search for: r_blankstr

...Sxport.c: 590 } else { 591 c = strchr(tmpchar, ' '); 592 *c = '\0'; 593 SET_STRING_ELT(VECTOR_ELT(data, k), j, 594 (c == tmpchar) ? R_BlankString : 595 mkChar(tmpchar)); 596 } (gdb) print tmpchar $1 = 0xb63674 "0502" (gdb) print c $2 = 0x0 According to the solaris man pages, strchr returns NULL if there is no match. Changing lines 591 and 592 to add an appropr...

I see another thing in function 'NewName' in bind.c. In else if (*CHAR(tag)) , 'ans' is basically copied from 'tag'. Could the whole thing there be just the following? ans = tag; It seems to me that it can also replace ans = R_BlankString; in 'else'; so, else if (*CHAR(tag)) and else can be merged to be just else . -------------------------------------------- Subject: translateChar in NewName in bind.c To: r-devel at r-project.org Date: Saturday, 10 June, 2017, 9:14 PM In function 'NewName' in bind.c (htt...

I would like to propose that Rf_mkString(NULL) and Rf_mkChar(NULL) return NA rather than segfault. Case: the mkString() and mkChar() functions are convenient to wrap strings returned by e.g. external C libraries into an R vector. However sometimes a library returns NULL instead of a string when the result is unavailable. In some C libraries this can happen unexpectedly or is even undocumented. A