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-rw-r--r--lib/libc/stdio/fgetln.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/lib/libc/stdio/fgetln.c b/lib/libc/stdio/fgetln.c
index 3987b0d..c607a9c 100644
--- a/lib/libc/stdio/fgetln.c
+++ b/lib/libc/stdio/fgetln.c
@@ -42,9 +42,12 @@ static const char rcsid[] =
"$FreeBSD$";
#endif /* LIBC_SCCS and not lint */
+#include "namespace.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include "un-namespace.h"
+#include "libc_private.h"
#include "local.h"
/*
@@ -54,10 +57,8 @@ static const char rcsid[] =
* so we add 1 here.
#endif
*/
-int
-__slbexpand(fp, newsize)
- FILE *fp;
- size_t newsize;
+static int
+slbexpand(FILE *fp, size_t newsize)
{
void *p;
@@ -81,23 +82,23 @@ __slbexpand(fp, newsize)
* it if they wish. Thus, we set __SMOD in case the caller does.
*/
char *
-fgetln(fp, lenp)
- register FILE *fp;
- size_t *lenp;
+fgetln(FILE *fp, size_t *lenp)
{
- register unsigned char *p;
- register size_t len;
+ unsigned char *p;
+ size_t len;
size_t off;
+ FLOCKFILE(fp);
/* make sure there is input */
if (fp->_r <= 0 && __srefill(fp)) {
*lenp = 0;
+ FUNLOCKFILE(fp);
return (NULL);
}
/* look for a newline in the input */
if ((p = memchr((void *)fp->_p, '\n', (size_t)fp->_r)) != NULL) {
- register char *ret;
+ char *ret;
/*
* Found one. Flag buffer as modified to keep fseek from
@@ -110,6 +111,7 @@ fgetln(fp, lenp)
fp->_flags |= __SMOD;
fp->_r -= len;
fp->_p = p;
+ FUNLOCKFILE(fp);
return (ret);
}
@@ -124,14 +126,14 @@ fgetln(fp, lenp)
#define OPTIMISTIC 80
for (len = fp->_r, off = 0;; len += fp->_r) {
- register size_t diff;
+ size_t diff;
/*
* Make sure there is room for more bytes. Copy data from
* file buffer to line buffer, refill file and look for
* newline. The loop stops only when we find a newline.
*/
- if (__slbexpand(fp, len + OPTIMISTIC))
+ if (slbexpand(fp, len + OPTIMISTIC))
goto error;
(void)memcpy((void *)(fp->_lb._base + off), (void *)fp->_p,
len - off);
@@ -145,7 +147,7 @@ fgetln(fp, lenp)
p++;
diff = p - fp->_p;
len += diff;
- if (__slbexpand(fp, len))
+ if (slbexpand(fp, len))
goto error;
(void)memcpy((void *)(fp->_lb._base + off), (void *)fp->_p,
diff);
@@ -157,9 +159,11 @@ fgetln(fp, lenp)
#ifdef notdef
fp->_lb._base[len] = 0;
#endif
+ FUNLOCKFILE(fp);
return ((char *)fp->_lb._base);
error:
*lenp = 0; /* ??? */
+ FUNLOCKFILE(fp);
return (NULL); /* ??? */
}
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