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-rw-r--r--diff-cache.c2
-rw-r--r--diff-files.c2
-rw-r--r--diff-helper.c2
-rw-r--r--diff-tree.c2
-rw-r--r--diff.c2
-rw-r--r--diff.h2
6 files changed, 6 insertions, 6 deletions
diff --git a/diff-cache.c b/diff-cache.c
index b47b45a..c604359 100644
--- a/diff-cache.c
+++ b/diff-cache.c
@@ -8,7 +8,7 @@ static int line_termination = '\n';
static int detect_rename = 0;
static int reverse_diff = 0;
static int diff_score_opt = 0;
-static char *pickaxe = 0;
+static const char *pickaxe = NULL;
/* A file entry went away or appeared */
static void show_file(const char *prefix, struct cache_entry *ce, unsigned char *sha1, unsigned int mode)
diff --git a/diff-files.c b/diff-files.c
index a3c523f..6dca9e0 100644
--- a/diff-files.c
+++ b/diff-files.c
@@ -14,7 +14,7 @@ static int line_termination = '\n';
static int detect_rename = 0;
static int reverse_diff = 0;
static int diff_score_opt = 0;
-static char *pickaxe = 0;
+static const char *pickaxe = NULL;
static int silent = 0;
static int matches_pathspec(struct cache_entry *ce, char **spec, int cnt)
diff --git a/diff-helper.c b/diff-helper.c
index 568d5ae..3c39c96 100644
--- a/diff-helper.c
+++ b/diff-helper.c
@@ -9,7 +9,7 @@
static int detect_rename = 0;
static int diff_score_opt = 0;
static int generate_patch = 1;
-static char *pickaxe = 0;
+static const char *pickaxe = NULL;
static int parse_oneside_change(const char *cp, int *mode,
unsigned char *sha1, char *path)
diff --git a/diff-tree.c b/diff-tree.c
index 868404f..73aa149 100644
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -13,7 +13,7 @@ static int generate_patch = 0;
static int detect_rename = 0;
static int reverse_diff = 0;
static int diff_score_opt = 0;
-static char *pickaxe = 0;
+static const char *pickaxe = NULL;
static const char *header = NULL;
static const char *header_prefix = "";
diff --git a/diff.c b/diff.c
index 13d5e3e..f7d4bc4 100644
--- a/diff.c
+++ b/diff.c
@@ -513,7 +513,7 @@ int diff_scoreopt_parse(const char *opt)
}
void diff_setup(int detect_rename_, int minimum_score_,
- char *pickaxe_,
+ const char *pickaxe_,
int reverse_diff_, int diff_raw_output_,
const char **pathspec_, int speccnt_)
{
diff --git a/diff.h b/diff.h
index 97d39ac..7473c52 100644
--- a/diff.h
+++ b/diff.h
@@ -20,7 +20,7 @@ extern void diff_unmerge(const char *path);
extern int diff_scoreopt_parse(const char *opt);
extern void diff_setup(int detect_rename, int minimum_score,
- char *pickaxe,
+ const char *pickaxe,
int reverse, int raw_output,
const char **spec, int cnt);