Remove unused 'got_alternates' variable.
[git.git] / quote.c
blob9d5d0bcb0f0e32b95e27d32efe6d725479d28f76
1 #include "cache.h"
2 #include "quote.h"
4 /* Help to copy the thing properly quoted for the shell safety.
5 * any single quote is replaced with '\'', any exclamation point
6 * is replaced with '\!', and the whole thing is enclosed in a
8 * E.g.
9 * original sq_quote result
10 * name ==> name ==> 'name'
11 * a b ==> a b ==> 'a b'
12 * a'b ==> a'\''b ==> 'a'\''b'
13 * a!b ==> a'\!'b ==> 'a'\!'b'
15 #define EMIT(x) ( (++len < n) && (*bp++ = (x)) )
17 size_t sq_quote_buf(char *dst, size_t n, const char *src)
19 char c;
20 char *bp = dst;
21 size_t len = 0;
23 EMIT('\'');
24 while ((c = *src++)) {
25 if (c == '\'' || c == '!') {
26 EMIT('\'');
27 EMIT('\\');
28 EMIT(c);
29 EMIT('\'');
30 } else {
31 EMIT(c);
34 EMIT('\'');
36 if ( n )
37 *bp = 0;
39 return len;
42 char *sq_quote(const char *src)
44 char *buf;
45 size_t cnt;
47 cnt = sq_quote_buf(NULL, 0, src) + 1;
48 buf = xmalloc(cnt);
49 sq_quote_buf(buf, cnt, src);
51 return buf;