#include <linux/fs.h>
/* When we include libgen.h because we need dirname() we immediately
- * undefine basename() since libgen.h defines it as a macro to the XDG
- * version which is really broken. */
+ * undefine basename() since libgen.h defines it as a macro to the POSIX
+ * version which is really broken. We prefer GNU basename(). */
#include <libgen.h>
#undef basename
return (char*) s + sl - pl;
}
+char* endswith_no_case(const char *s, const char *postfix) {
+ size_t sl, pl;
+
+ assert(s);
+ assert(postfix);
+
+ sl = strlen(s);
+ pl = strlen(postfix);
+
+ if (pl == 0)
+ return (char*) s + sl;
+
+ if (sl < pl)
+ return NULL;
+
+ if (strcasecmp(s + sl - pl, postfix) != 0)
+ return NULL;
+
+ return (char*) s + sl - pl;
+}
+
char* first_word(const char *s, const char *word) {
size_t sl, wl;
const char *p;
int a, b, c;
uint32_t m;
- if (length != (size_t) -1 && length < 4)
+ if (length != (size_t) -1 && length < 3)
return -EINVAL;
a = unoctchar(p[0]);
assert(_f);
assert(_temp_path);
- r = tempfn_xxxxxx(path, &t);
+ r = tempfn_xxxxxx(path, NULL, &t);
if (r < 0)
return r;
assert(from);
assert(to);
- r = tempfn_random(to, &t);
+ r = tempfn_random(to, NULL, &t);
if (r < 0)
return r;
assert(path);
- r = tempfn_random(path, &t);
+ r = tempfn_random(path, NULL, &t);
if (r < 0)
return r;
assert(path);
- r = tempfn_random(path, &t);
+ r = tempfn_random(path, NULL, &t);
if (r < 0)
return r;
while ((x = set_steal_first(todo))) {
r = set_consume(done, x);
- if (r == -EEXIST)
+ if (r == -EEXIST || r == 0)
continue;
if (r < 0)
return r;
return 0;
}
-int tempfn_xxxxxx(const char *p, char **ret) {
+int tempfn_xxxxxx(const char *p, const char *extra, char **ret) {
const char *fn;
char *t;
* /foo/bar/waldo
*
* Into this:
- * /foo/bar/.#waldoXXXXXX
+ * /foo/bar/.#<extra>waldoXXXXXX
*/
fn = basename(p);
if (!filename_is_valid(fn))
return -EINVAL;
- t = new(char, strlen(p) + 2 + 6 + 1);
+ if (extra == NULL)
+ extra = "";
+
+ t = new(char, strlen(p) + 2 + strlen(extra) + 6 + 1);
if (!t)
return -ENOMEM;
- strcpy(stpcpy(stpcpy(mempcpy(t, p, fn - p), ".#"), fn), "XXXXXX");
+ strcpy(stpcpy(stpcpy(stpcpy(mempcpy(t, p, fn - p), ".#"), extra), fn), "XXXXXX");
*ret = path_kill_slashes(t);
return 0;
}
-int tempfn_random(const char *p, char **ret) {
+int tempfn_random(const char *p, const char *extra, char **ret) {
const char *fn;
char *t, *x;
uint64_t u;
* /foo/bar/waldo
*
* Into this:
- * /foo/bar/.#waldobaa2a261115984a9
+ * /foo/bar/.#<extra>waldobaa2a261115984a9
*/
fn = basename(p);
if (!filename_is_valid(fn))
return -EINVAL;
- t = new(char, strlen(p) + 2 + 16 + 1);
+ if (!extra)
+ extra = "";
+
+ t = new(char, strlen(p) + 2 + strlen(extra) + 16 + 1);
if (!t)
return -ENOMEM;
- x = stpcpy(stpcpy(mempcpy(t, p, fn - p), ".#"), fn);
+ x = stpcpy(stpcpy(stpcpy(mempcpy(t, p, fn - p), ".#"), extra), fn);
u = random_u64();
for (i = 0; i < 16; i++) {
return 0;
}
-int tempfn_random_child(const char *p, char **ret) {
+int tempfn_random_child(const char *p, const char *extra, char **ret) {
char *t, *x;
uint64_t u;
unsigned i;
/* Turns this:
* /foo/bar/waldo
* Into this:
- * /foo/bar/waldo/.#3c2b6219aa75d7d0
+ * /foo/bar/waldo/.#<extra>3c2b6219aa75d7d0
*/
- t = new(char, strlen(p) + 3 + 16 + 1);
+ if (!extra)
+ extra = "";
+
+ t = new(char, strlen(p) + 3 + strlen(extra) + 16 + 1);
if (!t)
return -ENOMEM;
- x = stpcpy(stpcpy(t, p), "/.#");
+ x = stpcpy(stpcpy(stpcpy(t, p), "/.#"), extra);
u = random_u64();
for (i = 0; i < 16; i++) {
break;
- case VALUE_ESCAPE:
- if (c == 0) {
- if (flags & UNQUOTE_RELAX)
- goto finish;
- return -EINVAL;
- }
-
- if (!GREEDY_REALLOC(s, allocated, sz+7))
- return -ENOMEM;
-
- if (flags & UNQUOTE_CUNESCAPE) {
- uint32_t u;
-
- r = cunescape_one(*p, (size_t) -1, &c, &u);
- if (r < 0)
- return -EINVAL;
-
- (*p) += r - 1;
-
- if (c != 0)
- s[sz++] = c; /* normal explicit char */
- else
- sz += utf8_encode_unichar(s + sz, u); /* unicode chars we'll encode as utf8 */
- } else
- s[sz++] = c;
-
- state = VALUE;
- break;
-
case SINGLE_QUOTE:
if (c == 0) {
if (flags & UNQUOTE_RELAX)
break;
- case SINGLE_QUOTE_ESCAPE:
- if (c == 0) {
- if (flags & UNQUOTE_RELAX)
- goto finish;
- return -EINVAL;
- }
-
- if (!GREEDY_REALLOC(s, allocated, sz+7))
- return -ENOMEM;
-
- if (flags & UNQUOTE_CUNESCAPE) {
- uint32_t u;
-
- r = cunescape_one(*p, (size_t) -1, &c, &u);
- if (r < 0)
- return -EINVAL;
-
- (*p) += r - 1;
-
- if (c != 0)
- s[sz++] = c;
- else
- sz += utf8_encode_unichar(s + sz, u);
- } else
- s[sz++] = c;
-
- state = SINGLE_QUOTE;
- break;
-
case DOUBLE_QUOTE:
if (c == 0)
return -EINVAL;
break;
+ case SINGLE_QUOTE_ESCAPE:
case DOUBLE_QUOTE_ESCAPE:
+ case VALUE_ESCAPE:
+ if (!GREEDY_REALLOC(s, allocated, sz+7))
+ return -ENOMEM;
+
if (c == 0) {
+ if ((flags & UNQUOTE_CUNESCAPE_RELAX) &&
+ (state == VALUE_ESCAPE || flags & UNQUOTE_RELAX)) {
+ /* If we find an unquoted trailing backslash and we're in
+ * UNQUOTE_CUNESCAPE_RELAX mode, keep it verbatim in the
+ * output.
+ *
+ * Unbalanced quotes will only be allowed in UNQUOTE_RELAX
+ * mode, UNQUOTE_CUNESCAP_RELAX mode does not allow them.
+ */
+ s[sz++] = '\\';
+ goto finish;
+ }
if (flags & UNQUOTE_RELAX)
goto finish;
return -EINVAL;
}
- if (!GREEDY_REALLOC(s, allocated, sz+7))
- return -ENOMEM;
-
if (flags & UNQUOTE_CUNESCAPE) {
uint32_t u;
r = cunescape_one(*p, (size_t) -1, &c, &u);
- if (r < 0)
+ if (r < 0) {
+ if (flags & UNQUOTE_CUNESCAPE_RELAX) {
+ s[sz++] = '\\';
+ s[sz++] = c;
+ goto end_escape;
+ }
return -EINVAL;
+ }
(*p) += r - 1;
if (c != 0)
- s[sz++] = c;
+ s[sz++] = c; /* normal explicit char */
else
- sz += utf8_encode_unichar(s + sz, u);
+ sz += utf8_encode_unichar(s + sz, u); /* unicode chars we'll encode as utf8 */
} else
s[sz++] = c;
- state = DOUBLE_QUOTE;
+end_escape:
+ state = (state == SINGLE_QUOTE_ESCAPE) ? SINGLE_QUOTE :
+ (state == DOUBLE_QUOTE_ESCAPE) ? DOUBLE_QUOTE :
+ VALUE;
break;
case SPACE:
if (recvmsg(pair[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
return -errno;
- for (cmsg = CMSG_FIRSTHDR(&mh); cmsg; cmsg = CMSG_NXTHDR(&mh, cmsg))
+ CMSG_FOREACH(cmsg, &mh)
if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
int *fds;
unsigned n_fds;
assert(mh);
- for (cmsg = CMSG_FIRSTHDR(mh); cmsg; cmsg = CMSG_NXTHDR(mh, cmsg))
+ CMSG_FOREACH(cmsg, mh)
if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS)
close_many((int*) CMSG_DATA(cmsg), (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int));
}
~ianmdlvl / elogind.git / blobdiff