* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "cache.h"
#include "quote.h"
+struct trace_key trace_default_key = { "GIT_TRACE", 0, 0, 0 };
+struct trace_key trace_perf_key = TRACE_KEY_INIT(PERFORMANCE);
+
/* Get a trace file descriptor from "key" env variable. */
static int get_trace_fd(struct trace_key *key)
{
- static struct trace_key trace_default = { "GIT_TRACE" };
const char *trace;
- /* use default "GIT_TRACE" if NULL */
- if (!key)
- key = &trace_default;
-
/* don't open twice */
if (key->initialized)
return key->fd;
else if (is_absolute_path(trace)) {
int fd = open(trace, O_WRONLY | O_APPEND | O_CREAT, 0666);
if (fd == -1) {
- fprintf(stderr,
- "Could not open '%s' for tracing: %s\n"
- "Defaulting to tracing on stderr...\n",
+ warning("could not open '%s' for tracing: %s",
trace, strerror(errno));
- key->fd = STDERR_FILENO;
+ trace_disable(key);
} else {
key->fd = fd;
key->need_close = 1;
}
} else {
- fprintf(stderr, "What does '%s' for %s mean?\n"
- "If you want to trace into a file, then please set "
- "%s to an absolute pathname (starting with /).\n"
- "Defaulting to tracing on stderr...\n",
- trace, key->key, key->key);
- key->fd = STDERR_FILENO;
+ warning("unknown trace value for '%s': %s\n"
+ " If you want to trace into a file, then please set %s\n"
+ " to an absolute pathname (starting with /)",
+ key->key, trace, key->key);
+ trace_disable(key);
}
key->initialized = 1;
key->need_close = 0;
}
-static const char err_msg[] = "Could not trace into fd given by "
- "GIT_TRACE environment variable";
-
static int prepare_trace_line(const char *file, int line,
struct trace_key *key, struct strbuf *buf)
{
return 1;
}
+static void trace_write(struct trace_key *key, const void *buf, unsigned len)
+{
+ if (write_in_full(get_trace_fd(key), buf, len) < 0) {
+ warning("unable to write trace for %s: %s",
+ key->key, strerror(errno));
+ trace_disable(key);
+ }
+}
+
+void trace_verbatim(struct trace_key *key, const void *buf, unsigned len)
+{
+ if (!trace_want(key))
+ return;
+ trace_write(key, buf, len);
+}
+
static void print_trace_line(struct trace_key *key, struct strbuf *buf)
{
strbuf_complete_line(buf);
-
- write_or_whine_pipe(get_trace_fd(key), buf->buf, buf->len, err_msg);
+ trace_write(key, buf->buf, buf->len);
strbuf_release(buf);
}
{
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);
+ print_trace_line(&trace_default_key, &buf);
}
void trace_strbuf_fl(const char *file, int line, struct trace_key *key,
print_trace_line(key, &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)
{
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);
}
static const char *quote_crnl(const char *path)
{
- static char new_path[PATH_MAX];
- const char *p2 = path;
- char *p1 = new_path;
+ static struct strbuf new_path = STRBUF_INIT;
if (!path)
return NULL;
- while (*p2) {
- switch (*p2) {
- case '\\': *p1++ = '\\'; *p1++ = '\\'; break;
- case '\n': *p1++ = '\\'; *p1++ = 'n'; break;
- case '\r': *p1++ = '\\'; *p1++ = 'r'; break;
+ strbuf_reset(&new_path);
+
+ while (*path) {
+ switch (*path) {
+ case '\\': strbuf_addstr(&new_path, "\\\\"); break;
+ case '\n': strbuf_addstr(&new_path, "\\n"); break;
+ case '\r': strbuf_addstr(&new_path, "\\r"); break;
default:
- *p1++ = *p2;
+ strbuf_addch(&new_path, *path);
}
- p2++;
+ path++;
}
- *p1 = '\0';
- return new_path;
+ return new_path.buf;
}
/* FIXME: move prefix to startup_info struct and get rid of this arg */