mirror of https://github.com/ArduPilot/ardupilot
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
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#ifndef _PGMSPACE_H
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#define _PGMSPACE_H
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#include <stdarg.h>
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#include <unistd.h>
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#include <inttypes.h>
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#ifndef __ATTR_PROGMEM__
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#define __ATTR_PROGMEM__ __attribute__(())
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#endif
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#ifndef __ATTR_PURE__
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#define __ATTR_PURE__ __attribute__((__pure__))
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#endif
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#undef PROGMEM
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#define PROGMEM __ATTR_PROGMEM__
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#ifndef PGM_P
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#define PGM_P const prog_char *
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef char PROGMEM prog_char;
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extern int strcasecmp_P(const char *, PGM_P) __ATTR_PURE__;
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extern int strcmp_P(const char *, PGM_P) __ATTR_PURE__;
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extern size_t strlcat_P (char *, PGM_P, size_t );
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extern size_t strnlen_P (PGM_P, size_t );
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static inline uint8_t pgm_read_byte(PGM_P s) { return (uint8_t)*s; }
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static inline uint16_t pgm_read_word(const void *s) { return *(const uint16_t *)s; }
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#define GETBYTE(flag, mask, pnt) ({ \
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unsigned char __c; \
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__c = ((flag) & (mask)) \
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? pgm_read_byte(pnt) : *pnt; \
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pnt++; \
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__c; \
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})
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#ifdef __cplusplus
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}
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#endif
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#endif
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