builtin/apply: move 'p_context' global into 'struct apply_state'

To libify the apply functionality the 'p_context' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/apply.c b/builtin/apply.c
index 59b0f1b00a3f93bb6d7af38ae76045a5c4a0f8e4..3c9f05262b94029c70c16df9e2ba519622eb9677 100644 (file)
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -49,6 +49,7 @@ struct apply_state {
        /* Other non boolean parameters */
        const char *fake_ancestor;
        int line_termination;
+       unsigned int p_context;
 };
 
 static int newfd = -1;
@@ -56,7 +57,6 @@ static int newfd = -1;
 static int state_p_value = 1;
 static int p_value_known;
 static int apply = 1;
-static unsigned int p_context = UINT_MAX;
 static const char * const apply_usage[] = {
        N_("git apply [<options>] [<patch>...]"),
        NULL
@@ -2872,7 +2872,7 @@ static int apply_one_fragment(struct apply_state *state,
                        break;
 
                /* Am I at my context limits? */
-               if ((leading <= p_context) && (trailing <= p_context))
+               if ((leading <= state->p_context) && (trailing <= state->p_context))
                        break;
                if (match_beginning || match_end) {
                        match_beginning = match_end = 0;
@@ -4566,6 +4566,7 @@ static void init_apply_state(struct apply_state *state, const char *prefix)
        state->prefix = prefix;
        state->prefix_length = state->prefix ? strlen(state->prefix) : 0;
        state->line_termination = '\n';
+       state->p_context = UINT_MAX;
 
        git_apply_config();
        if (apply_default_whitespace)
@@ -4628,7 +4629,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
                /* Think twice before adding "--nul" synonym to this */
                OPT_SET_INT('z', NULL, &state.line_termination,
                        N_("paths are separated with NUL character"), '\0'),
-               OPT_INTEGER('C', NULL, &p_context,
+               OPT_INTEGER('C', NULL, &state.p_context,
                                N_("ensure at least <n> lines of context match")),
                { OPTION_CALLBACK, 0, "whitespace", &whitespace_option, N_("action"),
                        N_("detect new or modified lines that have whitespace errors"),