Fix strtol

This commit is contained in:
Justine Tunney 2020-12-29 21:39:43 -08:00
parent 1df136323b
commit 5eddadafbd
17 changed files with 83 additions and 105 deletions

View file

@ -19,14 +19,19 @@
#include "libc/stdio/internal.h"
#include "libc/stdio/stdio.h"
static noinline int __fgetc(FILE *f) {
if (!f->reader) return __fseteof(f);
if (f->reader(f) == -1) return -1;
return f->buf[f->beg++];
}
/**
* Reads uint8_t from stream.
*/
int fgetc(FILE *f) {
int c;
if (f->beg >= f->end) {
if (!f->reader) return __fseteof(f);
if (f->reader(f) == -1) return -1;
if (f->beg < f->end) {
return f->buf[f->beg++];
} else {
return __fgetc(f);
}
return f->buf[f->beg++];
}

View file

@ -20,7 +20,7 @@
#include "libc/stdio/internal.h"
#include "libc/stdio/stdio.h"
static noinline int __fputcg(int c, FILE *f) {
static noinline int __fputc(int c, FILE *f) {
if (f->beg < f->size) {
f->buf[f->beg++] = c;
if (f->beg == f->size || f->bufmode == _IONBF ||
@ -47,6 +47,6 @@ noinstrument int fputc(int c, FILE *f) {
f->buf[f->beg++] = c;
return c & 0xff;
} else {
return __fputcg(c, f);
return __fputc(c, f);
}
}

View file

@ -1,69 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/calls/calls.h"
#include "libc/calls/struct/iovec.h"
#include "libc/errno.h"
#include "libc/sock/sock.h"
#include "libc/stdio/internal.h"
#include "libc/stdio/stdio.h"
/* TODO(jart): Delete or rework */
/**
* Fills empty space in buffer with whatever's available.
*
* This can be used alongside functions like select() or poll() to
* perform reads at opportune moments, thereby minimizing latency.
*/
int freplenish(FILE *f) {
ssize_t rc;
size_t got;
struct iovec iov[2];
if (f->beg == f->end) {
f->beg = f->end = 0;
}
if (f->beg <= f->end) {
if (f->beg) {
iov[0].iov_base = f->buf + f->end;
iov[0].iov_len = f->size - f->end;
iov[1].iov_base = f->buf;
iov[1].iov_len = f->beg - 1;
rc = readv(f->fd, iov, 2);
} else {
rc = read(f->fd, f->buf, f->size - (f->end - f->beg) - 1);
}
} else {
if (f->end + 1 == f->beg) return 0;
rc = read(f->fd, f->buf + f->end, f->beg - f->end - 1);
}
if (rc != -1) {
if (rc) {
got = rc;
f->end = (f->end + got) % f->size;
return got;
} else {
return __fseteof(f);
}
} else if (errno == EINTR || errno == EAGAIN) {
return 0;
} else {
return __fseterrno(f);
}
}

View file

@ -59,7 +59,6 @@ FILE *fmemopen(void *, size_t, const char *) paramsnonnull((3)) nodiscard;
FILE *freopen(const char *, const char *, FILE *) paramsnonnull((2, 3));
size_t fread(void *, size_t, size_t, FILE *) paramsnonnull();
size_t fwrite(const void *, size_t, size_t, FILE *) paramsnonnull();
int freplenish(FILE *) paramsnonnull();
int fclose(FILE *);
int fclose_s(FILE **) paramsnonnull();
long fseek(FILE *, long, int) paramsnonnull();