minix/lib/other/setenv.c

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2006-04-03 17:03:07 +02:00
#include <stdlib.h>
#include <string.h>
int
setenv(const char *name, const char *val, int overwrite)
{
char *bf;
int r;
if(!overwrite && getenv(name))
return 0;
if(!(bf=malloc(strlen(name)+strlen(val)+2)))
return -1;
strcpy(bf, name);
strcat(bf, "=");
strcat(bf, val);
r = putenv(bf);
return r == 0 ? 0 : -1;
}