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-rw-r--r--lib/erl_interface/src/misc/ei_format.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/lib/erl_interface/src/misc/ei_format.c b/lib/erl_interface/src/misc/ei_format.c
index 08235d0ebe..cf50f12451 100644
--- a/lib/erl_interface/src/misc/ei_format.c
+++ b/lib/erl_interface/src/misc/ei_format.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2001-2009. All Rights Reserved.
+ * Copyright Ericsson AB 2001-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -47,10 +47,12 @@
* array of unions.
*/
union arg {
+ char c;
char* s;
long l;
unsigned long u;
double d;
+ erlang_pid* pid;
};
static int eiformat(const char** s, union arg** args, ei_x_buff* x);
@@ -106,6 +108,8 @@ static int eiformat(const char** fmt, union arg** args, ei_x_buff* x)
default:
if (isdigit((int)*p))
res = pdigit(&p, x);
+ else if ((*p == '-' || *p == '+') && isdigit((int)*(p+1)))
+ res = pdigit(&p, x);
else if (islower((int)*p))
res = patom(&p, x);
else
@@ -149,6 +153,8 @@ static int pdigit(const char** fmt, ei_x_buff* x)
double d;
long l;
+ if (**fmt == '-' || **fmt == '+')
+ (*fmt)++;
for (;;) {
c = *(*fmt)++;
if (isdigit((int)c))
@@ -220,12 +226,14 @@ static int pquotedatom(const char** fmt, ei_x_buff* x)
/*
* The format letters are:
* a - An atom
+ * c - A character
* s - A string
* i - An integer
* l - A long integer
* u - An unsigned long integer
* f - A float
* d - A double float
+ * p - An Erlang PID
*/
static int pformat(const char** fmt, union arg** args, ei_x_buff* x)
{
@@ -236,6 +244,10 @@ static int pformat(const char** fmt, union arg** args, ei_x_buff* x)
res = ei_x_encode_atom(x, (*args)->s);
(*args)++;
break;
+ case 'c':
+ res = ei_x_encode_char(x, (*args)->c);
+ (*args)++;
+ break;
case 's':
res = ei_x_encode_string(x, (*args)->s);
(*args)++;
@@ -257,6 +269,10 @@ static int pformat(const char** fmt, union arg** args, ei_x_buff* x)
res = ei_x_encode_double(x, (*args)->d);
(*args)++;
break;
+ case 'p':
+ res = ei_x_encode_pid(x, (*args)->pid);
+ (*args)++;
+ break;
default:
res = -1;
break;
@@ -392,6 +408,9 @@ static int read_args(const char* fmt, va_list ap, union arg **argp)
return -1; /* Error, string not complete */
}
switch (*p++) {
+ case 'c':
+ args[i++].c = (char) va_arg(ap, int);
+ break;
case 'a':
case 's':
args[i++].s = va_arg(ap, char*);
@@ -411,6 +430,9 @@ static int read_args(const char* fmt, va_list ap, union arg **argp)
case 'd':
args[i++].d = va_arg(ap, double);
break;
+ case 'p':
+ args[i++].pid = va_arg(ap, erlang_pid*);
+ break;
default:
ei_free(args); /* Invalid specifier */
return -1;