Better ANSI C compatibility and portability - part 1:

+ Addition of function prototypes.
+ Change function definitions to ANSI C style.
+ Convert to sed scripts some shell scripts for better portability.
+ Reduce usage of em_path.h (TMPDIR is no longer hard coded)

modules/src/em_mes/CMakeLists.txt

@@ -0,0 +1,37 @@
+cmake_minimum_required (VERSION 3.0)
+project(em_mes)
+
+
+set(SRC_C
+ C_ms_com.c
+ C_ms_ego.c
+ C_ms_emx.c
+ C_ms_err.c
+ C_ms_flt.c
+ C_ms_gto.c
+ C_ms_opt.c
+ C_ms_par.c
+ C_ms_reg.c
+ C_ms_src.c
+ C_ms_stb.c
+ C_ms_std.c
+)
+
+set(INCLUDE_DIRS
+ .
+)
+
+
+add_library(${PROJECT_NAME} ${SRC_C})
+target_compile_definitions(${PROJECT_NAME} PUBLIC NORCSID=1)
+target_include_directories(${PROJECT_NAME} PUBLIC ${INCLUDE_DIRS})
+
+target_link_libraries(${PROJECT_NAME} emheaders emh emk em_data)
+
+install(TARGETS ${PROJECT_NAME} 
+        RUNTIME DESTINATION bin
+        LIBRARY DESTINATION lib
+        ARCHIVE DESTINATION lib
+        PUBLIC_HEADER DESTINATION include
+)
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/em_mes.3 DESTINATION man OPTIONAL)

modules/src/em_mes/C_ms_com.c

@@ -6,12 +6,10 @@
  
 #include <stdlib.h>
 #include <string.h>
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_com(str)
-	char *str;
+void C_ms_com(char* str)
 {
 	C_mes_begin(ms_com);
 	C_scon(str, (arith) (strlen(str) + 1));

modules/src/em_mes/C_ms_ego.c

@@ -3,13 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_ego(hint, offs, siz, regno)
-	int hint, regno;
-	arith offs, siz;
+void C_ms_ego(int hint, arith offs, arith siz, int regno)
 {
 	C_mes_begin(ms_ego);
 	C_cst((arith)hint);

modules/src/em_mes/C_ms_emx.c

@@ -3,12 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_emx(wsiz, psiz)
-	arith wsiz, psiz;
+void C_ms_emx(arith wsiz, arith psiz)
 {
 	C_mes_begin(ms_emx);
 	C_cst(wsiz);

modules/src/em_mes/C_ms_err.c

@@ -3,11 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_err()
+void C_ms_err(void)
 {
 	C_mes_begin(ms_err);
 	C_mes_end();

modules/src/em_mes/C_ms_flt.c

@@ -3,11 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_flt()
+void C_ms_flt(void)
 {
 	C_mes_begin(ms_flt);
 	C_mes_end();

modules/src/em_mes/C_ms_gto.c

@@ -3,11 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_gto()
+void C_ms_gto(void)
 {
 	C_mes_begin(ms_gto);
 	C_mes_end();

modules/src/em_mes/C_ms_opt.c

@@ -3,11 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_opt()
+void C_ms_opt(void)
 {
 	C_mes_begin(ms_opt);
 	C_mes_end();

modules/src/em_mes/C_ms_par.c

@@ -3,12 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_par(nparams)
-	arith nparams;
+void C_ms_par(arith nparams)
 {
 	C_mes_begin(ms_par);
 	C_cst(nparams);

modules/src/em_mes/C_ms_reg.c

@@ -3,13 +3,10 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_reg(offs, siz, class, prior)
-	arith offs, siz;
-	int class, prior;
+void C_ms_reg(arith offs, arith siz, int class, int prior)
 {
 	C_mes_begin(ms_reg);
 	C_cst(offs);

modules/src/em_mes/C_ms_src.c

@@ -6,13 +6,10 @@
  
 #include <stdlib.h>
 #include <string.h>
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_src(nlines, filnam)
-	int nlines;
-	char *filnam;
+void C_ms_src(int nlines, char* filnam)
 {
 	C_mes_begin(ms_src);
 	C_cst((arith)nlines);

modules/src/em_mes/C_ms_stb.c

@@ -6,14 +6,10 @@
  
 #include <stdlib.h>
 #include <string.h>
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_stb_cst(s, e1, e2, e3)
-	char	*s;
-	int	e1, e2;
-	arith	e3;
+void C_ms_stb_cst(char* s, int e1, int e2, arith e3)
 {
 	C_mes_begin(ms_stb);
 	if (s) C_scon(s, (arith) (strlen(s)+1));

modules/src/em_mes/C_ms_std.c

@@ -6,14 +6,10 @@
  
 #include <stdlib.h>
 #include <string.h>
-#include <em.h>
-#include <em_mes.h>
+#include "em.h"
+#include "em_mes.h"
 
-void
-C_ms_std(s, e1, l)
-	char *s;
-	int e1;
-	int l;
+void C_ms_std(char* s, int e1, int l)
 {
 	C_mes_begin(ms_std);
 	if (s) C_scon(s, (arith) (strlen(s)+1));