tests/lib: Factor out file related functions
Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com> Change-Id: I5c22913b35848c5ea32d6805ea081abefd3380bf Reviewed-on: https://review.coreboot.org/c/coreboot/+/82237 Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jakub Czapiga <czapiga@google.com>
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Lean Sheng Tan
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51
tests/helpers/file.c
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51
tests/helpers/file.c
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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/*
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* Get the file size of a given file
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*
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* @params fname name of the file relative to the __TEST_DATA_DIR__ directory
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*
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* @return On success file size in bytes is returned. On failure -1 is returned.
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*/
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int test_get_file_size(const char *fname)
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{
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char path[strlen(__TEST_DATA_DIR__) + strlen(fname) + 2];
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sprintf(path, "%s/%s", __TEST_DATA_DIR__, fname);
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struct stat st;
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if (stat(path, &st) == -1)
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return -1;
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return st.st_size;
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}
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/*
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* Read a file and write its contents into a buffer
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*
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* @params fname name of the file relative to the __TEST_DATA_DIR__ directory
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* @params buf buffer to write file contents into
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* @params size size of buf
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*
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* @return On success number of bytes read is returned. On failure -1 is returned.
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*/
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int test_read_file(const char *fname, uint8_t *buf, size_t size)
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{
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char path[strlen(__TEST_DATA_DIR__) + strlen(fname) + 2];
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sprintf(path, "%s/%s", __TEST_DATA_DIR__, fname);
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int f = open(path, O_RDONLY);
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if (f == -1)
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return -1;
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int read_size = read(f, buf, size);
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close(f);
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return read_size;
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}
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