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Diffstat (limited to 'tools/perf/util/quote.c')
-rw-r--r--tools/perf/util/quote.c36
1 files changed, 20 insertions, 16 deletions
diff --git a/tools/perf/util/quote.c b/tools/perf/util/quote.c
index 01f03242b86a..c6d4ee2de752 100644
--- a/tools/perf/util/quote.c
+++ b/tools/perf/util/quote.c
@@ -17,38 +17,42 @@ static inline int need_bs_quote(char c)
return (c == '\'' || c == '!');
}
-static void sq_quote_buf(struct strbuf *dst, const char *src)
+static int sq_quote_buf(struct strbuf *dst, const char *src)
{
char *to_free = NULL;
+ int ret;
if (dst->buf == src)
to_free = strbuf_detach(dst, NULL);
- strbuf_addch(dst, '\'');
- while (*src) {
+ ret = strbuf_addch(dst, '\'');
+ while (!ret && *src) {
size_t len = strcspn(src, "'!");
- strbuf_add(dst, src, len);
+ ret = strbuf_add(dst, src, len);
src += len;
- while (need_bs_quote(*src)) {
- strbuf_addstr(dst, "'\\");
- strbuf_addch(dst, *src++);
- strbuf_addch(dst, '\'');
- }
+ while (!ret && need_bs_quote(*src))
+ ret = strbuf_addf(dst, "'\\%c\'", *src++);
}
- strbuf_addch(dst, '\'');
+ if (!ret)
+ ret = strbuf_addch(dst, '\'');
free(to_free);
+
+ return ret;
}
-void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
+int sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
{
- int i;
+ int i, ret;
/* Copy into destination buffer. */
- strbuf_grow(dst, 255);
- for (i = 0; argv[i]; ++i) {
- strbuf_addch(dst, ' ');
- sq_quote_buf(dst, argv[i]);
+ ret = strbuf_grow(dst, 255);
+ for (i = 0; !ret && argv[i]; ++i) {
+ ret = strbuf_addch(dst, ' ');
+ if (ret)
+ break;
+ ret = sq_quote_buf(dst, argv[i]);
if (maxlen && dst->len > maxlen)
die("Too many or long arguments");
}
+ return ret;
}