4.6.1

CMakeLists.txt

@@ -12,7 +12,7 @@ endif()
 project(
     simdjson
     # The version number is modified by tools/release.py
-    VERSION 4.6.0
+    VERSION 4.6.1
     DESCRIPTION "Parsing gigabytes of JSON per second"
     HOMEPAGE_URL "https://simdjson.org/"
     LANGUAGES CXX C

Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = simdjson
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "4.6.0"
+PROJECT_NUMBER         = "4.6.1"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

include/simdjson/dom/parser-inl.h

@@ -36,10 +36,11 @@ inline bool parser::dump_raw_tape(std::ostream &os) const noexcept {
 }
 
 inline simdjson_result<size_t> parser::read_file(std::string_view path) noexcept {
+  const std::string path_copy(path);
   // Open the file
   SIMDJSON_PUSH_DISABLE_WARNINGS
   SIMDJSON_DISABLE_DEPRECATED_WARNING // Disable CRT_SECURE warning on MSVC: manually verified this is safe
-  std::FILE *fp = std::fopen(path.data(), "rb");
+  std::FILE *fp = std::fopen(path_copy.c_str(), "rb");
   SIMDJSON_POP_DISABLE_WARNINGS
 
   if (fp == nullptr) {

include/simdjson/padded_string-inl.h

@@ -355,8 +355,7 @@ inline padded_string padded_string_builder::convert() noexcept {
 }
 
 inline bool padded_string_builder::reserve(size_t additional) noexcept {
-  // Guard 1: size + additional must not wrap around.
-  if (simdjson_unlikely(additional > SIZE_MAX - size)) {
+  if (simdjson_unlikely(additional + size < size)) {
     return false; // overflow: cannot satisfy request
   }
   size_t needed = size + additional;
@@ -367,16 +366,9 @@ inline bool padded_string_builder::reserve(size_t additional) noexcept {
   // We are going to grow the capacity exponentially to avoid
   // repeated allocations.
   if (new_capacity < 4096) {
-    // Guard 2: doubling must not wrap around.
-    if (simdjson_unlikely(new_capacity > SIZE_MAX / 2)) {
-      return false; // overflow: fall back to exact allocation
-    }
     new_capacity *= 2;
-  } else {
-    // Guard 3: 1.5x growth must not wrap around.
-    if (simdjson_unlikely(new_capacity > SIZE_MAX - new_capacity / 2)) {
-      return false; // overflow: fall back to exact allocation
-    }
+    // overflow guard: ensure new_capacity + new_capacity/2 does not overflow
+  } else if (new_capacity + new_capacity / 2 > new_capacity) {
     new_capacity += new_capacity / 2; // grow by 1.5x
   }
   char *new_data = internal::allocate_padded_buffer(new_capacity);

include/simdjson/simdjson_version.h

@@ -4,7 +4,7 @@
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.6.0"
+#define SIMDJSON_VERSION "4.6.1"
 
 namespace simdjson {
 enum {
@@ -19,7 +19,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 0
+  SIMDJSON_VERSION_REVISION = 1
 };
 } // namespace simdjson
 

singleheader/simdjson.cpp

@@ -1,4 +1,4 @@
-/* auto-generated on 2026-03-30 10:16:31 -0400. version 4.6.0 Do not edit! */
+/* auto-generated on 2026-04-03 15:25:03 -0400. version 4.6.1 Do not edit! */
 /* including simdjson.cpp:  */
 /* begin file simdjson.cpp */
 #define SIMDJSON_SRC_SIMDJSON_CPP

singleheader/simdjson.h

@@ -1,4 +1,4 @@
-/* auto-generated on 2026-03-30 10:16:31 -0400. version 4.6.0 Do not edit! */
+/* auto-generated on 2026-04-03 15:25:03 -0400. version 4.6.1 Do not edit! */
 /* including simdjson.h:  */
 /* begin file simdjson.h */
 #ifndef SIMDJSON_H
@@ -2538,7 +2538,7 @@ namespace std {
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.6.0"
+#define SIMDJSON_VERSION "4.6.1"
 
 namespace simdjson {
 enum {
@@ -2553,7 +2553,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 0
+  SIMDJSON_VERSION_REVISION = 1
 };
 } // namespace simdjson
 
@@ -5033,8 +5033,7 @@ inline padded_string padded_string_builder::convert() noexcept {
 }
 
 inline bool padded_string_builder::reserve(size_t additional) noexcept {
-  // Guard 1: size + additional must not wrap around.
-  if (simdjson_unlikely(additional > SIZE_MAX - size)) {
+  if (simdjson_unlikely(additional + size < size)) {
     return false; // overflow: cannot satisfy request
   }
   size_t needed = size + additional;
@@ -5045,16 +5044,9 @@ inline bool padded_string_builder::reserve(size_t additional) noexcept {
   // We are going to grow the capacity exponentially to avoid
   // repeated allocations.
   if (new_capacity < 4096) {
-    // Guard 2: doubling must not wrap around.
-    if (simdjson_unlikely(new_capacity > SIZE_MAX / 2)) {
-      return false; // overflow: fall back to exact allocation
-    }
     new_capacity *= 2;
-  } else {
-    // Guard 3: 1.5x growth must not wrap around.
-    if (simdjson_unlikely(new_capacity > SIZE_MAX - new_capacity / 2)) {
-      return false; // overflow: fall back to exact allocation
-    }
+    // overflow guard: ensure new_capacity + new_capacity/2 does not overflow
+  } else if (new_capacity + new_capacity / 2 > new_capacity) {
     new_capacity += new_capacity / 2; // grow by 1.5x
   }
   char *new_data = internal::allocate_padded_buffer(new_capacity);
@@ -9506,10 +9498,11 @@ inline bool parser::dump_raw_tape(std::ostream &os) const noexcept {
 }
 
 inline simdjson_result<size_t> parser::read_file(std::string_view path) noexcept {
+  const std::string path_copy(path);
   // Open the file
   SIMDJSON_PUSH_DISABLE_WARNINGS
   SIMDJSON_DISABLE_DEPRECATED_WARNING // Disable CRT_SECURE warning on MSVC: manually verified this is safe
-  std::FILE *fp = std::fopen(path.data(), "rb");
+  std::FILE *fp = std::fopen(path_copy.c_str(), "rb");
   SIMDJSON_POP_DISABLE_WARNINGS
 
   if (fp == nullptr) {

tests/dom/errortests.cpp

@@ -114,6 +114,20 @@ namespace parser_load {
     TEST_SUCCEED();
   }
 
+  bool parser_load_string_view_subpath() {
+    TEST_START();
+    const std::string valid_path(TWITTER_JSON);
+    const std::string backing = valid_path + ".extra";
+    const std::string_view view(backing.data(), valid_path.size());
+    uint64_t count_from_string = 0;
+    uint64_t count_from_view = 0;
+    dom::parser parser;
+    ASSERT_SUCCESS(parser.load(valid_path)["search_metadata"]["count"].get(count_from_string));
+    ASSERT_SUCCESS(parser.load(view)["search_metadata"]["count"].get(count_from_view));
+    ASSERT_EQUAL(count_from_view, count_from_string);
+    TEST_SUCCEED();
+  }
+
   bool parser_load_chain() {
     TEST_START();
     dom::parser parser;
@@ -136,6 +150,7 @@ namespace parser_load {
         && parser_load_nonexistent()
         && parser_load_many_nonexistent()
         && padded_string_load_nonexistent()
+        && parser_load_string_view_subpath()
         && parser_load_chain()
         && parser_load_many_chain()
         && parser_parse_many_documents_error_in_the_middle()