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author | Pedro Alves <pedro@palves.net> | 2020-09-20 15:58:09 +0100 |
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committer | Pedro Alves <pedro@palves.net> | 2020-09-20 15:58:09 +0100 |
commit | dbc49e9ffa4c95413f38e31dae652329fd22dda2 (patch) | |
tree | 70fcb264ac3d340ddfb693ce0bb8fbcd7e403408 /gdb/testsuite/gdb.base/testenv.exp | |
parent | 851257b5fc3a21659cfb2504c03001535756cf4a (diff) | |
download | binutils-gdb-dbc49e9ffa4c95413f38e31dae652329fd22dda2.tar.gz |
Robustify gdb.base/testenv.exp:find_env
If printing 'envp[$i]' in find_env fails, the testcase goes into an
infinite loop:
Running /home/pedro/rocm/gdb/build/gdb/testsuite/../../../src/gdb/testsuite/gdb.base/testenv.exp ...
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[0] ? envp[0] : ""
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[1] ? envp[1] : ""
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[2] ? envp[2] : ""
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[3] ? envp[3] : ""
...
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[2519] ? envp[2519] : ""
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[2520] ? envp[2520] : ""
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[2521] ? envp[2521] : ""
..
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[5128] ? envp[5128] : ""
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[5129] ? envp[5129] : ""
FAIL: gdb.base/testenv.exp: test_inherit_env_var: test1: printf "var1: %s\n", envp[5130] ? envp[5130] : ""
...
Fix that by bailing out of the loop on failure.
gdb/testsuite/ChangeLog:
* gdb.base/testenv.exp (find_env): Bail out if printing 'envp[$i]'
fails.
Diffstat (limited to 'gdb/testsuite/gdb.base/testenv.exp')
-rw-r--r-- | gdb/testsuite/gdb.base/testenv.exp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/testenv.exp b/gdb/testsuite/gdb.base/testenv.exp index 1599b72c27b..4dea043472c 100644 --- a/gdb/testsuite/gdb.base/testenv.exp +++ b/gdb/testsuite/gdb.base/testenv.exp @@ -68,6 +68,12 @@ proc find_env {varname} { -re "var: \(\[^\r\n\]*\)\r\n$gdb_prompt $" { set var $expect_out(1,string) } + -re "$gdb_prompt $" { + # If this fails, bail out, otherwise we get stuck in + # an infinite loop. The caller will end up emiting a + # FAIL. + return "<fail>" + } } if {[string match "$varname=*" $var]} { |