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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/wait.h>
void callError(int num)
{
fprintf(stderr, "lpass: Sorry, there was an error in the program [#%d]\n", num);
exit(3);
}
void printError(const char *text)
{
fprintf(stderr, "%s", text);
exit(4);
}
void easyFork(char *name, char *arguments[])
{
int pid;
pid = fork();
if(pid == -1) callError(100);
if(pid == 0) { /* new process */
execvp(name, arguments);
perror(name);
exit(4);
}
wait(&pid);
}
char *xstrcat(const char *first, const char *second,
const char *delimiter)
{
size_t size = sizeof(char) * (strlen(first) + strlen(second) + 1);
if(delimiter)
size += sizeof(char) * strlen(delimiter);
char *res = malloc(size);
strcpy(res, first);
if(delimiter)
strcat(res, delimiter);
strcat(res, second);
return res;
}
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