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55 lines
1.1 KiB
55 lines
1.1 KiB
#ifndef COMMON_UTIL_H
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#define COMMON_UTIL_H
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#include <stdio.h>
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#ifndef sighandler_t
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typedef void (*sighandler_t)(int sig);
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#endif
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#ifndef __cplusplus
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#define min(a,b) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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_a < _b ? _a : _b; })
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#define max(a,b) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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_a > _b ? _a : _b; })
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#endif
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#define clamp(a,b,c) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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__typeof__ (c) _c = (c); \
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_a < _b ? _b : (_a > _c ? _c : _a); })
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#define ARRAYSIZE(x) (sizeof(x)/sizeof(x[0]))
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#undef ALIGN
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#define ALIGN(x, align) (((x) + (align)-1) & ~((align)-1))
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Reads a file into a newly allocated buffer.
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//
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// Returns NULL on failure, otherwise the NULL-terminated file contents.
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// The result must be freed by the caller.
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void* read_file(const char* path, size_t* out_len);
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int write_file(const char* path, const void* data, size_t size);
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void set_thread_name(const char* name);
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int set_realtime_priority(int level);
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int set_core_affinity(int core);
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#ifdef __cplusplus
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}
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#endif
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#endif
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