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ba744647ea
Some varargs functions that use NULL-terminated parameter list were missing __attributes__ ((sentinel)) aka LAST_ARG_MUST_BE_NULL. Add them. Signed-off-by: Junio C Hamano <gitster@pobox.com>
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
#ifndef HOOK_H
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#define HOOK_H
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#include "strvec.h"
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struct run_hooks_opt
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{
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/* Environment vars to be set for each hook */
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struct strvec env;
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/* Args to be passed to each hook */
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struct strvec args;
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/* Emit an error if the hook is missing */
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unsigned int error_if_missing:1;
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/**
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* An optional initial working directory for the hook,
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* translates to "struct child_process"'s "dir" member.
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*/
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const char *dir;
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/**
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* A pointer which if provided will be set to 1 or 0 depending
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* on if a hook was started, regardless of whether or not that
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* was successful. I.e. if the underlying start_command() was
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* successful this will be set to 1.
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*
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* Used for avoiding TOCTOU races in code that would otherwise
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* call hook_exist() after a "maybe hook run" to see if a hook
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* was invoked.
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*/
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int *invoked_hook;
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/**
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* Path to file which should be piped to stdin for each hook.
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*/
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const char *path_to_stdin;
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};
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#define RUN_HOOKS_OPT_INIT { \
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.env = STRVEC_INIT, \
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.args = STRVEC_INIT, \
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}
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struct hook_cb_data {
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/* rc reflects the cumulative failure state */
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int rc;
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const char *hook_name;
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const char *hook_path;
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struct run_hooks_opt *options;
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};
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/*
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* Returns the path to the hook file, or NULL if the hook is missing
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* or disabled. Note that this points to static storage that will be
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* overwritten by further calls to find_hook and run_hook_*.
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*/
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const char *find_hook(const char *name);
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/**
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* A boolean version of find_hook()
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*/
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int hook_exists(const char *hookname);
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/**
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* Takes a `hook_name`, resolves it to a path with find_hook(), and
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* runs the hook for you with the options specified in "struct
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* run_hooks opt". Will free memory associated with the "struct run_hooks_opt".
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*
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* Returns the status code of the run hook, or a negative value on
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* error().
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*/
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int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options);
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/**
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* A wrapper for run_hooks_opt() which provides a dummy "struct
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* run_hooks_opt" initialized with "RUN_HOOKS_OPT_INIT".
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*/
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int run_hooks(const char *hook_name);
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/**
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* Like run_hooks(), a wrapper for run_hooks_opt().
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*
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* In addition to the wrapping behavior provided by run_hooks(), this
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* wrapper takes a list of strings terminated by a NULL
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* argument. These things will be used as positional arguments to the
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* hook. This function behaves like the old run_hook_le() API.
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*/
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LAST_ARG_MUST_BE_NULL
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int run_hooks_l(const char *hook_name, ...);
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#endif
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