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94f91ef864
We've seen somewhat obscure test failures where the real fprintf() function was passed a fake file returned by the fopen() mock. Although the code that caused the specific failure was cros-specific, adding an fprintf() mock should help avoid future debugging. TEST=ninja test BRANCH=none BUG=b:217661133 Change-Id: I3f8594ea24d17436a7932732d9d05416b804dc93 Signed-off-by: Nikolai Artemiev <nartemiev@google.com> Reviewed-on: https://review.coreboot.org/c/flashrom/+/61708 Reviewed-by: Anastasia Klimchuk <aklm@chromium.org> Reviewed-by: Edward O'Callaghan <quasisec@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
114 lines
4.2 KiB
C
114 lines
4.2 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (c) 2021 Nico Huber <nico.h@gmx.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _IO_MOCK_H_
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#define _IO_MOCK_H_
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/* Required for `FILE *` */
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#include <stdio.h>
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/*
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* Explicitly including the header because some tests are using libusb structs
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* in depth, opaque symbols are not sufficient.
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*/
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#include <libusb.h>
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/* Address value needs fit into uint8_t. */
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#define USB_DEVICE_ADDRESS 19
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/* Define struct pci_dev to avoid dependency on pci.h */
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struct pci_dev {
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unsigned int device_id;
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};
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/* POSIX open() flags, avoiding dependency on fcntl.h */
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#define O_RDONLY 0
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#define O_WRONLY 1
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#define O_RDWR 2
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/* Linux I2C interface constants, avoiding linux/i2c-dev.h */
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#define I2C_SLAVE 0x0703
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/* Always return success for tests. */
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#define S_ISREG(x) 0
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struct io_mock {
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void *state;
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/* Port I/O */
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void (*outb)(void *state, unsigned char value, unsigned short port);
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unsigned char (*inb)(void *state, unsigned short port);
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void (*outw)(void *state, unsigned short value, unsigned short port);
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unsigned short (*inw)(void *state, unsigned short port);
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void (*outl)(void *state, unsigned int value, unsigned short port);
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unsigned int (*inl)(void *state, unsigned short port);
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/* USB I/O */
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int (*libusb_init)(void *state, libusb_context **ctx);
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int (*libusb_control_transfer)(void *state,
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libusb_device_handle *devh,
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uint8_t bmRequestType,
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uint8_t bRequest,
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uint16_t wValue,
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uint16_t wIndex,
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unsigned char *data,
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uint16_t wLength,
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unsigned int timeout);
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ssize_t (*libusb_get_device_list)(void *state, libusb_context *, libusb_device ***list);
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void (*libusb_free_device_list)(void *state, libusb_device **list, int unref_devices);
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int (*libusb_get_device_descriptor)(void *state, libusb_device *, struct libusb_device_descriptor *);
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int (*libusb_get_config_descriptor)(void *state,
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libusb_device *,
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uint8_t config_index,
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struct libusb_config_descriptor **);
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void (*libusb_free_config_descriptor)(void *state, struct libusb_config_descriptor *);
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/* POSIX File I/O */
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int (*open)(void *state, const char *pathname, int flags);
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int (*ioctl)(void *state, int fd, unsigned long request, va_list args);
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int (*read)(void *state, int fd, void *buf, size_t sz);
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int (*write)(void *state, int fd, const void *buf, size_t sz);
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/* Standard I/O */
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FILE* (*fopen)(void *state, const char *pathname, const char *mode);
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char* (*fgets)(void *state, char *buf, int len, FILE *fp);
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size_t (*fread)(void *state, void *buf, size_t size, size_t len, FILE *fp);
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int (*fprintf)(void *state, FILE *fp, const char *fmt, va_list args);
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int (*fclose)(void *state, FILE *fp);
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};
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void io_mock_register(const struct io_mock *io);
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const struct io_mock *get_io(void);
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#endif
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