V0.16

.github/workflows/test.yaml

@@ -33,6 +33,7 @@ jobs:
         sudo ldconfig
     - name: Build and test json-c/yyjson
       run: |
+        ./configure --asan
         make
         make tests-c
     - name: build and test python

Makefile

@@ -5,7 +5,7 @@ YYJSON_LDFLAGS=$(shell pkg-config --libs yyjson)
 
 include config.mk
 
-all: test-json-c-get-a test-json-update test-json-filter test-json-subpath test-json-c-array-root test-json-filter-and-missing-key test-json-get-array-big-index test-json-union
+all: test-json-c-get-a test-json-update test-json-filter test-json-subpath test-json-c-array-root test-json-filter-and-missing-key test-json-get-array-big-index test-json-union test-json-audit-bugs test-json-crash-vectors
 
 YYJSON_TESTS=test-yyjson
 
@@ -43,10 +43,16 @@ test-json-get-array-big-index: tests/json-c/get-array-big-index.c csonpath_json-
 test-json-union: tests/json-c/union.c csonpath_json-c.h csonpath.h csonpath_do.h
 	$(CC) tests/json-c/union.c $(EXTRA_FILES) $(JSON_C_CFLAGS) $(CFLAGS) -Wno-format -I./ -o test-json-union  $(JSON_C_LDFLAGS) $(LDFLAGS)
 
+test-json-audit-bugs: tests/json-c/audit-bugs.c csonpath_json-c.h csonpath.h csonpath_do.h
+	$(CC) tests/json-c/audit-bugs.c $(EXTRA_FILES) $(JSON_C_CFLAGS) $(CFLAGS) -Wno-format -I./ -o test-json-audit-bugs  $(JSON_C_LDFLAGS) $(LDFLAGS)
+
+test-json-crash-vectors: tests/json-c/crash-vectors.c csonpath_json-c.h csonpath.h csonpath_do.h
+	$(CC) tests/json-c/crash-vectors.c $(EXTRA_FILES) $(JSON_C_CFLAGS) $(CFLAGS) -Wno-format -I./ -o test-json-crash-vectors  $(JSON_C_LDFLAGS) $(LDFLAGS)
+
 test-yyjson: tests/yyjson/test-yyjson.c csonpath_yyjson.h csonpath.h csonpath_do.h
 	$(CC) tests/yyjson/test-yyjson.c $(EXTRA_FILES) $(YYJSON_CFLAGS) $(CFLAGS) -Wno-format -I./ -o test-yyjson $(YYJSON_LDFLAGS) $(LDFLAGS)
 
- tests-c: test-json-c-get-a test-json-update test-json-filter test-json-subpath test-json-c-array-root test-json-filter-and-missing-key test-json-get-array-big-index test-json-union test-yyjson
+ tests-c: test-json-c-get-a test-json-update test-json-filter test-json-subpath test-json-c-array-root test-json-filter-and-missing-key test-json-get-array-big-index test-json-union test-json-audit-bugs test-json-crash-vectors test-yyjson
 	./test-json-c-get-a
 	./test-json-update
 	./test-json-filter
@@ -55,6 +61,8 @@ test-yyjson: tests/yyjson/test-yyjson.c csonpath_yyjson.h csonpath.h csonpath_do
 	./test-json-filter-and-missing-key
 	./test-json-get-array-big-index
 	./test-json-union
+	./test-json-audit-bugs
+	./test-json-crash-vectors
 	./test-yyjson
 
 pip-dev:
@@ -66,5 +74,5 @@ tests-py: pip-dev
 tests: tests-py tests-c
 
 clean:
-	rm -rvf test-json-c-get-a test-json-update test-json-filter test-json-subpath test-json-c-array-root test-json-filter-and-missing-key test-json-get-array-big-index test-json-union test-yyjson
+	rm -rvf test-json-c-get-a test-json-update test-json-filter test-json-subpath test-json-c-array-root test-json-filter-and-missing-key test-json-get-array-big-index test-json-union test-json-audit-bugs test-json-crash-vectors test-yyjson
 

README.md

@@ -21,7 +21,8 @@ Unlike many JSONPath libraries, csonpath is **backend-agnostic**: it can work wi
 | Array index | `$.array[0]` | Access by zero-based index |
 | Wildcard `[*]` | `$.array[*].field` | Iterate all array elements |
 | Recursive descent `..` | `$..name` | Search recursively for a key |
-| Union `\|` / `,` | `$.a \| $.b` or `$['a','b']` | Match multiple paths at once |
+| Union `,` (inside brackets) | `$['a','b']`, `$.array[0,1]`, `$.items[?n==1, ?n==2]` | Match all listed selectors at once |
+| OR fallback `\|` | `$.a \| $.b` | Try the left path first; fall back to the right one if it does not match. Only the first successful path is used. |
 | Filters | `$.items[?price > 10]` | Filter array elements |
 | Regex filters | `$.items[?name =~ "foo"]` | POSIX regex-based filtering |
 | Multiple filters (`&`) | `$.items[?a=1 & b=2]` | Combine conditions |

configure

@@ -21,12 +21,17 @@ for arg in $@; do
 	CFLAGS="${CFLAGS} -DCSONPATH_PCRE2_POSIX $(pkg-config --cflags libpcre2-posix)"
 	LDFLAGS="${LDFLAGS} $(pkg-config --libs libpcre2-posix)"
     fi
+    if [ "--asan" = $arg ]; then
+	CFLAGS="${CFLAGS} -fsanitize=address -fno-omit-frame-pointer"
+	LDFLAGS="${LDFLAGS} -fsanitize=address"
+    fi
     if [ "--help" = $arg ]; then
 	echo "help"
 	echo "	--tiny-regex"
 	echo "	--pcre2-regex"
 	echo "	--pcre2-posix"
 	echo "	--no-regex"
+	echo "	--asan"
     fi
 done