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compat/mingw.[ch]: Change return type of exec functions to int
The POSIX standard specifies a return type of int for all six exec functions. In addition, all exec functions return -1 on error, and simply do not return on success. However, the current emulation of the exec functions on mingw are declared with a void return type. This would cause a problem should any code attempt to call the exec function in a non-void context. In particular, if an exec function were used in a conditional it would fail to compile. In order to improve the fidelity of the emulation, we change the return type of the mingw_execv[p] functions to int and return -1 on error. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -1003,7 +1003,7 @@ static void mingw_execve(const char *cmd, char *const *argv, char *const *env)
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}
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}
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void mingw_execvp(const char *cmd, char *const *argv)
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int mingw_execvp(const char *cmd, char *const *argv)
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{
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char **path = get_path_split();
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char *prog = path_lookup(cmd, path, 0);
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@ -1015,11 +1015,13 @@ void mingw_execvp(const char *cmd, char *const *argv)
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errno = ENOENT;
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free_path_split(path);
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return -1;
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}
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void mingw_execv(const char *cmd, char *const *argv)
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int mingw_execv(const char *cmd, char *const *argv)
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{
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mingw_execve(cmd, argv, environ);
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return -1;
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}
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int mingw_kill(pid_t pid, int sig)
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@ -274,9 +274,9 @@ int mingw_utime(const char *file_name, const struct utimbuf *times);
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pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
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const char *dir,
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int fhin, int fhout, int fherr);
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void mingw_execvp(const char *cmd, char *const *argv);
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int mingw_execvp(const char *cmd, char *const *argv);
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#define execvp mingw_execvp
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void mingw_execv(const char *cmd, char *const *argv);
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int mingw_execv(const char *cmd, char *const *argv);
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#define execv mingw_execv
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static inline unsigned int git_ntohl(unsigned int x)
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