Remove usdt_argtype_t, and let consumers specify any type.

There's no real need to limit the types that can be specified here;
that's really the job of the library consumer.

usdt.c

@@ -24,6 +24,8 @@ char *usdt_errors[] = {
 static void
 free_probedef(usdt_probedef_t *pd)
 {
+        int i;
+
         switch (pd->refcnt) {
         case 1:
                 free((char *)pd->function);
@@ -32,6 +34,8 @@ free_probedef(usdt_probedef_t *pd)
                         free(pd->probe->isenabled_addr);
                         free(pd->probe);
                 }
+                for (i = 0; i < pd->argc; i++)
+                        free(pd->types[i]);
                 free(pd);
                 break;
         case 2:
@@ -76,12 +80,8 @@ usdt_create_probe(const char *func, const char *name, size_t argc, const char **
         p->argc = argc;
         p->probe = NULL;
 
-        for (i = 0; i < argc; i++) {
-                if (strncmp("char *", types[i], 6) == 0)
-                        p->types[i] = USDT_ARGTYPE_STRING;
-                if (strncmp("int", types[i], 3) == 0)
-                        p->types[i] = USDT_ARGTYPE_INTEGER;
-        }
+        for (i = 0; i < argc; i++)
+                p->types[i] = strdup(types[i]);
 
         return (p);
 }

usdt.h

@@ -5,11 +5,6 @@
 #include <stdint.h>
 #include <unistd.h>
 
-typedef uint8_t usdt_argtype_t;
-#define USDT_ARGTYPE_NONE    0
-#define USDT_ARGTYPE_STRING  1
-#define USDT_ARGTYPE_INTEGER 2
-
 #define USDT_ARG_MAX 32
 
 typedef enum usdt_error {
@@ -35,7 +30,7 @@ typedef struct usdt_probedef {
         const char *name;
         const char *function;
         size_t argc;
-        usdt_argtype_t types[USDT_ARG_MAX];
+        char *types[USDT_ARG_MAX];
         struct usdt_probe *probe;
         struct usdt_probedef *next;
         int refcnt;

usdt_dof_sections.c

@@ -23,17 +23,7 @@ usdt_dof_probes_sect(usdt_dof_section_t *probes,
                 type = 0;
 
                 for (i = 0; i < pd->argc; i++) {
-                        switch(pd->types[i]) {
-                        case USDT_ARGTYPE_INTEGER:
-                                type = usdt_strtab_add(strtab, "int");
-                                break;
-                        case USDT_ARGTYPE_STRING:
-                                type = usdt_strtab_add(strtab, "char *");
-                                break;
-                        default:
-                                break;
-                        }
-
+                        type = usdt_strtab_add(strtab, pd->types[i]);
                         argc++;
                         if (argv == 0)
                                 argv = type;