array_dump macro is amazing

2 files changed, 18 insertions, 8 deletions

diff --git a/array.c b/array.c
index 86a5327..7bbd80b 100644
--- a/array.c
+++ b/array.c
@@ -1,6 +1,4 @@
-#include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
 #include "array.h"
 
 
@@ -57,12 +55,13 @@ void* array_resize_(void* array, size_t item_size, size_t size) {
 
 void array_print(void* array) {
 	array_info* info = &((array_info*)array)[-1];
-	printf( "size: %lu\n"
-		"capacity: %lu\n"
-		"array: %p\n",
-		info->size,
-		info->capacity,
-		info->array);
+	fprintf(stderr,
+		 "size: %lu\n"
+		 "capacity: %lu\n"
+		 "array: %p\n",
+		 info->size,
+		 info->capacity,
+		 info->array);
 }
 
 void array_pop(void* array) {
diff --git a/array.h b/array.h
index 6ea74d7..852461c 100644
--- a/array.h
+++ b/array.h
@@ -1,6 +1,7 @@
 #ifndef ARRAY_H_
 #define ARRAY_H_
 #include <stdlib.h>
+#include <stdio.h>
 #include <stdbool.h>
 
 typedef struct {
@@ -77,4 +78,14 @@ void* array_resize_(void* array, size_t item_size, size_t size);
 type__* CONCAT(it__, __LINE__) = array__; type__* CONCAT(end__, __LINE__) = array__ ? array__ + array_size(array__) : NULL;                          \
 for (type__* name__; (CONCAT(it__, __LINE__) < CONCAT(end__, __LINE__)) ? (name__ = CONCAT(it__, __LINE__), true) : false; CONCAT(it__, __LINE__)++)
 
+#define array_dump(array, type, name, fmt,  ...) do { \
+	array_print(array); \
+	fprintf(stderr, "vals: \n"); \
+	type* it__  = (array); type* end__ = (array) ? (array) + array_size(array) : NULL; \
+	for (type* name; it__ < end__ ? (name = it__, true) : false; it__++) { \
+		fprintf(stderr, fmt", ", __VA_ARGS__); \
+	} \
+	fprintf(stderr, "\b\b \n"); \
+} while (0)
+
 #endif // ARRAY_H_