From 04d28a7555405a15b3e93de769510b18c4a58c62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Thu, 31 May 2018 09:37:04 +0200
Subject: Send informational messages to stderr rather than the output when
 used in non-interactive mode

---
 src/macros.h |  2 ++
 src/pipe.c   | 10 +++++-----
 src/tui.c    | 12 ++++++++++--
 3 files changed, 17 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/macros.h b/src/macros.h
index 3bb1afa..486c846 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -103,10 +103,12 @@
 #define CELL_NEGATIVE     17
 #define DEFAULT           18
 #define DEBUG_MSG         19
+#define VALUE_MSG         20
 
 void ui_sc_msg(char * s, int type, ...);
 #define sc_error(x, ...)     ui_sc_msg(x, ERROR_MSG, ##__VA_ARGS__)
 #define sc_debug(x, ...)     ui_sc_msg(x, DEBUG_MSG, ##__VA_ARGS__)
 #define sc_info(x, ...)      ui_sc_msg(x, INFO_MSG, ##__VA_ARGS__)
+#define sc_value(x, ...)     ui_sc_msg(x, VALUE_MSG, ##__VA_ARGS__)
 
 #define RUNTIME ((current_tv.tv_sec - startup_tv.tv_sec) * 1000L + (current_tv.tv_usec - startup_tv.tv_usec) / 1000L)
diff --git a/src/pipe.c b/src/pipe.c
index 5ae89c2..30c2417 100644
--- a/src/pipe.c
+++ b/src/pipe.c
@@ -83,7 +83,7 @@ void getnum(int r0, int c0, int rn, int cn, FILE * fd) {
                     sprintf(line, "%.15g", p->v);
                 }
             }
-            sc_info("%s", line);
+            sc_value("%s", line);
             if (brokenpipe) {
                 linelim = -1;
                 return;
@@ -106,7 +106,7 @@ void getnum(int r0, int c0, int rn, int cn, FILE * fd) {
 void getformat(int col, FILE * fd) {
     sprintf(line, "%d %d %d\n", fwidth[col], precision[col], realfmt[col]);
     //write(fd, line, strlen(line));
-    sc_info("%s", line);
+    sc_value("%s", line);
     linelim = -1;
 }
 
@@ -130,7 +130,7 @@ void getfmt(int r0, int c0, int rn, int cn, FILE * fd) {
         for (c = c0, pp = ATBL(tbl, r, c); c <= cn; pp++, c++) {
             *line = '\0';
             if (*pp && (*pp)->format) sprintf(line, "%s", (*pp)->format);
-            sc_info("%s", line);
+            sc_value("%s", line);
             if (brokenpipe) {
                 linelim = -1;
                 return;
@@ -161,7 +161,7 @@ void getstring(int r0, int c0, int rn, int cn, FILE * fd) {
             *line = '\0';
             if (*pp && (*pp)->label)
                 sprintf(line, "%s", (*pp)->label);
-            sc_info("%s", line);
+            sc_value("%s", line);
             if (brokenpipe) {
                 linelim = -1;
                 return;
@@ -199,7 +199,7 @@ void getexp(int r0, int c0, int rn, int cn, FILE * fd) {
                 if (*line == '?')
                     *line = '\0';
             }
-            sc_info("%s", line);
+            sc_value("%s", line);
             if (brokenpipe) {
                 linelim = -1;
                 return;
diff --git a/src/tui.c b/src/tui.c
index 737eb40..81998cd 100644
--- a/src/tui.c
+++ b/src/tui.c
@@ -239,9 +239,9 @@ void ui_sc_msg(char * s, int type, ...) {
         }
         wrefresh(input_win);
 
-    } else if (get_conf_value("output") != NULL && fdoutput != NULL) {
+    } else if (type == VALUE_MSG && get_conf_value("output") != NULL && fdoutput != NULL) {
         fwprintf(fdoutput, L"%s\n", t);
-    } else {
+    } else if (type == VALUE_MSG) {
         if (fwide(stdout, 0) >0)
             //wprintf(L"wide %s\n", t);
             wprintf(L"%s\n", t);
@@ -249,6 +249,14 @@ void ui_sc_msg(char * s, int type, ...) {
             //printf("nowide %s\n", t);
             printf("%s\n", t);
         fflush(stdout);
+    } else {
+        if (fwide(stderr, 0) >0)
+            //wprintf(L"wide %s\n", t);
+            fwprintf(stderr, L"%s\n", t);
+        else
+            //printf("nowide %s\n", t);
+            fprintf(stderr, "%s\n", t);
+        fflush(stderr);
     }
     va_end(args);
     return;
-- 
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