AppFS
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Comment:Use an environment variable to control debug logging at runtime
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SHA1: 2374e0de64652899c7dfde27cc3b33225640ccb3
User & Date: rkeene on 2020-05-15 01:25:49
Other Links: manifest | tags
Context
2020-06-28
02:42
Added basic QEMU demo check-in: a39441abc1 user: rkeene tags: trunk
2020-05-15
01:25
Use an environment variable to control debug logging at runtime check-in: 2374e0de64 user: rkeene tags: trunk
2020-05-12
18:10
Added script to do post-release upload to Fossil check-in: fbe84a64fb user: rkeene tags: trunk
Changes
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Modified Makefile from [ac8f648957] to [bc273ac36f]. 

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APPFS_VERSION  = 1.14
CC             = gcc
PKG_CONFIG     = pkg-config
FUSE_CFLAGS    = $(shell $(PKG_CONFIG) --cflags fuse)
CFLAGS_DEBUG   = -Wall -g3 -ggdb3 -DDEBUG=1 -UNDEBUG -O0 -DAPPFS_EXIT_PATH=1 -DAPPFS_DEBUG_FD=stderr
CFLAGS_DEBUG   = -Wall -g3 -ggdb3 -DDEBUG=1 -UNDEBUG -O0 -DAPPFS_EXIT_PATH=1
CFLAGS_RELEASE = -Wall -UDEBUG -DNDEBUG=1 -O3
ifneq ($(APPFS_DEBUG_BUILD),1)
CFLAGS         += $(FUSE_CFLAGS) $(TCL_CFLAGS) $(CFLAGS_RELEASE)
else
CFLAGS         += $(FUSE_CFLAGS) $(TCL_CFLAGS) $(CFLAGS_DEBUG)
endif
LDFLAGS        += $(TCL_LDFLAGS)
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Modified appfsd.c from [b81dc3008d] to [4ff2357fbb].

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#ifndef APPFS_CACHEDIR
#define APPFS_CACHEDIR "/var/cache/appfs"
#endif

/* Debugging macros */
#ifdef DEBUG
FILE *appfs_debug_fd = NULL;

#ifndef APPFS_DEBUG_FD
#  ifdef APPFS_DEBUG_FILE
#    define APPFS_DEBUG_FD fopen(APPFS_DEBUG_FILE, "a")
#  else
#    define APPFS_DEBUG_FD fopen("/tmp/appfsd.log", "a")
#  endif
#endif

#define APPFS_DEBUG(x...) { \
	char buf[8192]; \
	int bufoff = 0; \
	char *appfs_debug_file = NULL; \
	if (appfs_debug_fd == NULL) { \
		appfs_debug_file = getenv("APPFS_DEBUG_FILE"); \
		if (appfs_debug_file == NULL) { \
			appfs_debug_file = "stderr"; \
		}; \
		if (strcmp(appfs_debug_file, "stderr") == 0) { \
		appfs_debug_fd = APPFS_DEBUG_FD; \
			appfs_debug_fd = stderr; \
		} else { \
			appfs_debug_fd = fopen(appfs_debug_file, "a"); \
		}; \
	}; \
	if (appfs_debug_fd == NULL) { appfs_debug_fd = stderr; } \
	bufoff = snprintf(buf, sizeof(buf), "[debug] [t=%llx] %s:%i:%s: ", (unsigned long long) pthread_self(), __FILE__, __LINE__, __func__); \
	if (bufoff < sizeof(buf)) { \
		bufoff += snprintf(buf + bufoff, sizeof(buf) - bufoff, x); \
	}; \
	if (bufoff < sizeof(buf)) { \
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