summaryrefslogtreecommitdiff
path: root/quote.c
diff options
context:
space:
mode:
Diffstat (limited to 'quote.c')
-rw-r--r--quote.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/quote.c b/quote.c
index e662a7da71..76eb144265 100644
--- a/quote.c
+++ b/quote.c
@@ -112,7 +112,8 @@ char *sq_dequote(char *arg)
* but not enclosed in double-quote pair. Return value is undefined.
*/
-int quote_c_style(const char *name, char *outbuf, FILE *outfp, int no_dq)
+static int quote_c_style_counted(const char *name, int namelen,
+ char *outbuf, FILE *outfp, int no_dq)
{
#undef EMIT
#define EMIT(c) \
@@ -125,7 +126,7 @@ int quote_c_style(const char *name, char *outbuf, FILE *outfp, int no_dq)
if (!no_dq)
EMIT('"');
- for (sp = name; (ch = *sp++); ) {
+ for (sp = name; (ch = *sp++) && (sp - name) <= namelen; ) {
if ((ch < ' ') || (ch == '"') || (ch == '\\') ||
(ch == 0177)) {
@@ -162,6 +163,12 @@ int quote_c_style(const char *name, char *outbuf, FILE *outfp, int no_dq)
return needquote ? count : 0;
}
+int quote_c_style(const char *name, char *outbuf, FILE *outfp, int no_dq)
+{
+ int cnt = strlen(name);
+ return quote_c_style_counted(name, cnt, outbuf, outfp, no_dq);
+}
+
/*
* C-style name unquoting.
*
@@ -227,28 +234,30 @@ char *unquote_c_style(const char *quoted, const char **endp)
}
}
-void write_name_quoted(const char *prefix, const char *name,
- int quote, FILE *out)
+void write_name_quoted(const char *prefix, int prefix_len,
+ const char *name, int quote, FILE *out)
{
int needquote;
if (!quote) {
no_quote:
- if (prefix && prefix[0])
- fputs(prefix, out);
+ if (prefix_len)
+ fprintf(out, "%.*s", prefix_len, prefix);
fputs(name, out);
return;
}
needquote = 0;
- if (prefix && prefix[0])
- needquote = quote_c_style(prefix, NULL, NULL, 0);
+ if (prefix_len)
+ needquote = quote_c_style_counted(prefix, prefix_len,
+ NULL, NULL, 0);
if (!needquote)
needquote = quote_c_style(name, NULL, NULL, 0);
if (needquote) {
fputc('"', out);
- if (prefix && prefix[0])
- quote_c_style(prefix, NULL, out, 1);
+ if (prefix_len)
+ quote_c_style_counted(prefix, prefix_len,
+ NULL, out, 1);
quote_c_style(name, NULL, out, 1);
fputc('"', out);
}