changeset fb895218046e in /z/repo/encumbered
details: http://repo.m5sim.org/encumbered?cmd=changeset;node=fb895218046e
summary: add a hack to ingore a return value even when gcc was told that we
shouldn't
diffstat:
3 files changed, 6 insertions(+), 3 deletions(-)
eio/eio.cc | 4 ++--
eio/exolex.cc | 2 +-
eio/libexo.h | 3 +++
diffs (46 lines):
diff -r 3ef40471424f -r fb895218046e eio/eio.cc
--- a/eio/eio.cc Wed Mar 11 09:15:25 2009 -0700
+++ b/eio/eio.cc Fri Apr 17 11:49:34 2009 -0700
@@ -221,7 +221,7 @@
return false;
/* read and check EIO file header */
- fgets(buf, 512, fd);
+ $ignore(fgets(buf, 512, fd));
/* check the header */
if (strcmp(buf, EIO_FILE_HEADER))
@@ -515,7 +515,7 @@
int real_fd = sim_fd(tgt_fd);
if (real_fd >= 0) {
- write(real_fd, blob->as_blob.data, blob->as_blob.size);
+ $ignore(write(real_fd, blob->as_blob.data,
blob->as_blob.size));
}
}
}
diff -r 3ef40471424f -r fb895218046e eio/exolex.cc
--- a/eio/exolex.cc Wed Mar 11 09:15:25 2009 -0700
+++ b/eio/exolex.cc Fri Apr 17 11:49:34 2009 -0700
@@ -584,7 +584,7 @@
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
-#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
+#define ECHO $ignore(fwrite( yytext, yyleng, 1, yyout ))
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
diff -r 3ef40471424f -r fb895218046e eio/libexo.h
--- a/eio/libexo.h Wed Mar 11 09:15:25 2009 -0700
+++ b/eio/libexo.h Fri Apr 17 11:49:34 2009 -0700
@@ -77,6 +77,9 @@
#include "eio/alpha_exo.h"
#include "sim/host.hh"
+// Gross hack to ignore a return value even with a gcc warning
+#define $ignore(X) do { if (X) {} } while(0)
+
#ifdef __cplusplus
extern "C" {
#endif
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