commit c704742

Add message printing mechanisms for debugging/errors

 1@@ -35,6 +35,11 @@ FINAL_CFLAGS += -Werror=implicit-function-declaration -Werror=implicit-int \
 2                 -Werror=pointer-sign -Werror=pointer-arith \
 3                 -Wall -Wno-missing-braces
 4 
 5+ifeq ($(ENABLE_DEBUG),1)
 6+    FINAL_CPPFLAGS += -DENABLE_DEBUG=1
 7+    FINAL_CFLAGS += -g
 8+endif
 9+
10 compile     = $(call quiet,CC) $(FINAL_CPPFLAGS) $(FINAL_CFLAGS) -I . -c -o $@ $< \
11               -MMD -MP -MF .deps/$(basename $<).d -MT $(basename $@).o -MT $(basename $@).lo
12 link        = $(call quiet,CCLD,$(CC)) $(FINAL_CFLAGS) -o $@ $^

 1@@ -8,10 +8,12 @@ PKGCONFIGDIR    = $(LIBDIR)/pkgconfig
 2 
 3 CC              = gcc
 4 CPPFLAGS        = -D_GNU_SOURCE # Required for mkostemp
 5-CFLAGS          = -pipe -g
 6+CFLAGS          = -pipe
 7 PKG_CONFIG      ?= pkg-config
 8 WAYLAND_SCANNER ?= wayland-scanner
 9 
10+ENABLE_DEBUG    = 1
11+
12 ENABLE_STATIC   = 1
13 ENABLE_SHARED   = 1
14 ENABLE_XWAYLAND = 1

 1@@ -2,6 +2,7 @@
 2 #define SWC_UTIL_H
 3 
 4 #include <stdlib.h>
 5+#include <stdio.h>
 6 #include <stdbool.h>
 7 #include <string.h>
 8 #include <sys/time.h>
 9@@ -11,6 +12,27 @@
10 
11 #define EXPORT __attribute__((visibility("default")))
12 
13+#if ENABLE_DEBUG
14+# define MESSAGE_SOURCE \
15+    fprintf(stderr, "[swc:%s:%d] ", __FILE__, __LINE__);
16+#else
17+# define MESSAGE_SOURCE
18+#endif
19+
20+#define MESSAGE(type, format, ...) \
21+    do { MESSAGE_SOURCE                                         \
22+         fprintf(stderr, type ": " format, ## __VA_ARGS__); }   \
23+    while (false)
24+
25+#define WARNING(format, ...)    MESSAGE("WARNING", format, ## __VA_ARGS__)
26+#define ERROR(format, ...)      MESSAGE("ERROR", format, ## __VA_ARGS__)
27+
28+#if ENABLE_DEBUG
29+# define DEBUG(format, ...)     MESSAGE("DEBUG", format, ## __VA_ARGS__)
30+#else
31+# define DEBUG(format, ...)
32+#endif
33+
34 #ifdef offsetof
35 # define OFFSET_OF offsetof
36 #else