From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 11 Oct 2022 10:48:20 +0000 (+0000)
Subject: digest: Add function to return a digest name
X-Git-Tag: 0.9.28~271
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3f42f127ea51e1480e827255c2f81710cd0ab4e9;p=pakfire.git

digest: Add function to return a digest name

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/digest.c b/src/libpakfire/digest.c
index 458e9b08e..5f4062033 100644
--- a/src/libpakfire/digest.c
+++ b/src/libpakfire/digest.c
@@ -31,38 +31,47 @@
 #include <pakfire/private.h>
 #include <pakfire/util.h>
 
-PAKFIRE_EXPORT int pakfire_digest_get_by_name(const char* name) {
-	static const struct _pakfire_digest_name {
-		const char* name;
-		int type;
-	} names[] = {
-		// SHA-2
-		{ "sha2-512", PAKFIRE_DIGEST_SHA2_512, },
-		{ "sha2-256", PAKFIRE_DIGEST_SHA2_256, },
-
-		// BLAKE2
-		{ "blake2b512", PAKFIRE_DIGEST_BLAKE2B512, },
-		{ "blake2s256", PAKFIRE_DIGEST_BLAKE2S256, },
-
-		// SHA-3
-		{ "sha3-512", PAKFIRE_DIGEST_SHA3_512, },
-		{ "sha3-256", PAKFIRE_DIGEST_SHA3_256, },
+static const struct _pakfire_digest_name {
+	const char* name;
+	const enum pakfire_digest_types type;
+} PAKFIRE_DIGEST_NAMES[] = {
+	// SHA-2
+	{ "sha2-512", PAKFIRE_DIGEST_SHA2_512, },
+	{ "sha2-256", PAKFIRE_DIGEST_SHA2_256, },
+
+	// BLAKE2
+	{ "blake2b512", PAKFIRE_DIGEST_BLAKE2B512, },
+	{ "blake2s256", PAKFIRE_DIGEST_BLAKE2S256, },
+
+	// SHA-3
+	{ "sha3-512", PAKFIRE_DIGEST_SHA3_512, },
+	{ "sha3-256", PAKFIRE_DIGEST_SHA3_256, },
+
+	{ NULL, PAKFIRE_DIGEST_UNDEFINED, },
+};
+
+PAKFIRE_EXPORT const char* pakfire_digest_name(const enum pakfire_digest_types type) {
+	for (const struct _pakfire_digest_name* n = PAKFIRE_DIGEST_NAMES; n->name; n++) {
+		if (n->type == type)
+			return n->name;
+	}
 
-		{ NULL, 0, },
-	};
+	return NULL;
+}
 
+PAKFIRE_EXPORT int pakfire_digest_get_by_name(const char* name) {
 	// Check that name is not NULL
 	if (!name) {
 		errno = EINVAL;
-		return 0;
+		return PAKFIRE_DIGEST_UNDEFINED;
 	}
 
-	for (const struct _pakfire_digest_name* n = names; n->name; n++) {
+	for (const struct _pakfire_digest_name* n = PAKFIRE_DIGEST_NAMES; n->name; n++) {
 		if (strcmp(n->name, name) == 0)
 			return n->type;
 	}
 
-	return 0;
+	return PAKFIRE_DIGEST_UNDEFINED;
 }
 
 size_t pakfire_digest_length(const enum pakfire_digest_types digest) {
diff --git a/src/libpakfire/libpakfire.sym b/src/libpakfire/libpakfire.sym
index ddfa50f01..3597c9896 100644
--- a/src/libpakfire/libpakfire.sym
+++ b/src/libpakfire/libpakfire.sym
@@ -75,6 +75,7 @@ global:
 
 	# digest
 	pakfire_digest_get_by_name;
+	pakfire_digest_name;
 
 	# dist
 	pakfire_dist;