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Unified Diff: fusl/src/stdio/__fopen_rb_ca.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/stdio/__fopen_rb_ca.c
diff --git a/fusl/src/stdio/__fopen_rb_ca.c b/fusl/src/stdio/__fopen_rb_ca.c
new file mode 100644
index 0000000000000000000000000000000000000000..183a5d553895537199ca452bc593ea69ea77e146
--- /dev/null
+++ b/fusl/src/stdio/__fopen_rb_ca.c
@@ -0,0 +1,22 @@
+#include "stdio_impl.h"
+#include <fcntl.h>
+#include <string.h>
+
+FILE *__fopen_rb_ca(const char *filename, FILE *f, unsigned char *buf, size_t len)
+{
+ memset(f, 0, sizeof *f);
+
+ f->fd = sys_open(filename, O_RDONLY|O_CLOEXEC);
+ if (f->fd < 0) return 0;
+ __syscall(SYS_fcntl, f->fd, F_SETFD, FD_CLOEXEC);
+
+ f->flags = F_NOWR | F_PERM;
+ f->buf = buf + UNGET;
+ f->buf_size = len - UNGET;
+ f->read = __stdio_read;
+ f->seek = __stdio_seek;
+ f->close = __stdio_close;
+ f->lock = -1;
+
+ return f;
+}
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