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-rw-r--r--src/nvim/path.c96
1 files changed, 74 insertions, 22 deletions
diff --git a/src/nvim/path.c b/src/nvim/path.c
index 19c820e4dd..75624778e3 100644
--- a/src/nvim/path.c
+++ b/src/nvim/path.c
@@ -18,7 +18,6 @@
#include "nvim/memline.h"
#include "nvim/memory.h"
#include "nvim/message.h"
-#include "nvim/misc1.h"
#include "nvim/option.h"
#include "nvim/os/input.h"
#include "nvim/os/os.h"
@@ -270,16 +269,17 @@ int vim_ispathlistsep(int c)
#endif
}
-/*
- * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
- * It's done in-place.
- */
-char_u *shorten_dir(char_u *str)
+/// Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
+/// "trim_len" specifies how many characters to keep for each directory.
+/// Must be 1 or more.
+/// It's done in-place.
+void shorten_dir_len(char_u *str, int trim_len)
{
char_u *tail = path_tail(str);
char_u *d = str;
bool skip = false;
- for (char_u *s = str;; ++s) {
+ int dirchunk_len = 0;
+ for (char_u *s = str;; s++) {
if (s >= tail) { // copy the whole tail
*d++ = *s;
if (*s == NUL) {
@@ -288,10 +288,16 @@ char_u *shorten_dir(char_u *str)
} else if (vim_ispathsep(*s)) { // copy '/' and next char
*d++ = *s;
skip = false;
+ dirchunk_len = 0;
} else if (!skip) {
*d++ = *s; // copy next char
if (*s != '~' && *s != '.') { // and leading "~" and "."
- skip = true;
+ dirchunk_len++; // only count word chars for the size
+ // keep copying chars until we have our preferred length (or
+ // until the above if/else branches move us along)
+ if (dirchunk_len >= trim_len) {
+ skip = true;
+ }
}
int l = utfc_ptr2len(s);
while (--l > 0) {
@@ -299,7 +305,13 @@ char_u *shorten_dir(char_u *str)
}
}
}
- return str;
+}
+
+/// Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
+/// It's done in-place.
+void shorten_dir(char_u *str)
+{
+ shorten_dir_len(str, 1);
}
/*
@@ -630,8 +642,7 @@ static size_t do_path_expand(garray_T *gap, const char_u *path, size_t wildoff,
} else if (path_end >= path + wildoff
&& (vim_strchr((char_u *)"*?[{~$", *path_end) != NULL
#ifndef WIN32
- || (!p_fic && (flags & EW_ICASE)
- && isalpha(utf_ptr2char(path_end)))
+ || (!p_fic && (flags & EW_ICASE) && mb_isalpha(utf_ptr2char(path_end)))
#endif
)) {
e = p;
@@ -1337,6 +1348,17 @@ int gen_expand_wildcards(int num_pat, char_u **pat, int *num_file, char_u ***fil
return ((flags & EW_EMPTYOK) || ga.ga_data != NULL) ? OK : FAIL;
}
+/// Free the list of files returned by expand_wildcards() or other expansion functions.
+void FreeWild(int count, char_u **files)
+{
+ if (count <= 0 || files == NULL) {
+ return;
+ }
+ while (count--) {
+ xfree(files[count]);
+ }
+ xfree(files);
+}
/*
* Return TRUE if we can expand this backtick thing here.
@@ -1498,7 +1520,7 @@ void simplify_filename(char_u *filename)
p = filename;
#ifdef BACKSLASH_IN_FILENAME
- if (p[1] == ':') { // skip "x:"
+ if (p[0] != NUL && p[1] == ':') { // skip "x:"
p += 2;
}
#endif
@@ -1672,6 +1694,10 @@ char_u *find_file_name_in_path(char_u *ptr, size_t len, int options, long count,
char_u *file_name;
char_u *tofree = NULL;
+ if (len == 0) {
+ return NULL;
+ }
+
if ((options & FNAME_INCL) && *curbuf->b_p_inex != NUL) {
tofree = (char_u *)eval_includeexpr((char *)ptr, len);
if (tofree != NULL) {
@@ -1733,14 +1759,32 @@ int path_is_url(const char *p)
return 0;
}
-/// Check if "fname" starts with "name://". Return URL_SLASH if it does.
+/// Check if "fname" starts with "name://" or "name:\\".
///
/// @param fname is the filename to test
-/// @return URL_BACKSLASH for "name:\\", zero otherwise.
+/// @return URL_SLASH for "name://", URL_BACKSLASH for "name:\\", zero otherwise.
int path_with_url(const char *fname)
{
const char *p;
- for (p = fname; isalpha(*p); p++) {}
+
+ // We accept alphabetic characters and a dash in scheme part.
+ // RFC 3986 allows for more, but it increases the risk of matching
+ // non-URL text.
+
+ // first character must be alpha
+ if (!isalpha(*fname)) {
+ return 0;
+ }
+
+ // check body: alpha or dash
+ for (p = fname + 1; (isalpha(*p) || (*p == '-')); p++) {}
+
+ // check last char is not a dash
+ if (p[-1] == '-') {
+ return 0;
+ }
+
+ // "://" or ":\\" must follow
return path_is_url(p);
}
@@ -2245,11 +2289,17 @@ int path_full_dir_name(char *directory, char *buffer, size_t len)
}
if (os_chdir(directory) != SUCCESS) {
- // Do not return immediately since we may be in the wrong directory.
- retval = FAIL;
- }
-
- if (retval == FAIL || os_dirname((char_u *)buffer, len) == FAIL) {
+ // Path does not exist (yet). For a full path fail,
+ // will use the path as-is. For a relative path use
+ // the current directory and append the file name.
+ if (path_is_absolute((const char_u *)directory)) {
+ // Do not return immediately since we may be in the wrong directory.
+ retval = FAIL;
+ } else {
+ xstrlcpy(buffer, old_dir, len);
+ append_path(buffer, directory, len);
+ }
+ } else if (os_dirname((char_u *)buffer, len) == FAIL) {
// Do not return immediately since we are in the wrong directory.
retval = FAIL;
}
@@ -2351,9 +2401,11 @@ static int path_to_absolute(const char_u *fname, char_u *buf, size_t len, int fo
int path_is_absolute(const char_u *fname)
{
#ifdef WIN32
+ if (*fname == NUL) {
+ return false;
+ }
// A name like "d:/foo" and "//server/share" is absolute
- return ((isalpha(fname[0]) && fname[1] == ':'
- && vim_ispathsep_nocolon(fname[2]))
+ return ((isalpha(fname[0]) && fname[1] == ':' && vim_ispathsep_nocolon(fname[2]))
|| (vim_ispathsep_nocolon(fname[0]) && fname[0] == fname[1]));
#else
// UNIX: This just checks if the file name starts with '/' or '~'.