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Merge and simplify unescape

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Luuk van Baal 2021-05-09 16:38:17 +02:00 committed by Arun Prakash Jana
parent eec6366272
commit a327ee4a3d
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GPG key ID: A75979F35C080412
1 changed files with 20 additions and 40 deletions
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60
src/nnn.c
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@ -3416,60 +3416,40 @@ static void resetdircolor(int flags)
* Adjust string length to maxcols if > 0;
* Max supported str length: NAME_MAX;
*/
#ifndef NOLOCALE
#ifdef NOLOCALE
static char *unescape(const char *str, uint_t maxcols)
{
char * const wbuf = g_buf;
char *buf = wbuf;
xstrsncpy(wbuf, str, maxcols);
#else
static wchar_t *unescape(const char *str, uint_t maxcols)
{
wchar_t * const wbuf = (wchar_t *)g_buf;
wchar_t *buf = wbuf;
size_t lencount = 0;
size_t len = mbstowcs(wbuf, str, maxcols); /* Convert multi-byte to wide char */
/* Convert multi-byte to wide char */
size_t len = mbstowcs(wbuf, str, maxcols);
if (len >= maxcols)
wbuf[maxcols] = '\0';
len = wcswidth(wbuf, len);
/* Reduce number of wide chars to max columns */
if (len > maxcols) {
while (*buf && lencount <= maxcols) {
if (*buf <= '\x1f' || *buf == '\x7f')
*buf = '\?';
++buf;
++lencount;
}
lencount = maxcols + 1;
/* Reduce wide chars one by one till it fits */
do
if (len >= maxcols) {
size_t lencount = maxcols;
while (len > maxcols) /* Reduce wide chars one by one till it fits */
len = wcswidth(wbuf, --lencount);
while (len > maxcols);
wbuf[lencount] = L'\0';
} else {
do { /* We do not expect a NULL string */
if (*buf <= '\x1f' || *buf == '\x7f')
*buf = '\?';
} while (*++buf);
}
#endif
while (*buf) {
if (*buf <= '\x1f' || *buf == '\x7f')
*buf = '\?';
++buf;
}
return wbuf;
}
#else
static char *unescape(const char *str, uint_t maxcols)
{
ssize_t len = (ssize_t)xstrsncpy(g_buf, str, maxcols);
--len;
while (--len >= 0)
if (g_buf[len] <= '\x1f' || g_buf[len] == '\x7f')
g_buf[len] = '\?';
return g_buf;
}
#endif
static off_t get_size(off_t size, off_t *pval, uint_t comp)
{