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tests: cast to avoid -Wchar-subscripts with Cygwin

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```
In file included from $HOME/src/cygwin/libssh2/libssh2-1.11.0-1.x86_64/src/libssh2-1.11.0/tests/openssh_fixture.c:57:
$HOME/src/cygwin/libssh2/libssh2-1.11.0-1.x86_64/src/libssh2-1.11.0/tests/openssh_fixture.c: In function 'run_command_varg':
$HOME/src/cygwin/libssh2/libssh2-1.11.0-1.x86_64/src/libssh2-1.11.0/tests/openssh_fixture.c:136:37: warning: array subscript has type 'char' [-Wchar-subscripts]
  136 |         while(end > 0 && isspace(buf[end - 1])) {
      |                                  ~~~^~~~~~~~~
```
Ref: https://github.com/libssh2/libssh2/files/11644340/cygwin-x86_64-libssh2-1.11.0-1-check.log

Reported-by: Brian Inglis
Fixes #1080
Closes #1081
This commit is contained in:
Viktor Szakats
2023-06-03 22:36:06 +00:00
parent 003fb454c3
commit 43df6a46b1
1 changed files with 1 additions and 1 deletions
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2
tests/openssh_fixture.c
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@@ -133,7 +133,7 @@ static int run_command_varg(char **output, const char *command, va_list args)
/* command output may contain a trailing newline, so we trim
* whitespace here */
size_t end = strlen(buf);
while(end > 0 && isspace(buf[end - 1])) {
while(end > 0 && isspace((int)buf[end - 1])) {
buf[end - 1] = '\0';
}