made the command line parser not ignore any switch just before it didn't have a switch before it

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3461 212acab6-be3b-0410-9dea-997c60f758d6

Source/exehead/Main.c

@@ -104,39 +104,50 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam,
   cmdline = state_command_line;
   if (*cmdline == '\"') seekchar = *cmdline++;
 
-  while (*cmdline && *cmdline != seekchar) cmdline=CharNext(cmdline);
+  cmdline=findchar(cmdline, seekchar);
   cmdline=CharNext(cmdline);
   realcmds=cmdline;
 
-  for (;;)
+  while (*cmdline)
   {
     // skip over any spaces
     while (*cmdline == ' ') cmdline=CharNext(cmdline);
-    if (cmdline[0] != '/') break;
-    cmdline++;
+    // find out if this parm is quoted
+    if (cmdline[0] == '"')
+    {
+      cmdline++;
+      seekchar = '\"';
+    }
+    else seekchar = ' ';
+    if (cmdline[0] == '/')
+    {
+      cmdline++;
 
 // this only works with spaces because they have just one bit on
 #define END_OF_ARG(c) (((c)|' ')==' ')
 
 #if defined(NSIS_CONFIG_VISIBLE_SUPPORT) && defined(NSIS_CONFIG_SILENT_SUPPORT)
-    if (cmdline[0] == 'S' && END_OF_ARG(cmdline[1]))
-      cl_flags |= FH_FLAGS_SILENT;
+      if (cmdline[0] == 'S' && END_OF_ARG(cmdline[1]))
+        cl_flags |= FH_FLAGS_SILENT;
 #endif//NSIS_CONFIG_SILENT_SUPPORT && NSIS_CONFIG_VISIBLE_SUPPORT
 #ifdef NSIS_CONFIG_CRC_SUPPORT
-    if (*(DWORD*)cmdline == CHAR4_TO_DWORD('N','C','R','C') && END_OF_ARG(cmdline[4]))
-      cl_flags |= FH_FLAGS_NO_CRC;
+      if (*(DWORD*)cmdline == CHAR4_TO_DWORD('N','C','R','C') && END_OF_ARG(cmdline[4]))
+        cl_flags |= FH_FLAGS_NO_CRC;
 #endif//NSIS_CONFIG_CRC_SUPPORT
 
-    if (*(WORD*)cmdline == CHAR2_TO_WORD('D','='))
-    {
-      cmdline[-2]=0; // keep this from being passed to uninstaller if necessary
-      mystrcpy(state_install_directory,cmdline+2);
-      cmdline=""; // prevent further processing of cmdline
-      break; // not necessary, but for some reason makes smaller exe :)
+      if (*(WORD*)cmdline == CHAR2_TO_WORD('D','='))
+      {
+        cmdline[-2]=0; // keep this from being passed to uninstaller if necessary
+        mystrcpy(state_install_directory,cmdline+2);
+        cmdline=""; // prevent further processing of cmdline
+      }
     }
 
     // skip over our parm
-    while (!END_OF_ARG(*cmdline)) cmdline=CharNext(cmdline);
+    cmdline = findchar(cmdline, seekchar);
+    // skip the quote
+    if (*cmdline = '\"')
+      cmdline++;
   }
 
   m_Err = loadHeaders(cl_flags);

Source/exehead/Ui.c

@@ -230,7 +230,7 @@ __forceinline int NSISCALL ui_doinstall(void)
         {
           char *p2=CharNext(p);
           p=p2;
-          while (*p2 && *p2 != '\"') p2=CharNext(p2);
+          p2 = findchar(p2, '"');
           *p2=0;
         }
         // p is the path now, check for .exe extension

Source/exehead/exec.c

@@ -251,7 +251,7 @@ static int NSISCALL ExecuteEntry(entry *entry_)
           while (c)
           {
             WIN32_FIND_DATA *fd;
-            while (*p != '\\' && *p) p=CharNext(p);
+            p = findchar(p, '\\');
             c=*p;
             *p=0;
             fd = file_exists(buf1);

Source/exehead/util.c

@@ -132,6 +132,15 @@ char *NSISCALL addtrailingslash(char *str)
   return *CharPrev(str,str+mystrlen(str));
 }*/
 
+char * NSISCALL findchar(char *str, char c)
+{
+  while (*str && *str != c)
+  {
+    str = CharNext(str);
+  }
+  return str;
+}
+
 void NSISCALL trimslashtoend(char *buf)
 {
   char *p = buf + mystrlen(buf);
@@ -166,12 +175,9 @@ char * NSISCALL skip_root(char *path)
     int x = 2;
     while (x--)
     {
-      while (*p2 != '\\')
-      {
-        if (!*p2)
-          return NULL;
-        p2 = CharNext(p2);
-      }
+      p2 = findchar(p2, '\\');
+      if (!*p2)
+        return NULL;
       p2 = CharNext(p2);
     }
 
@@ -580,28 +586,32 @@ char * NSISCALL GetNSISString(char *outbuf, int strtab)
 
 char * NSISCALL validate_filename(char *in) {
   char *nono = "*?|<>/\":";
-  short cur_char = 0;
   char *out;
   char *out_save;
   while (*in == ' ') in = CharNext(in);
-  if (in[0] == '\\' && in[1] == '\\' && in[2] == '?' && in[3] == '\\') {
+  if (in[0] == '\\' && in[1] == '\\' && in[2] == '?' && in[3] == '\\')
+  {
     // at least four bytes
     in += 4;
   }
-  if (*in) {
+  if (*in)
+  {
     // at least two bytes
     if (validpathspec(in)) in += 2;
   }
   out = out_save = in;
-  while (*(char*)&cur_char = *in) {
-    if (cur_char > 31 && !mystrstri(nono, (char*)&cur_char)) {
+  while (*in)
+  {
+    if (*in > 31 && !*findchar(nono, *in))
+    {
       mini_memcpy(out, in, CharNext(in) - in);
       out = CharNext(out);
     }
     in = CharNext(in);
   }
   *out = 0;
-  do {
+  do
+  {
     out = CharPrev(out_save, out);
     if (*out == ' ' || *out == '\\')
       *out = 0;

Source/exehead/util.h

@@ -60,6 +60,7 @@ int NSISCALL validpathspec(char *ubuf);
 char * NSISCALL addtrailingslash(char *str);
 //char NSISCALL lastchar(const char *str);
 #define lastchar(str) *CharPrev(str,str+mystrlen(str))
+char * NSISCALL findchar(char *str, char c);
 void NSISCALL trimslashtoend(char *buf);
 char * NSISCALL skip_root(char *path);
 int NSISCALL is_valid_instpath(char *s);