add some missing stats and logging

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@11039 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CCache/ccache.c

@@ -125,6 +125,7 @@ static void failed(void)
 	if ((e=getenv("CCACHE_PREFIX"))) {
 		char *p = find_executable(e, MYNAME);
 		if (!p) {
+			cc_log("could not find executable (%s)\n", e);
 			perror(e);
 			exit(1);
 		}
@@ -535,8 +536,8 @@ static void find_hash(ARGS *args)
 		   correct i_tmpfile */
 		path_stdout = x_strdup(input_file);
 		if (create_empty_file(path_stderr) != 0) {
-			stats_update(STATS_ERROR);
 			cc_log("failed to create empty stderr file\n");
+			stats_update(STATS_ERROR);
 			failed();
 		}
 		status = 0;
@@ -592,6 +593,7 @@ static void find_hash(ARGS *args)
 		char *p;
 		if (create_dir(hash_dir) != 0) {
 			cc_log("failed to create %s\n", hash_dir);
+			stats_update(STATS_ERROR);
 			failed();
 		}
 		x_asprintf(&p, "%s/%c", hash_dir, s[i]);
@@ -600,6 +602,7 @@ static void find_hash(ARGS *args)
 	}
 	if (create_dir(hash_dir) != 0) {
 		cc_log("failed to create %s\n", hash_dir);
+		stats_update(STATS_ERROR);
 		failed();
 	}
 	x_asprintf(&hashname, "%s/%s", hash_dir, s+nlevels);
@@ -785,6 +788,7 @@ static void find_compiler(int argc, char **argv)
 	/* can't find the compiler! */
 	if (!orig_args->argv[0]) {
 		stats_update(STATS_COMPILER);
+		cc_log("could not find compiler (%s)\n", base);
 		perror(base);
 		exit(1);
 	}
@@ -1069,6 +1073,7 @@ static void process_args(int argc, char **argv)
 
 			if (p) {
 				if (strlen(p) < 2) {
+					cc_log("badly formed dependency file %s\n", output_file);
 					stats_update(STATS_ARGS);
 					failed();
 					return;
@@ -1105,6 +1110,8 @@ static void process_args(int argc, char **argv)
 	if ((e=getenv("CCACHE_PREFIX"))) {
 		char *p = find_executable(e, MYNAME);
 		if (!p) {
+			cc_log("could not find executable (%s)\n", e);
+			stats_update(STATS_ENVIRONMMENT);
 			perror(e);
 			exit(1);
 		}
@@ -1288,6 +1295,7 @@ static void setup_uncached_err(void)
 	uncached_fd = dup(2);
 	if (uncached_fd == -1) {
 		cc_log("dup(2) failed\n");
+		stats_update(STATS_ERROR);
 		failed();
 	}
 
@@ -1296,6 +1304,7 @@ static void setup_uncached_err(void)
 
 	if (putenv(buf) == -1) {
 		cc_log("putenv failed\n");
+		stats_update(STATS_ERROR);
 		failed();
 	}
 }

CCache/ccache.h

@@ -84,6 +84,7 @@ enum stats {
 	STATS_NOTC,
 	STATS_DEVICE,
 	STATS_NOINPUT,
+	STATS_ENVIRONMMENT,
 	STATS_MULTIPLE,
 	STATS_CONFTEST,
 	STATS_UNSUPPORTED,

CCache/execute.c

@@ -123,9 +123,7 @@ int execute(char **argv,
 	std_od = _dup(1);
 	fd = _open(path_stdout, O_WRONLY|O_CREAT|O_TRUNC|O_EXCL|O_BINARY, 0666);
 	if (fd == -1) {
-		status = STATUS_NOCACHE;
-		cc_log("stdout error: failed to open %s\n", path_stdout);
-		goto out;
+		exit(STATUS_NOCACHE);
 	}
 	_dup2(fd, 1);
 	_close(fd);
@@ -134,9 +132,7 @@ int execute(char **argv,
 	fd = _open(path_stderr, O_WRONLY|O_CREAT|O_TRUNC|O_EXCL|O_BINARY, 0666);
 	std_ed = _dup(2);
 	if (fd == -1) {
-		status = STATUS_NOCACHE;
-		cc_log("stderr error: failed to open %s\n", path_stderr);
-		goto out;
+		exit(STATUS_NOCACHE);
 	}
 	_dup2(fd, 2);
 	_close(fd);
@@ -144,9 +140,6 @@ int execute(char **argv,
 	/* Spawn process (_exec* familly doesn't return) */
 	status = _spawnv(_P_WAIT, argv[0], (const char **)argv);
 
-out:
-	if (status == -1) cc_log("Error %i: %s\n", errno, strerror(errno));
-
 	/* Restore descriptors */
 	if (std_od != -1) _dup2(std_od, 1);
 	if (std_ed != -1) _dup2(std_ed, 2);
@@ -235,6 +228,7 @@ char *find_executable(const char *name, const char *exclude_name)
 	}
 	if (!path) {
 		cc_log("no PATH variable!?\n");
+		stats_update(STATS_ENVIRONMMENT);
 		return NULL;
 	}
 

CCache/stats.c

@@ -55,6 +55,7 @@ static struct {
 	{ STATS_OUTSTDOUT,    "output to stdout               ", NULL, 0 },
 	{ STATS_DEVICE,       "output to a non-regular file   ", NULL, 0 },
 	{ STATS_NOINPUT,      "no input file                  ", NULL, 0 },
+	{ STATS_ENVIRONMMENT, "error due to bad env variable  ", NULL, 0 },
 	{ STATS_NUMFILES,     "files in cache                 ", NULL, FLAG_NOZERO|FLAG_ALWAYS },
 	{ STATS_TOTALSIZE,    "cache size                     ", display_size , FLAG_NOZERO|FLAG_ALWAYS },
 	{ STATS_MAXFILES,     "max files                      ", NULL, FLAG_NOZERO },