Fix tmpnam warning

Fixes glencoesoftware#15, see https://salsa.debian.org/debian-phototools-team/jxrlib/-/commit/7e12ab1185b347c0edfd893471c055e3ae7830b5
melissalinkert · Mar 14, 2024 · 78e7e0f · 78e7e0f
1 parent f4ee72e
commit 78e7e0f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/image/encode/strenc.c b/image/encode/strenc.c
@@ -482,8 +482,10 @@ Int StrIOEncInit(CWMImageStrCodec* pSC)
                 pSC->ppTempFile[i] = (char *)malloc(FILENAME_MAX * sizeof(char));
                 if(pSC->ppTempFile[i] == NULL) return ICERR_ERROR;
 
-                if ((pFilename = tmpnam(NULL)) == NULL)
+                char tmpnambuf[] = {'f', 'i', 'l', 'e', 'X', 'X', 'X', 'X', 'X', 'X', '\0'};
+                if (mkstemp(tmpnambuf) == -1)
                     return ICERR_ERROR;                
+                pFilename = tmpnambuf; 
                 strcpy(pSC->ppTempFile[i], pFilename);
 #endif
                 if(CreateWS_File(pSC->ppWStream + i, pFilename, "w+b") != ICERR_OK) return ICERR_ERROR;