Move base64 back to pls.c

6 files changed, 57 insertions, 82 deletions

diff --git a/Makefile b/Makefile
index 9f2814b..cd96001 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,6 @@ OBJS += input.o
 OBJS += irc.o
 OBJS += log.o
 OBJS += pls.o
-OBJS += string.o
 OBJS += tab.o
 OBJS += tag.o
 OBJS += term.o
@@ -31,7 +30,7 @@ OBJS += ui.o
 OBJS += url.o
 
 TESTS += format.t
-TESTS += string.t
+TESTS += pls.t
 TESTS += term.t
 
 all: tags $(BINS) test
diff --git a/README b/README
index 4b9f913..6a14ed2 100644
--- a/README
+++ b/README
@@ -31,7 +31,6 @@ FILES
      edit.c     line editing
      tab.c      tab-complete
      url.c      URL detection
-     string.c   base64 and rot13
      pls.c      functions which should not have to be written
      sandman.m  utility for Darwin to signal sleep
 
diff --git a/catgirl.7 b/catgirl.7
index 32fda39..4151b80 100644
--- a/catgirl.7
+++ b/catgirl.7
@@ -66,8 +66,6 @@ line editing
 tab-complete
 .It Pa url.c
 URL detection
-.It Pa string.c
-base64 and rot13
 .It Pa pls.c
 functions which should not have to be written
 .It Pa sandman.m
diff --git a/chat.h b/chat.h
index 9bce7a0..441056c 100644
--- a/chat.h
+++ b/chat.h
@@ -190,9 +190,6 @@ void logFmt(
 ) __attribute__((format(printf, 3, 4)));
 void logReplay(struct Tag tag);
 
-size_t base64Size(size_t len);
-void base64(char *dst, const byte *src, size_t len);
-
 wchar_t *wcsnchr(const wchar_t *wcs, size_t len, wchar_t chr);
 wchar_t *wcsnrchr(const wchar_t *wcs, size_t len, wchar_t chr);
 wchar_t *ambstowcs(const char *src);
@@ -201,6 +198,9 @@ char *awcsntombs(const wchar_t *src, size_t nwc);
 int vaswprintf(wchar_t **ret, const wchar_t *format, va_list ap);
 int aswprintf(wchar_t **ret, const wchar_t *format, ...);
 
+size_t base64Size(size_t len);
+void base64(char *dst, const byte *src, size_t len);
+
 // HACK: clang won't check wchar_t *format strings.
 #ifdef NDEBUG
 #define uiFmt(tag, heat, format, ...) uiFmt(tag, heat, L##format, __VA_ARGS__)
diff --git a/pls.c b/pls.c
index d91fc97..d553c5c 100644
--- a/pls.c
+++ b/pls.c
@@ -131,3 +131,56 @@ int aswprintf(wchar_t **ret, const wchar_t *format, ...) {
 	va_end(ap);
 	return n;
 }
+
+static const char Base64[64] = {
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+};
+
+size_t base64Size(size_t len) {
+	return 1 + (len + 2) / 3 * 4;
+}
+
+void base64(char *dst, const byte *src, size_t len) {
+	size_t i = 0;
+	while (len > 2) {
+		dst[i++] = Base64[0x3F & (src[0] >> 2)];
+		dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
+		dst[i++] = Base64[0x3F & (src[1] << 2 | src[2] >> 6)];
+		dst[i++] = Base64[0x3F & src[2]];
+		src += 3;
+		len -= 3;
+	}
+	if (len) {
+		dst[i++] = Base64[0x3F & (src[0] >> 2)];
+		if (len > 1) {
+			dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
+			dst[i++] = Base64[0x3F & (src[1] << 2)];
+		} else {
+			dst[i++] = Base64[0x3F & (src[0] << 4)];
+			dst[i++] = '=';
+		}
+		dst[i++] = '=';
+	}
+	dst[i] = '\0';
+}
+
+#ifdef TEST
+#include <assert.h>
+#include <string.h>
+
+int main() {
+	assert(5 == base64Size(1));
+	assert(5 == base64Size(2));
+	assert(5 == base64Size(3));
+	assert(9 == base64Size(4));
+
+	char b64[base64Size(3)];
+	assert((base64(b64, (byte *)"cat", 3), !strcmp("Y2F0", b64)));
+	assert((base64(b64, (byte *)"ca", 2), !strcmp("Y2E=", b64)));
+	assert((base64(b64, (byte *)"c", 1), !strcmp("Yw==", b64)));
+
+	assert((base64(b64, (byte *)"\xFF\x00\xFF", 3), !strcmp("/wD/", b64)));
+	assert((base64(b64, (byte *)"\x00\xFF\x00", 3), !strcmp("AP8A", b64)));
+}
+
+#endif
diff --git a/string.c b/string.c
deleted file mode 100644
index 4a6d9d8..0000000
--- a/string.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/* Copyright (C) 2018  C. McEnroe <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <err.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysexits.h>
-
-#include "chat.h"
-
-static const char Base64[64] = {
-	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
-};
-
-size_t base64Size(size_t len) {
-	return 1 + (len + 2) / 3 * 4;
-}
-
-void base64(char *dst, const byte *src, size_t len) {
-	size_t i = 0;
-	while (len > 2) {
-		dst[i++] = Base64[0x3F & (src[0] >> 2)];
-		dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
-		dst[i++] = Base64[0x3F & (src[1] << 2 | src[2] >> 6)];
-		dst[i++] = Base64[0x3F & src[2]];
-		src += 3;
-		len -= 3;
-	}
-	if (len) {
-		dst[i++] = Base64[0x3F & (src[0] >> 2)];
-		if (len > 1) {
-			dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
-			dst[i++] = Base64[0x3F & (src[1] << 2)];
-		} else {
-			dst[i++] = Base64[0x3F & (src[0] << 4)];
-			dst[i++] = '=';
-		}
-		dst[i++] = '=';
-	}
-	dst[i] = '\0';
-}
-
-#ifdef TEST
-#include <assert.h>
-
-int main() {
-	assert(5 == base64Size(1));
-	assert(5 == base64Size(2));
-	assert(5 == base64Size(3));
-	assert(9 == base64Size(4));
-
-	char b64[base64Size(3)];
-	assert((base64(b64, (byte *)"cat", 3), !strcmp("Y2F0", b64)));
-	assert((base64(b64, (byte *)"ca", 2), !strcmp("Y2E=", b64)));
-	assert((base64(b64, (byte *)"c", 1), !strcmp("Yw==", b64)));
-
-	assert((base64(b64, (byte *)"\xFF\x00\xFF", 3), !strcmp("/wD/", b64)));
-	assert((base64(b64, (byte *)"\x00\xFF\x00", 3), !strcmp("AP8A", b64)));
-}
-
-#endif