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-rw-r--r--third_party/git/quote.c523
1 files changed, 0 insertions, 523 deletions
diff --git a/third_party/git/quote.c b/third_party/git/quote.c
deleted file mode 100644
index 7f2aa6faa4..0000000000
--- a/third_party/git/quote.c
+++ /dev/null
@@ -1,523 +0,0 @@
-#include "cache.h"
-#include "quote.h"
-#include "argv-array.h"
-
-int quote_path_fully = 1;
-
-static inline int need_bs_quote(char c)
-{
-	return (c == '\'' || c == '!');
-}
-
-/* Help to copy the thing properly quoted for the shell safety.
- * any single quote is replaced with '\'', any exclamation point
- * is replaced with '\!', and the whole thing is enclosed in a
- * single quote pair.
- *
- * E.g.
- *  original     sq_quote     result
- *  name     ==> name      ==> 'name'
- *  a b      ==> a b       ==> 'a b'
- *  a'b      ==> a'\''b    ==> 'a'\''b'
- *  a!b      ==> a'\!'b    ==> 'a'\!'b'
- */
-void sq_quote_buf(struct strbuf *dst, const char *src)
-{
-	char *to_free = NULL;
-
-	if (dst->buf == src)
-		to_free = strbuf_detach(dst, NULL);
-
-	strbuf_addch(dst, '\'');
-	while (*src) {
-		size_t len = strcspn(src, "'!");
-		strbuf_add(dst, src, len);
-		src += len;
-		while (need_bs_quote(*src)) {
-			strbuf_addstr(dst, "'\\");
-			strbuf_addch(dst, *src++);
-			strbuf_addch(dst, '\'');
-		}
-	}
-	strbuf_addch(dst, '\'');
-	free(to_free);
-}
-
-void sq_quote_buf_pretty(struct strbuf *dst, const char *src)
-{
-	static const char ok_punct[] = "+,-./:=@_^";
-	const char *p;
-
-	for (p = src; *p; p++) {
-		if (!isalpha(*p) && !isdigit(*p) && !strchr(ok_punct, *p)) {
-			sq_quote_buf(dst, src);
-			return;
-		}
-	}
-
-	/* if we get here, we did not need quoting */
-	strbuf_addstr(dst, src);
-}
-
-void sq_quotef(struct strbuf *dst, const char *fmt, ...)
-{
-	struct strbuf src = STRBUF_INIT;
-
-	va_list ap;
-	va_start(ap, fmt);
-	strbuf_vaddf(&src, fmt, ap);
-	va_end(ap);
-
-	sq_quote_buf(dst, src.buf);
-	strbuf_release(&src);
-}
-
-void sq_quote_argv(struct strbuf *dst, const char **argv)
-{
-	int i;
-
-	/* Copy into destination buffer. */
-	strbuf_grow(dst, 255);
-	for (i = 0; argv[i]; ++i) {
-		strbuf_addch(dst, ' ');
-		sq_quote_buf(dst, argv[i]);
-	}
-}
-
-void sq_quote_argv_pretty(struct strbuf *dst, const char **argv)
-{
-	int i;
-
-	for (i = 0; argv[i]; i++) {
-		strbuf_addch(dst, ' ');
-		sq_quote_buf_pretty(dst, argv[i]);
-	}
-}
-
-static char *sq_dequote_step(char *arg, char **next)
-{
-	char *dst = arg;
-	char *src = arg;
-	char c;
-
-	if (*src != '\'')
-		return NULL;
-	for (;;) {
-		c = *++src;
-		if (!c)
-			return NULL;
-		if (c != '\'') {
-			*dst++ = c;
-			continue;
-		}
-		/* We stepped out of sq */
-		switch (*++src) {
-		case '\0':
-			*dst = 0;
-			if (next)
-				*next = NULL;
-			return arg;
-		case '\\':
-			/*
-			 * Allow backslashed characters outside of
-			 * single-quotes only if they need escaping,
-			 * and only if we resume the single-quoted part
-			 * afterward.
-			 */
-			if (need_bs_quote(src[1]) && src[2] == '\'') {
-				*dst++ = src[1];
-				src += 2;
-				continue;
-			}
-		/* Fallthrough */
-		default:
-			if (!next || !isspace(*src))
-				return NULL;
-			do {
-				c = *++src;
-			} while (isspace(c));
-			*dst = 0;
-			*next = src;
-			return arg;
-		}
-	}
-}
-
-char *sq_dequote(char *arg)
-{
-	return sq_dequote_step(arg, NULL);
-}
-
-static int sq_dequote_to_argv_internal(char *arg,
-				       const char ***argv, int *nr, int *alloc,
-				       struct argv_array *array)
-{
-	char *next = arg;
-
-	if (!*arg)
-		return 0;
-	do {
-		char *dequoted = sq_dequote_step(next, &next);
-		if (!dequoted)
-			return -1;
-		if (argv) {
-			ALLOC_GROW(*argv, *nr + 1, *alloc);
-			(*argv)[(*nr)++] = dequoted;
-		}
-		if (array)
-			argv_array_push(array, dequoted);
-	} while (next);
-
-	return 0;
-}
-
-int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
-{
-	return sq_dequote_to_argv_internal(arg, argv, nr, alloc, NULL);
-}
-
-int sq_dequote_to_argv_array(char *arg, struct argv_array *array)
-{
-	return sq_dequote_to_argv_internal(arg, NULL, NULL, NULL, array);
-}
-
-/* 1 means: quote as octal
- * 0 means: quote as octal if (quote_path_fully)
- * -1 means: never quote
- * c: quote as "\\c"
- */
-#define X8(x)   x, x, x, x, x, x, x, x
-#define X16(x)  X8(x), X8(x)
-static signed char const sq_lookup[256] = {
-	/*           0    1    2    3    4    5    6    7 */
-	/* 0x00 */   1,   1,   1,   1,   1,   1,   1, 'a',
-	/* 0x08 */ 'b', 't', 'n', 'v', 'f', 'r',   1,   1,
-	/* 0x10 */ X16(1),
-	/* 0x20 */  -1,  -1, '"',  -1,  -1,  -1,  -1,  -1,
-	/* 0x28 */ X16(-1), X16(-1), X16(-1),
-	/* 0x58 */  -1,  -1,  -1,  -1,'\\',  -1,  -1,  -1,
-	/* 0x60 */ X16(-1), X8(-1),
-	/* 0x78 */  -1,  -1,  -1,  -1,  -1,  -1,  -1,   1,
-	/* 0x80 */ /* set to 0 */
-};
-
-static inline int sq_must_quote(char c)
-{
-	return sq_lookup[(unsigned char)c] + quote_path_fully > 0;
-}
-
-/* returns the longest prefix not needing a quote up to maxlen if positive.
-   This stops at the first \0 because it's marked as a character needing an
-   escape */
-static size_t next_quote_pos(const char *s, ssize_t maxlen)
-{
-	size_t len;
-	if (maxlen < 0) {
-		for (len = 0; !sq_must_quote(s[len]); len++);
-	} else {
-		for (len = 0; len < maxlen && !sq_must_quote(s[len]); len++);
-	}
-	return len;
-}
-
-/*
- * C-style name quoting.
- *
- * (1) if sb and fp are both NULL, inspect the input name and counts the
- *     number of bytes that are needed to hold c_style quoted version of name,
- *     counting the double quotes around it but not terminating NUL, and
- *     returns it.
- *     However, if name does not need c_style quoting, it returns 0.
- *
- * (2) if sb or fp are not NULL, it emits the c_style quoted version
- *     of name, enclosed with double quotes if asked and needed only.
- *     Return value is the same as in (1).
- */
-static size_t quote_c_style_counted(const char *name, ssize_t maxlen,
-				    struct strbuf *sb, FILE *fp, int no_dq)
-{
-#undef EMIT
-#define EMIT(c)                                 \
-	do {                                        \
-		if (sb) strbuf_addch(sb, (c));          \
-		if (fp) fputc((c), fp);                 \
-		count++;                                \
-	} while (0)
-#define EMITBUF(s, l)                           \
-	do {                                        \
-		if (sb) strbuf_add(sb, (s), (l));       \
-		if (fp) fwrite((s), (l), 1, fp);        \
-		count += (l);                           \
-	} while (0)
-
-	size_t len, count = 0;
-	const char *p = name;
-
-	for (;;) {
-		int ch;
-
-		len = next_quote_pos(p, maxlen);
-		if (len == maxlen || (maxlen < 0 && !p[len]))
-			break;
-
-		if (!no_dq && p == name)
-			EMIT('"');
-
-		EMITBUF(p, len);
-		EMIT('\\');
-		p += len;
-		ch = (unsigned char)*p++;
-		if (maxlen >= 0)
-			maxlen -= len + 1;
-		if (sq_lookup[ch] >= ' ') {
-			EMIT(sq_lookup[ch]);
-		} else {
-			EMIT(((ch >> 6) & 03) + '0');
-			EMIT(((ch >> 3) & 07) + '0');
-			EMIT(((ch >> 0) & 07) + '0');
-		}
-	}
-
-	EMITBUF(p, len);
-	if (p == name)   /* no ending quote needed */
-		return 0;
-
-	if (!no_dq)
-		EMIT('"');
-	return count;
-}
-
-size_t quote_c_style(const char *name, struct strbuf *sb, FILE *fp, int nodq)
-{
-	return quote_c_style_counted(name, -1, sb, fp, nodq);
-}
-
-void quote_two_c_style(struct strbuf *sb, const char *prefix, const char *path, int nodq)
-{
-	if (quote_c_style(prefix, NULL, NULL, 0) ||
-	    quote_c_style(path, NULL, NULL, 0)) {
-		if (!nodq)
-			strbuf_addch(sb, '"');
-		quote_c_style(prefix, sb, NULL, 1);
-		quote_c_style(path, sb, NULL, 1);
-		if (!nodq)
-			strbuf_addch(sb, '"');
-	} else {
-		strbuf_addstr(sb, prefix);
-		strbuf_addstr(sb, path);
-	}
-}
-
-void write_name_quoted(const char *name, FILE *fp, int terminator)
-{
-	if (terminator) {
-		quote_c_style(name, NULL, fp, 0);
-	} else {
-		fputs(name, fp);
-	}
-	fputc(terminator, fp);
-}
-
-void write_name_quoted_relative(const char *name, const char *prefix,
-				FILE *fp, int terminator)
-{
-	struct strbuf sb = STRBUF_INIT;
-
-	name = relative_path(name, prefix, &sb);
-	write_name_quoted(name, fp, terminator);
-
-	strbuf_release(&sb);
-}
-
-/* quote path as relative to the given prefix */
-char *quote_path_relative(const char *in, const char *prefix,
-			  struct strbuf *out)
-{
-	struct strbuf sb = STRBUF_INIT;
-	const char *rel = relative_path(in, prefix, &sb);
-	strbuf_reset(out);
-	quote_c_style_counted(rel, strlen(rel), out, NULL, 0);
-	strbuf_release(&sb);
-
-	return out->buf;
-}
-
-/*
- * C-style name unquoting.
- *
- * Quoted should point at the opening double quote.
- * + Returns 0 if it was able to unquote the string properly, and appends the
- *   result in the strbuf `sb'.
- * + Returns -1 in case of error, and doesn't touch the strbuf. Though note
- *   that this function will allocate memory in the strbuf, so calling
- *   strbuf_release is mandatory whichever result unquote_c_style returns.
- *
- * Updates endp pointer to point at one past the ending double quote if given.
- */
-int unquote_c_style(struct strbuf *sb, const char *quoted, const char **endp)
-{
-	size_t oldlen = sb->len, len;
-	int ch, ac;
-
-	if (*quoted++ != '"')
-		return -1;
-
-	for (;;) {
-		len = strcspn(quoted, "\"\\");
-		strbuf_add(sb, quoted, len);
-		quoted += len;
-
-		switch (*quoted++) {
-		  case '"':
-			if (endp)
-				*endp = quoted;
-			return 0;
-		  case '\\':
-			break;
-		  default:
-			goto error;
-		}
-
-		switch ((ch = *quoted++)) {
-		case 'a': ch = '\a'; break;
-		case 'b': ch = '\b'; break;
-		case 'f': ch = '\f'; break;
-		case 'n': ch = '\n'; break;
-		case 'r': ch = '\r'; break;
-		case 't': ch = '\t'; break;
-		case 'v': ch = '\v'; break;
-
-		case '\\': case '"':
-			break; /* verbatim */
-
-		/* octal values with first digit over 4 overflow */
-		case '0': case '1': case '2': case '3':
-					ac = ((ch - '0') << 6);
-			if ((ch = *quoted++) < '0' || '7' < ch)
-				goto error;
-					ac |= ((ch - '0') << 3);
-			if ((ch = *quoted++) < '0' || '7' < ch)
-				goto error;
-					ac |= (ch - '0');
-					ch = ac;
-					break;
-				default:
-			goto error;
-			}
-		strbuf_addch(sb, ch);
-		}
-
-  error:
-	strbuf_setlen(sb, oldlen);
-	return -1;
-}
-
-/* quoting as a string literal for other languages */
-
-void perl_quote_buf(struct strbuf *sb, const char *src)
-{
-	const char sq = '\'';
-	const char bq = '\\';
-	char c;
-
-	strbuf_addch(sb, sq);
-	while ((c = *src++)) {
-		if (c == sq || c == bq)
-			strbuf_addch(sb, bq);
-		strbuf_addch(sb, c);
-	}
-	strbuf_addch(sb, sq);
-}
-
-void python_quote_buf(struct strbuf *sb, const char *src)
-{
-	const char sq = '\'';
-	const char bq = '\\';
-	const char nl = '\n';
-	char c;
-
-	strbuf_addch(sb, sq);
-	while ((c = *src++)) {
-		if (c == nl) {
-			strbuf_addch(sb, bq);
-			strbuf_addch(sb, 'n');
-			continue;
-		}
-		if (c == sq || c == bq)
-			strbuf_addch(sb, bq);
-		strbuf_addch(sb, c);
-	}
-	strbuf_addch(sb, sq);
-}
-
-void tcl_quote_buf(struct strbuf *sb, const char *src)
-{
-	char c;
-
-	strbuf_addch(sb, '"');
-	while ((c = *src++)) {
-		switch (c) {
-		case '[': case ']':
-		case '{': case '}':
-		case '$': case '\\': case '"':
-			strbuf_addch(sb, '\\');
-			/* fallthrough */
-		default:
-			strbuf_addch(sb, c);
-			break;
-		case '\f':
-			strbuf_addstr(sb, "\\f");
-			break;
-		case '\r':
-			strbuf_addstr(sb, "\\r");
-			break;
-		case '\n':
-			strbuf_addstr(sb, "\\n");
-			break;
-		case '\t':
-			strbuf_addstr(sb, "\\t");
-			break;
-		case '\v':
-			strbuf_addstr(sb, "\\v");
-			break;
-		}
-	}
-	strbuf_addch(sb, '"');
-}
-
-void basic_regex_quote_buf(struct strbuf *sb, const char *src)
-{
-	char c;
-
-	if (*src == '^') {
-		/* only beginning '^' is special and needs quoting */
-		strbuf_addch(sb, '\\');
-		strbuf_addch(sb, *src++);
-	}
-	if (*src == '*')
-		/* beginning '*' is not special, no quoting */
-		strbuf_addch(sb, *src++);
-
-	while ((c = *src++)) {
-		switch (c) {
-		case '[':
-		case '.':
-		case '\\':
-		case '*':
-			strbuf_addch(sb, '\\');
-			strbuf_addch(sb, c);
-			break;
-
-		case '$':
-			/* only the end '$' is special and needs quoting */
-			if (*src == '\0')
-				strbuf_addch(sb, '\\');
-			strbuf_addch(sb, c);
-			break;
-
-		default:
-			strbuf_addch(sb, c);
-			break;
-		}
-	}
-}