renamed GNUmakefile back to Makefile and added a tool to help with tailing multiple files in a way that won't block if any run out of data

2 files changed, 28 insertions, 3 deletions

diff --git a/src/GNUmakefile b/src/Makefile
index 3a2c697..c02198f 100644
--- a/src/GNUmakefile
+++ b/src/Makefile
@@ -6,9 +6,12 @@ CFLAGS=-Wall -pedantic -std=c99 -DGRAPHICAL -ffast-math -I$(PREFIX)/include
 LDFLAGS=-L$(PREFIX)/lib
 
 #all: hackvr_headless hackvr_x11 hackvr_opengl slowcat ### when hackvr_opengl gets useful at all I'll start including it in default build.
-all: hackvr_headless hackvr_x11
+all: hackvr_headless hackvr_x11 slowcat nonblocktail
 # hackvr_fb hackvr_freeglut slowcat
 
+nonblocktail: LDLIBS=-lidc
+nonblocktail: nonblocktail.c
+
 hackvr_headless: LDLIBS=-lm -lidc
 hackvr_headless: hackvr_headless.o math.o physics.o
 
@@ -64,9 +67,10 @@ install: all
 	install hackvr $(PREFIX)/bin/hackvr
 	install hackvr_headless $(PREFIX)/bin/hackvr_headless
 	install hackvr_x11 $(PREFIX)/bin/hackvr_x11
-	install hackvr_fb $(PREFIX)/bin/hackvr_fb
-	install hackvr_freeglut $(PREFIX)/bin/hackvr_freeglut
 	install slowcat $(PREFIX)/bin/slowcat
+	install nonblocktail $(PREFIX)/bin/nonblocktail
+#	install hackvr_fb $(PREFIX)/bin/hackvr_fb
+#	install hackvr_freeglut $(PREFIX)/bin/hackvr_freeglut
 
 uninstall:
 	rm $(PREFIX)/bin/hackvr
diff --git a/src/nonblocktail.c b/src/nonblocktail.c
new file mode 100644
index 0000000..8b99e64
--- /dev/null
+++ b/src/nonblocktail.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <idc.h>
+#include <fcntl.h>
+
+extern struct idc_global idc;
+
+void handler(struct shit *me,char *line) {
+  if(!line) return;
+  if(line) printf("%s\n",line);
+}
+
+int main(int argc,char *argv[]) {
+  int i;
+  for(i=0;i<100;i++) {
+    idc.fds[i].fd=-1;
+  }
+  for(argv++,argc--;argc;argc--,argv++) {
+    idc.fds[add_fd(open(*argv,O_RDONLY),handler)].keep_open=1;
+  }
+  select_on_everything();
+}