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Modified cSVDRP::CmdGRAB() to avoid writing into const data

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This commit is contained in:
Klaus Schmidinger
2009-06-06 14:07:02 +02:00
parent 1d03f30e93
commit abd5a81c89
3 changed files with 10 additions and 6 deletions
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13
svdrp.c
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@@ -10,7 +10,7 @@
* and interact with the Video Disk Recorder - or write a full featured
* graphical interface that sits on top of an SVDRP connection.
*
* $Id: svdrp.c 2.4 2009/06/06 13:42:52 kls Exp $
* $Id: svdrp.c 2.5 2009/06/06 14:03:55 kls Exp $
*/
#include "svdrp.h"
@@ -798,16 +798,17 @@ void cSVDRP::CmdGRAB(const char *Option)
char RealFileName[PATH_MAX];
if (FileName) {
if (grabImageDir) {
cString s;
char *slash = strrchr(FileName, '/');
cString s(FileName);
FileName = s;
const char *slash = strrchr(FileName, '/');
if (!slash) {
s = AddDirectory(grabImageDir, FileName);
FileName = s;
}
slash = strrchr(FileName, '/'); // there definitely is one
*slash = 0;
char *r = realpath(FileName, RealFileName);
*slash = '/';
cString t(s);
t.Truncate(slash - FileName);
char *r = realpath(t, RealFileName);
if (!r) {
LOG_ERROR_STR(FileName);
Reply(501, "Invalid file name \"%s\"", FileName);