Use PyOS_snprintf instead of sprintf.

1 files changed, 14 insertions, 12 deletions

diff --git a/Python/dynload_win.c b/Python/dynload_win.c
index 155a9d6..9062cf3 100644
--- a/Python/dynload_win.c
+++ b/Python/dynload_win.c
@@ -159,7 +159,7 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
 	dl_funcptr p;
 	char funcname[258], *import_python;
 
-	sprintf(funcname, "init%.200s", shortname);
+	PyOS_snprintf(funcname, sizeof(funcname), "init%.200s", shortname);
 
 #ifdef MS_WIN32
 	{
@@ -201,9 +201,9 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
 			/* Problem: could not get the error message.
 			   This should not happen if called correctly. */
 			if (theLength == 0) {
-				sprintf(errBuf,
-					"DLL load failed with error code %d",
-					errorCode);
+				PyOS_snprintf(errBuf, sizeof(errBuf),
+				      "DLL load failed with error code %d",
+					      errorCode);
 			} else {
 				size_t len;
 				/* For some reason a \r\n
@@ -225,16 +225,16 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
 		} else {
 			char buffer[256];
 
-			sprintf(buffer,"python%d%d.dll",
+			PyOS_snprintf(buffer, sizeof(buffer), "python%d%d.dll",
 				PY_MAJOR_VERSION,PY_MINOR_VERSION);
 			import_python = GetPythonImport(hDLL);
 
 			if (import_python &&
 			    strcasecmp(buffer,import_python)) {
-				sprintf(buffer,
-					"Module use of %.150s conflicts "
-					"with this version of Python.",
-					import_python);
+				PyOS_snprintf(buffer, sizeof(buffer),
+					      "Module use of %.150s conflicts "
+					      "with this version of Python.",
+					      import_python);
 				PyErr_SetString(PyExc_ImportError,buffer);
 				FreeLibrary(hDLL);
 				return NULL;
@@ -251,14 +251,16 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
 		    strchr(pathname, '/') == NULL)
 		{
 			/* Prefix bare filename with ".\" */
-			sprintf(pathbuf, ".\\%-.13s", pathname);
+			PyOS_snprintf(pathbuf, sizeof(pathbuf),
+				      ".\\%-.13s", pathname);
 			pathname = pathbuf;
 		}
 		hDLL = LoadLibrary(pathname);
 		if (hDLL < HINSTANCE_ERROR){
 			char errBuf[256];
-			sprintf(errBuf,
-				"DLL load failed with error code %d", hDLL);
+			PyOS_snprintf(errBuf, sizeof(errBuf),
+				      "DLL load failed with error code %d",
+				      hDLL);
 			PyErr_SetString(PyExc_ImportError, errBuf);
 			return NULL;
 		}