Changeset 26 for branches/1.0/src/utils.c

Timestamp:

Apr 19, 2010, 5:34:31 PM (15 years ago)

Author:

diver

Message:

major rework

File:

• branches/1.0/src/utils.c (modified) (2 diffs)

branches/1.0/src/utils.c

@@ -1 @@
-#include    <os2.h>
+#include    "uni.h"
 
 #include    <stdlib.h>
@@ -100 +100 @@
 }
 
+/* Alex Taylor's new version of lprtok() that can handle missing fields */
+char * lprtok (char *string,char *control)
+{
+        char *c;
+        static char *next;
+
+        if ( control == NULL ) return string;
+        if ( string  == NULL ) string = next;
+        if ( string  == NULL ) return NULL;
+
+        if (( c = strpbrk( string, control )) == NULL ) {
+                next = NULL;
+        }
+        else {
+                next = c+1;
+                *c = '\0';
+        }
+
+        return ( string );
+}
+
+ULONG CalcStructLength ( HAB hab, HMODULE hModule, USHORT usID )
+{
+        ULONG cbRequired;
+        CHAR  chString[STR_LEN_PORTDESC];
+
+        cbRequired = 0;
+
+        WinLoadString(hab, hModule, usID, STR_LEN_PORTDESC, chString);
+        cbRequired += strlen (chString) + 1;
+        WinLoadString(hab, hModule, (USHORT)(usID + 1), STR_LEN_PORTDESC, chString);
+        cbRequired += strlen (chString) + 1;
+        cbRequired += sizeof (PORTNAMES);
+        return(cbRequired);
+}
+
+ULONG CalcBufLength ( HAB hab, HMODULE hModule )
+{
+        ULONG  cbRequired;
+        USHORT usID;
+
+        cbRequired = 0;
+
+                /*
+                ** calculate length required to fit all the port info.
+                */
+        for (usID = PORT_ID_FIRST; usID <= PORT_ID_LAST; usID += 2)
+        {
+                cbRequired += CalcStructLength (hab, hModule, usID);
+        }
+
+        return(cbRequired);
+}
+
+ULONG NumPortsCanFit ( HAB hab, HMODULE hModule, ULONG cbBuf )
+{
+        ULONG  cbRequired;
+        USHORT usID;
+        ULONG  ulNumPort;
+
+        cbRequired = 0;
+        ulNumPort = 0;
+
+                /*
+                ** calculate how many ports we can fit in buf.
+                */
+        for (usID = PORT_ID_FIRST; usID <= PORT_ID_LAST; usID += 2)
+        {
+                cbRequired += CalcStructLength (hab, hModule, usID);
+                if (cbRequired > cbBuf)
+                {
+                return(ulNumPort);
+                }
+                ulNumPort++;
+        }
+
+        return(ulNumPort);
+}
+VOID CopyStruct ( HAB hab, HMODULE hModule, USHORT usID, PCH pBuf, PULONG pulBeginStruct, PULONG pulBeginText )
+{
+        PPORTNAMES pPortNames;
+
+        pPortNames = (PPORTNAMES)(pBuf + *pulBeginStruct);
+        *pulBeginStruct += sizeof (PORTNAMES);
+
+                /*
+                ** copy port name in the structure
+                */
+        pPortNames->pszPortName = pBuf + *pulBeginText;
+        WinLoadString(hab, hModule, usID, STR_LEN_PORTDESC, pPortNames->pszPortName);
+        *pulBeginText += strlen (pPortNames->pszPortName) + 1;
+
+                /*
+                ** copy port description to the structure
+                */
+        pPortNames->pszPortDesc = pBuf + *pulBeginText;
+        WinLoadString(hab, hModule, usID, STR_LEN_PORTDESC, pPortNames->pszPortDesc);
+        *pulBeginText += strlen (pPortNames->pszPortDesc) + 1;
+}
+VOID  CopyNPorts ( HAB hab, HMODULE hModule, PCH pBuf, ULONG ulReturned )
+{
+        USHORT usID;
+        ULONG  ulBeginText;
+        ULONG  ulBeginStruct;
+
+        ulBeginText = ulReturned * sizeof (PORTNAMES);
+        ulBeginStruct = 0;
+
+        for (usID = PORT_ID_FIRST;
+                usID <= PORT_ID_LAST && ulReturned;
+                usID += 2, --ulReturned)
+        {
+                CopyStruct (hab, hModule, usID, pBuf, &ulBeginStruct, &ulBeginText);
+        }
+}
+
+BOOL GetPortDescription ( HAB hab, HMODULE hModule, PSZ pszPortName, PSZ pszPortDesc )
+{
+        USHORT usID;
+        CHAR   chBuf[STR_LEN_PORTDESC] = {0};
+
+        for (usID = PORT_ID_FIRST; usID <= PORT_ID_LAST; usID += 2)
+        {
+                WinLoadString(hab, hModule, usID, STR_LEN_PORTNAME, chBuf);
+                if (!strcmp (pszPortName, chBuf))
+                {
+                if ( WinLoadString(hab, hModule, usID+1, STR_LEN_PORTDESC, chBuf) ) {
+                        strcpy (pszPortDesc, chBuf);
+                        return(TRUE);
+                }
+                break;
+                }
+        }
+        return(FALSE);
+}
+
+BOOL  GenerateUniquePortName( PSZ pszPortName )
+{
+        BOOL   fPortExists;
+        PSZ    pszEndPortName;
+        USHORT i;
+        CHAR   chPortData[STR_LEN_PORTNAME];
+
+        /*
+        ** Generate a unique port name by adding numbers to the
+        **   end of pszPortName
+        */
+        pszEndPortName = pszPortName + strlen( pszPortName );
+        i = 1;
+        fPortExists = TRUE;
+        while ( (i < MAX_PORTS) && fPortExists )
+        {
+                _itoa( i, pszEndPortName, 4);
+                fPortExists = PrfQueryProfileString (HINI_SYSTEMPROFILE,
+                                                                                        APPNAME_PM_SPOOLER_PORT,
+                                                                                        pszPortName,
+                                                                                        NULL,
+                                                                                        chPortData,
+                                                                                        sizeof(chPortData) - 1);
+                i++;
+        }
+        return(!fPortExists);
+}
+