Otherwise they exist in several object files, confusing the linker
Signed-off-by: Patrick Georgi <[email protected]>
---
payloads/libpayload/include/stdio.h | 4 +---
payloads/libpayload/libc/printf.c | 4 ++++
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/payloads/libpayload/include/stdio.h
b/payloads/libpayload/include/stdio.h
index fb40a0d..b82f380 100644
--- a/payloads/libpayload/include/stdio.h
+++ b/payloads/libpayload/include/stdio.h
@@ -37,9 +37,7 @@ struct _FILE {
typedef struct _FILE FILE;
-FILE *stdout = &_stdout;
-FILE *stdin = &_stdin;
-FILE *stderr = &_stderr;
+extern FILE *stdout, *stdin, *stderr;
/**
* @defgroup printf Print functions
diff --git a/payloads/libpayload/libc/printf.c
b/payloads/libpayload/libc/printf.c
index a1ebb14..5a84ee2 100644
--- a/payloads/libpayload/libc/printf.c
+++ b/payloads/libpayload/libc/printf.c
@@ -36,6 +36,10 @@
#include <libpayload.h>
#include <ctype.h>
+FILE *stdout = &_stdout;
+FILE *stdin = &_stdin;
+FILE *stderr = &_stderr;
+
/** Structure for specifying output methods for different printf clones. */
struct printf_spec {
/* Output function, returns count of printed characters or EOF. */
--
1.7.1
--
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