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a31cfe3283
The server_supports_v2() helper lets a caller find out if the server
supports a feature, and will optionally die if it's not supported. This
makes the return value confusing, as it's only meaningful when the
function is not asked to die.
Coverity flagged a new call like:
/* check that we support "foo" */
server_supports_v2("foo", 1);
complaining that we usually checked the return value, but this time we
didn't. But this call is correct, and other ones that did:
if (server_supports_v2("foo", 1))
do_something_with_foo();
are "wrong", in the sense that we know the conditional will always be
true (but there's no bug; the code is simply misleading).
Let's split the "die" behavior into its own function which returns void,
and modify each caller to use the correct one.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
#ifndef CONNECT_H
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#define CONNECT_H
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#include "protocol.h"
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#define CONNECT_VERBOSE (1u << 0)
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#define CONNECT_DIAG_URL (1u << 1)
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#define CONNECT_IPV4 (1u << 2)
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#define CONNECT_IPV6 (1u << 3)
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struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags);
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int finish_connect(struct child_process *conn);
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int git_connection_is_socket(struct child_process *conn);
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int server_supports(const char *feature);
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int parse_feature_request(const char *features, const char *feature);
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const char *server_feature_value(const char *feature, int *len_ret);
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int url_is_local_not_ssh(const char *url);
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struct packet_reader;
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enum protocol_version discover_version(struct packet_reader *reader);
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int server_supports_hash(const char *desired, int *feature_supported);
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const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp, int *offset);
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int server_supports_v2(const char *c);
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void ensure_server_supports_v2(const char *c);
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int server_feature_v2(const char *c, const char **v);
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int server_supports_feature(const char *c, const char *feature,
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int die_on_error);
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void check_stateless_delimiter(int stateless_rpc,
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struct packet_reader *reader,
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const char *error);
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#endif
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