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when storing commands with embedded newlines, don’t take those as end of string 

(inspired fix from Debian #783978; bug in original pdksh COMPLEX_HISTORY code)
This commit is contained in:
tg 2015-07-05 16:47:28 +00:00
parent b9a8fdf905
commit b87215bbaf
1 changed files with 7 additions and 5 deletions
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12
histrap.c
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@ -27,7 +27,7 @@
#include <sys/file.h>
#endif
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.143 2015/04/29 20:44:35 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.144 2015/07/05 16:47:28 tg Exp $");
Trap sigtraps[ksh_NSIG + 1];
static struct sigaction Sigact_ign;
@ -634,11 +634,13 @@ void
histsave(int *lnp, const char *cmd, bool dowrite MKSH_A_UNUSED, bool ignoredups)
{
char **hp;
char *c, *cp;
char *c;
const char *ccp;
strdupx(c, cmd, APERM);
if ((cp = strchr(c, '\n')) != NULL)
*cp = '\0';
ccp = cmd + strlen(cmd);
while (ccp > cmd && ccp[-1] == '\n')
--ccp;
strndupx(c, cmd, ccp - cmd, APERM);
if (ignoredups && !strcmp(c, *histptr)
#if !defined(MKSH_SMALL) && HAVE_PERSISTENT_HISTORY