From 88c361d98175622a93cca38c824cea335435cfff Mon Sep 17 00:00:00 2001
From: Louis Burda <quent.burda@gmail.com>
Date: Sun, 4 Jun 2023 03:18:32 +0200
Subject: Add strvec_find

---
 include/strvec.h |  1 +
 libstrvec.api    |  2 +-
 libstrvec.lds    |  2 +-
 src/strvec.c     | 18 ++++++++++++++++++
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/include/strvec.h b/include/strvec.h
index 49658eb..1a4713d 100644
--- a/include/strvec.h
+++ b/include/strvec.h
@@ -60,6 +60,7 @@ void strvec_replace(struct strvec *strvec, size_t index, const char *str);
 void strvec_remove(struct strvec *strvec, size_t index, size_t n);
 int strvec_remove_str(struct strvec *strvec, const char *str,
 	const struct allocator *allocator);
+ssize_t strvec_find(struct strvec *strvec, size_t start, const char *str);
 
 char *strvec_join(struct strvec *strvec, const char *sep,
 	const struct allocator *allocator, int *rc);
diff --git a/libstrvec.api b/libstrvec.api
index 0e74489..226f3b9 100644
--- a/libstrvec.api
+++ b/libstrvec.api
@@ -21,7 +21,7 @@ strvec_replace
 strvec_remove
 
 strvec_remove_str
-
+strvec_find
 strvec_join
 
 strvec_iter_fwd
diff --git a/libstrvec.lds b/libstrvec.lds
index c108f77..951a052 100644
--- a/libstrvec.lds
+++ b/libstrvec.lds
@@ -23,7 +23,7 @@ LIBSTRVEC_1.0.0 {
 		strvec_remove;
 
 		strvec_remove_str;
-
+		strvec_find;
 		strvec_join;
 
 		strvec_iter_fwd;
diff --git a/src/strvec.c b/src/strvec.c
index e668e35..5d140cf 100644
--- a/src/strvec.c
+++ b/src/strvec.c
@@ -2,6 +2,7 @@
 #include "dvec.h"
 #include "allocator.h"
 
+#include <stddef.h>
 #include <string.h>
 
 int
@@ -229,6 +230,23 @@ strvec_remove_str(struct strvec *strvec, const char *str,
 	return 0;
 }
 
+ssize_t
+strvec_find(struct strvec *strvec, size_t start, const char *str)
+{
+	const char **ent;
+	size_t i;
+
+	LIBSTRVEC_ABORT_ON_ARGS(!strvec);
+
+	for (i = start; i < strvec->vec.len; i++) {
+		ent = strvec_at(strvec, i);
+		if (!str && !*ent) return (ssize_t) i;
+		if (!strcmp(str, *ent)) return (ssize_t) i;
+	}
+
+	return -1;
+}
+
 char *
 strvec_join(struct strvec *strvec, const char *sep,
 	const struct allocator *allocator, int *_rc)
-- 
cgit v1.2.3-71-gd317