add hexln tool

kenorb-contrib · Oct 24, 2015 · 209f1f0 · 209f1f0
1 parent 2ab38f5
commit 209f1f0
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Showing 3 changed files with 39 additions and 2 deletions.
diff --git a/.gitignore b/.gitignore
@@ -29,6 +29,7 @@
 *.hex
 
 brainflayer
+hexln
 hex2blf
 blfchk
 ecmtabgen

diff --git a/Makefile b/Makefile
@@ -1,9 +1,9 @@
 HEADERS = bloom.h crack.h hash160.h warpwallet.h
-OBJ_MAIN = brainflayer.o hex2blf.o blfchk.o ecmtabgen.o
+OBJ_MAIN = brainflayer.o hex2blf.o blfchk.o ecmtabgen.o hexln.o
 OBJ_UTIL = hex.o bloom.o mmapf.o hsearchf.o ec_pubkey_fast.o ripemd160_256.o dldummy.o
 OBJ_FMT = warpwallet.o brainwalletio.o brainv2.o
 OBJECTS = $(OBJ_MAIN) $(OBJ_UTIL) $(OBJ_FMT)
-BINARIES = brainflayer hex2blf blfchk ecmtabgen
+BINARIES = brainflayer hexln hex2blf blfchk ecmtabgen
 LIBS = -lssl -lrt -lcrypto -lz -lgmp
 CFLAGS = -O3 -flto -pedantic -std=gnu99 -Wall -Wextra -funsigned-char -Wno-pointer-sign -Wno-sign-compare
 COMPILE = gcc $(CFLAGS)
@@ -39,6 +39,9 @@ ec_pubkey_fast.o: ec_pubkey_fast.c secp256k1/include/secp256k1.h
 %.o: %.c
 	$(COMPILE) -c $< -o $@
 
+hexln: hexln.o hex.o
+	$(COMPILE) -static $^ $(LIBS) -o $@
+
 blfchk: blfchk.o hex.o bloom.o mmapf.o hsearchf.o
 	$(COMPILE) -static $^ $(LIBS) -o $@
 

diff --git a/hexln.c b/hexln.c
@@ -0,0 +1,33 @@
+/* Copyright (c) 2015 Ryan Castellucci, All Rights Reserved */
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "hex.h"
+
+int main(int argc, char **argv) {
+  char *line = NULL;
+  size_t line_sz = 0, buf_sz = 2;
+  ssize_t line_read;
+  unsigned char *buf = malloc(buf_sz);
+
+  if (argc > 1) {
+    fprintf(stderr, "Usage: %s\n", argv[0]);
+    return 1;
+  }
+
+  while ((line_read = getline(&line, &line_sz, stdin)) > 0) {
+    while (line_sz * 2 > buf_sz) {
+      buf_sz *= 2;
+      buf = realloc(buf, buf_sz);
+    }
+    if (buf == NULL) {
+      fprintf(stderr, "memory error\n");
+      return 1;
+    }
+    printf("%s\n", hex(line, line_read - 1, buf, buf_sz));
+  }
+
+  return 0;
+}
+
+/*  vim: set ts=2 sw=2 et ai si: */
-Original file line number
+Diff line change
@@ Expand Up / @@ -29,6 +29,7 @@ @@
     *.hex
     brainflayer
+    hexln
     hex2blf
     blfchk
     ecmtabgen
@@ Expand Down @@