On Sat, Jul 01, 2017 at 09:27:47PM +0100, Nicholas Marriott wrote: > > What is the point of doing this? fgetln works fine. >
There's been other examples of commits replacing fgetln for getline, while portability isn't a major concern, it's been suggested that getline may be safer. http://marc.info/?l=openbsd-cvs&m=147231601627483&w=2 No worries if you want to keep it. > > > On Sat, Jul 01, 2017 at 02:47:25PM -0400, Bryan Steele wrote: > > Seems to work, does this look right? > > > > -Bryan. > > > > Index: magic-load.c > > =================================================================== > > RCS file: /cvs/src/usr.bin/file/magic-load.c,v > > retrieving revision 1.25 > > diff -u -p -r1.25 magic-load.c > > --- magic-load.c 1 Jul 2017 14:34:29 -0000 1.25 > > +++ magic-load.c 1 Jul 2017 18:44:42 -0000 > > @@ -1071,6 +1071,7 @@ magic_load(FILE *f, const char *path, in > > struct magic_line *ml = NULL, *parent, *parent0; > > char *line, *tmp; > > size_t size; > > + ssize_t slen; > > u_int at, level, n, i; > > > > m = xcalloc(1, sizeof *m); > > @@ -1084,15 +1085,11 @@ magic_load(FILE *f, const char *path, in > > > > at = 0; > > tmp = NULL; > > - while ((line = fgetln(f, &size))) { > > - if (line[size - 1] == '\n') > > - line[size - 1] = '\0'; > > - else { > > - tmp = xmalloc(size + 1); > > - memcpy(tmp, line, size); > > - tmp[size] = '\0'; > > - line = tmp; > > - } > > + while ((slen = getline(&tmp, &size, f)) != -1) { > > + line = tmp; > > + if (line[slen - 1] == '\n') > > + line[slen - 1] = '\0'; > > + > > at++; > > > > while (isspace((u_char)*line)) >