#include <err.h>
#include <stdlib.h>
#include <string.h>

/**
 * Malloc, fatal on error.
 */
void *abac_xmalloc(size_t size) {
    void *ret;
    
    ret = malloc(size);
    if (ret == NULL)
        err(1, "malloc");

    return ret;
}

/**
 * strdup fatal on error
 */
char *abac_xstrdup(char *source) {
    char *ret;

    if (source == NULL)
        return NULL;

    ret = strdup(source);
    if (ret == NULL)
        err(1, "strdup");

    return ret;
}

/* make a brand new string with or without being trimmed */
char *abac_trim_quotes(char *string) {
    char *tmp=abac_xstrdup(string);
    int len=strlen(tmp);
    if( (tmp[len-1] == '\'' || tmp[len-1] == '"') &&
                       (tmp[0] == '\'' || tmp[0] == '"')) {
       tmp[len-1]='\0';
       char *ntmp=abac_xstrdup(&tmp[1]);
       free(tmp);
       return ntmp;
    }
    return tmp;
}

/**
 * Split a string based on the given delimiter.
 */
void abac_split(char *string, char *delim, char **ret, int *num) {
    int len = strlen(delim);
    char *start = string;
    int count = 0;

    // split the string by the delim
    while ((start = strstr(string, delim)) != NULL) {
        *start = 0;
        ret[count++] = string;
        string = start + len;
    }
    ret[count++] = string;

    *num = count;
}