treewide: rename tree to maybe_tree

diff --git a/quote.c b/quote.c
index fe884d24521f91a0f1f30b3cf5f08734bab7bd31..37d26868656fe8c8c65de41580ab5ae9e89981fc 100644 (file)
--- a/quote.c
+++ b/quote.c
@@ -43,7 +43,36 @@ void sq_quote_buf(struct strbuf *dst, const char *src)
        free(to_free);
 }
 
-void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
+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;
 
@@ -52,8 +81,16 @@ void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
        for (i = 0; argv[i]; ++i) {
                strbuf_addch(dst, ' ');
                sq_quote_buf(dst, argv[i]);
-               if (maxlen && dst->len > maxlen)
-                       die("Too many or long arguments");
+       }
+}
+
+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]);
        }
 }
 
@@ -418,6 +455,7 @@ void tcl_quote_buf(struct strbuf *sb, const char *src)
                case '{': case '}':
                case '$': case '\\': case '"':
                        strbuf_addch(sb, '\\');
+                       /* fallthrough */
                default:
                        strbuf_addch(sb, c);
                        break;
@@ -440,3 +478,40 @@ void tcl_quote_buf(struct strbuf *sb, const char *src)
        }
        strbuf_addch(sb, '"');
 }
+
+void basic_regex_quote_buf(struct strbuf *sb, const char *src)
+{
+       char c;
+
+       if (*src == '^') {
+               /* only beginning '^' is special and needs quoting */
+               strbuf_addch(sb, '\\');
+               strbuf_addch(sb, *src++);
+       }
+       if (*src == '*')
+               /* beginning '*' is not special, no quoting */
+               strbuf_addch(sb, *src++);
+
+       while ((c = *src++)) {
+               switch (c) {
+               case '[':
+               case '.':
+               case '\\':
+               case '*':
+                       strbuf_addch(sb, '\\');
+                       strbuf_addch(sb, c);
+                       break;
+
+               case '$':
+                       /* 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;
+               }
+       }
+}