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/*
* strdup() is not part of POSIX and is causing crashes on my CentOS systems.
*
* This is a simple implementation of strdup() but we can't call it that!
*
* For more information see http://stackoverflow.com/questions/8359966/strdup-returning-address-out-of-bounds
*/
#include "robstr.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
char *dupstr(const char *s) {
if (s == NULL) {
fprintf(stderr, "Cannot duplicate a NULL string\n");
return NULL;
}
char *const result = malloc(strlen(s) + 1);
if (result == NULL) {
fprintf(stderr, "Cannot allocate memory to duplicate %s\n", s);
return NULL;
}
strcpy(result, s);
return result;
}
char *catstr(const char *s, const char *t) {
char *const result = malloc(strlen(s) + strlen(t) + 1);
if (result == NULL) {
fprintf(stderr, "Cannot allocate memory for catstr of %s and %s\n", s, t);
exit(1);
}
unsigned i;
for (i=0; i<strlen(s); i++)
result[i] = s[i];
for (unsigned j=0; j<strlen(t); j++)
result[i++] = t[j];
result[i]='\0';
return result;
}
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