ref-filter: initialize eaten variable

diff --git a/trace.c b/trace.c
index cb1293ed33e16f605f8ac99336f040275c7bda7a..fc623e91fdd7ed8268922ae0460cfbd6903f3800 100644 (file)
--- a/trace.c
+++ b/trace.c
@@ -24,26 +24,15 @@
 #include "cache.h"
 #include "quote.h"
 
-/*
- * "Normalize" a key argument by converting NULL to our trace_default,
- * and otherwise passing through the value. All caller-facing functions
- * should normalize their inputs in this way, though most get it
- * for free by calling get_trace_fd() (directly or indirectly).
- */
-static void normalize_trace_key(struct trace_key **key)
-{
-       static struct trace_key trace_default = { "GIT_TRACE" };
-       if (!*key)
-               *key = &trace_default;
-}
+struct trace_key trace_default_key = { "GIT_TRACE", 0, 0, 0 };
+struct trace_key trace_perf_key = TRACE_KEY_INIT(PERFORMANCE);
+struct trace_key trace_setup_key = TRACE_KEY_INIT(SETUP);
 
 /* Get a trace file descriptor from "key" env variable. */
 static int get_trace_fd(struct trace_key *key)
 {
        const char *trace;
 
-       normalize_trace_key(&key);
-
        /* don't open twice */
        if (key->initialized)
                return key->fd;
@@ -81,8 +70,6 @@ static int get_trace_fd(struct trace_key *key)
 
 void trace_disable(struct trace_key *key)
 {
-       normalize_trace_key(&key);
-
        if (key->need_close)
                close(key->fd);
        key->fd = 0;
@@ -128,7 +115,6 @@ static int prepare_trace_line(const char *file, int line,
 static void trace_write(struct trace_key *key, const void *buf, unsigned len)
 {
        if (write_in_full(get_trace_fd(key), buf, len) < 0) {
-               normalize_trace_key(&key);
                warning("unable to write trace for %s: %s",
                        key->key, strerror(errno));
                trace_disable(key);
@@ -146,7 +132,6 @@ static void print_trace_line(struct trace_key *key, struct strbuf *buf)
 {
        strbuf_complete_line(buf);
        trace_write(key, buf->buf, buf->len);
-       strbuf_release(buf);
 }
 
 static void trace_vprintf_fl(const char *file, int line, struct trace_key *key,
@@ -159,6 +144,7 @@ static void trace_vprintf_fl(const char *file, int line, struct trace_key *key,
 
        strbuf_vaddf(&buf, format, ap);
        print_trace_line(key, &buf);
+       strbuf_release(&buf);
 }
 
 static void trace_argv_vprintf_fl(const char *file, int line,
@@ -167,13 +153,14 @@ static void trace_argv_vprintf_fl(const char *file, int line,
 {
        struct strbuf buf = STRBUF_INIT;
 
-       if (!prepare_trace_line(file, line, NULL, &buf))
+       if (!prepare_trace_line(file, line, &trace_default_key, &buf))
                return;
 
        strbuf_vaddf(&buf, format, ap);
 
-       sq_quote_argv(&buf, argv, 0);
-       print_trace_line(NULL, &buf);
+       sq_quote_argv_pretty(&buf, argv);
+       print_trace_line(&trace_default_key, &buf);
+       strbuf_release(&buf);
 }
 
 void trace_strbuf_fl(const char *file, int line, struct trace_key *key,
@@ -186,10 +173,9 @@ void trace_strbuf_fl(const char *file, int line, struct trace_key *key,
 
        strbuf_addbuf(&buf, data);
        print_trace_line(key, &buf);
+       strbuf_release(&buf);
 }
 
-static struct trace_key trace_perf_key = TRACE_KEY_INIT(PERFORMANCE);
-
 static void trace_performance_vprintf_fl(const char *file, int line,
                                         uint64_t nanos, const char *format,
                                         va_list ap)
@@ -207,6 +193,7 @@ static void trace_performance_vprintf_fl(const char *file, int line,
        }
 
        print_trace_line(&trace_perf_key, &buf);
+       strbuf_release(&buf);
 }
 
 #ifndef HAVE_VARIADIC_MACROS
@@ -215,7 +202,7 @@ void trace_printf(const char *format, ...)
 {
        va_list ap;
        va_start(ap, format);
-       trace_vprintf_fl(NULL, 0, NULL, format, ap);
+       trace_vprintf_fl(NULL, 0, &trace_default_key, format, ap);
        va_end(ap);
 }
 
@@ -314,11 +301,10 @@ static const char *quote_crnl(const char *path)
 /* FIXME: move prefix to startup_info struct and get rid of this arg */
 void trace_repo_setup(const char *prefix)
 {
-       static struct trace_key key = TRACE_KEY_INIT(SETUP);
        const char *git_work_tree;
        char *cwd;
 
-       if (!trace_want(&key))
+       if (!trace_want(&trace_setup_key))
                return;
 
        cwd = xgetcwd();
@@ -329,11 +315,11 @@ void trace_repo_setup(const char *prefix)
        if (!prefix)
                prefix = "(null)";
 
-       trace_printf_key(&key, "setup: git_dir: %s\n", quote_crnl(get_git_dir()));
-       trace_printf_key(&key, "setup: git_common_dir: %s\n", quote_crnl(get_git_common_dir()));
-       trace_printf_key(&key, "setup: worktree: %s\n", quote_crnl(git_work_tree));
-       trace_printf_key(&key, "setup: cwd: %s\n", quote_crnl(cwd));
-       trace_printf_key(&key, "setup: prefix: %s\n", quote_crnl(prefix));
+       trace_printf_key(&trace_setup_key, "setup: git_dir: %s\n", quote_crnl(get_git_dir()));
+       trace_printf_key(&trace_setup_key, "setup: git_common_dir: %s\n", quote_crnl(get_git_common_dir()));
+       trace_printf_key(&trace_setup_key, "setup: worktree: %s\n", quote_crnl(git_work_tree));
+       trace_printf_key(&trace_setup_key, "setup: cwd: %s\n", quote_crnl(cwd));
+       trace_printf_key(&trace_setup_key, "setup: prefix: %s\n", quote_crnl(prefix));
 
        free(cwd);
 }
@@ -443,6 +429,6 @@ void trace_command_performance(const char **argv)
                atexit(print_command_performance_atexit);
 
        strbuf_reset(&command_line);
-       sq_quote_argv(&command_line, argv, 0);
+       sq_quote_argv_pretty(&command_line, argv);
        command_start_time = getnanotime();
 }