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The sentinel function attribute is not understood by versions of the gcc compiler prior to v4.0. At present, for earlier versions of gcc, the build issues 108 warnings related to the unknown attribute. In order to suppress the warnings, we conditionally define the LAST_ARG_MUST_BE_NULL macro to provide the sentinel attribute for gcc v4.0 and newer. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
25 lines
696 B
C
25 lines
696 B
C
#ifndef ARGV_ARRAY_H
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#define ARGV_ARRAY_H
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extern const char *empty_argv[];
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struct argv_array {
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const char **argv;
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int argc;
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int alloc;
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};
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#define ARGV_ARRAY_INIT { empty_argv, 0, 0 }
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void argv_array_init(struct argv_array *);
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void argv_array_push(struct argv_array *, const char *);
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__attribute__((format (printf,2,3)))
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void argv_array_pushf(struct argv_array *, const char *fmt, ...);
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LAST_ARG_MUST_BE_NULL
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void argv_array_pushl(struct argv_array *, ...);
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void argv_array_pop(struct argv_array *);
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void argv_array_clear(struct argv_array *);
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const char **argv_array_detach(struct argv_array *array, int *argc);
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void argv_array_free_detached(const char **argv);
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#endif /* ARGV_ARRAY_H */
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