Fix minor C compiler warnings

Signed-off-by: Antonin Décimo <[email protected]>

flexdll.c

@@ -244,16 +244,15 @@ static void dump_master_reloctbl(reloctbl **ptr) {
 /* Avoid the use of snprintf */
 static void cannot_resolve_msg(char *name, err_t *err) {
   static char msg[] = "Cannot resolve ";
-  static int l = sizeof(msg) - 1;
-  int n = strlen(name);
+  static size_t l = sizeof(msg) - 1;
+  size_t n = strlen(name);
   memcpy(err->message,msg,l);
   memcpy(err->message+l,name,min(n,sizeof(err->message) - l - 1));
   err->message[l+n] = 0;
 }
 
 static void relocate(resolver f, void *data, reloctbl *tbl, err_t *err) {
   reloc_entry *ptr;
-  nonwr *wr;
   INT_PTR s;
   DWORD prev_protect;
   static long int page_size = 0;
@@ -379,13 +378,15 @@ static void relocate_master(resolver f, void *data, reloctbl **ptr, err_t *err)
 
 static void dump_symtbl(symtbl *tbl)
 {
-  int i;
+  UINT_PTR i;
 
   if (!tbl) { printf("No symbol table\n"); return; }
   printf("Dynamic symbol at %p (size = %u)\n", tbl, (unsigned int) tbl->size); fflush(stdout);
 
   for (i = 0; i < tbl->size; i++) {
-    printf("[%i] ", i); fflush(stdout);
+    char buf[sizeof("18446744073709551616")] = { 0 };
+    _ui64toa_s(i, buf, sizeof(buf), 10);
+    printf("[%s] ", buf); fflush(stdout);
     printf(" %p: ", tbl->entries[i].addr); fflush(stdout);
     printf("%s\n", tbl->entries[i].name);
     fflush(stdout);
@@ -434,6 +435,7 @@ static void unlink_unit(dlunit *unit) {
 static void *find_symbol_global(void *data, const char *name) {
   void *sym;
   dlunit *unit;
+  (void)data;
 
   if (!name) return NULL;
   sym = find_symbol(&static_symtable, name);
@@ -566,7 +568,7 @@ void *flexdll_dlsym(void *u, const char *name) {
   else return find_symbol(((dlunit*)u)->symtbl,name);
 }
 
-char *flexdll_dlerror() {
+char *flexdll_dlerror(void) {
   err_t * err;
   err = get_tls_error(TLS_ERROR_NOP);
   if(err == NULL) return TLS_ACCESS_ERRMSG;

test/dump.c

@@ -20,7 +20,6 @@ void api2(char *msg){ printf("API2: %s\n", msg); }
 
 int main(int argc, char **argv)
 {
-  void *sym;
   void *handle;
   int i;
   torun *torun;