From 88a08db927629032d6d4c662e00f0dce2c112ce4 Mon Sep 17 00:00:00 2001
From: Johnny Richard <johnny@johnnyrichard.com>
Date: Sun, 30 Apr 2023 00:50:35 +0200
Subject: style: Add void to function without arguments

After run `make CC=clang` we found the following problems:

    error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]

Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
---
 src/ast.c    | 2 +-
 src/ast.h    | 2 +-
 src/pipac.c  | 2 +-
 src/scope.c  | 4 ++--
 src/scope.h  | 2 +-
 src/vector.c | 2 +-
 src/vector.h | 2 +-
 7 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/ast.c b/src/ast.c
index 7bad020..d3e9a28 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -20,7 +20,7 @@
 #include <stdlib.h>
 
 ast_node_t *
-ast_node_new()
+ast_node_new(void)
 {
   ast_node_t *node = (ast_node_t *)malloc(sizeof(ast_node_t));
   if (node == NULL) {
diff --git a/src/ast.h b/src/ast.h
index 70d6100..e25f1bb 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -110,7 +110,7 @@ typedef struct ast_node_t
 } ast_node_t;
 
 ast_node_t *
-ast_node_new();
+ast_node_new(void);
 void
 ast_node_destroy(ast_node_t *node);
 
diff --git a/src/pipac.c b/src/pipac.c
index a0031a5..b31b8b5 100644
--- a/src/pipac.c
+++ b/src/pipac.c
@@ -33,7 +33,7 @@ generate_gas_x86_64_linux(ast_node_t *func)
 }
 
 static void
-print_usage()
+print_usage(void)
 {
   fputs("pipac <filename.pipa>\n", stderr);
 }
diff --git a/src/scope.c b/src/scope.c
index de1295e..5b696ad 100644
--- a/src/scope.c
+++ b/src/scope.c
@@ -20,7 +20,7 @@
 #include <string.h>
 
 static scope_item_t *
-scope_item_new()
+scope_item_new(void)
 {
   scope_item_t *item = malloc(sizeof(scope_item_t));
   if (item == NULL) {
@@ -37,7 +37,7 @@ scope_item_destroy(scope_item_t *item)
 }
 
 scope_t *
-scope_new()
+scope_new(void)
 {
   scope_t *scope = malloc(sizeof(scope_t));
 
diff --git a/src/scope.h b/src/scope.h
index bce3567..c221703 100644
--- a/src/scope.h
+++ b/src/scope.h
@@ -30,7 +30,7 @@ typedef struct scope_item_t
 } scope_item_t;
 
 scope_t *
-scope_new();
+scope_new(void);
 
 void
 scope_destroy(scope_t *scope);
diff --git a/src/vector.c b/src/vector.c
index 85368f6..704cbc4 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -22,7 +22,7 @@
 #include <string.h>
 
 vector_t *
-vector_new()
+vector_new(void)
 {
   vector_t *vector = (vector_t *)malloc(sizeof(vector_t));
 
diff --git a/src/vector.h b/src/vector.h
index de837b2..45144b6 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -29,7 +29,7 @@ typedef struct vector_t
 } vector_t;
 
 vector_t *
-vector_new();
+vector_new(void);
 void
 vector_push_back(vector_t *vector, void *item);
 void *
-- 
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