X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fcc65%2Fincpath.c;h=fdbca2a078e4b768334bca85e16d998a9f99aea0;hb=7aefd9b4e7b67908b7b3c38b6003c7f1a8d3ee2d;hp=0349c253da293475719596579fce00896c7333bc;hpb=114bc5a3706c91758583df69e87507efee23806f;p=cc65

diff --git a/src/cc65/incpath.c b/src/cc65/incpath.c
index 0349c253d..fdbca2a07 100644
--- a/src/cc65/incpath.c
+++ b/src/cc65/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       */
@@ -33,157 +33,58 @@
 
 
 
-#include <stdio.h>
-#include <string.h>
-#if defined(_MSC_VER)
-/* Microsoft compiler */
-#  include <io.h>
-#  define R_OK	4
-#else
-/* Anyone else */
-#  include <unistd.h>
-#endif
-
-#include "mem.h"
+/* cc65 */
 #include "incpath.h"
 
 
 
 /*****************************************************************************/
-/*	      	     		     Data		     		     */
+/*     	       	     		     Data		     		     */
 /*****************************************************************************/
 
 
 
-static char* SysIncludePath  = 0;
-static char* UserIncludePath = 0;
+SearchPath*     SysIncSearchPath;       /* System include path */
+SearchPath*     UsrIncSearchPath;       /* User include path */
 
 
 
 /*****************************************************************************/
-/*	      	     	      	     Code		     		     */
+/*    	      	     	      	     Code		     		     */
 /*****************************************************************************/
 
 
 
-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 (SysIncSearchPath);
+    ForgetSearchPath (UsrIncSearchPath);
 }
 
 
 
-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 xstrdup (PathName);
-	}
-
-	/* Skip a list separator if we have one */
-	if (*P == ';') {
-	    ++P;
-	}
-    }
-
-    /* Not found */
-    return 0;
-}
-
-
+    /* Create the search path lists */
+    SysIncSearchPath = NewSearchPath ();
+    UsrIncSearchPath = NewSearchPath ();
 
-void AddIncludePath (const char* NewPath, unsigned Where)
-/* Add a new include path to the existing one */
-{
-    /* Allow a NULL path */
-    if (NewPath) {
-     	if (Where & INC_SYS) {
-     	    SysIncludePath = Add (SysIncludePath, NewPath);
-     	}
-     	if (Where & INC_USER) {
-     	    UserIncludePath = Add (UserIncludePath, NewPath);
-     	}
-    }
-}
+    /* Add the current path to the user search path list */
+    AddSearchPath (UsrIncSearchPath, "");
 
+    /* Add some compiled in search paths if defined at compile time */
+#ifdef CC65_INC
+    AddSearchPath (SysIncSearchPath, CC65_INC);
+#endif
 
+    /* Add specific paths from the environment */
+    AddSearchPathFromEnv (SysIncSearchPath, "CC65_INC");
+    AddSearchPathFromEnv (UsrIncSearchPath, "CC65_INC");
 
-char* FindInclude (const char* Name, unsigned Where)
-/* Find an include file. Return a pointer to a malloced area that contains
- * the complete path, if found, return 0 otherwise.
- */
-{
-    if (Where & INC_SYS) {
-	/* Search in the system include directories */
-	return Find (SysIncludePath, Name);
-    }
-    if (Where & INC_USER) {
-	/* Search in the user include directories */
-	return Find (UserIncludePath, Name);
-    }
-    return 0;
+    /* Add paths relative to a main directory defined in an env var */
+    AddSubSearchPathFromEnv (SysIncSearchPath, "CC65_HOME", "include");
 }