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48 lines
978 B
C
48 lines
978 B
C
#ifndef LLARP_BUFFER_H_
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#define LLARP_BUFFER_H_
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#include <llarp/common.h>
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#include <llarp/mem.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct llarp_buffer_t {
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char *base;
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size_t sz;
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char *cur;
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} llarp_buffer_t;
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size_t INLINE llarp_buffer_size_left(llarp_buffer_t *buff) {
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size_t diff = buff->cur - buff->base;
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if (diff > buff->sz)
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return 0;
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else
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return buff->sz - diff;
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}
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bool INLINE llarp_buffer_write(llarp_buffer_t *buff, const void *data,
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size_t sz) {
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size_t left = llarp_buffer_size_left(buff);
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if (left >= sz) {
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memcpy(buff->cur, data, sz);
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buff->cur += sz;
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return true;
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}
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return false;
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}
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bool llarp_buffer_writef(llarp_buffer_t *buff, const char *fmt, ...);
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bool llarp_buffer_readfile(llarp_buffer_t *buff, FILE *f,
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struct llarp_alloc *mem);
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#ifdef __cplusplus
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}
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#endif
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#endif
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