diff options
author | Nicholas Noll <nbnoll@eml.cc> | 2021-10-09 10:30:50 -0700 |
---|---|---|
committer | Nicholas Noll <nbnoll@eml.cc> | 2021-10-09 10:30:50 -0700 |
commit | 6f2cac23a7e759c464ef52103fac929e1eeb6b10 (patch) | |
tree | d2412c7f82fc47bdb6dc47d82b685982e63cefe7 /sys/cmd/rc/util.c | |
parent | 80f92a7109c0bce2f4220ff1ce04ec8fd6fb9f8c (diff) |
feat(rc): added shell
Diffstat (limited to 'sys/cmd/rc/util.c')
-rw-r--r-- | sys/cmd/rc/util.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys/cmd/rc/util.c b/sys/cmd/rc/util.c new file mode 100644 index 0000000..02b3611 --- /dev/null +++ b/sys/cmd/rc/util.c @@ -0,0 +1,40 @@ +#include "rc.h" + +void * +emalloc(uintptr n) +{ + void *p = malloc(n); + if (!p) + panic("can't malloc %d bytes", n); + + return p; +} + +void * +erealloc(void *p, uintptr n) +{ + void *new = realloc(p, n); + if (!new) + panic("can't realloc %d bytes", n); + + return new; +} + +void +efree(void *p) +{ + if (p) + free(p); + else + pfmt(errio, "free <nil>\n"); +} + +void +panic(char *s, int n) +{ + pfmt(errio, "rc: "); + pfmt(errio, s, n); + pchr(errio, '\n'); + flush(&errio); + abort(); +} |