @@ static void helptags_one(char_u *dir, char_u *ext, char_u *tagfname,
return;
}
/*
* Open the tags file for writing.
* Do this before scanning through all the files.
*/
//
// Open the tags file for writing.
// Do this before scanning through all the files.
//
memcpy(NameBuff, dir, dirlen + 1);
add_pathsep((char *)NameBuff);
if (STRLCAT(NameBuff, tagfname, sizeof(NameBuff)) >= MAXPATHL) {
if (!add_pathsep((char *)NameBuff)
|| STRLCAT(NameBuff, tagfname, sizeof(NameBuff)) >= MAXPATHL) {
EMSG(_(e_pathtoolong));
return;
}
@@ -5178,8 +5182,8 @@ static void do_helptags(char_u *dirname, bool add_help_tags)
// Get a list of all files in the help directory and in subdirectories.
STRLCPY(NameBuff, dirname, sizeof(NameBuff));
add_pathsep((char *)NameBuff);
if (STRLCAT(NameBuff, "**", MAXPATHL) >= MAXPATHL) {
if (!add_pathsep((char *)NameBuff)
|| STRLCAT(NameBuff, "**", sizeof(NameBuff)) >= MAXPATHL) {
EMSG(_(e_pathtoolong));
xfree(dirname);
return;