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tests: fix warn unused result on asprintf calls

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When enabling _FORTIFY_SOURCE, some functions now lead to warnings when
their result is not checked.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
This commit is contained in:
Frédéric Bérat 2023-06-02 17:28:06 +02:00 committed by Siddhesh Poyarekar
parent 7d42120928
commit 8c4f69d711
10 changed files with 29 additions and 58 deletions
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6
argp/argp-test.c
View File

@ -25,6 +25,8 @@
#include <string.h>
#include <argp.h>
#include <support/support.h>
const char *argp_program_version = "argp-test 1.0";
struct argp_option sub_options[] =
@ -178,11 +180,11 @@ help_filter (int key, const char *text, void *input)
if (key == ARGP_KEY_HELP_POST_DOC && text)
{
time_t now = time (0);
asprintf (&new_text, text, ctime (&now));
new_text = xasprintf (text, ctime (&now));
}
else if (key == 'f')
/* Show the default for the --foonly option. */
asprintf (&new_text, "%s (ZOT defaults to %x)",
new_text = xasprintf ("%s (ZOT defaults to %x)",
text, params->foonly_default);
else
new_text = (char *)text;

8
posix/tst-execl2.c
View File

@ -18,12 +18,8 @@ prepare (int argc, char *argv[])
{
char *buf;
int off;
asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
if (buf == NULL)
{
puts ("asprintf failed");
exit (1);
}
buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
if (system (buf) != 0)
{
puts ("system failed");

8
posix/tst-execle2.c
View File

@ -18,12 +18,8 @@ prepare (int argc, char *argv[])
{
char *buf;
int off;
asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
if (buf == NULL)
{
puts ("asprintf failed");
exit (1);
}
buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
if (system (buf) != 0)
{
puts ("system failed");

17
posix/tst-execlp2.c
View File

@ -22,12 +22,8 @@ prepare (int argc, char *argv[])
{
char *buf;
int off;
asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
if (buf == NULL)
{
puts ("asprintf failed");
exit (1);
}
buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
if (system (buf) != 0)
{
puts ("system failed");
@ -58,13 +54,8 @@ do_test (void)
puts ("canonicalize_file_name failed");
return 1;
}
char *path;
asprintf (&path, "%s:../libio:../elf", bindir);
if (path == NULL)
{
puts ("asprintf failed");
return 1;
}
char *path = xasprintf ("%s:../libio:../elf", bindir);
setenv ("PATH", path, 1);

8
posix/tst-execv2.c
View File

@ -18,12 +18,8 @@ prepare (int argc, char *argv[])
{
char *buf;
int off;
asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
if (buf == NULL)
{
puts ("asprintf failed");
exit (1);
}
buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
if (system (buf) != 0)
{
puts ("system failed");

8
posix/tst-execve2.c
View File

@ -18,12 +18,8 @@ prepare (int argc, char *argv[])
{
char *buf;
int off;
asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
if (buf == NULL)
{
puts ("asprintf failed");
exit (1);
}
buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
if (system (buf) != 0)
{
puts ("system failed");

17
posix/tst-execvp2.c
View File

@ -25,12 +25,8 @@ prepare (int argc, char *argv[])
{
char *buf;
int off;
asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
if (buf == NULL)
{
puts ("asprintf failed");
exit (1);
}
buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
if (system (buf) != 0)
{
puts ("system failed");
@ -61,13 +57,8 @@ do_test (void)
puts ("canonicalize_file_name failed");
return 1;
}
char *path;
asprintf (&path, "%s:../libio:../elf", bindir);
if (path == NULL)
{
puts ("asprintf failed");
return 1;
}
char *path = xasprintf ("%s:../libio:../elf", bindir);
setenv ("PATH", path, 1);

4
stdio-common/bug5.c
View File

@ -7,6 +7,8 @@
#include <stdlib.h>
#include <unistd.h>
#include <support/support.h>
static char buf[8192];
int
@ -60,7 +62,7 @@ main (void)
the perhaps incompatible new shared libraries. */
unsetenv ("LD_LIBRARY_PATH");
asprintf (&printbuf, "cmp %s %s", inname, outname);
printbuf = xasprintf ("cmp %s %s", inname, outname);
result = system (printbuf);
remove (inname);
remove (outname);

4
stdio-common/test-fwrite.c
View File

@ -1,6 +1,8 @@
#include <stdio.h>
#include <string.h>
#include <support/support.h>
static int
do_test (void)
{
@ -57,7 +59,7 @@ do_test (void)
return 1;
}
asprintf (&line, "\
line = xasprintf ("\
GDB is free software and you are welcome to distribute copies of it\n\
under certain conditions; type \"show copying\" to see the conditions.\n\
There is absolutely no warranty for GDB; type \"show warranty\" for details.\n\

5
stdio-common/tst-fseek.c
View File

@ -25,6 +25,7 @@
#include <time.h>
#include <sys/stat.h>
#include <support/support.h>
static int
do_test (void)
@ -44,9 +45,7 @@ do_test (void)
if (tmpdir == NULL || tmpdir[0] == '\0')
tmpdir = "/tmp";
asprintf (&fname, "%s/tst-fseek.XXXXXX", tmpdir);
if (fname == NULL)
error (EXIT_FAILURE, errno, "cannot generate name for temporary file");
fname = xasprintf ("%s/tst-fseek.XXXXXX", tmpdir);
/* Create a temporary file. */
fd = mkstemp (fname);