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https://github.com/zephyrproject-rtos/zephyr
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94a022c954
Switch form using privater FCB error codes to errno codes. FCB private codes convention were compatible with <errno.h> codes: - 0 mean success - negative values mean errors - similar error types. There was no sense to kept private FCB error codes. Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
50 lines
1001 B
C
50 lines
1001 B
C
/*
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* Copyright (c) 2017 Nordic Semiconductor ASA
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* Copyright (c) 2015 Runtime Inc
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <fs/fcb.h>
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#include "fcb_priv.h"
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/*
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* Call 'cb' for every element in flash circular buffer. If sector is specified,
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* only elements with that flash_sector are reported.
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*/
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int
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fcb_walk(struct fcb *fcb, struct flash_sector *sector, fcb_walk_cb cb,
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void *cb_arg)
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{
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struct fcb_entry_ctx entry_ctx;
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int rc;
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entry_ctx.loc.fe_sector = sector;
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entry_ctx.loc.fe_elem_off = 0U;
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rc = k_mutex_lock(&fcb->f_mtx, K_FOREVER);
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if (rc < 0) {
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return -EINVAL;
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}
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while ((rc = fcb_getnext_nolock(fcb, &entry_ctx.loc)) !=
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-ENOTSUP) {
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k_mutex_unlock(&fcb->f_mtx);
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if (sector && entry_ctx.loc.fe_sector != sector) {
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return 0;
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}
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entry_ctx.fap = fcb->fap;
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rc = cb(&entry_ctx, cb_arg);
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if (rc) {
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return rc;
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}
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rc = k_mutex_lock(&fcb->f_mtx, K_FOREVER);
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if (rc < 0) {
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return -EINVAL;
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}
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}
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k_mutex_unlock(&fcb->f_mtx);
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return 0;
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}
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