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Diffstat (limited to 'trace2/tr2_dst.c')
-rw-r--r--trace2/tr2_dst.c36
1 files changed, 16 insertions, 20 deletions
diff --git a/trace2/tr2_dst.c b/trace2/tr2_dst.c
index c3d82ca..5dda0ca 100644
--- a/trace2/tr2_dst.c
+++ b/trace2/tr2_dst.c
@@ -1,17 +1,7 @@
#include "cache.h"
#include "trace2/tr2_dst.h"
#include "trace2/tr2_sid.h"
-
-/*
- * If a Trace2 target cannot be opened for writing, we should issue a
- * warning to stderr, but this is very annoying if the target is a pipe
- * or socket and beyond the user's control -- especially since every
- * git command (and sub-command) will print the message. So we silently
- * eat these warnings and just discard the trace data.
- *
- * Enable the following environment variable to see these warnings.
- */
-#define TR2_ENVVAR_DST_DEBUG "GIT_TR2_DST_DEBUG"
+#include "trace2/tr2_sysenv.h"
/*
* How many attempts we will make at creating an automatically-named trace file.
@@ -23,7 +13,7 @@ static int tr2_dst_want_warning(void)
static int tr2env_dst_debug = -1;
if (tr2env_dst_debug == -1) {
- const char *env_value = getenv(TR2_ENVVAR_DST_DEBUG);
+ const char *env_value = tr2_sysenv_get(TR2_SYSENV_DST_DEBUG);
if (!env_value || !*env_value)
tr2env_dst_debug = 0;
else
@@ -75,7 +65,8 @@ static int tr2_dst_try_auto_path(struct tr2_dst *dst, const char *tgt_prefix)
if (tr2_dst_want_warning())
warning("trace2: could not open '%.*s' for '%s' tracing: %s",
(int) base_path_len, path.buf,
- dst->env_var_name, strerror(errno));
+ tr2_sysenv_display_name(dst->sysenv_var),
+ strerror(errno));
tr2_dst_trace_disable(dst);
strbuf_release(&path);
@@ -97,7 +88,9 @@ static int tr2_dst_try_path(struct tr2_dst *dst, const char *tgt_value)
if (fd == -1) {
if (tr2_dst_want_warning())
warning("trace2: could not open '%s' for '%s' tracing: %s",
- tgt_value, dst->env_var_name, strerror(errno));
+ tgt_value,
+ tr2_sysenv_display_name(dst->sysenv_var),
+ strerror(errno));
tr2_dst_trace_disable(dst);
return 0;
@@ -171,7 +164,8 @@ static int tr2_dst_try_unix_domain_socket(struct tr2_dst *dst,
if (!path || !*path) {
if (tr2_dst_want_warning())
warning("trace2: invalid AF_UNIX value '%s' for '%s' tracing",
- tgt_value, dst->env_var_name);
+ tgt_value,
+ tr2_sysenv_display_name(dst->sysenv_var));
tr2_dst_trace_disable(dst);
return 0;
@@ -181,7 +175,7 @@ static int tr2_dst_try_unix_domain_socket(struct tr2_dst *dst,
strlen(path) >= sizeof(((struct sockaddr_un *)0)->sun_path)) {
if (tr2_dst_want_warning())
warning("trace2: invalid AF_UNIX path '%s' for '%s' tracing",
- path, dst->env_var_name);
+ path, tr2_sysenv_display_name(dst->sysenv_var));
tr2_dst_trace_disable(dst);
return 0;
@@ -203,7 +197,8 @@ static int tr2_dst_try_unix_domain_socket(struct tr2_dst *dst,
error:
if (tr2_dst_want_warning())
warning("trace2: could not connect to socket '%s' for '%s' tracing: %s",
- path, dst->env_var_name, strerror(e));
+ path, tr2_sysenv_display_name(dst->sysenv_var),
+ strerror(e));
tr2_dst_trace_disable(dst);
return 0;
@@ -223,7 +218,7 @@ static void tr2_dst_malformed_warning(struct tr2_dst *dst,
struct strbuf buf = STRBUF_INIT;
strbuf_addf(&buf, "trace2: unknown value for '%s': '%s'",
- dst->env_var_name, tgt_value);
+ tr2_sysenv_display_name(dst->sysenv_var), tgt_value);
warning("%s", buf.buf);
strbuf_release(&buf);
@@ -239,7 +234,7 @@ int tr2_dst_get_trace_fd(struct tr2_dst *dst)
dst->initialized = 1;
- tgt_value = getenv(dst->env_var_name);
+ tgt_value = tr2_sysenv_get(dst->sysenv_var);
if (!tgt_value || !strcmp(tgt_value, "") || !strcmp(tgt_value, "0") ||
!strcasecmp(tgt_value, "false")) {
@@ -305,7 +300,8 @@ void tr2_dst_write_line(struct tr2_dst *dst, struct strbuf *buf_line)
return;
if (tr2_dst_want_warning())
- warning("unable to write trace to '%s': %s", dst->env_var_name,
+ warning("unable to write trace to '%s': %s",
+ tr2_sysenv_display_name(dst->sysenv_var),
strerror(errno));
tr2_dst_trace_disable(dst);
}