From b54924b680861edd00c86bdc60a31e0738795b91 Mon Sep 17 00:00:00 2001
From: Bjoern Esswein <bjoern.esswein@gmail.com>
Date: Thu, 20 Feb 2020 20:11:36 +0100
Subject: [PATCH] added log.c sacanf.c and make dev
---
Makefile | 8 +++++++-
log.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
sscanf.c | 2 +-
3 files changed, 52 insertions(+), 2 deletions(-)
create mode 100644 log.c
diff --git a/Makefile b/Makefile
index aaacac0..6496bf2 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,9 @@ SOURCES = $(shell ls *.c 2> /dev/null | sed /sem.c/d | sed /jbuffer.c/d)
BINS = $(SOURCES:%.c=%)
OUT = bin
+# supported targets all clean dev
+# (dev sets -DDEV used in log.c)
+
# $@ := target name
# $^ := dependencie list
@@ -13,6 +16,9 @@ OUT = bin
all: $(OUT) $(BINS:%=$(OUT)/%) Zettel.html
+dev: CFLAGS += -DDEV
+dev: all
+
$(OUT):
mkdir -p $(OUT)
@@ -38,4 +44,4 @@ $(OUT)/sem.o: sem.h
clean:
rm -rf $(OUT) Zettel.html Readme.md
-.PHONY: all clean
+.PHONY: all clean dev
diff --git a/log.c b/log.c
new file mode 100644
index 0000000..b270b51
--- /dev/null
+++ b/log.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define DIE(msg) \
+ fprintf(stderr, "ERROR: %s:%s:%d: ", __FILE__, __func__, __LINE__); \
+ perror(msg); \
+ exit(EXIT_FAILURE);
+
+#define DIE_M(msg) \
+ fprintf(stderr, "ERROR: %s:%s:%d: ", __FILE__, __func__, __LINE__); \
+ fprintf(stderr, "%s\n", msg); \
+ exit(EXIT_FAILURE);
+
+#ifdef DEV
+
+#define WARN(msg) \
+ fprintf(stderr, "WARN: %s:%s:%d: ", __FILE__, __func__, __LINE__); \
+ perror(msg);
+
+#define WARN_M(msg) \
+ fprintf(stderr, "WARN: %s:%s:%d: ", __FILE__, __func__, __LINE__); \
+ fprintf(stderr, "%s\n", msg);
+
+
+/** debug info + perror goes to stderr to seperate from program output */
+#define INFO(msg) \
+ fprintf(stderr, "INFO: %s:%s:%d: ", __FILE__, __func__, __LINE__); \
+ perror(msg);
+
+/** debug info goes to stderr to seperate from program output */
+#define INFO_M(msg) \
+ fprintf(stderr, "INFO: %s:%s:%d: ", __FILE__, __func__, __LINE__); \
+ fprintf(stderr, "%s\n", msg);
+#else
+#define WARN(msg)
+#define WARN_M(msg)
+#define INFO(msg)
+#define INFO_M(msg)
+#endif
+
+int main() {
+ INFO("inf");
+ DIE_M("test");
+}
\ No newline at end of file
diff --git a/sscanf.c b/sscanf.c
index 855058f..64e7847 100644
--- a/sscanf.c
+++ b/sscanf.c
@@ -13,4 +13,4 @@ int main() {
if(res != 4) printf("err:%d\n", res);
printf("Host:%s\nPath:%s\n%s:%d\n", host, path, var, version);
-}
\ No newline at end of file
+}
--
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