move core memalign code from aligned_alloc to __memalign

[musl] / src / stdio / fopen.c

diff --git a/src/stdio/fopen.c b/src/stdio/fopen.c
index 0d5b1af..da17ce8 100644 (file)
--- a/src/stdio/fopen.c
+++ b/src/stdio/fopen.c
@@ -1,6 +1,9 @@
 #include "stdio_impl.h"
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
 
-FILE *fopen(const char *filename, const char *mode)
+FILE *fopen(const char *restrict filename, const char *restrict mode)
 {
        FILE *f;
        int fd;
@@ -13,13 +16,7 @@ FILE *fopen(const char *filename, const char *mode)
        }
 
        /* Compute the flags to pass to open() */
-       if (strchr(mode, '+')) flags = O_RDWR;
-       else if (*mode == 'r') flags = O_RDONLY;
-       else flags = O_WRONLY;
-       if (strchr(mode, 'x')) flags |= O_EXCL;
-       if (*mode != 'r') flags |= O_CREAT;
-       if (*mode == 'w') flags |= O_TRUNC;
-       if (*mode == 'a') flags |= O_APPEND;
+       flags = __fmodeflags(mode);
 
        fd = syscall_cp(SYS_open, filename, flags|O_LARGEFILE, 0666);
        if (fd < 0) return 0;