From c65794b50b1bc729e7a4e940b76a973afa3030b9 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Thu, 11 Nov 2021 14:49:35 -0800
Subject: feat: libfmt prototype added from plan9

---
 include/libfmt.h | 50 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 30 insertions(+), 20 deletions(-)

(limited to 'include')

diff --git a/include/libfmt.h b/include/libfmt.h
index 17effc6..7ba40a0 100644
--- a/include/libfmt.h
+++ b/include/libfmt.h
@@ -9,13 +9,21 @@ struct fmt·State
         char *cur;
         char *end;
     } buffer;
-    int (*flush)(fmt·State *);
     int n;
+
     va_list args;
     rune  verb;
     ulong flag;
     int  width;
     int  prec;
+    char *thousands, *groups, *decimal;
+
+    void *file;
+    int (*flush)(fmt·State *);
+    struct {
+        void *heap;
+        mem·Reallocator mem;
+    };
 };
 
 #define iota(x) (1 << (x))
@@ -41,22 +49,24 @@ enum
 #undef iota
 
 /* normal printing interface */
-int fmt·print(char *fmt, ...);
-int fmt·fprint(int fd, char *fmt, ...);
-
-int fmt·sprint(char *buf, char *fmt, ...);
-int fmt·nsprint(int len, char *buf, char *fmt, ...);
-int fmt·esprint(char *buf, char *end, char *fmt, ...);
-
-int fmt·vprint(char *fmt, va_list args);
-int fmt·vfprint(int fd, char *fmt, va_list args);
-int fmt·vwrite(char *buf, char *fmt, va_list args);
-int fmt·vnwrite(int len, char *buf, char *fmt, va_list args);
-int fmt·vewrite(char *buf, char *end, char *fmt, va_list args);
-
-/* low-level interface: custom printing verbs */
-int fmt·do(fmt·State *, char *fmt);
-int fmt·put(fmt·State *, char *fmt, ...);
-int fmt·vput(fmt·State *, char *fmt, va_list args);
-int fmt·install(fmt·State *, int (*put)(fmt·State*));
-int fmt·flush(fmt·State *);
+int   fmt·print(char *fmt, ...);
+int   fmt·fprint(int fd, char *fmt, ...);
+
+int   fmt·sprint(char *buf, char *fmt, ...);
+int   fmt·nsprint(int len, char *buf, char *fmt, ...);
+char *fmt·esprint(char *buf, char *end, char *fmt, ...);
+
+int   fmt·vprint(char *fmt, va_list args);
+int   fmt·vfprint(int fd, char *fmt, va_list args);
+int   fmt·vnsprint(int len, char *buf, char *fmt, va_list args);
+char *fmt·vesprint(char *buf, char *end, char *fmt, va_list args);
+
+/* low-level interface: used for custom printing verbs */
+int   fmt·open(int fd, int len, char *buf, fmt·State *);    // creates a buffer on a file
+int   fmt·make(mem·Reallocator mem, void *heap, fmt·State *); // creates an in-memory buffer
+void  fmt·free(fmt·State *); // releases an in-memory buffer
+
+int   fmt·do(fmt·State *, char *fmt);
+int   fmt·write(fmt·State *, char *fmt, ...);
+int   fmt·vwrite(fmt·State *, char *fmt, va_list args);
+int   fmt·install(int c, int (*format)(fmt·State *));
-- 
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