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authorJason A. Donenfeld <Jason@zx2c4.com>2014-01-10 04:19:05 +0000
committerJason A. Donenfeld <Jason@zx2c4.com>2014-01-10 16:45:43 +0000
commit3eae406934b98ce78eff3a92cb410475d71095a3 (patch)
tree8545d754ee0b4d970a3299479087847bc4c33b5e
parentb67ea0c0222d5b7eb4f65413047138e72055d8c5 (diff)
downloadcgit-3eae406934b98ce78eff3a92cb410475d71095a3.tar
cgit-3eae406934b98ce78eff3a92cb410475d71095a3.tar.gz
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filter: split filter functions into their own file
A first step for more interesting things. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
-rw-r--r--cgit.c42
-rw-r--r--cgit.h1
-rw-r--r--cgit.mk1
-rw-r--r--filter.c82
-rw-r--r--shared.c35
5 files changed, 90 insertions, 71 deletions
diff --git a/cgit.c b/cgit.c
index d74b0f3..0be41b8 100644
--- a/cgit.c
+++ b/cgit.c
@@ -27,36 +27,6 @@ static void add_mimetype(const char *name, const char *value)
item->util = xstrdup(value);
}
-static struct cgit_filter *new_filter(const char *cmd, filter_type filtertype)
-{
- struct cgit_filter *f;
- int args_size = 0;
- int extra_args;
-
- if (!cmd || !cmd[0])
- return NULL;
-
- switch (filtertype) {
- case SOURCE:
- case ABOUT:
- extra_args = 1;
- break;
-
- case COMMIT:
- default:
- extra_args = 0;
- break;
- }
-
- f = xmalloc(sizeof(struct cgit_filter));
- f->cmd = xstrdup(cmd);
- args_size = (2 + extra_args) * sizeof(char *);
- f->argv = xmalloc(args_size);
- memset(f->argv, 0, args_size);
- f->argv[0] = f->cmd;
- return f;
-}
-
static void process_cached_repolist(const char *path);
static void repo_config(struct cgit_repo *repo, const char *name, const char *value)
@@ -114,11 +84,11 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va
repo->logo_link = xstrdup(value);
else if (ctx.cfg.enable_filter_overrides) {
if (!strcmp(name, "about-filter"))
- repo->about_filter = new_filter(value, ABOUT);
+ repo->about_filter = cgit_new_filter(value, ABOUT);
else if (!strcmp(name, "commit-filter"))
- repo->commit_filter = new_filter(value, COMMIT);
+ repo->commit_filter = cgit_new_filter(value, COMMIT);
else if (!strcmp(name, "source-filter"))
- repo->source_filter = new_filter(value, SOURCE);
+ repo->source_filter = cgit_new_filter(value, SOURCE);
}
}
@@ -215,9 +185,9 @@ static void config_cb(const char *name, const char *value)
else if (!strcmp(name, "case-sensitive-sort"))
ctx.cfg.case_sensitive_sort = atoi(value);
else if (!strcmp(name, "about-filter"))
- ctx.cfg.about_filter = new_filter(value, ABOUT);
+ ctx.cfg.about_filter = cgit_new_filter(value, ABOUT);
else if (!strcmp(name, "commit-filter"))
- ctx.cfg.commit_filter = new_filter(value, COMMIT);
+ ctx.cfg.commit_filter = cgit_new_filter(value, COMMIT);
else if (!strcmp(name, "embedded"))
ctx.cfg.embedded = atoi(value);
else if (!strcmp(name, "max-atom-items"))
@@ -251,7 +221,7 @@ static void config_cb(const char *name, const char *value)
else if (!strcmp(name, "section-sort"))
ctx.cfg.section_sort = atoi(value);
else if (!strcmp(name, "source-filter"))
- ctx.cfg.source_filter = new_filter(value, SOURCE);
+ ctx.cfg.source_filter = cgit_new_filter(value, SOURCE);
else if (!strcmp(name, "summary-log"))
ctx.cfg.summary_log = atoi(value);
else if (!strcmp(name, "summary-branches"))
diff --git a/cgit.h b/cgit.h
index f7b606c..a72c503 100644
--- a/cgit.h
+++ b/cgit.h
@@ -344,6 +344,7 @@ extern int cgit_parse_snapshots_mask(const char *str);
extern int cgit_open_filter(struct cgit_filter *filter);
extern int cgit_close_filter(struct cgit_filter *filter);
+extern struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype);
extern void cgit_prepare_repo_env(struct cgit_repo * repo);
diff --git a/cgit.mk b/cgit.mk
index b5cc7a2..19a76e7 100644
--- a/cgit.mk
+++ b/cgit.mk
@@ -29,6 +29,7 @@ CGIT_OBJ_NAMES += cgit.o
CGIT_OBJ_NAMES += cache.o
CGIT_OBJ_NAMES += cmd.o
CGIT_OBJ_NAMES += configfile.o
+CGIT_OBJ_NAMES += filter.o
CGIT_OBJ_NAMES += html.o
CGIT_OBJ_NAMES += parsing.o
CGIT_OBJ_NAMES += scan-tree.o
diff --git a/filter.c b/filter.c
new file mode 100644
index 0000000..f4ee9ac
--- /dev/null
+++ b/filter.c
@@ -0,0 +1,82 @@
+/* filter.c: filter framework functions
+ *
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
+ *
+ * Licensed under GNU General Public License v2
+ * (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+
+int cgit_open_filter(struct cgit_filter *filter)
+{
+ filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
+ "Unable to duplicate STDOUT");
+ chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
+ filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
+ if (filter->pid == 0) {
+ close(filter->pipe_fh[1]);
+ chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
+ "Unable to use pipe as STDIN");
+ execvp(filter->cmd, filter->argv);
+ die_errno("Unable to exec subprocess %s", filter->cmd);
+ }
+ close(filter->pipe_fh[0]);
+ chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
+ "Unable to use pipe as STDOUT");
+ close(filter->pipe_fh[1]);
+ return 0;
+}
+
+
+int cgit_close_filter(struct cgit_filter *filter)
+{
+ int exit_status;
+
+ chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
+ "Unable to restore STDOUT");
+ close(filter->old_stdout);
+ if (filter->pid < 0)
+ return 0;
+ waitpid(filter->pid, &exit_status, 0);
+ if (WIFEXITED(exit_status) && !WEXITSTATUS(exit_status))
+ return 0;
+ die("Subprocess %s exited abnormally", filter->cmd);
+}
+
+struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype)
+{
+ struct cgit_filter *f;
+ int args_size = 0;
+ int extra_args;
+
+ if (!cmd || !cmd[0])
+ return NULL;
+
+ switch (filtertype) {
+ case SOURCE:
+ case ABOUT:
+ extra_args = 1;
+ break;
+
+ case COMMIT:
+ default:
+ extra_args = 0;
+ break;
+ }
+
+ f = xmalloc(sizeof(struct cgit_filter));
+ memset(f, 0, sizeof(struct cgit_filter));
+
+ f->cmd = xstrdup(cmd);
+ args_size = (2 + extra_args) * sizeof(char *);
+ f->argv = xmalloc(args_size);
+ memset(f->argv, 0, args_size);
+ f->argv[0] = f->cmd;
+ return f;
+}
diff --git a/shared.c b/shared.c
index 6259d75..4626148 100644
--- a/shared.c
+++ b/shared.c
@@ -457,41 +457,6 @@ void cgit_prepare_repo_env(struct cgit_repo * repo)
fprintf(stderr, warn, p->name, p->value);
}
-int cgit_open_filter(struct cgit_filter *filter)
-{
- filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
- "Unable to duplicate STDOUT");
- chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
- filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
- if (filter->pid == 0) {
- close(filter->pipe_fh[1]);
- chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
- "Unable to use pipe as STDIN");
- execvp(filter->cmd, filter->argv);
- die_errno("Unable to exec subprocess %s", filter->cmd);
- }
- close(filter->pipe_fh[0]);
- chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
- "Unable to use pipe as STDOUT");
- close(filter->pipe_fh[1]);
- return 0;
-}
-
-int cgit_close_filter(struct cgit_filter *filter)
-{
- int exit_status;
-
- chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
- "Unable to restore STDOUT");
- close(filter->old_stdout);
- if (filter->pid < 0)
- return 0;
- waitpid(filter->pid, &exit_status, 0);
- if (WIFEXITED(exit_status) && !WEXITSTATUS(exit_status))
- return 0;
- die("Subprocess %s exited abnormally", filter->cmd);
-}
-
/* Read the content of the specified file into a newly allocated buffer,
* zeroterminate the buffer and return 0 on success, errno otherwise.
*/