escape non-printable chars in dbgf output of CHAR arrays

2022-07-28 11:11:06 +02:00
parent 20e20cbf2b
commit dc70dfd625
1 changed files with 6 additions and 2 deletions
--- a/modules/database/src/ioc/db/dbTest.c
+++ b/modules/database/src/ioc/db/dbTest.c
@@ -996,8 +996,12 @@ static void printBuffer(
                i = 0;
                while (len > 0) {
                    int chunk = (len > MAXLINE - 5) ? MAXLINE - 5 : len;
-
-                    sprintf(pmsg, "\"%.*s\"", chunk, (char *)pbuffer + i);
+                    strcpy(pmsg, "\"");
+                    while (epicsStrnEscapedFromRawSize((char *)pbuffer + i, chunk) >= MAXLINE - 5)
+                        chunk--;
+                    epicsStrnEscapedFromRaw(pmsg+1, MAXLINE - 5,
+                        (char *)pbuffer + i, chunk);
+                    strcat(pmsg, "\"");
                    len -= chunk; i += chunk;
                    if (len > 0)
                        strcat(pmsg, " +");