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Fix libmount build under uClibc
See https://bugs.gentoo.org/show_bug.cgi?id=406303
http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/sys-apps/util-linux/files/util-linux-2.21.1-no-printf-alloc.patch?revision=1.2
[Gustavo: Ported to util-linux-2.25.1]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
diff -Nura util-linux-2.25.1.orig/configure.ac util-linux-2.25.1/configure.ac
--- util-linux-2.25.1.orig/configure.ac 2014-09-05 10:44:45.302080174 -0300
+++ util-linux-2.25.1/configure.ac 2014-09-05 10:45:07.183832640 -0300
@@ -791,7 +791,6 @@
UL_BUILD_INIT([libmount])
UL_REQUIRES_LINUX([libmount])
UL_REQUIRES_BUILD([libmount], [libblkid])
-UL_REQUIRES_HAVE([libmount], [scanf_alloc_modifier], [scanf string alloc modifier])
AM_CONDITIONAL([BUILD_LIBMOUNT], [test "x$build_libmount" = xyes])
AM_CONDITIONAL([BUILD_LIBMOUNT_TESTS], [test "x$build_libmount" = xyes -a "x$enable_static" = xyes])
diff -Nura util-linux-2.25.1.orig/lib/colors.c util-linux-2.25.1/lib/colors.c
--- util-linux-2.25.1.orig/lib/colors.c 2014-09-05 10:44:45.301080140 -0300
+++ util-linux-2.25.1/lib/colors.c 2014-09-05 13:12:00.175205476 -0300
@@ -16,6 +16,10 @@
#include "pathnames.h"
#include "strutils.h"
+#ifndef HAVE_SCANF_MS_MODIFIER
+# define UL_SCNsA "%s"
+#endif
+
/*
* terminal-colors.d file types
*/
@@ -577,9 +581,19 @@
if (*p == '\0' || *p == '#')
continue;
+#ifndef HAVE_SCANF_MS_MODIFIER
+ size_t len = strlen(p) + 1;
+ cn = malloc(len);
+ seq = malloc(len);
+#endif
+
rc = sscanf(p, UL_SCNsA" " /* name */
UL_SCNsA, /* color */
+#ifdef HAVE_SCANF_MS_MODIFIER
&cn, &seq);
+#else
+ cn, seq);
+#endif
if (rc == 2 && cn && seq)
rc = colors_add_scheme(cc, cn, seq); /* set rc=0 on success */
if (rc) {
diff -Nura util-linux-2.25.1.orig/libmount/src/tab_parse.c util-linux-2.25.1/libmount/src/tab_parse.c
--- util-linux-2.25.1.orig/libmount/src/tab_parse.c 2014-09-05 10:44:45.276079280 -0300
+++ util-linux-2.25.1/libmount/src/tab_parse.c 2014-09-05 10:51:22.500738967 -0300
@@ -22,6 +22,10 @@
#include "pathnames.h"
#include "strutils.h"
+#ifndef HAVE_SCANF_MS_MODIFIER
+# define UL_SCNsA "%s"
+#endif
+
static int next_number(char **s, int *num)
{
char *end = NULL;
@@ -52,16 +56,31 @@
int rc, n = 0, xrc;
char *src = NULL, *fstype = NULL, *optstr = NULL;
+#ifndef HAVE_SCANF_MS_MODIFIER
+ size_t len = strlen(s) + 1;
+ src = malloc(len);
+ fstype = malloc(len);
+ fs->target = malloc(len);
+ optstr = malloc(len);
+#endif
+
rc = sscanf(s, UL_SCNsA" " /* (1) source */
UL_SCNsA" " /* (2) target */
UL_SCNsA" " /* (3) FS type */
UL_SCNsA" " /* (4) options */
"%n", /* byte count */
+#ifdef HAVE_SCANF_MS_MODIFIER
&src,
&fs->target,
&fstype,
&optstr,
+#else
+ src,
+ fs->target,
+ fstype,
+ optstr,
+#endif
&n);
xrc = rc;
@@ -127,6 +146,16 @@
unsigned int maj, min;
char *fstype = NULL, *src = NULL, *p;
+#ifndef HAVE_SCANF_MS_MODIFIER
+ size_t len = strlen(s) + 1;
+ fs->root = malloc(len);
+ fs->target = malloc(len);
+ fs->vfs_optstr = malloc(len);
+ fs->fs_optstr = malloc(len);
+ fstype = malloc(len);
+ src = malloc(len);
+#endif
+
rc = sscanf(s, "%d " /* (1) id */
"%d " /* (2) parent */
"%u:%u " /* (3) maj:min */
@@ -138,9 +167,15 @@
&fs->id,
&fs->parent,
&maj, &min,
+#ifdef HAVE_SCANF_MS_MODIFIER
&fs->root,
&fs->target,
&fs->vfs_optstr,
+#else
+ fs->root,
+ fs->target,
+ fs->vfs_optstr,
+#endif
&end);
if (rc >= 7 && end > 0)
@@ -160,9 +195,15 @@
UL_SCNsA" " /* (9) source */
UL_SCNsA, /* (10) fs options (fs specific) */
+#ifdef HAVE_SCANF_MS_MODIFIER
&fstype,
&src,
&fs->fs_optstr);
+#else
+ fstype,
+ src,
+ fs->fs_optstr);
+#endif
if (rc >= 10) {
size_t sz;
@@ -281,14 +322,25 @@
int rc;
char *src = NULL;
+#ifndef HAVE_SCANF_MS_MODIFIER
+ size_t len = strlen(s) + 1;
+ src = malloc(len);
+ fs->swaptype = malloc(len);
+#endif
+
rc = sscanf(s, UL_SCNsA" " /* (1) source */
UL_SCNsA" " /* (2) type */
"%ju" /* (3) size */
"%ju" /* (4) used */
"%d", /* priority */
+#ifdef HAVE_SCANF_MS_MODIFIER
&src,
&fs->swaptype,
+#else
+ src,
+ fs->swaptype,
+#endif
&fsz,
&usz,
&fs->priority);
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