diff options
Diffstat (limited to 'string/strsignal.c')
| -rw-r--r-- | string/strsignal.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/string/strsignal.c b/string/strsignal.c index 3114601..d9b0365 100644 --- a/string/strsignal.c +++ b/string/strsignal.c @@ -21,6 +21,7 @@ #include <string.h> #include <libintl.h> #include <tls-internal.h> +#include <libc-internal.h> /* Return a string describing the meaning of the signal number SIGNUM. */ char * @@ -30,21 +31,28 @@ strsignal (int signum) if (desc != NULL) return _(desc); - struct tls_internal_t *tls_internal = __glibc_tls_internal (); - free (tls_internal->strsignal_buf); + if (__libc_initial) + { + struct tls_internal_t *tls_internal = __glibc_tls_internal (); + free (tls_internal->strsignal_buf); - int r; + int r; #ifdef SIGRTMIN - if (signum >= SIGRTMIN && signum <= SIGRTMAX) - r = __asprintf (&tls_internal->strsignal_buf, _("Real-time signal %d"), - signum - SIGRTMIN); - else + if (signum >= SIGRTMIN && signum <= SIGRTMAX) + r = __asprintf (&tls_internal->strsignal_buf, _("Real-time signal %d"), + signum - SIGRTMIN); + else #endif - r = __asprintf (&tls_internal->strsignal_buf, _("Unknown signal %d"), - signum); - - if (r == -1) - tls_internal->strsignal_buf = NULL; - - return tls_internal->strsignal_buf; + r = __asprintf (&tls_internal->strsignal_buf, _("Unknown signal %d"), + signum); + + if (r >= 0) + return tls_internal->strsignal_buf; + else + tls_internal->strsignal_buf = NULL; + } + /* Fall through on asprintf error, and for !__libc_initial: + secondary namespaces use a different malloc and cannot + participate in the buffer management. */ + return _("Unknown signal"); } |