commit 07ad49102564bf72092cc8080322852308490065
from: Omar Polo <op@omarpolo.com>
date: Fri Aug 11 10:40:58 2023 UTC

getcwd(NULL) is an extension; don't rely on it

also, while here, add some error checking too

commit - 95500a936a1b0e42d304315fd2f7ae20ca391042
commit + 07ad49102564bf72092cc8080322852308490065
blob - f75fa1c1eafb0c2d8ab9069b2d490e5666ee1f08
blob + 47a9a21c1d430b3fc36576680198cf9cd9b6cc11
--- utils.c
+++ utils.c
@@ -67,7 +67,7 @@ ends_with(const char *str, const char *sufx)
 char *
 absolutify_path(const char *path)
 {
-	char *wd, *r;
+	char wd[PATH_MAX], *r;
 
 	if (*path == '/') {
 		if ((r = strdup(path)) == NULL)
@@ -75,10 +75,10 @@ absolutify_path(const char *path)
 		return r;
 	}
 
-	wd = getcwd(NULL, 0);
+	if (getcwd(wd, sizeof(wd)) == NULL)
+		fatal("getcwd");
 	if (asprintf(&r, "%s/%s", wd, path) == -1)
 		fatal("asprintf");
-	free(wd);
 	return r;
 }