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-rw-r--r--src/basic/rlimit-util.c24
-rw-r--r--src/basic/rlimit-util.h2
2 files changed, 26 insertions, 0 deletions
diff --git a/src/basic/rlimit-util.c b/src/basic/rlimit-util.c
index 11476ac8d1..8a921a27cb 100644
--- a/src/basic/rlimit-util.c
+++ b/src/basic/rlimit-util.c
@@ -227,6 +227,30 @@ int rlimit_parse(int resource, const char *val, struct rlimit *ret) {
return 0;
}
+int rlimit_format(const struct rlimit *rl, char **ret) {
+ char *s = NULL;
+
+ assert(rl);
+ assert(ret);
+
+ if (rl->rlim_cur >= RLIM_INFINITY && rl->rlim_max >= RLIM_INFINITY)
+ s = strdup("infinity");
+ else if (rl->rlim_cur >= RLIM_INFINITY)
+ (void) asprintf(&s, "infinity:" RLIM_FMT, rl->rlim_max);
+ else if (rl->rlim_max >= RLIM_INFINITY)
+ (void) asprintf(&s, RLIM_FMT ":infinity", rl->rlim_cur);
+ else if (rl->rlim_cur == rl->rlim_max)
+ (void) asprintf(&s, RLIM_FMT, rl->rlim_cur);
+ else
+ (void) asprintf(&s, RLIM_FMT ":" RLIM_FMT, rl->rlim_cur, rl->rlim_max);
+
+ if (!s)
+ return -ENOMEM;
+
+ *ret = s;
+ return 0;
+}
+
static const char* const rlimit_table[_RLIMIT_MAX] = {
[RLIMIT_CPU] = "LimitCPU",
[RLIMIT_FSIZE] = "LimitFSIZE",
diff --git a/src/basic/rlimit-util.h b/src/basic/rlimit-util.h
index fd2f7ff7cf..abf3c57934 100644
--- a/src/basic/rlimit-util.h
+++ b/src/basic/rlimit-util.h
@@ -33,4 +33,6 @@ int setrlimit_closest(int resource, const struct rlimit *rlim);
int rlimit_parse_one(int resource, const char *val, rlim_t *ret);
int rlimit_parse(int resource, const char *val, struct rlimit *ret);
+int rlimit_format(const struct rlimit *rl, char **ret);
+
#define RLIMIT_MAKE_CONST(lim) ((struct rlimit) { lim, lim })