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[PATCH 3/6] Add "const" qualifier to "char *pager_program".

From: Christian Couder <hidden>
Date: 2016-06-15 22:44:14
Subsystem: the rest · Maintainer: Linus Torvalds

Also use "git_config_string" to simplify "config.c" code
where "pager_program" is set.

Signed-off-by: Christian Couder <redacted>
---
 cache.h       |    2 +-
 config.c      |    8 ++------
 environment.c |    2 +-
 3 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/cache.h b/cache.h
index cef058d..892f374 100644
--- a/cache.h
+++ b/cache.h
@@ -651,7 +651,7 @@ extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char
 
 /* pager.c */
 extern void setup_pager(void);
-extern char *pager_program;
+extern const char *pager_program;
 extern int pager_in_use(void);
 extern int pager_use_color;
 
diff --git a/config.c b/config.c
index ca6af2d..01e3843 100644
--- a/config.c
+++ b/config.c
@@ -440,12 +440,8 @@ int git_default_config(const char *var, const char *value)
 		return 0;
 	}
 
-	if (!strcmp(var, "core.pager")) {
-		if (!value)
-			return config_error_nonbool(var);
-		pager_program = xstrdup(value);
-		return 0;
-	}
+	if (!strcmp(var, "core.pager"))
+		return git_config_string(&pager_program, var, value);
 
 	if (!strcmp(var, "core.editor")) {
 		if (!value)
diff --git a/environment.c b/environment.c
index 18a1c4e..b8869e9 100644
--- a/environment.c
+++ b/environment.c
@@ -30,7 +30,7 @@ int core_compression_seen;
 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
 size_t delta_base_cache_limit = 16 * 1024 * 1024;
-char *pager_program;
+const char *pager_program;
 int pager_use_color = 1;
 char *editor_program;
 char *excludes_file;
-- 
1.5.4.1.129.gf12af-dirty
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