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real_dir_from_tilde(): ops, fix case where buf =~, silly crash

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git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@463 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Chris Allegretta 2001-01-08 16:59:19 +00:00
parent 7e08082ffe
commit bf69261597
2 changed files with 10 additions and 2 deletions
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4
ChangeLog
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@ -1,4 +1,8 @@
CVS code - CVS code -
- files.c:
real_dir_from_tilde()
- Oops, fix case where buf ="~", silly crash (bug discovered by
Neil Parks).
nano 0.9.25 - 01/07/2001 nano 0.9.25 - 01/07/2001
General - General -

8
files.c
View File

@ -589,11 +589,15 @@ char *real_dir_from_tilde(char *buf)
if (buf[0] == '~') { if (buf[0] == '~') {
if (buf[1] == '~') if (buf[1] == '~')
goto abort; /* Handle ~~ without segfaulting =) */ goto abort; /* Handle ~~ without segfaulting =) */
else if (buf[1] == '/') { else if (buf[1] == 0 || buf[1] == '/') {
if (getenv("HOME") != NULL) { if (getenv("HOME") != NULL) {
dirtmp = nmalloc(strlen(buf) + 2 + strlen(getenv("HOME"))); dirtmp = nmalloc(strlen(buf) + 2 + strlen(getenv("HOME")));
sprintf(dirtmp, "%s/%s", getenv("HOME"), &buf[2]); if (strlen(buf) > 2)
sprintf(dirtmp, "%s/%s", getenv("HOME"), &buf[2]);
else
sprintf(dirtmp, "%s/", getenv("HOME"));
} }
} else if (buf[1] != 0) { } else if (buf[1] != 0) {