new xj_snprintf and xj_decodef. Code from stb_sprintf was pulled in

build.sh

@@ -10,6 +10,6 @@ do
     esac
 done
 
-$CC tests/test.c          src/xjson.c -o test       $FLAGS
+$CC tests/test.c src/xjson.c src/xj_snprintf.c -o test $FLAGS
 $CC examples/parse-file.c src/xjson.c -o parse-file $FLAGS
 $CC examples/simple.c     src/xjson.c -o simple     $FLAGS

src/xj_snprintf.h

@@ -0,0 +1,8 @@
+#ifndef XJ_SNPRINTF_H
+#define XJ_SNPRINTF_H
+#include <stdarg.h>
+#include "xjson.h"
+int      xj_vsnprintf(char *buf, int count, const char *fmt, va_list va);
+xj_value *xj_vdecodef(xj_alloc *alloc, xj_error *error, const char *fmt, va_list va);
+xj_value  *xj_decodef(xj_alloc *alloc, xj_error *error, const char *fmt, ...);
+#endif

src/xjson.c

@@ -297,7 +297,7 @@ void *xj_bpalloc(xj_alloc *alloc, int size)
     return addr;
 }
 
-static void xj_preport(xj_error *error, const char *src, int off, const char *fmt, ...)
+void xj_preport(xj_error *error, const char *src, int off, const char *fmt, ...)
 {
     if(error != NULL)
     {
@@ -341,8 +341,6 @@ static void xj_preport(xj_error *error, const char *src, int off, const char *fm
     }
 }
 
-#define xj_report(error, fmt, ...) xj_preport(error, NULL, -1, fmt, ## __VA_ARGS__)
-
 // Create an [xj_value] that represents the [null] JSON value.
 xj_value *xj_value_null(xj_alloc *alloc, xj_error *error)
 {

src/xjson.h

@@ -1,3 +1,6 @@
+#ifndef XJSON_H
+#define XJSON_H
+
 typedef double    xj_f64;
 typedef long long xj_i64;
 typedef _Bool     xj_bool;
@@ -44,6 +47,9 @@ xj_alloc *xj_alloc_new(int size, int ext);
 void      xj_alloc_del(xj_alloc *alloc);
 void     *xj_bpalloc(xj_alloc *alloc, int size);
 
+void   xj_preport(xj_error *error, const char *src, int off, const char *fmt, ...);
+#define xj_report(error, fmt, ...) xj_preport(error, NULL, -1, fmt, ## __VA_ARGS__)
+
 xj_value *xj_value_null(xj_alloc *alloc, xj_error *error);
 xj_value *xj_value_bool(xj_bool val, xj_alloc *alloc, xj_error *error);
 xj_value *xj_value_int(xj_i64 val, xj_alloc *alloc, xj_error *error);
@@ -58,3 +64,5 @@ char     *xj_strdup(const char *str, int len, xj_alloc *alloc, xj_error *error);
 
 xj_value *xj_decode(const char *str, int len, xj_alloc *alloc, xj_error *error);
 char     *xj_encode(xj_value *value, int *len);
+
+#endif /* XJSON_H */

tests/test.c

@@ -2,7 +2,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <ctype.h>
-#include "xjson.h"
+#include <xjson.h>
+#include <xj_snprintf.h>
 
 #define TEST(src_) { .line = __LINE__, .src = src_ }