mirror of
https://github.com/git/git.git
synced 2024-11-19 04:04:17 +01:00
cc44c7655f
This mechanically converts strncmp() to use prefixcmp(), but only when
the parameters match specific patterns, so that they can be verified
easily. Leftover from this will be fixed in a separate step, including
idiotic conversions like
if (!strncmp("foo", arg, 3))
=>
if (!(-prefixcmp(arg, "foo")))
This was done by using this script in px.perl
#!/usr/bin/perl -i.bak -p
if (/strncmp\(([^,]+), "([^\\"]*)", (\d+)\)/ && (length($2) == $3)) {
s|strncmp\(([^,]+), "([^\\"]*)", (\d+)\)|prefixcmp($1, "$2")|;
}
if (/strncmp\("([^\\"]*)", ([^,]+), (\d+)\)/ && (length($1) == $3)) {
s|strncmp\("([^\\"]*)", ([^,]+), (\d+)\)|(-prefixcmp($2, "$1"))|;
}
and running:
$ git grep -l strncmp -- '*.c' | xargs perl px.perl
Signed-off-by: Junio C Hamano <junkio@cox.net>
91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
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* Copyright (c) 2005, 2006 Rene Scharfe
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*/
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#include "cache.h"
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#include "commit.h"
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#include "tar.h"
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#include "builtin.h"
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#include "quote.h"
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static const char tar_tree_usage[] =
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"git-tar-tree [--remote=<repo>] <tree-ish> [basedir]\n"
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"*** Note that this command is now deprecated; use git-archive instead.";
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int cmd_tar_tree(int argc, const char **argv, const char *prefix)
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{
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/*
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* git-tar-tree is now a wrapper around git-archive --format=tar
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*
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* $0 --remote=<repo> arg... ==>
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* git-archive --format=tar --remote=<repo> arg...
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* $0 tree-ish ==>
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* git-archive --format=tar tree-ish
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* $0 tree-ish basedir ==>
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* git-archive --format-tar --prefix=basedir tree-ish
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*/
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int i;
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const char **nargv = xcalloc(sizeof(*nargv), argc + 2);
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char *basedir_arg;
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int nargc = 0;
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nargv[nargc++] = "git-archive";
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nargv[nargc++] = "--format=tar";
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if (2 <= argc && !(-prefixcmp(argv[1], "--remote="))) {
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nargv[nargc++] = argv[1];
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argv++;
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argc--;
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}
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switch (argc) {
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default:
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usage(tar_tree_usage);
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break;
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case 3:
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/* base-path */
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basedir_arg = xmalloc(strlen(argv[2]) + 11);
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sprintf(basedir_arg, "--prefix=%s/", argv[2]);
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nargv[nargc++] = basedir_arg;
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/* fallthru */
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case 2:
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/* tree-ish */
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nargv[nargc++] = argv[1];
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}
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nargv[nargc] = NULL;
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fprintf(stderr,
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"*** git-tar-tree is now deprecated.\n"
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"*** Running git-archive instead.\n***");
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for (i = 0; i < nargc; i++) {
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fputc(' ', stderr);
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sq_quote_print(stderr, nargv[i]);
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}
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fputc('\n', stderr);
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return cmd_archive(nargc, nargv, prefix);
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}
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/* ustar header + extended global header content */
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#define RECORDSIZE (512)
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#define HEADERSIZE (2 * RECORDSIZE)
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int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix)
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{
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char buffer[HEADERSIZE];
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struct ustar_header *header = (struct ustar_header *)buffer;
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char *content = buffer + RECORDSIZE;
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ssize_t n;
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n = read_in_full(0, buffer, HEADERSIZE);
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if (n < HEADERSIZE)
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die("git-get-tar-commit-id: read error");
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if (header->typeflag[0] != 'g')
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return 1;
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if (memcmp(content, "52 comment=", 11))
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return 1;
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n = write_in_full(1, content + 11, 41);
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if (n < 41)
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die("git-get-tar-commit-id: write error");
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return 0;
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}
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