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Description: 9libs: Sync with plan9port.
This patch is imported from the upstream's VCS.
Author: Kris Maglione <kris@suckless.org>
Origin: upstream, http://hg.suckless.org/wmii/raw-rev/d1296b42f38a
--- a/include/fmt.h
+++ b/include/fmt.h
@@ -27,10 +27,22 @@
void *farg; /* to make flush a closure */
int nfmt; /* num chars formatted so far */
va_list args; /* args passed to dofmt */
- int r; /* % format Rune */
+ Rune r; /* % format Rune */
int width;
int prec;
unsigned long flags;
+ char *decimal; /* decimal point; cannot be "" */
+
+ /* For %'d */
+ char *thousands; /* separator for thousands */
+
+ /*
+ * Each char is an integer indicating #digits before next separator. Values:
+ * \xFF: no more grouping (or \x7F; defined to be CHAR_MAX in POSIX)
+ * \x00: repeat previous indefinitely
+ * \x**: count that many
+ */
+ char *grouping; /* descriptor of separator placement */
};
enum{
@@ -40,7 +52,8 @@
FmtSharp = FmtPrec << 1,
FmtSpace = FmtSharp << 1,
FmtSign = FmtSpace << 1,
- FmtZero = FmtSign << 1,
+ FmtApost = FmtSign << 1,
+ FmtZero = FmtApost << 1,
FmtUnsigned = FmtZero << 1,
FmtShort = FmtUnsigned << 1,
FmtLong = FmtShort << 1,
@@ -121,6 +134,7 @@
int fmtfdflush(Fmt*);
int fmtfdinit(Fmt*, int fd, char *buf, int size);
int fmtinstall(int, int (*f)(Fmt*));
+void fmtlocaleinit(Fmt*, char *decimal, char *thousands, char *grouping);
int fmtprint(Fmt*, const char*, ...);
int fmtrune(Fmt*, int);
int fmtrunestrcpy(Fmt*, Rune*);
--- a/include/utf.h
+++ b/include/utf.h
@@ -1,14 +1,15 @@
#ifndef _UTF_H_
#define _UTF_H_ 1
-typedef unsigned short Rune; /* 16 bits */
+typedef unsigned int Rune; /* 32 bits */
enum
{
- UTFmax = 3, /* maximum bytes per rune */
+ UTFmax = 4, /* maximum bytes per rune */
Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
Runeself = 0x80, /* rune and UTF sequences are the same (<) */
- Runeerror = 0xFFFD, /* decoding error in UTF */
+ Runeerror = 0xFFFD, /* decoding error in UTF */
+ Runemax = 0x10FFFF /* maximum rune value */
};
/* Edit .+1,/^$/ | cfn $PLAN9/src/lib9/utf/?*.c | grep -v static |grep -v __ */
@@ -19,7 +20,7 @@
int isspacerune(Rune);
int istitlerune(Rune);
int isupperrune(Rune);
-int runelen(Rune);
+int runelen(long);
int runenlen(const Rune*, int);
Rune* runestrcat(Rune*, const Rune*);
Rune* runestrchr(const Rune*, Rune);
--- /dev/null
+++ b/lib/libfmt/fmtlocale.c
@@ -0,0 +1,55 @@
+/* Copyright (c) 2004 Google Inc.; see LICENSE */
+
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "fmt.h"
+#include "fmtdef.h"
+
+/*
+ * Fill in the internationalization stuff in the State structure.
+ * For nil arguments, provide the sensible defaults:
+ * decimal is a period
+ * thousands separator is a comma
+ * thousands are marked every three digits
+ */
+void
+fmtlocaleinit(Fmt *f, char *decimal, char *thousands, char *grouping)
+{
+ if(decimal == nil || decimal[0] == '\0')
+ decimal = ".";
+ if(thousands == nil)
+ thousands = ",";
+ if(grouping == nil)
+ grouping = "\3";
+ f->decimal = decimal;
+ f->thousands = thousands;
+ f->grouping = grouping;
+}
+
+/*
+ * We are about to emit a digit in e.g. %'d. If that digit would
+ * overflow a thousands (e.g.) grouping, tell the caller to emit
+ * the thousands separator. Always advance the digit counter
+ * and pointer into the grouping descriptor.
+ */
+int
+__needsep(int *ndig, char **grouping)
+{
+ int group;
+
+ (*ndig)++;
+ group = *(unsigned char*)*grouping;
+ /* CHAR_MAX means no further grouping. \0 means we got the empty string */
+ if(group == 0xFF || group == 0x7f || group == 0x00)
+ return 0;
+ if(*ndig > group){
+ /* if we're at end of string, continue with this grouping; else advance */
+ if((*grouping)[1] != '\0')
+ (*grouping)++;
+ *ndig = 1;
+ return 1;
+ }
+ return 0;
+}
+
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