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https://github.com/ibm-s390-linux/s390-tools.git
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b6bdd7744a
Use `pv_` namespace for our Buffer implementation so a symbol clash with other libraries is less likely. Fixes: https://github.com/ibm-s390-linux/s390-tools/issues/109 Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com> Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
70 lines
1.1 KiB
C
70 lines
1.1 KiB
C
/*
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* Buffer functions
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*
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* Copyright IBM Corp. 2020
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include <errno.h>
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#include <glib.h>
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#include <stdio.h>
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#include <string.h>
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#include "align.h"
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#include "buffer.h"
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#include "common.h"
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#include "file_utils.h"
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PvBuffer *pv_buffer_alloc(gsize size)
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{
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PvBuffer *ret = g_new0(PvBuffer, 1);
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ret->data = g_malloc0(size);
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ret->size = size;
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return ret;
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}
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PvBuffer *pv_buffer_dup(const PvBuffer *buf, gboolean page_aligned)
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{
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PvBuffer *ret;
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gsize size;
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if (!buf)
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return NULL;
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size = buf->size;
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if (page_aligned)
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size = PAGE_ALIGN(size);
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ret = pv_buffer_alloc(size);
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/* content will be 0-right-padded */
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memcpy(ret->data, buf->data, buf->size);
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return ret;
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}
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gint pv_buffer_write(const PvBuffer *buf, FILE *file, GError **err)
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{
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return file_write(file, buf->data, buf->size, 1, NULL, err);
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}
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void pv_buffer_free(PvBuffer *buf)
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{
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if (!buf)
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return;
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g_free(buf->data);
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g_free(buf);
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}
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void pv_buffer_clear(PvBuffer **buf)
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{
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if (!buf || !*buf)
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return;
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pv_buffer_free(*buf);
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*buf = NULL;
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}
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