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authorRich Felker <dalias@aerifal.cx>2011-06-30 11:42:33 -0400
committerRich Felker <dalias@aerifal.cx>2011-06-30 11:42:33 -0400
commit7640497f5f28ddb4aa13528676a99b603320f47e (patch)
tree000a3f48b6d4f0a557f291ee043db9aadfc9c2a2
parentfb62ae74d0c87ff506e970bf18579cc96b16e046 (diff)
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implement the nonstandard GNU function fpurge
this is a really ugly and backwards function, but its presence will prevent lots of broken gnulib software from trying to define its own version of fpurge and thereby failing to build or worse.
-rw-r--r--include/stdio.h1
-rw-r--r--src/stdio/fpurge.c11
2 files changed, 12 insertions, 0 deletions
diff --git a/include/stdio.h b/include/stdio.h
index 69178cc8..b54fe195 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -158,6 +158,7 @@ int asprintf(char **, const char *, ...);
int vasprintf(char **, const char *, va_list);
void setlinebuf(FILE *);
void setbuffer(FILE *, char *, size_t);
+int fpurge(FILE *);
#endif
#ifdef __cplusplus
diff --git a/src/stdio/fpurge.c b/src/stdio/fpurge.c
new file mode 100644
index 00000000..a9e98e7b
--- /dev/null
+++ b/src/stdio/fpurge.c
@@ -0,0 +1,11 @@
+#define _GNU_SOURCE
+#include "stdio_impl.h"
+
+int __fpurge(FILE *f)
+{
+ f->wpos = f->wbase = f->wend = 0;
+ f->rpos = f->rend = 0;
+ return 0;
+}
+
+weak_alias(__fpurge, fpurge);