fix off-by-one error that caused uninitialized memory read in floatscan

[musl] / src / internal / stdio_impl.h

diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h
index c5f45eb..a1f31b3 100644 (file)
--- a/src/internal/stdio_impl.h
+++ b/src/internal/stdio_impl.h
@@ -59,6 +59,8 @@ struct __FILE_s {
        off_t off;
        int (*flush)(FILE *);
        void *mustbezero_2;
+       unsigned char *shend;
+       off_t shlim, shcnt;
 };
 
 size_t __stdio_read(FILE *, unsigned char *, size_t);
@@ -67,6 +69,8 @@ size_t __stdout_write(FILE *, const unsigned char *, size_t);
 off_t __stdio_seek(FILE *, off_t, int);
 int __stdio_close(FILE *);
 
+size_t __string_read(FILE *, unsigned char *, size_t);
+
 int __toread(FILE *);
 int __towrite(FILE *);
 
@@ -84,8 +88,8 @@ int __putc_unlocked(int, FILE *);
 
 FILE *__fdopen(int, const char *);
 
-#define OFLLOCK() LOCK(&libc.ofl_lock)
-#define OFLUNLOCK() UNLOCK(&libc.ofl_lock)
+#define OFLLOCK() LOCK(libc.ofl_lock)
+#define OFLUNLOCK() UNLOCK(libc.ofl_lock)
 
 #define feof(f) ((f)->flags & F_EOF)
 #define ferror(f) ((f)->flags & F_ERR)