cmd: add remote arg

issue #2

src/cmd.c

@@ -11,16 +11,19 @@ static struct ArgList* supported_args;
 
 static const char* PREDEFINED_ARG_NAMES [] = {
     "--project",
+    "--remote",
     "--help"
 };
 
 static const char* PREDEFINED_ARG_DESC [] = {
     "Path to the project to be used for looking up TODO's",
+    "Remote to follow in project's git configuration",
     "Show this message"
 };
 
 static const char* PREDEFINED_ARG_VALUES [] = {
     NULL,
+    "origin",
     NULL
 };
 
@@ -99,6 +102,7 @@ void init_cmd(void) {
         switch (i)
         {
         case ARG_PROJECT:
+        case ARG_REMOTE:
         case ARG_HELP:
             append_arg(supported_args, renderArgById(i));
             break;
@@ -193,8 +197,10 @@ struct ArgList* parse_args(const int argc, char* argv[]) {
         {
         case ARG_HELP:
             usage();
+            exit(1);
             break;
         case ARG_PROJECT:
+        case ARG_REMOTE:
             int next_iterator = (i + 1 < argc) ? i + 1 : i;
             if (!validate_arg_param(argv[next_iterator])) {
                 LOG_ERROR("Argument '%s' requires a value.", PREDEFINED_ARG_NAMES[current_arg]);

src/cmd.h

@@ -10,6 +10,7 @@
 
 typedef enum {
     ARG_PROJECT,
+    ARG_REMOTE,
     ARG_HELP,
     ARG_COUNT
 } ArgNameId;

src/tools/buffer.c

@@ -21,8 +21,8 @@ Buffer* buffer_create(size_t capacity) {
 void buffer_append(Buffer* buffer, const char* str) {
     LOG_DEBUG("Entering function %s", __func__);
     size_t len = strlen(str);
-    if (buffer->size + len >= buffer->capacity) {
+    while (buffer->size + len >= buffer->capacity) {
-        buffer->capacity = buffer->size + len;
+        buffer->capacity *= 2;
         buffer->data = (char*)cdo_realloc(buffer->data, buffer->capacity);
     }
     strcpy(buffer->data + buffer->size, str);