Module Name: src Committed By: christos Date: Thu Apr 13 13:55:23 UTC 2017
Modified Files: src/usr.bin/make: main.c Log Message: PR/52159: Jamie Landeg-Jones: Don't try to expand $'s in paths or system variables. Only expand them ${MAKE} variable values. To generate a diff of this commit: cvs rdiff -u -r1.259 -r1.260 src/usr.bin/make/main.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/usr.bin/make/main.c diff -u src/usr.bin/make/main.c:1.259 src/usr.bin/make/main.c:1.260 --- src/usr.bin/make/main.c:1.259 Sun Mar 26 13:16:03 2017 +++ src/usr.bin/make/main.c Thu Apr 13 09:55:23 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: main.c,v 1.259 2017/03/26 17:16:03 sjg Exp $ */ +/* $NetBSD: main.c,v 1.260 2017/04/13 13:55:23 christos Exp $ */ /* * Copyright (c) 1988, 1989, 1990, 1993 @@ -69,7 +69,7 @@ */ #ifndef MAKE_NATIVE -static char rcsid[] = "$NetBSD: main.c,v 1.259 2017/03/26 17:16:03 sjg Exp $"; +static char rcsid[] = "$NetBSD: main.c,v 1.260 2017/04/13 13:55:23 christos Exp $"; #else #include <sys/cdefs.h> #ifndef lint @@ -81,7 +81,7 @@ __COPYRIGHT("@(#) Copyright (c) 1988, 19 #if 0 static char sccsid[] = "@(#)main.c 8.3 (Berkeley) 3/19/94"; #else -__RCSID("$NetBSD: main.c,v 1.259 2017/03/26 17:16:03 sjg Exp $"); +__RCSID("$NetBSD: main.c,v 1.260 2017/04/13 13:55:23 christos Exp $"); #endif #endif /* not lint */ #endif @@ -691,22 +691,15 @@ Boolean Main_SetObjdir(const char *fmt, ...) { struct stat sb; - char *p, *path; - char buf[MAXPATHLEN + 1], pbuf[MAXPATHLEN + 1]; + char *path; + char buf[MAXPATHLEN + 1]; Boolean rc = FALSE; va_list ap; va_start(ap, fmt); - vsnprintf(path = pbuf, MAXPATHLEN, fmt, ap); + vsnprintf(path = buf, MAXPATHLEN, fmt, ap); va_end(ap); - /* expand variable substitutions */ - if (strchr(path, '$') != 0) { - snprintf(buf, MAXPATHLEN, "%s", path); - path = p = Var_Subst(NULL, buf, VAR_GLOBAL, VARF_WANTRES); - } else - p = NULL; - if (path[0] != '/') { snprintf(buf, MAXPATHLEN, "%s/%s", curdir, path); path = buf; @@ -729,19 +722,28 @@ Main_SetObjdir(const char *fmt, ...) } } - free(p); return rc; } static Boolean Main_SetVarObjdir(const char *var, const char *suffix) { - char *p1, *path; - if ((path = Var_Value(var, VAR_CMD, &p1)) == NULL) + char *p, *path, *xpath; + + if ((path = Var_Value(var, VAR_CMD, &p)) == NULL) return FALSE; - (void)Main_SetObjdir("%s%s", path, suffix); - free(p1); + /* expand variable substitutions */ + if (strchr(path, '$') != 0) + xpath = Var_Subst(NULL, path, VAR_GLOBAL, VARF_WANTRES); + else + xpath = path; + + (void)Main_SetObjdir("%s%s", xpath, suffix); + + if (xpath != path) + free(xpath); + free(p); return TRUE; }