Version bump for last commit.

[rmac] / rmac.c

diff --git a/rmac.c b/rmac.c
index 933da5f2bdfa2e07c9321591aacf5b2d5adeef13..ef190ec0fc959434839d45cfb8a7a2c34ab89f46 100644 (file)
--- a/rmac.c
+++ b/rmac.c
@@ -1,7 +1,7 @@
 //
-// RMAC - Reboot's Macro Assembler for all Atari computers
+// RMAC - Renamed Macro Assembler for all Atari computers
 // RMAC.C - Main Application Code
-// Copyright (C) 199x Landon Dyer, 2011-2020 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2021 Reboot and Friends
 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
 // Source utilised with the kind permission of Landon Dyer
 //
@@ -50,6 +50,7 @@ int endian;                                           // Host processor endianess (0 = LE, 1 = BE)
 char * objfname;                               // Object filename pointer
 char * firstfname;                             // First source filename
 char * cmdlnexec;                              // Executable name, pointer to ARGV[0]
+char searchpatha[512] = { 0 }; // Buffer to hold searchpath when specified
 char * searchpath = NULL;              // Search path for include files
 char defname[] = "noname.o";   // Default output filename
 int optim_flags[OPT_COUNT];            // Specific optimisations on/off matrix
@@ -100,6 +101,17 @@ char * fext(char * name, char * extension, int stripp)
        return name;
 }
 
+static int is_sep(char c)
+{
+    const char *seps = PATH_SEPS;
+
+    for (seps = PATH_SEPS; *seps; seps++) {
+        if (*seps == c)
+            return 1;
+    }
+
+    return 0;
+}
 
 //
 // Return 'item'nth element of semicolon-seperated pathnames specified in the
@@ -119,13 +131,13 @@ int nthpath(char * env_var, int itemno, char * buf)
                return 0;
 
        while (itemno--)
-               while (*s != EOS && *s++ != ';')
+               while (*s != EOS && !is_sep(*s++))
                        ;
 
        if (*s == EOS)
                return 0;
 
-       while (*s != EOS && *s != ';')
+       while (*s != EOS && !is_sep(*s))
                *buf++ = *s++;
 
        *buf++ = EOS;
@@ -163,17 +175,17 @@ void DisplayHelp(void)
                "  -o file           Output file name\n"
                "  +o[value]         Turn a specific optimisation on\n"
                "                    Available optimisation values and default settings:\n"
-               "                    o0: Absolute long addresses to word                      (on)\n"
-               "                    o1: move.l #x,dn/an to moveq                             (on)\n"
-               "                    o2: Word branches to short                               (on)\n"
-               "                    o3: Outer displacement 0(an) to (an)                     (off)\n"
-               "                    o4: lea size(An),An to addq #size,An                     (off)\n"
-               "                    o5: 68020+ Absolute long base/outer displacement to word (off)\n"
-               "                    o6: Null branches to NOP                                 (off)\n"
-               "                    o7: clr.l Dx to moveq #0,Dx                              (off)\n"
-               "                    o8: adda.w/l #x,Dy to addq.w/l #x,Dy                     (off)\n"
-               "                    o9: adda.w/l #x,Dy to lea x(Dy),Dy                       (off)\n"
-               "                    op: Enforce PC relative                                  (off)\n"
+               "                    o0: Absolute long addresses to word               (on)\n"
+               "                    o1: move.l #x,dn/an to moveq                      (on)\n"
+               "                    o2: Word branches to short                        (on)\n"
+               "                    o3: Outer displacement 0(an) to (an)              (off)\n"
+               "                    o4: lea size(An),An to addq #size,An              (off)\n"
+               "                    o5: 68020+ Absolute long base/outer disp. to word (off)\n"
+               "                    o6: Null branches to NOP                          (off)\n"
+               "                    o7: clr.l Dx to moveq #0,Dx                       (off)\n"
+               "                    o8: adda.w/l #x,Dy to addq.w/l #x,Dy              (off)\n"
+               "                    o9: adda.w/l #x,Dy to lea x(Dy),Dy                (off)\n"
+               "                    op: Enforce PC relative                           (off)\n"
                "  ~o[value]         Turn a specific optimisation off\n"
                "  +oall             Turn all optimisations on\n"
                "  ~oall             Turn all optimisations off\n"
@@ -206,8 +218,8 @@ void DisplayVersion(void)
                "| '__| '_ ` _ \\ / _` |/ __|\n"
                "| |  | | | | | | (_| | (__ \n"
                "|_|  |_| |_| |_|\\__,_|\\___|\n"
-               "\nReboot's Macro Assembler\n"
-               "Copyright (C) 199x Landon Dyer, 2011-2020 Reboot\n"
+               "\nRenamed Macro Assembler\n"
+               "Copyright (C) 199x Landon Dyer, 2011-2021 Reboot and Friends\n"
                "V%01i.%01i.%01i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM);
 }
 
@@ -284,6 +296,7 @@ int Process(int argc, char ** argv)
        int fd;                                                 // File descriptor
        char fnbuf[FNSIZ];                              // Filename buffer
        int i;                                                  // Iterator
+       int current_path_index = 0;             // Iterator for search paths
 
        errcnt = 0;                                             // Initialize error count
        listing = 0;                                    // Initialize listing level
@@ -293,7 +306,6 @@ int Process(int argc, char ** argv)
        glob_flag = 0;                                  // Initialize .globl flag
        optim_warn_flag = 0;                    // Initialize short branch flag
        debug = 0;                                              // Initialize debug flag
-       searchpath = NULL;                              // Initialize search path
        objfname = NULL;                                // Initialize object filename
        list_fname = NULL;                              // Initialize listing filename
        err_fname = NULL;                               // Initialize error filename
@@ -410,23 +422,31 @@ int Process(int argc, char ** argv)
                        case 'i':                               // Set directory search path
                        case 'I':
                        {
-                               searchpath = argv[argno] + 2;
+                               strcat(searchpatha, argv[argno] + 2);
+                               strcat(searchpatha, ";");
+                               searchpath = searchpatha;
 
                                // Check to see if include paths actually exist
-                               if (strlen(searchpath) > 0)
-                               {
-                                       DIR * test = opendir(searchpath);
+                               char current_path[256];
 
-                                       if (test == NULL)
+                               for(i=current_path_index; nthpath("RMACPATH", i, current_path)!=0; i++)
+                               {
+                                       if (strlen(current_path) > 0)
                                        {
-                                               printf("Invalid include path: %s\n", searchpath);
-                                               errcnt++;
-                                               return errcnt;
-                                       }
+                                               DIR * test = opendir(current_path);
 
-                                       closedir(test);
+                                               if (test == NULL)
+                                               {
+                                                       printf("Invalid include path: %s\n", current_path);
+                                                       errcnt++;
+                                                       return errcnt;
+                                               }
+
+                                               closedir(test);
+                                       }
                                }
 
+                               current_path_index = i - 1;
                                break;
                        }
                        case 'l':                               // Produce listing file