gbranden pushed a commit to branch master
in repository groff.
commit db9150376b2f3fbc362a73144dcfb72e9f726b45
Author: G. Branden Robinson <[email protected]>
AuthorDate: Fri Apr 10 02:42:26 2026 -0500
[libgroff]: Implement `symbol::contains()`.
* src/include/symbol.h: Preprocessor-include "<string.h>" header file to
access strchr(3).
(class symbol): Declare new member function `contains()` indicating
whether the `char` argument appears the symbol.
(symbol::contains): Implement it `inline`, wrapping strchr(3).
---
ChangeLog | 9 +++++++++
src/include/symbol.h | 7 +++++++
2 files changed, 16 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 921e2abfd..fa799425d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2026-04-10 G. Branden Robinson <[email protected]>
+
+ * src/include/symbol.h: Preprocessor-include "<string.h>" header
+ file to access strchr(3).
+ (class symbol): Declare new member function
+ `contains()` indicating whether the `char` argument appears the
+ symbol.
+ (symbol::contains): Implement it `inline`, wrapping strchr(3).
+
2026-04-10 G. Branden Robinson <[email protected]>
* src/include/symbol.h (class symbol): Comment formal argument
diff --git a/src/include/symbol.h b/src/include/symbol.h
index d526731ed..be19c58f7 100644
--- a/src/include/symbol.h
+++ b/src/include/symbol.h
@@ -19,6 +19,7 @@ along with this program. If not, see
<http://www.gnu.org/licenses/>. */
#include <stddef.h> // size_t
#include <stdint.h> // uintptr_t
+#include <string.h> // strchr()
#define DONT_STORE 1
#define MUST_ALREADY_EXIST 2
@@ -37,6 +38,7 @@ public:
int operator ==(symbol) const;
int operator !=(symbol) const;
const char *contents() const;
+ bool contains(char) const;
bool is_null() const;
bool is_empty() const;
size_t json_length() const;
@@ -72,6 +74,11 @@ inline const char *symbol::contents() const
return s;
}
+inline bool symbol::contains(char c) const
+{
+ return strchr(s, c) != 0 /* nullptr */;
+}
+
inline bool symbol::is_null() const
{
return (0 /* nullptr */ == s);
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