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authorAlon Zakai <alonzakai@gmail.com>2014-01-13 16:55:19 -0800
committerAlon Zakai <alonzakai@gmail.com>2014-01-13 16:56:03 -0800
commitcd1edebb5034ea52396a5b68304e84ae80878740 (patch)
tree6a6f8364ea74985d11c4f6ff74e5b80e08dc849d /system/lib/libc/musl/src/internal/shgetc.c
parentaf59788f8b7b76515e36bee1bf66edf497b801db (diff)
parent2914deb17f3857bb02eeec87a58a3ed6d4a8853a (diff)
Merge branch 'incoming' of github.com:kripken/emscripten into incoming1.8.8
conflicts: tests/test_core.py tools/shared.py
Diffstat (limited to 'system/lib/libc/musl/src/internal/shgetc.c')
-rw-r--r--system/lib/libc/musl/src/internal/shgetc.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/system/lib/libc/musl/src/internal/shgetc.c b/system/lib/libc/musl/src/internal/shgetc.c
new file mode 100644
index 00000000..e878b00a
--- /dev/null
+++ b/system/lib/libc/musl/src/internal/shgetc.c
@@ -0,0 +1,27 @@
+#include "shgetc.h"
+
+void __shlim(FILE *f, off_t lim)
+{
+ f->shlim = lim;
+ f->shcnt = f->rend - f->rpos;
+ if (lim && f->shcnt > lim)
+ f->shend = f->rpos + lim;
+ else
+ f->shend = f->rend;
+}
+
+int __shgetc(FILE *f)
+{
+ int c;
+ if (f->shlim && f->shcnt >= f->shlim || (c=__uflow(f)) < 0) {
+ f->shend = 0;
+ return EOF;
+ }
+ if (f->shlim && f->rend - f->rpos > f->shlim - f->shcnt - 1)
+ f->shend = f->rpos + (f->shlim - f->shcnt - 1);
+ else
+ f->shend = f->rend;
+ if (f->rend) f->shcnt += f->rend - f->rpos + 1;
+ if (f->rpos[-1] != c) f->rpos[-1] = c;
+ return c;
+}