Fix #1877: malloc: error pointer being freed was not allocated

This commit is contained in:
Arun Prakash Jana 2024-05-05 18:40:52 +05:30
parent 191e77ec5d
commit be6988d1c8
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GPG key ID: 4A865183AF6C5631

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@ -5187,7 +5187,6 @@ static void show_help(const char *path)
"cT Set time type%110 Lock\n"
"b^L Redraw%18? Help, conf\n"
};
char help_buf[1<<11]; // if editing helpstr, ensure this has enough space to decode it
int fd = create_tmp_file();
if (fd == -1)
@ -5198,22 +5197,26 @@ static void show_help(const char *path)
get_output(prog, NULL, NULL, fd, FALSE);
bool hex = true;
char *w = help_buf;
const char space = ' ';
const char *end = helpstr + (sizeof helpstr - 1);
for (const char *s = helpstr; s < end; ++s) {
if (hex) {
for (int k = 0, n = xchartohex(*s); k < n; ++k) *w++ = ' ';
for (int k = 0, n = xchartohex(*s); k < n; ++k)
if (write(fd, &space, 1) != 1)
break;
} else if (*s == '%') {
int n = ((s[1] - '0') * 10) + (s[2] - '0');
for (int k = 0; k < n; ++k) *w++ = ' ';
for (int k = 0; k < n; ++k)
if (write(fd, &space, 1) != 1)
break;
s += 2;
} else {
*w++ = *s;
if (write(fd, s, 1) != 1)
break;
}
hex = *s == '\n';
}
ssize_t res = write(fd, help_buf, w - help_buf);
(void)res; // silence warning
dprintf(fd, "\nLOCATIONS\n");
for (uchar_t i = 0; i < CTX_MAX; ++i)