Finished implemenation of commands to delete macros. Added the new commands to

[cc65] / src / ca65 / incpath.c

diff --git a/src/ca65/incpath.c b/src/ca65/incpath.c
index ed1f793869812bb22bcbb0dbcdef4bc8e38d57a6..59749d8d234ad59dee2699e78c748f077fb304a2 100644 (file)
--- a/src/ca65/incpath.c
+++ b/src/ca65/incpath.c
@@ -6,10 +6,10 @@
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
-/* (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       */
@@ -33,22 +33,19 @@
 
 
 
-#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 */
 
 
 
@@ -58,113 +55,36 @@ static char* IncludePath  = 0;
 
 
 
-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;
-    unsigned Count;
-    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 */
-       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");
 }