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basename: fix case: basename "" ""

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This should return "", not "."
This commit is contained in:
Hiltjo Posthuma 2025-11-05 19:05:28 +01:00 committed by Roberto E. Vargas Caballero
parent b93f0c750d
commit 314a2d20cb
1 changed files with 3 additions and 2 deletions
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3
basename.c
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@ -16,7 +16,7 @@ main(int argc, char *argv[])
{ {
ssize_t off; ssize_t off;
size_t slen; size_t slen;
char *p; char *p = "";
ARGBEGIN { ARGBEGIN {
default: default:
@ -26,6 +26,7 @@ main(int argc, char *argv[])
if (argc != 1 && argc != 2) if (argc != 1 && argc != 2)
usage(); usage();
if (argv[0][0])
p = basename(argv[0]); p = basename(argv[0]);
if (argc == 2 && (slen = strlen(argv[1])) > 0) { if (argc == 2 && (slen = strlen(argv[1])) > 0) {
off = strlen(p) - slen; off = strlen(p) - slen;