2 files changed, 15 insertions, 11 deletions

diff --git a/src/sp_utils.c b/src/sp_utils.c
index ed5123e..8c64b55 100644
--- a/src/sp_utils.c
+++ b/src/sp_utils.c
@@ -22,7 +22,8 @@ const char* get_ipaddr() {
   return default_ipaddr;
 }
 
-void sp_log_msg(char const* feature, int type, const char* fmt, ...) {
+void sp_log_msg(char const* restrict feature, int type,
+                const char* restrict fmt, ...) {
   char* msg;
   va_list args;
 
@@ -52,7 +53,8 @@ void sp_log_msg(char const* feature, int type, const char* fmt, ...) {
   }
 }
 
-int compute_hash(const char* const filename, char* file_hash) {
+int compute_hash(const char* const restrict filename,
+                 char* restrict file_hash) {
   unsigned char buf[1024];
   unsigned char digest[SHA256_SIZE];
   PHP_SHA256_CTX context;
@@ -78,8 +80,9 @@ int compute_hash(const char* const filename, char* file_hash) {
   return SUCCESS;
 }
 
-static int construct_filename(char* filename, const zend_string* folder,
-                              const zend_string* textual) {
+static int construct_filename(char* filename,
+                              const zend_string* restrict folder,
+                              const zend_string* restrict textual) {
   PHP_SHA256_CTX context;
   unsigned char digest[SHA256_SIZE] = {0};
   char strhash[65] = {0};
@@ -103,8 +106,8 @@ static int construct_filename(char* filename, const zend_string* folder,
   return 0;
 }
 
-int sp_log_request(const zend_string* folder, const zend_string* text_repr,
-                   char* from) {
+int sp_log_request(const zend_string* restrict folder,
+                   const zend_string* restrict text_repr, char* from) {
   FILE* file;
   const char* current_filename = zend_get_executed_filename(TSRMLS_C);
   const int current_line = zend_get_executed_lineno(TSRMLS_C);
diff --git a/src/sp_utils.h b/src/sp_utils.h
index 6fc59e5..8d1d44a 100644
--- a/src/sp_utils.h
+++ b/src/sp_utils.h
@@ -44,9 +44,10 @@
 
 #define GET_SUFFIX(x) (x == 1) ? "st" : ((x == 2) ? "nd" : "th")
 
-const char* get_ipaddr();
-void sp_log_msg(char const *feature, int type, const char *fmt, ...);
-int compute_hash(const char *const filename, char *file_hash);
+const char *get_ipaddr();
+void sp_log_msg(char const *restrict feature, int type,
+                const char *restrict fmt, ...);
+int compute_hash(const char *const restrict filename, char *restrict file_hash);
 const zend_string *sp_zval_to_zend_string(const zval *);
 bool sp_match_value(const zend_string *, const zend_string *, const sp_pcre *);
 bool sp_match_array_key(const zval *, const zend_string *, const sp_pcre *);
@@ -58,8 +59,8 @@ void sp_log_disable_ret(const char *restrict, const zend_string *restrict,
 int hook_function(const char *, HashTable *, zif_handler);
 int hook_regexp(const sp_pcre *, HashTable *, zif_handler);
 bool check_is_in_eval_whitelist(const zend_string *const function_name);
-int sp_log_request(const zend_string *folder, const zend_string *text_repr,
-                   char *from);
+int sp_log_request(const zend_string *restrict folder,
+                   const zend_string *restrict text_repr, char *from);
 bool sp_zend_string_equals(const zend_string *s1, const zend_string *s2);
 
 #endif /* SP_UTILS_H */