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Diffstat (limited to 'src/libstddjb/sanitize_read.c')
-rw-r--r--src/libstddjb/sanitize_read.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/libstddjb/sanitize_read.c b/src/libstddjb/sanitize_read.c
new file mode 100644
index 0000000..bd8eee3
--- /dev/null
+++ b/src/libstddjb/sanitize_read.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/error.h>
+
+int sanitize_read (int r)
+{
+ return r == -1 ? error_isagain(errno) ? (errno = 0, 0) : -1 :
+ !r ? (errno = EPIPE, -1) : r ;
+}