gcode-interpreter

commit 3a71b23e11df84aa6a8a9121e111e1431f7af8bf
parent 3f4d63ea58373d2f6ffa194d5178ce52a7e5b994
Author: Christian Ermann <christianermann@gmail.com>
Date:   Tue, 22 Oct 2024 23:32:14 -0700

Make input file a command line argument

Diffstat:
M
Makefile
 | 
2
+-
M
src/main.c
 | 
11
+++++++----

2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
@@ -2,7 +2,7 @@ all:
 	gcc src/* -Iinclude -lm -o gcode-interpreter
 
 run: all
-	./gcode-interpreter
+	./gcode-interpreter CE3E3V2_3DBenchy.gcode
 
 .PHONY: clean
 clean:
diff --git a/src/main.c b/src/main.c
@@ -123,18 +123,21 @@ int main(int argc, char** argv) {
     freopen("error.log", "w", stderr);
     initialize_terminal();
 
-    const char* filename = "CE3E3V2_3DBenchy.gcode";
+    if (argc < 2) {
+        fprintf(stderr, "! []: input filename must be provided.\n");
+        return -1;
+    }
 
-    FILE* file = fopen(filename, "r");
+    FILE* file = fopen(argv[1], "r");
     if (file == NULL) {
-        fprintf(stderr, "! [%s]: %s\n", filename, strerror(errno));
+        fprintf(stderr, "! [%s]: %s\n", argv[1], strerror(errno));
         return -1;
     }
 
     const char* output_filename = "out";
     FILE* output_file = fopen(output_filename, "w");
     if (output_file == NULL) {
-        fprintf(stderr, "! [%s]: %s\n", filename, strerror(errno));
+        fprintf(stderr, "! [%s]: %s\n", output_filename, strerror(errno));
         return -1;
     }