/* */
/* */
/* */
-/* (C) 2000 Ullrich von Bassewitz */
-/* Wacholderweg 14 */
-/* D-70597 Stuttgart */
-/* EMail: uz@musoftware.de */
+/* (C) 2000-2010, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "mem.h"
+/* ca65 */
#include "incpath.h"
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
-static char* IncludePath = 0;
+SearchPath* IncSearchPath; /* Standard include path */
+SearchPath* BinSearchPath; /* Binary include path */
-static char* Add (char* Orig, const char* New)
-/* Create a new path from Orig and New, delete Orig, return the result */
+void ForgetAllIncludePaths (void)
+/* Remove all include search paths. */
{
- unsigned OrigLen, NewLen;
- char* NewPath;
-
- /* Get the length of the original string */
- OrigLen = Orig? strlen (Orig) : 0;
-
- /* Get the length of the new path */
- NewLen = strlen (New);
-
- /* Check for a trailing path separator and remove it */
- if (NewLen > 0 && (New [NewLen-1] == '\\' || New [NewLen-1] == '/')) {
- --NewLen;
- }
-
- /* Allocate memory for the new string */
- NewPath = Xmalloc (OrigLen + NewLen + 2);
-
- /* Copy the strings */
- memcpy (NewPath, Orig, OrigLen);
- memcpy (NewPath+OrigLen, New, NewLen);
- NewPath [OrigLen+NewLen+0] = ';';
- NewPath [OrigLen+NewLen+1] = '\0';
-
- /* Delete the original path */
- Xfree (Orig);
-
- /* Return the new path */
- return NewPath;
+ ForgetSearchPath (IncSearchPath);
+ ForgetSearchPath (BinSearchPath);
}
-static char* Find (const char* Path, const char* File)
-/* Search for a file in a list of directories. If found, return the complete
- * name including the path in a malloced data area, if not found, return 0.
- */
+void InitIncludePaths (void)
+/* Initialize the include path search list */
{
- const char* P;
- int Max;
- char PathName [FILENAME_MAX];
-
- /* Initialize variables */
- Max = sizeof (PathName) - strlen (File) - 2;
- if (Max < 0) {
- return 0;
- }
- P = Path;
-
- /* Handle a NULL pointer as replacement for an empty string */
- if (P == 0) {
- P = "";
- }
-
- /* Start the search */
- while (*P) {
- /* Copy the next path element into the buffer */
- int Count = 0;
- while (*P != '\0' && *P != ';' && Count < Max) {
- PathName [Count++] = *P++;
- }
-
- /* Add a path separator and the filename */
- if (Count) {
- PathName [Count++] = '/';
- }
- strcpy (PathName + Count, File);
-
- /* Check if this file exists */
- if (access (PathName, R_OK) == 0) {
- /* The file exists */
- return StrDup (PathName);
- }
-
- /* Skip a list separator if we have one */
- if (*P == ';') {
- ++P;
- }
- }
-
- /* Not found */
- return 0;
-}
+ /* Create the search path lists */
+ IncSearchPath = NewSearchPath ();
+ BinSearchPath = NewSearchPath ();
+ /* Add the current directory to the search paths */
+ AddSearchPath (IncSearchPath, "");
+ AddSearchPath (BinSearchPath, "");
+ /* Add some compiled in search paths if defined at compile time */
+#ifdef CA65_INC
+ AddSearchPath (IncSearchPath, CA65_INC);
+#endif
-void AddIncludePath (const char* NewPath)
-/* Add a new include path to the existing one */
-{
- /* Allow a NULL path */
- if (NewPath) {
- IncludePath = Add (IncludePath, NewPath);
- }
-}
+ /* Add specific paths from the environment */
+ AddSearchPathFromEnv (IncSearchPath, "CA65_INC");
-
-
-char* FindInclude (const char* Name)
-/* Find an include file. Return a pointer to a malloced area that contains
- * the complete path, if found, return 0 otherwise.
- */
-{
- /* Search in the include directories */
- return Find (IncludePath, Name);
+ /* Add paths relative to a main directory defined in an env var */
+ AddSubSearchPathFromEnv (IncSearchPath, "CC65_HOME", "asminc");
}