]> git.draconx.ca Git - gob-dx.git/blobdiff - src/main.c
Make --help output go to standard output.
[gob-dx.git] / src / main.c
index 3bdc4f4356f7d1a5782cc36ba95297938302341e..60c128aac53e8cae755deccd9c220df0d9a23546 100644 (file)
@@ -4520,57 +4520,72 @@ generate_outfiles(void)
        print_header_postfixes();
 }
 
+static void print_usage(FILE *f)
+{
+       fprintf(f, "Usage: %s [options] file.gob\n", g_get_prgname());
+       if (f == stderr) {
+               fprintf(f, "Try '%s --help' for more information.\n",
+                          g_get_prgname());
+       }
+}
+
 static void
 print_help(void)
 {
-       fprintf(stderr, "Gob version %s\n\n", VERSION);
-       fprintf(stderr, "gob [options] file.gob\n\n");
-       fprintf(stderr, "Options:\n"
-               "\t--help,-h,-?            Display this help\n"
-               "\t--version               Display version\n"
-               "\t--exit-on-warn,-w       Exit with an error on warnings\n"
-               "\t--no-exit-on-warn       Don't exit on warnings [default]\n"
-               "\t--for-cpp               Create C++ files\n"
-               "\t--no-extern-c           Never print extern \"C\" into the "
-                                         "header\n"
-               "\t--no-gnu                Never use GNU extentions\n"
-               "\t--no-touch              Don't touch output files unless they "
-                                         "really\n"
-               "\t                        changed (implies --no-touch-headers)\n"
-               "\t--no-touch-headers      Don't touch headers unless they "
-                                         "really changed\n"
-               "\t--always-private-header Always create a private header "
-                                         "file,\n"
-               "\t                        even if it would be empty\n"
-               "\t--ondemand-private-header Create private header only when "
-                                         "needed\n"
-               "\t                        [default]\n"
-               "\t--no-private-header     Don't create a private header, "
-                                         "put private\n"
-               "\t                        structure and protected "
-                                         "prototypes inside c file\n"
-               "\t--always-private-struct Always create a private pointer "
-                                         "in\n"
-               "\t                        the object structure\n"
-               "\t--m4                    Preprocess source with m4. "
-                                         "Following args will\n"
-               "\t                        be passed to m4\n"
-               "\t--m4-dir                Print directory that will be "
-                                         "searched for m4\n"
-               "\t                        files\n"
-               "\t--no-write,-n           Don't write output files, just "
-                                         "check syntax\n"
-               "\t--no-lines              Don't print '#line' to output\n"
-               "\t--no-self-alias         Don't create self type and macro "
-                                         "aliases\n"
-               "\t--no-kill-underscores   Ignored for compatibility\n"
-               "\t-o,--output-dir         The directory where output "
-                                         "should be placed\n"
-               "\t--file-sep[=c]          replace default \'-\' file "
-                                         "name separator\n\n"
-               "\t--gtk3                  Use gtk+3\n"
-               );
-       fprintf(stderr, "End world hunger, donate to the World Food Programme, http://www.wfp.org\n");
+       print_usage(stdout);
+
+       puts(
+"This is \"GObject Builder\": a simple preprocessor to help with\n"
+"implementing GObject types in C.\n"
+       );
+
+       puts("Options:");
+       puts("  --help,-h,-?            Display this help\n"
+            "  --version               Display version\n"
+            "  --exit-on-warn,-w       Exit with an error on warnings\n"
+            "  --no-exit-on-warn       Don't exit on warnings [default]\n"
+            "  --for-cpp               Create C++ files\n"
+            "  --no-extern-c           Never print extern \"C\" into the "
+                                      "header\n"
+            "  --no-gnu                Never use GNU extentions\n"
+            "  --no-touch              Don't touch output files unless they "
+                                      "really\n"
+            "                          changed (implies --no-touch-headers)\n"
+            "  --no-touch-headers      Don't touch headers unless they "
+                                      "really changed\n"
+            "  --always-private-header Always create a private header "
+                                      "file,\n"
+            "                          even if it would be empty\n"
+            "  --ondemand-private-header Create private header only when "
+                                      "needed\n"
+            "                          [default]\n"
+            "  --no-private-header     Don't create a private header, "
+                                      "put private\n"
+            "                          structure and protected "
+                                      "prototypes inside c file\n"
+            "  --always-private-struct Always create a private pointer "
+                                      "in\n"
+            "                          the object structure\n"
+            "  --m4                    Preprocess source with m4. "
+                                      "Following args will\n"
+            "                          be passed to m4\n"
+            "  --m4-dir                Print directory that will be "
+                                      "searched for m4\n"
+            "                          files\n"
+            "  --no-write,-n           Don't write output files, just "
+                                      "check syntax\n"
+            "  --no-lines              Don't print '#line' to output\n"
+            "  --no-self-alias         Don't create self type and macro "
+                                      "aliases\n"
+            "  --no-kill-underscores   Ignored for compatibility\n"
+            "  -o,--output-dir         The directory where output "
+                                 "should be placed\n"
+            "  --file-sep[=c]          replace default \'-\' file "
+                                      "name separator\n\n"
+            "  --gtk3                  Use gtk+3\n"
+            );
+
+       puts("End world hunger, donate to the World Food Programme: https://www.wfp.org/");
 }
 
 static void
@@ -4620,7 +4635,7 @@ parse_options(int argc, char *argv[])
                        /*must be a file*/
                        if(got_file) {
                                fprintf(stderr, "Specify only one file!\n");
-                               print_help();
+                               print_usage(stderr);
                                exit(1);
                        }
                        filename = argv[i];
@@ -4711,7 +4726,7 @@ parse_options(int argc, char *argv[])
                } else if(strncmp(argv[i], "--", 2)==0) {
                        /*unknown long option*/
                        fprintf(stderr, "Unknown option '%s'!\n", argv[i]);
-                       print_help();
+                       print_usage(stderr);
                        exit(1);
                } else {
                        /*by now we know we have a string starting with
@@ -4732,7 +4747,7 @@ parse_options(int argc, char *argv[])
                                default:
                                        fprintf(stderr,
                                                "Unknown option '%c'!\n", *p);
-                                       print_help();
+                                       print_usage(stderr);
                                        exit(1);
                                }
                        }
@@ -4831,6 +4846,8 @@ compare_and_move (const char *old_filename)
 int
 main(int argc, char *argv[])
 {
+       g_set_prgname(argc > 0 ? argv[0] : "gob2");
+
        parse_options(argc, argv);
 
        if(use_m4) {