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give libc access to its own malloc even if public malloc is interposed
[musl]
/
src
/
stdio
/
fwrite.c
diff --git
a/src/stdio/fwrite.c
b/src/stdio/fwrite.c
index
02908c4
..
7a567b2
100644
(file)
--- a/
src/stdio/fwrite.c
+++ b/
src/stdio/fwrite.c
@@
-1,6
+1,7
@@
#include "stdio_impl.h"
#include "stdio_impl.h"
+#include <string.h>
-size_t __fwritex(const unsigned char *
s, size_t l, FILE *
f)
+size_t __fwritex(const unsigned char *
restrict s, size_t l, FILE *restrict
f)
{
size_t i=0;
{
size_t i=0;
@@
-12,8
+13,8
@@
size_t __fwritex(const unsigned char *s, size_t l, FILE *f)
/* Match /^(.*\n|)/ */
for (i=l; i && s[i-1] != '\n'; i--);
if (i) {
/* Match /^(.*\n|)/ */
for (i=l; i && s[i-1] != '\n'; i--);
if (i) {
- if (f->write(f, s, i) < i)
-
return i
;
+ size_t n = f->write(f, s, i);
+
if (n < i) return n
;
s += i;
l -= i;
}
s += i;
l -= i;
}
@@
-24,14
+25,14
@@
size_t __fwritex(const unsigned char *s, size_t l, FILE *f)
return l+i;
}
return l+i;
}
-size_t fwrite(const void *
src, size_t size, size_t nmemb, FILE *
f)
+size_t fwrite(const void *
restrict src, size_t size, size_t nmemb, FILE *restrict
f)
{
size_t k, l = size*nmemb;
{
size_t k, l = size*nmemb;
- if (!
l) return l
;
+ if (!
size) nmemb = 0
;
FLOCK(f);
k = __fwritex(src, l, f);
FUNLOCK(f);
FLOCK(f);
k = __fwritex(src, l, f);
FUNLOCK(f);
- return k==l ? nmemb :
l
/size;
+ return k==l ? nmemb :
k
/size;
}
weak_alias(fwrite, fwrite_unlocked);
}
weak_alias(fwrite, fwrite_unlocked);