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59362e560d
The function sometimes returns a newly allocated string and sometimes returns a borrowed string, the latter of which the callers must not free(). The existing callers all assume that the return value belongs to the callee and most of them copy it with strdup() when they want to keep it around. They end up leaking the returned copy when the callee returned a new string because they cannot tell if they should free it. Change the contract between the callers and system_path() to make the returned string owned by the callers; they are responsible for freeing it when done, but they do not have to make their own copy to store it away. Adjust the callers to make sure they do not leak the returned string once they are done, but do not bother freeing it just before dying, exiting or exec'ing other program to avoid unnecessary churn. Reported-by: Alexander Kuleshov <kuleshovmail@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
15 lines
503 B
C
15 lines
503 B
C
#ifndef GIT_EXEC_CMD_H
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#define GIT_EXEC_CMD_H
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extern void git_set_argv_exec_path(const char *exec_path);
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extern const char *git_extract_argv0_path(const char *path);
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extern const char *git_exec_path(void);
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extern void setup_path(void);
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extern const char **prepare_git_cmd(const char **argv);
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extern int execv_git_cmd(const char **argv); /* NULL terminated */
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LAST_ARG_MUST_BE_NULL
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extern int execl_git_cmd(const char *cmd, ...);
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extern char *system_path(const char *path);
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#endif /* GIT_EXEC_CMD_H */
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