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// Common header for tinyff library
// Not recommended to be included directly
#ifndef TINYFF_COMMON_H
#define TINYFF_COMMON_H
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include <tinyff/stream.h>
// Flags
typedef bool ff_flag;
#define FF_ENABLE true
#define FF_DISABLE false
// Functions
static inline uint32_t ff_be32(const uint8_t *b) {
return ((uint32_t)b[0] << 24) |
((uint32_t)b[1] << 16) |
((uint32_t)b[2] << 8) |
((uint32_t)b[3]);
}
static inline uint32_t ff_le32(const uint8_t *b) {
return ((uint32_t)b[0]) |
((uint32_t)b[1] << 8) |
((uint32_t)b[2] << 16) |
((uint32_t)b[3] << 24);
}
// Small stdlib helper functions
static inline size_t ff_strlen(const char *str)
{
size_t len = 0;
while (str[len] != '\0') {
len++;
}
return len;
}
static inline int ff_memcmp(const void *a, const void *b, size_t n)
{
const uint8_t *pa = (const uint8_t *)a;
const uint8_t *pb = (const uint8_t *)b;
for (size_t i = 0; i < n; i++) {
if (pa[i] != pb[i]) return pa[i] - pb[i];
}
return 0;
}
// Context bases
// Default
typedef struct {
void* (*ff_alloc)(size_t size);
void (*ff_free)(void* ptr);
void* (*ff_calloc)(size_t count, size_t size);
} ff_allocator;
typedef struct {
// Debug settings
ff_stream* ff_debug_stream;
ff_flag ff_debug_enabled;
// Allocation
ff_allocator allocator;
} ff_ctx;
ff_ctx* ff_init(ff_allocator* allocator);
void ff_cleanup(ff_ctx* ctx);
#endif
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