Declare file local variables and functions static

Avoid missing prototype warnings by declaring variables and functions
that are only used in a single file static.

5 files changed, 6 insertions, 7 deletions

diff --git a/src/snuffleupagus.c b/src/snuffleupagus.c
index 53e610a..e549692 100644
--- a/src/snuffleupagus.c
+++ b/src/snuffleupagus.c
@@ -619,7 +619,7 @@ static PHP_INI_MH(OnUpdateConfiguration) {
   return SUCCESS;
 }
 
-const zend_function_entry snuffleupagus_functions[] = {PHP_FE_END};
+static const zend_function_entry snuffleupagus_functions[] = {PHP_FE_END};
 
 zend_module_entry snuffleupagus_module_entry = {
     STANDARD_MODULE_HEADER,
diff --git a/src/sp_upload_validation.c b/src/sp_upload_validation.c
index 38b4cb3..6f13249 100644
--- a/src/sp_upload_validation.c
+++ b/src/sp_upload_validation.c
@@ -1,8 +1,7 @@
 #include "php_snuffleupagus.h"
 
-int (*sp_rfc1867_orig_callback)(unsigned int event, void *event_data,
+static int (*sp_rfc1867_orig_callback)(unsigned int event, void *event_data,
                                 void **extra);
-int sp_rfc1867_callback(unsigned int event, void *event_data, void **extra);
 
 #define EFREE_3(env)               \
   for (size_t i = 0; i < 4; i++) { \
@@ -23,7 +22,7 @@ int sp_rfc1867_callback_win(unsigned int event, void *event_data,
 
 #else
 
-int sp_rfc1867_callback(unsigned int event, void *event_data, void **extra) {
+static int sp_rfc1867_callback(unsigned int event, void *event_data, void **extra) {
   int retval = SUCCESS;
 
   if (sp_rfc1867_orig_callback) {
diff --git a/src/sp_utils.c b/src/sp_utils.c
index eeebcc4..82714c5 100644
--- a/src/sp_utils.c
+++ b/src/sp_utils.c
@@ -395,7 +395,7 @@ bool sp_match_array_value(const zval* arr, const zend_string* to_match, const sp
   return false;
 }
 
-bool /* success */ _hook_function(const char* original_name, HashTable* hook_table, zif_handler new_function) {
+static bool /* success */ _hook_function(const char* original_name, HashTable* hook_table, zif_handler new_function) {
   zend_function* func;
   if ((func = zend_hash_str_find_ptr(CG(function_table), VAR_AND_LEN(original_name)))) {
     if (func->type != ZEND_INTERNAL_FUNCTION) {
diff --git a/src/sp_var_parser.c b/src/sp_var_parser.c
index 81d696f..c7562f3 100644
--- a/src/sp_var_parser.c
+++ b/src/sp_var_parser.c
@@ -100,7 +100,7 @@ err:
   return err;
 }
 
-int cmp_tokens(sp_list_node const *const list1,
+static int cmp_tokens(sp_list_node const *const list1,
                sp_list_node const *const list2) {
   return (((sp_conf_token *)list1->data)->pos -
           ((sp_conf_token *)list2->data)->pos);
diff --git a/src/tweetnacl.c b/src/tweetnacl.c
index 9f66546..746cabc 100644
--- a/src/tweetnacl.c
+++ b/src/tweetnacl.c
@@ -3,7 +3,7 @@ we're using the one from PHP.*/
 #include "php_snuffleupagus.h"
 #include "ext/standard/php_random.h"
 
-void randombytes(unsigned char *x, unsigned long long xlen) {
+static void randombytes(unsigned char *x, unsigned long long xlen) {
   assert(SIZE_MAX >= ULLONG_MAX);  // max(size_t) > max(ull) ?
   php_random_bytes(x, xlen, 1);
 }