ash: eliminate 16 bytes in bss

[oweals/busybox.git] / applets / applet_tables.c

diff --git a/applets/applet_tables.c b/applets/applet_tables.c
index 6c3492b4df149c30d5210f45dfb0202e4b493c12..e48be46821e7ffe3a07cd33dcc4ca50a44371652 100644 (file)
--- a/applets/applet_tables.c
+++ b/applets/applet_tables.c
@@ -47,6 +47,7 @@ int main(int argc, char **argv)
 {
        int i;
        int ofs;
+       unsigned MAX_APPLET_NAME_LEN = 1;
 
        qsort(applets, NUM_APPLETS, sizeof(applets[0]), cmp_name);
 
@@ -69,21 +70,33 @@ int main(int argc, char **argv)
 
        /* Keep in sync with include/busybox.h! */
 
-       puts("/* This is a generated file, don't edit */");
+       printf("/* This is a generated file, don't edit */\n\n");
 
-       puts("const char applet_names[] ALIGN1 = \"\"\n");
+       printf("#define NUM_APPLETS %u\n", NUM_APPLETS);
+       if (NUM_APPLETS == 1) {
+               printf("#define SINGLE_APPLET_STR \"%s\"\n", applets[0].name);
+               printf("#define SINGLE_APPLET_MAIN %s_main\n", applets[0].name);
+       }
+       printf("\n");
+
+       printf("#ifndef SKIP_definitions\n");
+       printf("const char applet_names[] ALIGN1 = \"\"\n");
        for (i = 0; i < NUM_APPLETS; i++) {
                printf("\"%s\" \"\\0\"\n", applets[i].name);
+               if (MAX_APPLET_NAME_LEN < strlen(applets[i].name))
+                       MAX_APPLET_NAME_LEN = strlen(applets[i].name);
        }
-       puts(";");
+       printf(";\n\n");
 
-       puts("int (*const applet_main[])(int argc, char **argv) = {");
+       printf("#ifndef SKIP_applet_main\n");
+       printf("int (*const applet_main[])(int argc, char **argv) = {\n");
        for (i = 0; i < NUM_APPLETS; i++) {
                printf("%s_main,\n", applets[i].main);
        }
-       puts("};");
+       printf("};\n");
+       printf("#endif\n\n");
 
-       puts("const uint16_t applet_nameofs[] ALIGN2 = {");
+       printf("const uint16_t applet_nameofs[] ALIGN2 = {\n");
        for (i = 0; i < NUM_APPLETS; i++) {
                printf("0x%04x,\n",
                        offset[i]
@@ -96,10 +109,10 @@ int main(int argc, char **argv)
 #endif
                );
        }
-       puts("};");
+       printf("};\n\n");
 
 #if ENABLE_FEATURE_INSTALLER
-       puts("const uint8_t applet_install_loc[] ALIGN1 = {");
+       printf("const uint8_t applet_install_loc[] ALIGN1 = {\n");
        i = 0;
        while (i < NUM_APPLETS) {
                int v = applets[i].install_loc; /* 3 bits */
@@ -108,8 +121,11 @@ int main(int argc, char **argv)
                printf("0x%02x,\n", v);
                i++;
        }
-       puts("};");
+       printf("};\n");
 #endif
+       printf("#endif /* SKIP_definitions */\n");
+       printf("\n");
+       printf("#define MAX_APPLET_NAME_LEN %u\n", MAX_APPLET_NAME_LEN);
 
        return 0;
 }