cut: Avoid undefined behavior.

Summary: UBSAN complains about p[signed - unsigned] wrapping around.

Reviewed by:	kevans
Differential Revision: https://reviews.freebsd.org/D53226

This commit is contained in:

Bryan Drewery

2025-10-20 11:33:31 -07:00

parent 30394f3c87

commit 35f375549c

1 changed files with 2 additions and 2 deletions

									
										usr.bin/cut/cut.c
									
		+2
		-2
	
												View File
												
				@@ -448,8 +448,8 @@ f_cut(FILE *fp, const char *fname)

									break;

								}

								if (*pos)

									for (i = 0; i < (int)clen; i++)

										putchar(p[i - clen]);

									(void)fwrite(p - clen, 1, clen,

									    stdout);

							}

							if (ch == '\n')

								break;