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447b99c8b1
The advise() function takes a variable number of arguments and converts them into a va_list object to pass to strbuf for handling. However, we accidentally called strbuf_addf (that takes a variable number of arguments) instead of strbuf_vaddf (that takes a va_list). This bug dates back to v1.7.8.1-1-g23cb5bf, but we never noticed because none of the current callers passes a string with a format specifier in it. And the compiler did not notice because the format string is not available at compile time. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
#include "cache.h"
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int advice_push_nonfastforward = 1;
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int advice_status_hints = 1;
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int advice_commit_before_merge = 1;
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int advice_resolve_conflict = 1;
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int advice_implicit_identity = 1;
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int advice_detached_head = 1;
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static struct {
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const char *name;
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int *preference;
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} advice_config[] = {
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{ "pushnonfastforward", &advice_push_nonfastforward },
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{ "statushints", &advice_status_hints },
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{ "commitbeforemerge", &advice_commit_before_merge },
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{ "resolveconflict", &advice_resolve_conflict },
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{ "implicitidentity", &advice_implicit_identity },
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{ "detachedhead", &advice_detached_head },
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};
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void advise(const char *advice, ...)
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{
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struct strbuf buf = STRBUF_INIT;
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va_list params;
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const char *cp, *np;
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va_start(params, advice);
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strbuf_vaddf(&buf, advice, params);
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va_end(params);
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for (cp = buf.buf; *cp; cp = np) {
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np = strchrnul(cp, '\n');
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fprintf(stderr, _("hint: %.*s\n"), (int)(np - cp), cp);
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if (*np)
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np++;
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}
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strbuf_release(&buf);
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}
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int git_default_advice_config(const char *var, const char *value)
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{
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const char *k = skip_prefix(var, "advice.");
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int i;
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for (i = 0; i < ARRAY_SIZE(advice_config); i++) {
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if (strcmp(k, advice_config[i].name))
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continue;
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*advice_config[i].preference = git_config_bool(var, value);
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return 0;
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}
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return 0;
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}
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int error_resolve_conflict(const char *me)
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{
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error("'%s' is not possible because you have unmerged files.", me);
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if (advice_resolve_conflict)
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/*
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* Message used both when 'git commit' fails and when
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* other commands doing a merge do.
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*/
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advise(_("Fix them up in the work tree,\n"
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"and then use 'git add/rm <file>' as\n"
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"appropriate to mark resolution and make a commit,\n"
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"or use 'git commit -a'."));
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return -1;
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}
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void NORETURN die_resolve_conflict(const char *me)
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{
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error_resolve_conflict(me);
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die("Exiting because of an unresolved conflict.");
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}
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