From 7ae5c14d2b4cc2dce023dac9bdf6020962c7bcec Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 13 Apr 2021 16:46:12 +0000
Subject: library: replace all uses of stat() and lstat() with fstatat()
 counterparts.

---
 src/logic/slbt_exec_install.c | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'src/logic/slbt_exec_install.c')

diff --git a/src/logic/slbt_exec_install.c b/src/logic/slbt_exec_install.c
index 4aafd0f..5adfd34 100644
--- a/src/logic/slbt_exec_install.c
+++ b/src/logic/slbt_exec_install.c
@@ -70,12 +70,15 @@ static int slbt_exec_install_init_dstdir(
 	struct argv_entry *	last,
 	char *			dstdir)
 {
+	int		fdcwd;
 	struct stat	st;
 	char *		slash;
 	size_t		len;
 
-	(void)dctx;
+	/* fdcwd */
+	fdcwd = slbt_driver_fdcwd(dctx);
 
+	/* last */
 	if (dest)
 		last = dest;
 
@@ -95,7 +98,7 @@ static int slbt_exec_install_init_dstdir(
 		return 0;
 
 	/* is DEST a directory? */
-	if (!(stat(dstdir,&st)))
+	if (!fstatat(fdcwd,dstdir,&st,0))
 		if (S_ISDIR(st.st_mode))
 			return 0;
 
@@ -335,6 +338,7 @@ static int slbt_exec_install_entry(
 	char **				dst)
 {
 	int		ret;
+	int		fdcwd;
 	char *		dot;
 	char *		base;
 	char *		slash;
@@ -359,10 +363,15 @@ static int slbt_exec_install_entry(
 			entry->arg) >= sizeof(slnkname))
 		return SLBT_BUFFER_ERROR(dctx);
 
-	fexe = stat(slnkname,&st)
+	/* fdcwd */
+	fdcwd = slbt_driver_fdcwd(dctx);
+
+	/* fexe */
+	fexe = fstatat(fdcwd,slnkname,&st,0)
 		? false
 		: true;
 
+	/* argument suffix */
 	dot  = strrchr(entry->arg,'.');
 
 	/* .lai --> .la */
@@ -389,7 +398,7 @@ static int slbt_exec_install_entry(
 			srcfile) >= sizeof(slnkname))
 		return SLBT_BUFFER_ERROR(dctx);
 
-	if (!stat(slnkname,&st)) {
+	if (!fstatat(fdcwd,slnkname,&st,0)) {
 		if (slbt_readlink(slnkname,target,sizeof(target)) < 0)
 			return SLBT_SYSTEM_ERROR(dctx,slnkname);
 
@@ -436,7 +445,7 @@ static int slbt_exec_install_entry(
 
 	/* libfoo.a --> libfoo.so.release */
 	sprintf(dot,"%s.release",dsosuffix);
-	frelease = stat(slnkname,&st) ? false : true;
+	frelease = fstatat(fdcwd,slnkname,&st,0) ? false : true;
 
 	/* libfoo.a --> libfoo.so */
 	strcpy(dot,dsosuffix);
@@ -460,7 +469,7 @@ static int slbt_exec_install_entry(
 			slnkname) >= sizeof(dstfile))
 		return SLBT_BUFFER_ERROR(dctx);
 
-	fpe = stat(dstfile,&st) ? false : true;
+	fpe = fstatat(fdcwd,dstfile,&st,0) ? false : true;
 
 	/* basename */
 	if ((base = strrchr(slnkname,'/')))
@@ -475,7 +484,7 @@ static int slbt_exec_install_entry(
 			return 0;
 
 		/* -avoid-version? */
-		if (stat(slnkname,&st))
+		if (fstatat(fdcwd,slnkname,&st,0))
 			return SLBT_SYSTEM_ERROR(dctx,slnkname);
 
 		/* dstfile */
-- 
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