Add a helper function for initializing those struct child_process
variables for which the macro CHILD_PROCESS_INIT can't be used.
Suggested-by: Jeff King <peff@xxxxxxxx>
Signed-off-by: Rene Scharfe <l.s.r@xxxxxx>
---
Documentation/technical/api-run-command.txt | 8 ++++++--
connect.c | 6 ++++--
run-command.c | 6 ++++++
run-command.h | 1 +
transport-helper.c | 5 +++--
5 files changed, 20 insertions(+), 6 deletions(-)
diff --git a/Documentation/technical/api-run-command.txt b/Documentation/technical/api-run-command.txt
index ca066bf..842b838 100644
--- a/Documentation/technical/api-run-command.txt
+++ b/Documentation/technical/api-run-command.txt
@@ -13,6 +13,10 @@ produces in the caller in order to process it.
Functions
---------
+`child_process_init`
+
+ Initialize a struct child_process variable.
+
`start_command`::
Start a sub-process. Takes a pointer to a `struct child_process`
@@ -96,8 +100,8 @@ command to run in a sub-process.
The caller:
-1. allocates and clears (memset(&chld, 0, sizeof(chld)); or
- using CHILD_PROCESS_INIT) a struct child_process variable;
+1. allocates and clears (using child_process_init() or
+ CHILD_PROCESS_INIT) a struct child_process variable;
2. initializes the members;
3. calls start_command();
4. processes the data;
diff --git a/connect.c b/connect.c
index f5b930a..87b5202 100644
--- a/connect.c
+++ b/connect.c
@@ -537,7 +537,8 @@ static struct child_process *git_proxy_connect(int fd[2], char *host)
get_host_and_port(&host, &port);
- proxy = xcalloc(1, sizeof(*proxy));
+ proxy = xmalloc(sizeof(*proxy));
+ child_process_init(proxy);
argv_array_push(&proxy->args, git_proxy_command);
argv_array_push(&proxy->args, host);
argv_array_push(&proxy->args, port);
@@ -694,7 +695,8 @@ struct child_process *git_connect(int fd[2], const char *url,
target_host, 0);
free(target_host);
} else {
- conn = xcalloc(1, sizeof(*conn));
+ conn = xmalloc(sizeof(*conn));
+ child_process_init(conn);
strbuf_addstr(&cmd, prog);
strbuf_addch(&cmd, ' ');
diff --git a/run-command.c b/run-command.c
index a29a34f..47ab21b 100644
--- a/run-command.c
+++ b/run-command.c
@@ -8,6 +8,12 @@
# define SHELL_PATH "/bin/sh"
#endif
+void child_process_init(struct child_process *child)
+{
+ memset(child, 0, sizeof(*child));
+ argv_array_init(&child->args);
+}
+
struct child_to_clean {
pid_t pid;
struct child_to_clean *next;
diff --git a/run-command.h b/run-command.h
index 5484400..1b135d1 100644
--- a/run-command.h
+++ b/run-command.h
@@ -45,6 +45,7 @@ struct child_process {
};
#define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT }
+void child_process_init(struct child_process *);
int start_command(struct child_process *);
int finish_command(struct child_process *);
diff --git a/transport-helper.c b/transport-helper.c
index 3d8fe7d..080a7a6 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -118,7 +118,8 @@ static struct child_process *get_helper(struct transport *transport)
if (data->helper)
return data->helper;
- helper = xcalloc(1, sizeof(*helper));
+ helper = xmalloc(sizeof(*helper));
+ child_process_init(helper);
helper->in = -1;
helper->out = -1;
helper->err = 0;
@@ -395,7 +396,7 @@ static int get_importer(struct transport *transport, struct child_process *fasti
struct child_process *helper = get_helper(transport);
struct helper_data *data = transport->data;
int cat_blob_fd, code;
- memset(fastimport, 0, sizeof(*fastimport));
+ child_process_init(fastimport);
fastimport->in = helper->out;
argv_array_push(&fastimport->args, "fast-import");
argv_array_push(&fastimport->args, debug ? "--stats" : "--quiet");
--
2.1.0
--
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