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gdbstub: Fix const qualifier build errors with recent glibc

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A recent change in glibc 2.42.9000 [1] changes the return type of
strstr() and other string functions to be 'const char *' when the
input is a 'const char *'. This breaks the build in :

../gdbstub/user.c:322:21: error: assignment discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
  322 |     pid_placeholder = strstr(path, "%d");
      |                     ^
Fix this by changing the type of the variables that store the result
of these functions to 'const char *'.

[1] https://sourceware.org/git/?p=glibc.git;a=commit;h=cd748a63ab1a7ae846175c532a3daab341c62690

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/qemu-devel/20251215101937.281722-5-clg@redhat.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Cédric Le Goater 2025-12-15 11:19:37 +01:00
parent dfe87815ba
commit d7e1df7699
1 changed files with 1 additions and 1 deletions
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2
gdbstub/user.c
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@ -317,7 +317,7 @@ static bool gdb_accept_socket(int gdb_fd)
static int gdbserver_open_socket(const char *path, Error **errp) static int gdbserver_open_socket(const char *path, Error **errp)
{ {
g_autoptr(GString) buf = g_string_new(""); g_autoptr(GString) buf = g_string_new("");
char *pid_placeholder; const char *pid_placeholder;
pid_placeholder = strstr(path, "%d"); pid_placeholder = strstr(path, "%d");
if (pid_placeholder != NULL) { if (pid_placeholder != NULL) {