1 /* include px_ipc_name */
2 #include "unpipc.h"
3
4 char *
5 px_ipc_name(const char *name)
6 {
7
8 char *dir, *dst, *slash;
9
10 if ( (dst = malloc(PATH_MAX)) == NULL)
11 return(NULL);
12
13 /* 4can override default directory with environment variable */
14 if ( (dir = getenv("PX_IPC_NAME")) == NULL) {
15
16 #ifdef POSIX_IPC_PREFIX
17 dir = POSIX_IPC_PREFIX; /* from "config.h" */
18 #else
19 dir = "/tmp/"; /* default */
20 #endif
21
22 }
23 /* 4dir must end in a slash */
24 slash = (dir[strlen(dir) - 1] == '/') ? "" : "/";
25 snprintf(dst, PATH_MAX, "%s%s%s", dir, slash, name);
26
27 return(dst); /* caller can free() this pointer */
28
29 }
30 /* end px_ipc_name */
31
32 char *
33 Px_ipc_name(const char *name)
34 {
35
36 char *ptr;
37
38 if ( (ptr = px_ipc_name(name)) == NULL)
39 err_sys("px_ipc_name error for %s", name);
40 return(ptr);
41
42 }
