X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=quote.c;h=911229fdf3caffe29a87aea76f38dc50863797d4;hb=19a6cd372a998df3079d870e02c064c5bb101841;hp=fc93435727db3b0634c390965258200c61d8b59b;hpb=03f94ae9f909952ed5a78917ab319a312889354b;p=git.git

diff --git a/quote.c b/quote.c
index fc9343572..911229fdf 100644
--- a/quote.c
+++ b/quote.c
@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "quote.h"
+#include "argv-array.h"
 
 int quote_path_fully = 1;
 
@@ -120,7 +121,9 @@ char *sq_dequote(char *arg)
 	return sq_dequote_step(arg, NULL);
 }
 
-int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
+static int sq_dequote_to_argv_internal(char *arg,
+				       const char ***argv, int *nr, int *alloc,
+				       struct argv_array *array)
 {
 	char *next = arg;
 
@@ -130,13 +133,27 @@ int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
 		char *dequoted = sq_dequote_step(next, &next);
 		if (!dequoted)
 			return -1;
-		ALLOC_GROW(*argv, *nr + 1, *alloc);
-		(*argv)[(*nr)++] = dequoted;
+		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
@@ -295,42 +312,79 @@ void write_name_quotedpfx(const char *pfx, size_t pfxlen,
 	fputc(terminator, fp);
 }
 
-/* quote path as relative to the given prefix */
-char *quote_path_relative(const char *in, int len,
-			  struct strbuf *out, const char *prefix)
+static const char *path_relative(const char *in, int len,
+				 struct strbuf *sb, const char *prefix,
+				 int prefix_len);
+
+void write_name_quoted_relative(const char *name, size_t len,
+				const char *prefix, size_t prefix_len,
+				FILE *fp, int terminator)
+{
+	struct strbuf sb = STRBUF_INIT;
+
+	name = path_relative(name, len, &sb, prefix, prefix_len);
+	write_name_quoted(name, fp, terminator);
+
+	strbuf_release(&sb);
+}
+
+/*
+ * Give path as relative to prefix.
+ *
+ * The strbuf may or may not be used, so do not assume it contains the
+ * returned path.
+ */
+static const char *path_relative(const char *in, int len,
+				 struct strbuf *sb, const char *prefix,
+				 int prefix_len)
 {
-	int needquote;
+	int off, i;
 
 	if (len < 0)
 		len = strlen(in);
+	if (prefix_len < 0) {
+		if (prefix)
+			prefix_len = strlen(prefix);
+		else
+			prefix_len = 0;
+	}
+
+	off = 0;
+	i = 0;
+	while (i < prefix_len && i < len && prefix[i] == in[i]) {
+		if (prefix[i] == '/')
+			off = i + 1;
+		i++;
+	}
+	in += off;
+	len -= off;
 
-	/* "../" prefix itself does not need quoting, but "in" might. */
-	needquote = next_quote_pos(in, len) < len;
-	strbuf_setlen(out, 0);
-	strbuf_grow(out, len);
-
-	if (needquote)
-		strbuf_addch(out, '"');
-	if (prefix) {
-		int off = 0;
-		while (prefix[off] && off < len && prefix[off] == in[off])
-			if (prefix[off] == '/') {
-				prefix += off + 1;
-				in += off + 1;
-				len -= off + 1;
-				off = 0;
-			} else
-				off++;
-
-		for (; *prefix; prefix++)
-			if (*prefix == '/')
-				strbuf_addstr(out, "../");
+	if (i >= prefix_len)
+		return in;
+
+	strbuf_reset(sb);
+	strbuf_grow(sb, len);
+
+	while (i < prefix_len) {
+		if (prefix[i] == '/')
+			strbuf_addstr(sb, "../");
+		i++;
 	}
+	strbuf_add(sb, in, len);
+
+	return sb->buf;
+}
 
-	quote_c_style_counted (in, len, out, NULL, 1);
+/* quote path as relative to the given prefix */
+char *quote_path_relative(const char *in, int len,
+			  struct strbuf *out, const char *prefix)
+{
+	struct strbuf sb = STRBUF_INIT;
+	const char *rel = path_relative(in, len, &sb, prefix, -1);
+	strbuf_reset(out);
+	quote_c_style_counted(rel, strlen(rel), out, NULL, 0);
+	strbuf_release(&sb);
 
-	if (needquote)
-		strbuf_addch(out, '"');
 	if (!out->len)
 		strbuf_addstr(out, "./");