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Add support for signed 24.8 decimal numbers

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'fixed' is a signed decimal type which offers a sign bit, 23 bits of
integer precision, and 8 bits of decimal precision.  This is exposed as
an opaque struct with conversion helpers to and from double and int on
the C API side.

Signed-off-by: Daniel Stone <daniel@fooishbar.org>
This commit is contained in:
Daniel Stone 2012-05-08 17:17:25 +01:00 • committed by Kristian Høgsberg
parent c49f632dae
commit c5aba11acc
6 changed files with 81 additions and 3 deletions
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9
src/scanner.c
View file

@ -83,6 +83,7 @@ enum arg_type {
NEW_ID,
INT,
UNSIGNED,
FIXED,
STRING,
OBJECT,
ARRAY,
@ -334,6 +335,8 @@ start_element(void *data, const char *element_name, const char **atts)
arg->type = INT;
else if (strcmp(type, "uint") == 0)
arg->type = UNSIGNED;
else if (strcmp(type, "fixed") == 0)
arg->type = FIXED;
else if (strcmp(type, "string") == 0)
arg->type = STRING;
else if (strcmp(type, "array") == 0)
@ -484,6 +487,9 @@ emit_type(struct arg *a)
case UNSIGNED:
printf("uint32_t ");
break;
case FIXED:
printf("wl_fixed_t ");
break;
case STRING:
printf("const char *");
break;
@ -972,6 +978,9 @@ emit_messages(struct wl_list *message_list,
case UNSIGNED:
printf("u");
break;
case FIXED:
printf("f");
break;
case STRING:
printf("s");
break;