[Xenomai-git] Philippe Gerum : smokey: add helper to retrieve size expr

[git repository hosting]

Module: xenomai-3
Branch: wip/heapmem
Commit: 91ec9082982a7f42b7de7e933425b08ec9895ef2
URL:    
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=91ec9082982a7f42b7de7e933425b08ec9895ef2

Author: Philippe Gerum <r...@xenomai.org>
Date:   Mon Apr 23 18:29:46 2018 +0200

smokey: add helper to retrieve size expr

---

 include/smokey/smokey.h |   11 +++++++++++
 lib/smokey/helpers.c    |   22 ++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/include/smokey/smokey.h b/include/smokey/smokey.h
index ffd91cf..185fd3a 100644
--- a/include/smokey/smokey.h
+++ b/include/smokey/smokey.h
@@ -49,6 +49,12 @@
         .matched = 0,                  \
         }
 
+#define SMOKEY_SIZE(__name) {          \
+        .name = # __name,              \
+        .parser = smokey_size,         \
+        .matched = 0,                  \
+        }
+
 #define SMOKEY_ARGLIST(__args...)  ((struct smokey_arg[]){ __args })
 
 #define SMOKEY_NOARGS  (((struct smokey_arg[]){ { .name = NULL } }))
@@ -60,6 +66,7 @@ struct smokey_arg {
        union {
                int n_val;
                char *s_val;
+               size_t l_val;
        } u;
        int matched;
 };
@@ -104,11 +111,13 @@ struct smokey_test {
 #define SMOKEY_ARG_INT(__plugin, __arg)           (SMOKEY_ARG(__plugin, 
__arg)->u.n_val)
 #define SMOKEY_ARG_BOOL(__plugin, __arg)   (!!SMOKEY_ARG_INT(__plugin, __arg))
 #define SMOKEY_ARG_STRING(__plugin, __arg) (SMOKEY_ARG(__plugin, 
__arg)->u.s_val)
+#define SMOKEY_ARG_SIZE(__plugin, __arg)   (SMOKEY_ARG(__plugin, 
__arg)->u.l_val)
 
 #define smokey_arg_isset(__t, __name)      (smokey_lookup_arg(__t, 
__name)->matched)
 #define smokey_arg_int(__t, __name)       (smokey_lookup_arg(__t, 
__name)->u.n_val)
 #define smokey_arg_bool(__t, __name)       (!!smokey_arg_int(__t, __name))
 #define smokey_arg_string(__t, __name)     (smokey_lookup_arg(__t, 
__name)->u.s_val)
+#define smokey_arg_size(__t, __name)       (smokey_lookup_arg(__t, 
__name)->u.l_val)
 
 #define smokey_check_errno(__expr)                                     \
        ({                                                              \
@@ -216,6 +225,8 @@ int smokey_bool(const char *s, struct smokey_arg *arg);
 
 int smokey_string(const char *s, struct smokey_arg *arg);
 
+int smokey_size(const char *s, struct smokey_arg *arg);
+
 struct smokey_arg *smokey_lookup_arg(struct smokey_test *t,
                                     const char *arg);
 
diff --git a/lib/smokey/helpers.c b/lib/smokey/helpers.c
index fd1fca3..6ee69ec 100644
--- a/lib/smokey/helpers.c
+++ b/lib/smokey/helpers.c
@@ -85,6 +85,28 @@ int smokey_string(const char *s, struct smokey_arg *arg)
        return ret;
 }
 
+int smokey_size(const char *s, struct smokey_arg *arg)
+{
+       char *name, *p;
+       int ret;
+
+       ret = sscanf(s, "%m[_a-z]=%m[^\n]", &name, &p);
+       if (ret != 2)
+               return 0;
+
+       ret = !strcmp(name, arg->name);
+       if (ret) {
+               arg->u.l_val = get_mem_size(p);
+               if (arg->u.l_val == 0)
+                       ret = 0;
+       }
+
+       free(p);
+       free(name);
+
+       return ret;
+}
+
 int smokey_parse_args(struct smokey_test *t,
                      int argc, char *const argv[])
 {


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