Alexandre Julliard : widl: Add strmake() helper.
Alexandre Julliard
julliard at winehq.org
Mon Nov 4 16:40:24 CST 2019
Module: wine
Branch: master
Commit: 264d8884d5d3c6ee4cfd5df5650293d841364166
URL: https://source.winehq.org/git/wine.git/?a=commit;h=264d8884d5d3c6ee4cfd5df5650293d841364166
Author: Alexandre Julliard <julliard at winehq.org>
Date: Sat Nov 2 13:34:01 2019 +0100
widl: Add strmake() helper.
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
tools/widl/parser.y | 24 ++++--------------------
tools/widl/register.c | 3 +--
tools/widl/utils.c | 19 +++++++++++++++++++
tools/widl/utils.h | 1 +
4 files changed, 25 insertions(+), 22 deletions(-)
diff --git a/tools/widl/parser.y b/tools/widl/parser.y
index 59875a5b16..5f6eb50878 100644
--- a/tools/widl/parser.y
+++ b/tools/widl/parser.y
@@ -2038,11 +2038,8 @@ var_t *find_const(const char *name, int f)
char *gen_name(void)
{
- static const char format[] = "__WIDL_%s_generated_name_%08lX";
static unsigned long n = 0;
static const char *file_id;
- static size_t size;
- char *name;
if (! file_id)
{
@@ -2052,13 +2049,8 @@ char *gen_name(void)
for (; *dst; ++dst)
if (! isalnum((unsigned char) *dst))
*dst = '_';
-
- size = sizeof format - 7 + strlen(file_id) + 8;
}
-
- name = xmalloc(size);
- sprintf(name, format, file_id, n++);
- return name;
+ return strmake("__WIDL_%s_generated_name_%08lX", file_id, n++);
}
struct allowed_attr
@@ -2727,14 +2719,6 @@ static void check_functions(const type_t *iface, int is_inside_library)
}
}
-static char *concat_str(const char *prefix, const char *str)
-{
- char *ret = xmalloc(strlen(prefix) + strlen(str) + 1);
- strcpy(ret, prefix);
- strcat(ret, str);
- return ret;
-}
-
static int async_iface_attrs(attr_list_t *attrs, const attr_t *attr)
{
switch(attr->type)
@@ -2774,7 +2758,7 @@ static void check_async_uuid(type_t *iface)
if (!inherit)
error_loc("async_uuid applied to an interface with incompatible parent\n");
- async_iface = get_type(TYPE_INTERFACE, concat_str("Async", iface->name), iface->namespace, 0);
+ async_iface = get_type(TYPE_INTERFACE, strmake("Async%s", iface->name), iface->namespace, 0);
async_iface->attrs = map_attrs(iface->attrs, async_iface_attrs);
STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
@@ -2791,13 +2775,13 @@ static void check_async_uuid(type_t *iface)
finish_args = append_var(finish_args, copy_var(arg, strdup(arg->name), arg_out_attrs));
}
- begin_func = copy_var(func, concat_str("Begin_", func->name), NULL);
+ begin_func = copy_var(func, strmake("Begin_%s", func->name), NULL);
begin_func->declspec.type = type_new_function(begin_args);
begin_func->declspec.type->attrs = func->attrs;
begin_func->declspec.type->details.function->retval = func->declspec.type->details.function->retval;
stmts = append_statement(stmts, make_statement_declaration(begin_func));
- finish_func = copy_var(func, concat_str("Finish_", func->name), NULL);
+ finish_func = copy_var(func, strmake("Finish_%s", func->name), NULL);
finish_func->declspec.type = type_new_function(finish_args);
finish_func->declspec.type->attrs = func->attrs;
finish_func->declspec.type->details.function->retval = func->declspec.type->details.function->retval;
diff --git a/tools/widl/register.c b/tools/widl/register.c
index 1c369e7c5e..f65cbddf53 100644
--- a/tools/widl/register.c
+++ b/tools/widl/register.c
@@ -321,8 +321,7 @@ void output_typelib_regscript( const typelib_t *typelib )
if (expr)
{
sprintf(id_part, "\\%d", expr->cval);
- resname = xmalloc( strlen(typelib_name) + 20 );
- sprintf(resname, "%s\\%d", typelib_name, expr->cval);
+ resname = strmake("%s\\%d", typelib_name, expr->cval);
}
put_str( indent, "'%x' { %s = s '%%MODULE%%%s' }\n",
lcid_expr ? lcid_expr->cval : 0, pointer_size == 8 ? "win64" : "win32", id_part );
diff --git a/tools/widl/utils.c b/tools/widl/utils.c
index 20c63064c7..ea92372c8c 100644
--- a/tools/widl/utils.c
+++ b/tools/widl/utils.c
@@ -226,6 +226,25 @@ void *xrealloc(void *p, size_t size)
return res;
}
+char *strmake( const char* fmt, ... )
+{
+ int n;
+ size_t size = 100;
+ va_list ap;
+
+ for (;;)
+ {
+ char *p = xmalloc( size );
+ va_start( ap, fmt );
+ n = vsnprintf( p, size, fmt, ap );
+ va_end( ap );
+ if (n == -1) size *= 2;
+ else if ((size_t)n >= size) size = n + 1;
+ else return p;
+ free( p );
+ }
+}
+
char *xstrdup(const char *str)
{
char *s;
diff --git a/tools/widl/utils.h b/tools/widl/utils.h
index 74dba11d3c..3740665650 100644
--- a/tools/widl/utils.h
+++ b/tools/widl/utils.h
@@ -44,6 +44,7 @@ void error_loc_info(const loc_info_t *, const char *s, ...) __attribute__((forma
void warning(const char *s, ...) __attribute__((format (printf, 1, 2)));
void warning_loc_info(const loc_info_t *, const char *s, ...) __attribute__((format (printf, 2, 3)));
void chat(const char *s, ...) __attribute__((format (printf, 1, 2)));
+char *strmake(const char* fmt, ...) __attribute__((__format__ (__printf__, 1, 2 )));
char *dup_basename(const char *name, const char *ext);
size_t widl_getline(char **linep, size_t *lenp, FILE *fp);
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