Constify char * arguments of APIs

Closes GH-5676.

1 files changed, 6 insertions, 6 deletions

diff --git a/sapi/phpdbg/phpdbg_print.c b/sapi/phpdbg/phpdbg_print.c
index 7cc84b72dc..df925b6402 100644
--- a/sapi/phpdbg/phpdbg_print.c
+++ b/sapi/phpdbg/phpdbg_print.c
@@ -375,7 +375,7 @@ void phpdbg_print_opcodes_class(const char *class) {
 	phpdbg_print_opcodes_ce(ce);
 }
 
-PHPDBG_API void phpdbg_print_opcodes(char *function)
+PHPDBG_API void phpdbg_print_opcodes(const char *function)
 {
 	if (function == NULL) {
 		phpdbg_print_opcodes_main();
@@ -401,12 +401,12 @@ PHPDBG_API void phpdbg_print_opcodes(char *function)
 			}
 		} ZEND_HASH_FOREACH_END();
 	} else {
-		function = zend_str_tolower_dup(function, strlen(function));
+		char *function_lowercase = zend_str_tolower_dup(function, strlen(function));
 
-		if (strstr(function, "::") == NULL) {
-			phpdbg_print_opcodes_function(function, strlen(function));
+		if (strstr(function_lowercase, "::") == NULL) {
+			phpdbg_print_opcodes_function(function_lowercase, strlen(function_lowercase));
 		} else {
-			char *method_name, *class_name = strtok(function, "::");
+			char *method_name, *class_name = strtok(function_lowercase, "::");
 			if ((method_name = strtok(NULL, "::")) == NULL) {
 				phpdbg_print_opcodes_class(class_name);
 			} else {
@@ -414,6 +414,6 @@ PHPDBG_API void phpdbg_print_opcodes(char *function)
 			}
 		}
 
-		efree(function);
+		efree(function_lowercase);
 	}
 }