Fix issues with DEL on Mac on empty regex exprn

On Mac and error is thrown if the regex expression to regcomp() is empty.

Please refer to comments at:
c42df81ae5
This commit is contained in:
Arun Prakash Jana 2017-06-04 23:58:30 +05:30
parent 9b6446a0be
commit 249b6f76fc
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GPG Key ID: A75979F35C080412
1 changed files with 4 additions and 2 deletions

6
nnn.c
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@ -475,7 +475,7 @@ setfilter(regex_t *regex, char *filter)
static int r;
r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE);
if (r != 0) {
if (r != 0 && filter && filter[0] != '\0') {
len = COLS;
if (len > LINE_MAX)
len = LINE_MAX;
@ -738,8 +738,10 @@ readln(char *path)
wln[--len] = '\0';
wcstombs(ln, wln, LINE_MAX << 2);
ndents = total;
if (matches(pln) == -1)
if (matches(pln) == -1) {
printprompt(ln);
continue;
}
redraw(path);
printprompt(ln);
break;