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Check return values of functions declared with warn_unused_result

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attribute in GLIBC 2.8.
* cli/cli-cmds.c (pwd_command): Check return value from getcwd.
* inflow.c (check_syscall): New function.
(new_tty): Use check_syscall to check return values from open and dup.
* linux-nat.c (linux_nat_info_proc_cmd): Check return value from fgets.
* main.c (captured_main): Call cwd after setting up gdb_stderr;
check for errors from getcwd.
* mi/mi-cmd-env.c (mi_cmd_env_pwd): Check return value from getcwd.
* ui-file.c (stdio_file_write): Ignore return value from fwrite.
(stdio_file_fputs): Same.
* utils.c (internal_vproblem): abort if last-ditch error message
write fails.
This commit is contained in:
Jim Blandy
2009-01-06 18:31:59 +00:00
parent fdb7262ae4
commit bf1d7d9ce0
8 changed files with 68 additions and 21 deletions
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4
gdb/cli/cli-cmds.c
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@@ -320,7 +320,9 @@ pwd_command (char *args, int from_tty)
{
if (args)
error (_("The \"pwd\" command does not take an argument: %s"), args);
getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
error (_("Error finding name of working directory: %s"),
safe_strerror (errno));
if (strcmp (gdb_dirbuf, current_directory) != 0)
printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),