src/utility.c


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#include "utility.h"

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>

/*********** like malloc(), but will exit on error ********/
pvoid ctl_malloc(size_t size){
    void *ptr  = malloc(size);
    if(ptr == NULL){
        ctl_die(CTL_MEMORY);
    }
    return ptr;
}

/********** like realloc(), but will exit on error ********/
pvoid ctl_realloc(pvoid ptr, size_t size){
    ptr = realloc(ptr, size);
    if(ptr == NULL){
        ctl_die(CTL_MEMORY);
    }
    return ptr;
}

/*********** like free(), but will return NULL ************/
pvoid ctl_free(pvoid ptr){
    free(ptr);
    return NULL;
}

/********* print some message on STDERR and exit() ********/
void ctl_die(ErrorType e){
    fprintf(stderr, "exit(%d): ", (int)e);
    switch(e){
        case CTL_MEMORY:
            fprintf(stderr, "bad memory mananger\n");
            break;
    }
    exit((int)e);
}