/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-***/
#include <errno.h>
#include <stdarg.h>
}
/* Split a string into words. */
-const char* split(const char **state, size_t *l, const char *separator, bool quoted) {
+const char* split(const char **state, size_t *l, const char *separator, SplitFlags flags) {
const char *current;
current = *state;
return NULL;
}
- if (quoted && strchr("\'\"", *current)) {
+ if (flags & SPLIT_QUOTES && strchr("\'\"", *current)) {
char quotechars[2] = {*current, '\0'};
*l = strcspn_escaped(current + 1, quotechars);
if (current[*l + 1] == '\0' || current[*l + 1] != quotechars[0] ||
(current[*l + 2] && !strchr(separator, current[*l + 2]))) {
/* right quote missing or garbage at the end */
+ if (flags & SPLIT_RELAX) {
+ *state = current + *l + 1 + (current[*l + 1] != '\0');
+ return current + 1;
+ }
*state = current;
return NULL;
}
*state = current++ + *l + 2;
- } else if (quoted) {
+ } else if (flags & SPLIT_QUOTES) {
*l = strcspn_escaped(current, separator);
- if (current[*l] && !strchr(separator, current[*l])) {
+ if (current[*l] && !strchr(separator, current[*l]) && !(flags & SPLIT_RELAX)) {
/* unfinished escape */
*state = current;
return NULL;
assert(p);
- /* Replaces a string pointer with an strdup()ed new string,
+ /* Replaces a string pointer with a strdup()ed new string,
* possibly freeing the old one. */
if (streq_ptr(*p, s))
return 1;
}
+int free_and_strndup(char **p, const char *s, size_t l) {
+ char *t;
+
+ assert(p);
+ assert(s || l == 0);
+
+ /* Replaces a string pointer with a strndup()ed new string,
+ * freeing the old one. */
+
+ if (!*p && !s)
+ return 0;
+
+ if (*p && s && strneq(*p, s, l) && (l > strlen(*p) || (*p)[l] == '\0'))
+ return 0;
+
+ if (s) {
+ t = strndup(s, l);
+ if (!t)
+ return -ENOMEM;
+ } else
+ t = NULL;
+
+ free_and_replace(*p, t);
+ return 1;
+}
+
#if !HAVE_EXPLICIT_BZERO
/*
* Pointer to memset is volatile so that compiler must de-reference