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If compiled with VFAT=1, characters that can't be handled by a VFAT system are now encoded to '#XX'

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This commit is contained in:
Klaus Schmidinger 2002-02-10 14:21:36 +01:00
parent 219ccb51a7
commit 1b3d0f1d1b
2 changed files with 70 additions and 8 deletions
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2
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@ -989,3 +989,5 @@ Video Disk Recorder Revision History
the '-').
- If Setup.ShowInfoOnChSwitch is set to "no", the box for the EPG display is no
longer shown (thanks to Andy Grobb).
- If compiled with VFAT=1, characters that can't be handled by a VFAT system are
now encoded to '#XX'.

76
recording.c
View File

@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: recording.c 1.49 2002/02/03 15:46:42 kls Exp $
* $Id: recording.c 1.50 2002/02/10 14:19:06 kls Exp $
*/
#include "recording.h"
@ -196,22 +196,82 @@ tCharExchange CharExchange[] = {
{ ' ', '_' },
{ '\'', '\x01' },
{ '/', '\x02' },
#ifdef VFAT
{ ':', '\x03' },
#endif
{ 0, 0 }
};
char *ExchangeChars(char *s, bool ToFileSystem)
static char *ExchangeChars(char *s, bool ToFileSystem)
{
char *p = s;
while (*p) {
#define VFAT 1
#ifdef VFAT
// The VFAT file system can't handle all characters, so we
// have to take extra efforts to encode/decode them:
if (ToFileSystem) {
switch (*p) {
// characters that can be used "as is":
case '!':
case '@':
case '$':
case '%':
case '&':
case '(':
case ')':
case '+':
case ',':
case '-':
case '.':
case ';':
case '=':
case '0' ... '9':
case 'a' ... 'z':
case 'A' ... 'Z': break;
// characters that can be mapped to other characters:
case ' ': *p = '_'; break;
case '~': *p = '/'; break;
// characters that have to be encoded:
default: {
int l = p - s;
s = (char *)realloc(s, strlen(s) + 10);
p = s + l;
char buf[4];
sprintf(buf, "#%02X", (unsigned char)*p);
memmove(p + 2, p, strlen(p) + 1);
strncpy(p, buf, 3);
p += 2;
}
}
}
else {
switch (*p) {
// mapped characters:
case '_': *p = ' '; break;
case '/': *p = '~'; break;
// encodes characters:
case '#': {
if (strlen(p) > 2) {
char buf[3];
sprintf(buf, "%c%c", *(p + 1), *(p + 2));
unsigned char c = strtol(buf, NULL, 16);
*p = c;
memmove(p + 1, p + 3, strlen(p) - 2);
}
}
break;
// backwards compatibility:
case '\x01': *p = '\''; break;
case '\x02': *p = '/'; break;
case '\x03': *p = ':'; break;
}
}
#else
for (struct tCharExchange *ce = CharExchange; ce->a && ce->b; ce++) {
if (*p == (ToFileSystem ? ce->a : ce->b)) {
*p = ToFileSystem ? ce->b : ce->a;
break;
}
}
#endif
p++;
}
return s;
@ -285,7 +345,7 @@ cRecording::cRecording(const char *FileName)
name = new char[p - FileName + 1];
strncpy(name, FileName, p - FileName);
name[p - FileName] = 0;
ExchangeChars(name, false);
name = ExchangeChars(name, false);
}
// read an optional summary file:
char *SummaryFileName = NULL;
@ -384,9 +444,9 @@ const char *cRecording::FileName(void)
if (!fileName) {
struct tm tm_r;
struct tm *t = localtime_r(&start, &tm_r);
ExchangeChars(name, true);
name = ExchangeChars(name, true);
asprintf(&fileName, NAMEFORMAT, VideoDirectory, name, t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, priority, lifetime);
ExchangeChars(name, false);
name = ExchangeChars(name, false);
}
return fileName;
}