Module Name: src Committed By: maxv Date: Mon Jun 30 17:31:15 UTC 2014
Modified Files: src/sys/kern: exec_script.c Log Message: Reorder two variables and fix some comments. To generate a diff of this commit: cvs rdiff -u -r1.72 -r1.73 src/sys/kern/exec_script.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/kern/exec_script.c diff -u src/sys/kern/exec_script.c:1.72 src/sys/kern/exec_script.c:1.73 --- src/sys/kern/exec_script.c:1.72 Mon Jun 30 17:22:32 2014 +++ src/sys/kern/exec_script.c Mon Jun 30 17:31:15 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: exec_script.c,v 1.72 2014/06/30 17:22:32 maxv Exp $ */ +/* $NetBSD: exec_script.c,v 1.73 2014/06/30 17:31:15 maxv Exp $ */ /* * Copyright (c) 1993, 1994, 1996 Christopher G. Demetriou @@ -31,7 +31,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: exec_script.c,v 1.72 2014/06/30 17:22:32 maxv Exp $"); +__KERNEL_RCSID(0, "$NetBSD: exec_script.c,v 1.73 2014/06/30 17:31:15 maxv Exp $"); #if defined(SETUIDSCRIPTS) && !defined(FDSCRIPTS) #define FDSCRIPTS /* Need this for safe set-id scripts. */ @@ -138,11 +138,8 @@ exec_script_makecmds(struct lwp *l, stru return ENOEXEC; /* - * check that the shell spec is terminated by a newline, - * and that it isn't too large. Don't modify the - * buffer unless we're ready to commit to handling it. - * (The latter requirement means that we have to check - * for both spaces and tabs later on.) + * Check that the shell spec is terminated by a newline, and that + * it isn't too large. */ hdrlinelen = min(epp->ep_hdrvalid, SCRIPT_HDR_SIZE); for (cp = hdrstr + EXEC_SCRIPT_MAGICLEN; cp < hdrstr + hdrlinelen; @@ -155,10 +152,6 @@ exec_script_makecmds(struct lwp *l, stru if (cp >= hdrstr + hdrlinelen) return ENOEXEC; - shellname = NULL; - shellarg = NULL; - shellarglen = 0; - /* strip spaces before the shell name */ for (cp = hdrstr + EXEC_SCRIPT_MAGICLEN; *cp == ' ' || *cp == '\t'; cp++) @@ -166,7 +159,10 @@ exec_script_makecmds(struct lwp *l, stru if (*cp == '\0') return ENOEXEC; - /* collect the shell name; remember it's length for later */ + shellarg = NULL; + shellarglen = 0; + + /* collect the shell name; remember its length for later */ shellname = cp; shellnamelen = 0; for ( /* cp = cp */ ; *cp != '\0' && *cp != ' ' && *cp != '\t'; cp++)