* tests/tests.h: Add sprintrc declaration.
* tests/futex.c (sprintrc): Remove.
* tests/sprintrc.c: New file.
* tests/Makefile.am (libtests_a_SOURCES): Add sprintrc.c.
---
tests/Makefile.am | 1 +
tests/futex.c | 20 --------------------
tests/sprintrc.c | 33 +++++++++++++++++++++++++++++++++
tests/tests.h | 3 +++
4 files changed, 37 insertions(+), 20 deletions(-)
create mode 100644 tests/sprintrc.c
diff --git a/tests/Makefile.am b/tests/Makefile.am
index b879bf4..2cf9674 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -54,6 +54,7 @@ libtests_a_SOURCES = \
printflags.c \
printxval.c \
signal2name.c \
+ sprintrc.c \
tail_alloc.c \
tests.h \
tprintf.c \
diff --git a/tests/futex.c b/tests/futex.c
index 09a6c25..63669d2 100644
--- a/tests/futex.c
+++ b/tests/futex.c
@@ -143,26 +143,6 @@ void invalid_op(int *val, int op, uint32_t argmask, ...)
printf(") = -1 ENOSYS (%m)\n");
}
-const char *sprintrc(long rc)
-{
- static char buf[4096];
-
- if (rc == 0)
- return "0";
-
- int ret = (rc == -1)
- ? snprintf(buf, sizeof(buf), "-1 %s (%m)", errno2name())
- : snprintf(buf, sizeof(buf), "%ld", rc);
-
- if (ret < 0)
- perror_msg_and_fail("snprintf");
- if ((size_t) ret >= sizeof(buf))
- error_msg_and_fail("snprintf overflow: got %d, expected "
- "no more than %zu", ret, sizeof(buf));
-
- return buf;
-}
-
# define CHECK_INVALID_CLOCKRT(op, ...) \
do { \
invalid_op(uaddr, FUTEX_CLOCK_REALTIME | (op), __VA_ARGS__); \
diff --git a/tests/sprintrc.c b/tests/sprintrc.c
new file mode 100644
index 0000000..a12dc24
--- /dev/null
+++ b/tests/sprintrc.c
@@ -0,0 +1,33 @@
+#include "tests.h"
+
+#include <errno.h>
+#include <stdio.h>
+
+/**
+ * Provides pointer to static string buffer with printed return code in format
+ * used by strace - with errno and error message.
+ *
+ * @param rc Return code.
+ * @return Pointer to (statically allocated) buffer containing decimal
+ * representation of return code and errno/error message in case @rc
+ * is equal to -1.
+ */
+const char *sprintrc(long rc)
+{
+ static char buf[4096];
+
+ if (rc == 0)
+ return "0";
+
+ int ret = (rc == -1)
+ ? snprintf(buf, sizeof(buf), "-1 %s (%m)", errno2name())
+ : snprintf(buf, sizeof(buf), "%ld", rc);
+
+ if (ret < 0)
+ perror_msg_and_fail("snprintf");
+ if ((size_t) ret >= sizeof(buf))
+ error_msg_and_fail("snprintf overflow: got %d, expected "
+ "no more than %zu", ret, sizeof(buf));
+
+ return buf;
+}
diff --git a/tests/tests.h b/tests/tests.h
index 81abe82..3043f97 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -99,6 +99,9 @@ const char *errno2name(void);
/* Translate signal number to its name. */
const char *signal2name(int);
+/* Print return code and, in case return code is -1, errno information. */
+const char *sprintrc(long rc);
+
struct xlat;
/* Print flags in symbolic form according to xlat table. */
--
1.7.10.4
------------------------------------------------------------------------------
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