60 lines
1002 B
C
60 lines
1002 B
C
#include <stdlib.h>
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#include <string.h>
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#include "context.h"
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#include "filedata.h"
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#include "list.h"
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#include "logging.h"
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static LIST_HEAD(context_list);
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struct context * create_context(const char *filename)
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{
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struct context *ctx = malloc(sizeof(struct context));
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if (ctx == NULL) {
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log_print(LOG_WARN, "create_context(): out of memory");
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return NULL;
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}
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memset(ctx, 0, sizeof(struct context));
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ctx->lbuf = create_linebuffer(256);
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if (ctx->lbuf == NULL) {
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free(ctx);
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return NULL;
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}
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ctx->file = get_filedata(filename);
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if (ctx->file == NULL) {
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free(ctx->lbuf);
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free(ctx);
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return NULL;
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}
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list_add(&ctx->list, &context_list);
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return ctx;
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}
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int destroy_context(struct context *ctx)
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{
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list_del(&ctx->list);
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if (ctx->dev_close != NULL)
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ctx->dev_close(ctx);
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free(ctx->file);
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free(ctx->lbuf);
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free(ctx);
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return 0;
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}
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int context_close(void)
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{
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struct context *ctx, *tmp;
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list_for_each_entry_safe(ctx, tmp, &context_list, list)
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destroy_context(ctx);
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return 0;
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}
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