string_util: Make use of std::string_view and add bounds checking

Makes use of std::string_view in StringFromFixedZeroTerminatedBuffer and add bounds checking

2 files changed, 5 insertions, 5 deletions

diff --git a/src/common/string_util.cpp b/src/common/string_util.cpp
index 9617c3fa3..662171138 100644
--- a/src/common/string_util.cpp
+++ b/src/common/string_util.cpp
@@ -180,12 +180,12 @@ std::wstring UTF8ToUTF16W(const std::string& input) {
 
 #endif
 
-std::string StringFromFixedZeroTerminatedBuffer(const char* buffer, std::size_t max_len) {
+std::string StringFromFixedZeroTerminatedBuffer(std::string_view buffer, std::size_t max_len) {
     std::size_t len = 0;
-    while (len < max_len && buffer[len] != '\0')
+    while (len < buffer.length() && len < max_len && buffer[len] != '\0') {
         ++len;
-
-    return std::string(buffer, len);
+    }
+    return std::string(buffer.begin(), buffer.begin() + len);
 }
 
 std::u16string UTF16StringFromFixedZeroTerminatedBuffer(std::u16string_view buffer,
diff --git a/src/common/string_util.h b/src/common/string_util.h
index 7e90a9ca5..f0dd632ee 100644
--- a/src/common/string_util.h
+++ b/src/common/string_util.h
@@ -63,7 +63,7 @@ template <typename InIt>
  * Creates a std::string from a fixed-size NUL-terminated char buffer. If the buffer isn't
  * NUL-terminated then the string ends at max_len characters.
  */
-[[nodiscard]] std::string StringFromFixedZeroTerminatedBuffer(const char* buffer,
+[[nodiscard]] std::string StringFromFixedZeroTerminatedBuffer(std::string_view buffer,
                                                               std::size_t max_len);
 
 /**