diff --git a/libbacktrace/config.h.in b/libbacktrace/config.h.in index 94621c2e385..29d1ad3911a 100644 --- a/libbacktrace/config.h.in +++ b/libbacktrace/config.h.in @@ -100,6 +100,9 @@ /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H +/* Define to 1 if you have the header file. */ +#undef HAVE_WINDOWS_H + /* Define if -lz is available. */ #undef HAVE_ZLIB diff --git a/libbacktrace/configure b/libbacktrace/configure index 6af2c04c81a..0a27cfb7799 100755 --- a/libbacktrace/configure +++ b/libbacktrace/configure @@ -13409,6 +13409,19 @@ $as_echo "#define HAVE_LOADQUERY 1" >>confdefs.h fi +for ac_header in windows.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "windows.h" "ac_cv_header_windows_h" "$ac_includes_default" +if test "x$ac_cv_header_windows_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_WINDOWS_H 1 +_ACEOF + +fi + +done + + # Check for the fcntl function. if test -n "${with_target_subdir}"; then case "${host}" in diff --git a/libbacktrace/configure.ac b/libbacktrace/configure.ac index 39e6bf41e35..e3e10abd7b5 100644 --- a/libbacktrace/configure.ac +++ b/libbacktrace/configure.ac @@ -377,6 +377,8 @@ if test "$have_loadquery" = "yes"; then AC_DEFINE(HAVE_LOADQUERY, 1, [Define if AIX loadquery is available.]) fi +AC_CHECK_HEADERS(windows.h) + # Check for the fcntl function. if test -n "${with_target_subdir}"; then case "${host}" in diff --git a/libbacktrace/fileline.c b/libbacktrace/fileline.c index 674bf33cdcf..e110b54ee24 100644 --- a/libbacktrace/fileline.c +++ b/libbacktrace/fileline.c @@ -47,6 +47,18 @@ POSSIBILITY OF SUCH DAMAGE. */ #include #endif +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_MEAN_AND_LEAN +#define WIN32_MEAN_AND_LEAN +#endif + +#ifndef NOMINMAX +#define NOMINMAX +#endif + +#include +#endif + #include "backtrace.h" #include "internal.h" @@ -155,6 +167,27 @@ macho_get_executable_path (struct backtrace_state *state, #endif /* !defined (HAVE_MACH_O_DYLD_H) */ +#ifdef HAVE_WINDOWS_H + +static char * +windows_get_executable_path (char *buf, backtrace_error_callback error_callback, + void *data) +{ + size_t got; + + got = GetModuleFileNameA (NULL, buf, MAX_PATH - 1); + if (got == 0 + || (got == MAX_PATH - 1 && GetLastError () == ERROR_INSUFFICIENT_BUFFER)) + return NULL; + return buf; +} + +#else /* !defined (HAVE_WINDOWS_H) */ + +#define windows_get_executable_path(buf, error_callback, data) NULL + +#endif /* !defined (HAVE_WINDOWS_H) */ + /* Initialize the fileline information from the executable. Returns 1 on success, 0 on failure. */ @@ -168,7 +201,11 @@ fileline_initialize (struct backtrace_state *state, int called_error_callback; int descriptor; const char *filename; +#ifdef HAVE_WINDOWS_H + char buf[MAX_PATH]; +#else char buf[64]; +#endif if (!state->threaded) failed = state->fileline_initialization_failed; @@ -192,7 +229,7 @@ fileline_initialize (struct backtrace_state *state, descriptor = -1; called_error_callback = 0; - for (pass = 0; pass < 8; ++pass) + for (pass = 0; pass < 9; ++pass) { int does_not_exist; @@ -224,6 +261,9 @@ fileline_initialize (struct backtrace_state *state, case 7: filename = macho_get_executable_path (state, error_callback, data); break; + case 8: + filename = windows_get_executable_path (buf, error_callback, data); + break; default: abort (); }