Merge pull request #33 from red031000/os_lib

update os_lib from master and split os_alloc and os_arena

1 files changed, 36 insertions, 6 deletions

diff --git a/tools/mwasmarm_patcher/mwasmarm_patcher.c b/tools/mwasmarm_patcher/mwasmarm_patcher.c
index 2b887503..7d15820d 100644
--- a/tools/mwasmarm_patcher/mwasmarm_patcher.c
+++ b/tools/mwasmarm_patcher/mwasmarm_patcher.c
@@ -147,6 +147,7 @@ void sha1_process_block (const unsigned char * block, uint32_t * state) {
 // ax6 code end

 // ---------------------------------------------------------

 

+__attribute__((format(printf, 1, 2)))

 void fatal_printf(char *str, ...) {

     va_list args;

     va_start(args, str);

@@ -167,16 +168,45 @@ int get_file_size (FILE * fp) {
 #define SHA_DIGEST_LENGTH 20

 

 void print_help(void) {

-    printf("mwasmarm patcher usage: input (example: mwasmarm_patcher mwasmarm.exe)\n");

+    printf("Usage:\n"

+           "\tmwasmarm_patcher [OPTIONS] FILENAME\n\n"

+           "Arguments:\n"

+           "\tFILENAME: path to MWASMARM.exe program\n\n"

+           "OPTIONS:\n"

+           "\t-q/--quietly: Suppress verbose output\n"

+           "\t-h/--help: Print this message and exit\n");

 }

 

 int main(int argc, char *argv[]) {

-    if (argc != 2) {

+    int quietly = 0;

+    char* filename = NULL;

+    for (int i = 1; i < argc; i++)

+    {

+        if (argv[i][0] == '-') {

+            if (strcmp(argv[i], "-q") == 0 || strcmp(argv[i], "--quietly") == 0)

+                quietly = 1;

+            else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {

+                print_help();

+                exit(0);

+            }

+            else

+            {

+                print_help();

+                fatal_printf("Unrecognized option: %s\n", argv[i]);

+            }

+        } else if (filename != NULL) {

+            print_help();

+            fatal_printf("Excess filename supplied\n");

+        }

+        else

+            filename = argv[i];

+    }

+    if (filename == NULL) {

         print_help();

-        return 1;

+        fatal_printf("Missing required argument: filename\n");

     } else {

         // Open the file and read it's sha1 hash.

-        FILE *f = fopen(argv[1], "rb+");

+        FILE *f = fopen(filename, "rb+");

         if (f == NULL) {

             fatal_printf("ERROR: No file detected\n");

         }

@@ -205,7 +235,7 @@ int main(int argc, char *argv[]) {
         for (int i = 0; gPatchDefs[i].sha1before != NULL; i++) {

             // check if already patched for the current loop.

             if (!strcmp(buf, gPatchDefs[i].sha1after)) {

-                printf("Supported patched version detected (%s): no action needed\n", gPatchDefs[i].version);

+                if (!quietly) printf("Supported patched version detected (%s): no action needed\n", gPatchDefs[i].version);

                 return 0;

             } else if(!strcmp(buf, gPatchDefs[i].sha1before)) {

                 // we found an unpatched version: apply the patches.

@@ -213,7 +243,7 @@ int main(int argc, char *argv[]) {
                     fseek(f, gPatchDefs[i].patches[j].offsetPatch, SEEK_SET);

                     fputc(gPatchDefs[i].patches[j].newByte, f);

                 }

-                printf("Supported unpatched version detected (%s): assembler patched\n", gPatchDefs[i].version);

+                if (!quietly) printf("Supported unpatched version detected (%s): assembler patched\n", gPatchDefs[i].version);

                 return 0;

             }

         }