include/_vec.h File Reference

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Data Structures
struct	vec
Defines
#define	GROWTHFACTOR   2
#define	VEC_DELETE_INPLACE(vec)   free((vec)->vector)
#define	VEC_LENGTH(vec)   ((vec)->len)
#define	VEC_ERR(vec)   ((vec)->err)
Functions
int	vec_init_inplace (unsigned long int initsize, struct vec *vec)
int	vec_read_inplace (int srcfd, struct vec *vec, unsigned int size)
int	vec_expand (struct vec *vec, unsigned int size)

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Define Documentation

#define GROWTHFACTOR   2

Definition at line 15 of file _vec.h.

Referenced by vec_putvbyte().

#define VEC_DELETE_INPLACE

(

vec

)

free((vec)->vector)

Definition at line 35 of file _vec.h.

#define VEC_ERR

(

vec

)

((vec)->err)

Definition at line 42 of file _vec.h.

#define VEC_LENGTH

(

vec

)

((vec)->len)

Definition at line 40 of file _vec.h.

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Function Documentation

int vec_expand	(	struct vec *	vec,
		unsigned int	size
	)

Definition at line 189 of file vec.c.

References vec::err, vec::size, and vec::vector.

Referenced by vec_append(), and vec_putvbyte().

                                                 {
    /* grow the buffer (+ 1 is to step around case where size is 0) */
    void* newmem = realloc(v->vector, size);

    if (newmem) {
        v->size = size;
        v->vector = newmem;
        return 1;
    } else {
        v->err = ENOMEM;
        return 0;
    }
}

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int vec_init_inplace	(	unsigned long int	initsize,
		struct vec *	vec
	)

Definition at line 25 of file vec.c.

References vec::err, vec::len, vec::pos, vec::size, and vec::vector.

                                                                {
    if ((v->vector = malloc(initsize))) {
        v->size = initsize;
        v->pos = v->len = 0;
        v->err = 0;
        return 1;
    } else {
        return 0;
    }
}

int vec_read_inplace	(	int	srcfd,
		struct vec *	vec,
		unsigned int	size
	)

Definition at line 236 of file vec.c.

References vec::err, vec::len, vec::pos, vec::size, and vec::vector.

Referenced by vec_read().

                                                                 {
    if ((v->vector = malloc(len))) {
        unsigned int rlen;
        char *dst = v->vector;
        unsigned int size = len;

        while (len && ((rlen = read(srcfd, dst, len)) > 0)) {
            len -= rlen;
            dst += rlen;
        }

        if (!len) {
            v->len = v->size = size;
            v->pos = 0;
            v->err = 0;
            return 1;
        } else {
            free(v->vector);
            return 0;
        } 
    } else {
        return 0;
    }
}

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