diff options
| author | Chen Gang <gang.chen@sunrus.com.cn> | 2015-01-09 10:40:42 +0800 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2015-01-09 09:18:32 +0000 |
| commit | 3ce348af7f45f00d5acbdc4e1ef22c5f14724408 (patch) | |
| tree | 01244382db975135e235fb02a221a457bd2a7689 | |
| parent | 1c237a09afdecc5a68fd5b566abba28503333148 (diff) | |
| download | gdb-3ce348af7f45f00d5acbdc4e1ef22c5f14724408.zip gdb-3ce348af7f45f00d5acbdc4e1ef22c5f14724408.tar.gz gdb-3ce348af7f45f00d5acbdc4e1ef22c5f14724408.tar.bz2 | |
gdb/compile/compile.c: Check return value of 'system' to avoid compiler warning
Under Ubuntu 12, we need to check the return value of system(), or the
compiler warns:
gcc -g -O2 -I. -I../../binutils-gdb/gdb -I../../binutils-gdb/gdb/common -I../../binutils-gdb/gdb/config -DLOCALEDIR="\"/usr/local/share/locale\"" -DHAVE_CONFIG_H -I../../binutils-gdb/gdb/../include/opcode -I../../binutils-gdb/gdb/../opcodes/.. -I../../binutils-gdb/gdb/../readline/.. -I../bfd -I../../binutils-gdb/gdb/../bfd -I../../binutils-gdb/gdb/../include -I../libdecnumber -I../../binutils-gdb/gdb/../libdecnumber -I../../binutils-gdb/gdb/gnulib/import -Ibuild-gnulib/import -DTUI=1 -Wall -Wdeclaration-after-statement -Wpointer-arith -Wpointer-sign -Wno-unused -Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts -Wmissing-prototypes -Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type -Wold-style-declaration -Wold-style-definition -Wformat-nonliteral -Werror -c -o compile.o -MT compile.o -MMD -MP -MF .deps/compile.Tpo ../../binutils-gdb/gdb/compile/compile.c
../../binutils-gdb/gdb/compile/compile.c: In function ‘do_rmdir’:
../../binutils-gdb/gdb/compile/compile.c:175:10: error: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Werror=unused-result]
cc1: all warnings being treated as errors
make[2]: *** [compile.o] Error 1
make[2]: Leaving directory `/upstream/build-binutils-s390/gdb'
make[1]: *** [all-gdb] Error 2
make[1]: Leaving directory `/upstream/build-binutils-s390'
make: *** [all] Error 2
Also, 'zap' is leaking.
2015-01-09 Chen Gang <gang.chen.5i5j@gmail.com>
Pedro Alves <palves@redhat.com>
* compile/compile.c: Include "gdb_wait.h".
(do_rmdir): Check return value, and free 'zap'.
| -rw-r--r-- | gdb/compile/compile.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gdb/compile/compile.c b/gdb/compile/compile.c index 1d18bd7..ccac49d 100644 --- a/gdb/compile/compile.c +++ b/gdb/compile/compile.c @@ -37,6 +37,7 @@ #include "filestuff.h" #include "target.h" #include "osabi.h" +#include "gdb_wait.h" @@ -169,10 +170,14 @@ do_rmdir (void *arg) { const char *dir = arg; char *zap; - + int wstat; + gdb_assert (strncmp (dir, TMP_PREFIX, strlen (TMP_PREFIX)) == 0); zap = concat ("rm -rf ", dir, (char *) NULL); - system (zap); + wstat = system (zap); + if (wstat == -1 || !WIFEXITED (wstat) || WEXITSTATUS (wstat) != 0) + warning (_("Could not remove temporary directory %s"), dir); + XDELETEVEC (zap); } /* Return the name of the temporary directory to use for .o files, and |