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libbacktrace: call GetModuleFileNameA on Windows (25889d2)
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@ -47,6 +47,18 @@ POSSIBILITY OF SUCH DAMAGE. */
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#include <mach-o/dyld.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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#ifndef WIN32_MEAN_AND_LEAN
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#define WIN32_MEAN_AND_LEAN
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#endif
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#include <windows.h>
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#endif
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#include "backtrace.hpp"
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#include "internal.hpp"
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@ -168,6 +180,37 @@ macho_get_executable_path (struct backtrace_state *state,
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#endif /* !HAVE_DECL__PGMPTR */
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#ifdef HAVE_WINDOWS_H
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#define FILENAME_BUF_SIZE (MAX_PATH)
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static char *
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windows_get_executable_path (char *buf, backtrace_error_callback error_callback,
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void *data)
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{
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size_t got;
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int error;
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got = GetModuleFileNameA (NULL, buf, FILENAME_BUF_SIZE - 1);
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error = GetLastError ();
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if (got == 0
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|| (got == FILENAME_BUF_SIZE - 1 && error == ERROR_INSUFFICIENT_BUFFER))
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{
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error_callback (data,
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"could not get the filename of the current executable",
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error);
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return NULL;
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}
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return buf;
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}
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#else /* !defined (HAVE_WINDOWS_H) */
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#define windows_get_executable_path(buf, error_callback, data) NULL
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#define FILENAME_BUF_SIZE 64
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#endif /* !defined (HAVE_WINDOWS_H) */
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/* Initialize the fileline information from the executable. Returns 1
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on success, 0 on failure. */
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@ -181,7 +224,7 @@ fileline_initialize (struct backtrace_state *state,
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int called_error_callback;
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int descriptor;
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const char *filename;
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char buf[64];
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char buf[FILENAME_BUF_SIZE];
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if (!state->threaded)
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failed = state->fileline_initialization_failed;
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@ -205,7 +248,7 @@ fileline_initialize (struct backtrace_state *state,
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descriptor = -1;
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called_error_callback = 0;
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for (pass = 0; pass < 9; ++pass)
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for (pass = 0; pass < 10; ++pass)
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{
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int does_not_exist;
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@ -242,6 +285,9 @@ fileline_initialize (struct backtrace_state *state,
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case 8:
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filename = macho_get_executable_path (state, error_callback, data);
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break;
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case 9:
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filename = windows_get_executable_path (buf, error_callback, data);
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break;
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default:
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abort ();
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}
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