#include "config.h"
#include "common.h"
#include "lib.h"
+#include "both.h"
char *xstrcat3save(const char *a, const char *b, const char *c) {
char *r;
return r;
}
-char *xstrsave(const char *s) {
- char *r;
-
- r= xmalloc(strlen(s)+1);
- strcpy(r,s);
- return r;
-}
-
char *xstrsubsave(const char *begin, int len) {
char *r;
return r;
}
-void *xmalloc(size_t s) {
- void *p;
- p= malloc(s?s:1); if (!p) syscallerror("malloc");
- return p;
-}
-
-void *xrealloc(void *p, size_t s) {
- p= realloc(p,s); if (!p) syscallerror("realloc");
- return p;
-}
-
int makeroom(char **buffer, int *size, int needed) {
if (needed > MAX_GENERAL_STRING) return -1;
if (*size >= needed) return 0;
#ifndef HAVE_SETENV
int setenv(const char *name, const char *value, int overwrite) {
- static char *buffer= 0;
- static int avail= 0;
-
- int r;
+ char *buffer= 0;
assert(overwrite==1);
- r= makeroom(&buffer,&avail,strlen(name)+strlen(value)+2);
- if (r) { errno= EINVAL; return -1; }
+ buffer= xmalloc(strlen(name)+strlen(value)+2);
sprintf(buffer,"%s=%s",name,value);
return putenv(buffer);