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--- Libc/Libc-1725.40.4/stdio/FreeBSD/fread.c
+++ Libc/Libc-825.24/stdio/FreeBSD/fread.c
@@ -42,7 +42,6 @@
#include "un-namespace.h"
#include "local.h"
#include "libc_private.h"
-#include "libc_hooks_impl.h"
/*
* MT-safe version
@@ -53,30 +52,29 @@
{
size_t ret;
- libc_hooks_will_write(fp, sizeof(*fp));
-
FLOCKFILE(fp);
ret = __fread(buf, size, count, fp);
FUNLOCKFILE(fp);
return (ret);
}
-/*
- * The maximum amount to read to avoid integer overflow. INT_MAX is odd,
- * so it make sense to make it even. We subtract (BUFSIZ - 1) to get a
- * whole number of BUFSIZ chunks.
- */
-#define MAXREAD (INT_MAX - (BUFSIZ - 1))
-
-/* __fread0: int sized, with size = 1 */
-static inline int
-__fread0(void * __restrict buf, int count, FILE * __restrict fp)
+size_t
+__fread(void * __restrict buf, size_t size, size_t count, FILE * __restrict fp)
{
- int resid;
+ size_t resid;
char *p;
int r, ret;
+ size_t total;
- resid = count;
+ /*
+ * ANSI and SUSv2 require a return value of 0 if size or count are 0.
+ */
+ if ((resid = count * size) == 0)
+ return (0);
+ ORIENT(fp, -1);
+ if (fp->_r < 0)
+ fp->_r = 0;
+ total = resid;
p = buf;
/* first deal with anything left in buffer, plus any ungetc buffers */
while (resid > (r = fp->_r)) {
@@ -89,7 +87,7 @@
break;
else if (ret) {
/* no more input: return partial result */
- return (count - resid);
+ return ((total - resid) / size);
}
}
/*
@@ -103,7 +101,7 @@
size_t n;
save = fp->_bf;
- fp->_bf._base = (unsigned char *)p;
+ fp->_bf._base = p;
fp->_bf._size = resid;
while (fp->_bf._size > 0) {
if ((ret = __srefill1(fp)) != 0) {
@@ -112,7 +110,7 @@
fp->_bf = save;
fp->_p = fp->_bf._base;
/* fp->_r = 0; already set in __srefill1 */
- return (count - resid);
+ return ((total - resid) / size);
}
fp->_bf._base += fp->_r;
fp->_bf._size -= fp->_r;
@@ -132,7 +130,7 @@
resid -= r;
if (__srefill1(fp)) {
/* no more input: return partial result */
- return (count - resid);
+ return ((total - resid) / size);
}
}
(void)memcpy((void *)p, (void *)fp->_p, resid);
@@ -141,31 +139,3 @@
}
return (count);
}
-
-size_t
-__fread(void * __restrict buf, size_t size, size_t count, FILE * __restrict fp)
-{
- size_t resid;
- int r, ret;
- size_t total;
-
- libc_hooks_will_write(buf, size * count);
-
- /*
- * ANSI and SUSv2 require a return value of 0 if size or count are 0.
- */
- if ((resid = count * size) == 0)
- return (0);
- ORIENT(fp, -1);
- if (fp->_r < 0)
- fp->_r = 0;
-
- for (total = resid; resid > 0; buf += r, resid -= r) {
- r = resid > INT_MAX ? MAXREAD : (int)resid;
- if ((ret = __fread0(buf, r, fp)) != r) {
- count = (total - resid + ret) / size;
- break;
- }
- }
- return (count);
-}