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-rw-r--r--src/stdio/__stdio_read.c1
-rw-r--r--src/stdio/__toread.c8
-rw-r--r--src/stdio/__uflow.c6
-rw-r--r--src/stdio/ungetc.c3
-rw-r--r--src/stdio/ungetwc.c3
5 files changed, 11 insertions, 10 deletions
diff --git a/src/stdio/__stdio_read.c b/src/stdio/__stdio_read.c
index 6cd7b073..59473444 100644
--- a/src/stdio/__stdio_read.c
+++ b/src/stdio/__stdio_read.c
@@ -21,7 +21,6 @@ size_t __stdio_read(FILE *f, unsigned char *buf, size_t len)
pthread_cleanup_pop(0);
if (cnt <= 0) {
f->flags |= F_EOF ^ ((F_ERR^F_EOF) & cnt);
- f->rpos = f->rend = 0;
return cnt;
}
if (cnt <= iov[0].iov_len) return cnt;
diff --git a/src/stdio/__toread.c b/src/stdio/__toread.c
index 52624f3d..b08f5bb4 100644
--- a/src/stdio/__toread.c
+++ b/src/stdio/__toread.c
@@ -5,12 +5,12 @@ int __toread(FILE *f)
f->mode |= f->mode-1;
if (f->wpos > f->buf) f->write(f, 0, 0);
f->wpos = f->wbase = f->wend = 0;
- if (f->flags & (F_EOF|F_NORD)) {
- if (f->flags & F_NORD) f->flags |= F_ERR;
+ if (f->flags & F_NORD) {
+ f->flags |= F_ERR;
return EOF;
}
- f->rpos = f->rend = f->buf;
- return 0;
+ f->rpos = f->rend = f->buf + f->buf_size;
+ return (f->flags & F_EOF) ? EOF : 0;
}
void __stdio_exit_needed(void);
diff --git a/src/stdio/__uflow.c b/src/stdio/__uflow.c
index e28922c2..2a88bca6 100644
--- a/src/stdio/__uflow.c
+++ b/src/stdio/__uflow.c
@@ -1,11 +1,11 @@
#include "stdio_impl.h"
-/* This function will never be called if there is already data
- * buffered for reading. Thus we can get by with very few branches. */
+/* This function assumes it will never be called if there is already
+ * data buffered for reading. */
int __uflow(FILE *f)
{
unsigned char c;
- if ((f->rend || !__toread(f)) && f->read(f, &c, 1)==1) return c;
+ if (!__toread(f) && f->read(f, &c, 1)==1) return c;
return EOF;
}
diff --git a/src/stdio/ungetc.c b/src/stdio/ungetc.c
index 7f56f8d5..180673a4 100644
--- a/src/stdio/ungetc.c
+++ b/src/stdio/ungetc.c
@@ -6,7 +6,8 @@ int ungetc(int c, FILE *f)
FLOCK(f);
- if ((!f->rend && __toread(f)) || f->rpos <= f->buf - UNGET) {
+ if (!f->rpos) __toread(f);
+ if (!f->rpos || f->rpos <= f->buf - UNGET) {
FUNLOCK(f);
return EOF;
}
diff --git a/src/stdio/ungetwc.c b/src/stdio/ungetwc.c
index 8cc85a6b..913f7168 100644
--- a/src/stdio/ungetwc.c
+++ b/src/stdio/ungetwc.c
@@ -19,7 +19,8 @@ wint_t ungetwc(wint_t c, FILE *f)
f->mode |= f->mode+1;
- if ((!f->rend && __toread(f)) || f->rpos < f->buf - UNGET + l) {
+ if (!f->rpos) __toread(f);
+ if (!f->rpos || f->rpos < f->buf - UNGET + l) {
FUNLOCK(f);
return EOF;
}