hpd_common.h File Reference

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Macros
#define	HPD_CALLOC(PTR, NUM, CAST)
	Allocates and zeros a structure. More...
#define	HPD_CPY_ALLOC(DST, SRC, CAST)
#define	HPD_REALLOC(PTR, NUM, CAST)
	CAST is for c++ compatibility (tests). More...
#define	HPD_SPRINTF_ALLOC(DST, FMT, ...)
#define	HPD_STR_CPY(DST, SRC)
#define	HPD_STR_N_CPY(DST, SRC, LEN)
#define	HPD_VSPRINTF_ALLOC(DST, FMT, VP)

Macro Definition Documentation

#define HPD_CALLOC	(		PTR,
			NUM,
			CAST
	)

Value:

do { \
    (PTR) = (CAST *) calloc((NUM), sizeof(CAST)); \
    if(!(PTR)) goto alloc_error; \
} while(0)

Allocates and zeros a structure.

CAST is for c++ compatibility (tests).

Definition at line 44 of file hpd_common.h.

#define HPD_CPY_ALLOC	(		DST,
			SRC,
			CAST
	)

Value:

do { \
    (DST) = (CAST *) malloc(sizeof(CAST)); \
    if(!(DST)) goto alloc_error; \
    memcpy((DST), (SRC), sizeof(CAST)); \
} while(0)

Definition at line 58 of file hpd_common.h.

#define HPD_REALLOC	(		PTR,
			NUM,
			CAST
	)

Value:

do { \
    void *_tmp = realloc((PTR), (NUM)*sizeof(CAST)); \
    if(!_tmp) goto alloc_error; \
    (PTR) = (CAST *) _tmp; \
} while(0)

CAST is for c++ compatibility (tests).

Definition at line 52 of file hpd_common.h.

#define HPD_SPRINTF_ALLOC	(		DST,
			FMT,
			...
	)

Value:

do { \
    size_t _len; \
    if ((_len = snprintf(NULL, 0, (FMT), ##__VA_ARGS__)) < 0) goto snprintf_error; \
    if (!((DST) = calloc(_len+1, sizeof(char)))) goto alloc_error; \
    if (snprintf((DST), _len+1, (FMT), ##__VA_ARGS__) < 0) { free((DST)); goto snprintf_error; } \
} while (0)

Definition at line 75 of file hpd_common.h.

#define HPD_STR_CPY	(		DST,
			SRC
	)

Value:

do { \
    HPD_REALLOC((DST), (strlen((SRC))+1), char); \
    strcpy((DST), (SRC)); \
} while(0)

Definition at line 64 of file hpd_common.h.

#define HPD_STR_N_CPY	(		DST,
			SRC,
			LEN
	)

Value:

do { \
    HPD_REALLOC((DST), ((LEN)+1), char); \
    strncpy((DST), (SRC), (LEN)); \
    (DST)[LEN] = '\0'; \
} while(0)

Definition at line 69 of file hpd_common.h.

#define HPD_VSPRINTF_ALLOC	(		DST,
			FMT,
			VP
	)

Value:

do { \
    size_t _len; \
    va_list _vp; \
    va_copy(_vp, (VP)); \
    if ((_len = vsnprintf(NULL, 0, (FMT), _vp)) < 0) { \
        va_end(_vp); \
        goto vsnprintf_error; \
    } \
    va_end(_vp); \
    if (!((DST) = calloc(_len+1, sizeof(char)))) goto alloc_error; \
    if (vsnprintf((DST), _len+1, (FMT), (VP)) < 0) { free((DST)); goto vsnprintf_error; } \
} while (0)

Definition at line 82 of file hpd_common.h.