X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=generator%2Fgenerator_c.ml;h=bfdea337cced4c070e47ff8ceaf3a12744a54cfe;hp=771d6a29bb6b9f3de7cc3140e8fa8f5c30e9fb3a;hb=527079aa0db9b608ee4c25e7b3eccc4058685608;hpb=be507f6a225345ec3c03096fa05cdb0d0e3dec9a diff --git a/generator/generator_c.ml b/generator/generator_c.ml index 771d6a2..bfdea33 100644 --- a/generator/generator_c.ml +++ b/generator/generator_c.ml @@ -135,7 +135,8 @@ let rec generate_prototype ?(extern = true) ?(static = false) if newline then pr "\n" (* Generate C call arguments, eg "(handle, foo, bar)" *) -and generate_c_call_args ?handle (ret, args, optargs) = +and generate_c_call_args ?handle ?(implicit_size_ptr = "&size") + (ret, args, optargs) = pr "("; let comma = ref false in let next () = @@ -155,11 +156,11 @@ and generate_c_call_args ?handle (ret, args, optargs) = next (); pr "%s" (name_of_argt arg) ) args; - (* For RBufferOut calls, add implicit &size parameter. *) + (* For RBufferOut calls, add implicit size pointer parameter. *) (match ret with | RBufferOut _ -> next (); - pr "&size" + pr "%s" implicit_size_ptr | _ -> () ); (* For calls with optional arguments, add implicit optargs parameter. *) @@ -179,6 +180,11 @@ and generate_actions_pod () = generate_prototype ~extern:false ~indent:" " ~handle:"g" name style; pr "\n\n"; + (match deprecation_notice ~prefix:"guestfs_" flags with + | None -> () + | Some txt -> pr "%s\n\n" txt + ); + let uc_shortname = String.uppercase shortname in if optargs <> [] then ( pr "You may supply a list of optional arguments to this call.\n"; @@ -254,10 +260,6 @@ I.\n\n" pr "This function takes a key or passphrase parameter which could contain sensitive material. Read the section L for more information.\n\n"; - (match deprecation_notice flags with - | None -> () - | Some txt -> pr "%s\n\n" txt - ); (match lookup_api_version name with | Some version -> pr "(Added in %s)\n\n" version | None -> () @@ -373,7 +375,7 @@ extern \"C\" { /* Define GUESTFS_WARN_DEPRECATED=1 to warn about deprecated API functions. */ #define GUESTFS_DEPRECATED_BY(s) #if GUESTFS_WARN_DEPRECATED -# if defined(__GNUC__) && GUESTFS_GCC_VERSION >= 30100 /* gcc >= 3.1.0 */ +# if defined(__GNUC__) && GUESTFS_GCC_VERSION >= 40500 /* gcc >= 4.5 */ # undef GUESTFS_DEPRECATED_BY # define GUESTFS_DEPRECATED_BY(s) __attribute__((__deprecated__(\"change the program to use guestfs_\" s \" instead of this deprecated function\"))) # endif @@ -435,13 +437,13 @@ typedef void (*guestfs_event_callback) ( #endif #define LIBGUESTFS_HAVE_SET_EVENT_CALLBACK 1 -int guestfs_set_event_callback (guestfs_h *g, - guestfs_event_callback cb, - uint64_t event_bitmask, - int flags, - void *opaque); +extern int guestfs_set_event_callback (guestfs_h *g, + guestfs_event_callback cb, + uint64_t event_bitmask, + int flags, + void *opaque); #define LIBGUESTFS_HAVE_DELETE_EVENT_CALLBACK 1 -void guestfs_delete_event_callback (guestfs_h *g, int event_handle); +extern void guestfs_delete_event_callback (guestfs_h *g, int event_handle); /* Old-style event handling. */ #ifndef GUESTFS_TYPEDEF_LOG_MESSAGE_CB @@ -482,6 +484,10 @@ extern void guestfs_set_close_callback (guestfs_h *g, guestfs_close_cb cb, void extern void guestfs_set_progress_callback (guestfs_h *g, guestfs_progress_cb cb, void *opaque) GUESTFS_DEPRECATED_BY(\"set_event_callback\"); +/* User cancellation. */ +#define LIBGUESTFS_HAVE_USER_CANCEL 1 +extern void guestfs_user_cancel (guestfs_h *g); + /* Private data area. */ #define LIBGUESTFS_HAVE_SET_PRIVATE 1 extern void guestfs_set_private (guestfs_h *g, const char *key, void *data); @@ -556,6 +562,16 @@ extern void *guestfs_next_private (guestfs_h *g, const char **key_rtn); if deprecated = None && not test0 && not debug then pr "#define LIBGUESTFS_HAVE_%s 1\n" (String.uppercase shortname); + if optargs <> [] then ( + iteri ( + fun i argt -> + let uc_shortname = String.uppercase shortname in + let n = name_of_argt argt in + let uc_n = String.uppercase n in + pr "#define GUESTFS_%s_%s %d\n" uc_shortname uc_n i; + ) optargs; + ); + generate_prototype ~single_line:true ~semicolon:false ~handle:"g" ~prefix:"guestfs_" shortname style; (match deprecated with @@ -568,6 +584,7 @@ extern void *guestfs_next_private (guestfs_h *g, const char **key_rtn); ~prefix:"guestfs_" ~suffix:"_va" ~optarg_proto:VA shortname style; + pr "\n"; pr "struct guestfs_%s_argv {\n" shortname; pr " uint64_t bitmask;\n"; iteri ( @@ -582,15 +599,16 @@ extern void *guestfs_next_private (guestfs_h *g, const char **key_rtn); let uc_shortname = String.uppercase shortname in let n = name_of_argt argt in let uc_n = String.uppercase n in - pr "#define GUESTFS_%s_%s %d\n" uc_shortname uc_n i; - pr "#define GUESTFS_%s_%s_BITMASK (UINT64_C(1)<<%d)\n" uc_shortname uc_n i; - pr "/* The field below is only valid in this struct if the\n"; - pr " * GUESTFS_%s_%s_BITMASK bit is set\n" uc_shortname uc_n; - pr " * in the bitmask above, otherwise the contents are ignored.\n"; - pr " */\n"; + pr "\n"; + pr "# define GUESTFS_%s_%s_BITMASK (UINT64_C(1)<<%d)\n" uc_shortname uc_n i; + pr " /* The field below is only valid in this struct if the\n"; + pr " * GUESTFS_%s_%s_BITMASK bit is set\n" uc_shortname uc_n; + pr " * in the bitmask above. If not, the field is ignored.\n"; + pr " */\n"; pr " %s%s;\n" c_type n ) optargs; pr "};\n"; + pr "\n"; generate_prototype ~single_line:true ~newline:true ~handle:"g" ~prefix:"guestfs_" ~suffix:"_argv" ~optarg_proto:Argv @@ -740,6 +758,13 @@ trace_send_line (guestfs_h *g) "; + (* Generate code for enter events. *) + let enter_event shortname = + pr " guestfs___call_callbacks_message (g, GUESTFS_EVENT_ENTER,\n"; + pr " \"%s\", %d);\n" + shortname (String.length shortname) + in + (* Generate code to check String-like parameters are not passed in * as NULL (returning an error if they are). *) @@ -942,12 +967,14 @@ trace_send_line (guestfs_h *g) | RBufferOut _ -> pr "%s guestfs___print_BufferOut (trace_fp, %s, *size_r);\n" indent rv | RStringList _ | RHashtable _ -> - pr "%s fputs (\"[\\\"\", trace_fp);\n" indent; + pr "%s fputs (\"[\", trace_fp);\n" indent; pr "%s for (i = 0; %s[i]; ++i) {\n" indent rv; - pr "%s if (i > 0) fputs (\"\\\", \\\"\", trace_fp);\n" indent; + pr "%s if (i > 0) fputs (\", \", trace_fp);\n" indent; + pr "%s fputs (\"\\\"\", trace_fp);\n" indent; pr "%s fputs (%s[i], trace_fp);\n" indent rv; + pr "%s fputs (\"\\\"\", trace_fp);\n" indent; pr "%s }\n" indent; - pr "%s fputs (\"\\\"]\", trace_fp);\n" indent; + pr "%s fputs (\"]\", trace_fp);\n" indent; | RStruct (_, typ) -> (* XXX There is code generated for guestfish for printing * these structures. We need to make it generally available @@ -1007,11 +1034,12 @@ trace_send_line (guestfs_h *g) pr " struct guestfs_%s_list *r;\n" typ ); pr "\n"; + enter_event shortname; check_null_strings shortname style; reject_unknown_optargs shortname style; trace_call shortname style; pr " r = guestfs__%s " shortname; - generate_c_call_args ~handle:"g" style; + generate_c_call_args ~handle:"g" ~implicit_size_ptr:"size_r" style; pr ";\n"; pr "\n"; (match errcode_of_ret ret with @@ -1099,6 +1127,7 @@ trace_send_line (guestfs_h *g) pr " const uint64_t progress_hint = 0;\n"; pr "\n"; + enter_event shortname; check_null_strings shortname style; reject_unknown_optargs shortname style; trace_call shortname style; @@ -1357,9 +1386,12 @@ trace_send_line (guestfs_h *g) (* Get the name of the last regular argument. *) let last_arg = - match args with - | [] -> "g" - | args -> name_of_argt (List.hd (List.rev args)) in + match ret with + | RBufferOut _ -> "size_r" + | _ -> + match args with + | [] -> "g" + | args -> name_of_argt (List.hd (List.rev args)) in let rtype = match ret with @@ -1380,7 +1412,7 @@ trace_send_line (guestfs_h *g) pr "\n"; pr " va_start (optargs, %s);\n" last_arg; pr " %sr = guestfs_%s_va " rtype shortname; - generate_c_call_args ~handle:"g" style; + generate_c_call_args ~handle:"g" ~implicit_size_ptr:"size_r" style; pr ";\n"; pr " va_end (optargs);\n"; pr "\n"; @@ -1437,7 +1469,7 @@ trace_send_line (guestfs_h *g) pr " }\n"; pr "\n"; pr " return guestfs_%s_argv " shortname; - generate_c_call_args ~handle:"g" style; + generate_c_call_args ~handle:"g" ~implicit_size_ptr:"size_r" style; pr ";\n"; pr "}\n\n" | _ -> () @@ -1470,6 +1502,7 @@ and generate_linker_script () = "guestfs_set_private"; "guestfs_set_progress_callback"; "guestfs_set_subprocess_quit_callback"; + "guestfs_user_cancel"; (* Unofficial parts of the API: the bindings code use these * functions, so it is useful to export them.