26 lines
332 B
C
Executable file
26 lines
332 B
C
Executable file
|
|
#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;
|
|
}
|
|
|