Fix sparse warnings
Fix warnings from 'make check'.
- These files don't include 'builtin.h' causing sparse to complain that
cmd_* isn't declared:
builtin/clone.c:364, builtin/fetch-pack.c:797,
builtin/fmt-merge-msg.c:34, builtin/hash-object.c:78,
builtin/merge-index.c:69, builtin/merge-recursive.c:22
builtin/merge-tree.c:341, builtin/mktag.c:156, builtin/notes.c:426
builtin/notes.c:822, builtin/pack-redundant.c:596,
builtin/pack-refs.c:10, builtin/patch-id.c:60, builtin/patch-id.c:149,
builtin/remote.c:1512, builtin/remote-ext.c:240,
builtin/remote-fd.c:53, builtin/reset.c:236, builtin/send-pack.c:384,
builtin/unpack-file.c:25, builtin/var.c:75
- These files have symbols which should be marked static since they're
only file scope:
submodule.c:12, diff.c:631, replace_object.c:92, submodule.c:13,
submodule.c:14, trace.c:78, transport.c:195, transport-helper.c:79,
unpack-trees.c:19, url.c:3, url.c:18, url.c:104, url.c:117, url.c:123,
url.c:129, url.c:136, thread-utils.c:21, thread-utils.c:48
- These files redeclare symbols to be different types:
builtin/index-pack.c:210, parse-options.c:564, parse-options.c:571,
usage.c:49, usage.c:58, usage.c:63, usage.c:72
- These files use a literal integer 0 when they really should use a NULL
pointer:
daemon.c:663, fast-import.c:2942, imap-send.c:1072, notes-merge.c:362
While we're in the area, clean up some unused #includes in builtin files
(mostly exec_cmd.h).
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
14 years ago
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#include "builtin.h"
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static void flush_current_id(int patchlen, unsigned char *id, git_SHA_CTX *c)
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{
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unsigned char result[20];
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char name[50];
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if (!patchlen)
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return;
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git_SHA1_Final(result, c);
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memcpy(name, sha1_to_hex(id), 41);
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printf("%s %s\n", sha1_to_hex(result), name);
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git_SHA1_Init(c);
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}
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static int remove_space(char *line)
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{
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char *src = line;
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char *dst = line;
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unsigned char c;
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while ((c = *src++) != '\0') {
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if (!isspace(c))
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*dst++ = c;
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}
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return dst - line;
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}
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static int scan_hunk_header(const char *p, int *p_before, int *p_after)
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{
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static const char digits[] = "0123456789";
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const char *q, *r;
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int n;
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q = p + 4;
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n = strspn(q, digits);
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if (q[n] == ',') {
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q += n + 1;
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n = strspn(q, digits);
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}
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if (n == 0 || q[n] != ' ' || q[n+1] != '+')
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return 0;
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r = q + n + 2;
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n = strspn(r, digits);
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if (r[n] == ',') {
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r += n + 1;
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n = strspn(r, digits);
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}
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if (n == 0)
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return 0;
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*p_before = atoi(q);
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*p_after = atoi(r);
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return 1;
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}
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static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx, struct strbuf *line_buf)
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{
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int patchlen = 0, found_next = 0;
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int before = -1, after = -1;
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while (strbuf_getwholeline(line_buf, stdin, '\n') != EOF) {
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char *line = line_buf->buf;
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char *p = line;
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int len;
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if (!memcmp(line, "diff-tree ", 10))
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p += 10;
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else if (!memcmp(line, "commit ", 7))
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p += 7;
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else if (!memcmp(line, "From ", 5))
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p += 5;
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else if (!memcmp(line, "\\ ", 2) && 12 < strlen(line))
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continue;
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if (!get_sha1_hex(p, next_sha1)) {
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found_next = 1;
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break;
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}
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/* Ignore commit comments */
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if (!patchlen && memcmp(line, "diff ", 5))
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continue;
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/* Parsing diff header? */
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if (before == -1) {
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if (!memcmp(line, "index ", 6))
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continue;
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else if (!memcmp(line, "--- ", 4))
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before = after = 1;
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else if (!isalpha(line[0]))
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break;
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}
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/* Looking for a valid hunk header? */
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if (before == 0 && after == 0) {
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if (!memcmp(line, "@@ -", 4)) {
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/* Parse next hunk, but ignore line numbers. */
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scan_hunk_header(line, &before, &after);
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continue;
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}
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/* Split at the end of the patch. */
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if (memcmp(line, "diff ", 5))
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break;
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/* Else we're parsing another header. */
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before = after = -1;
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}
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/* If we get here, we're inside a hunk. */
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if (line[0] == '-' || line[0] == ' ')
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before--;
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if (line[0] == '+' || line[0] == ' ')
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after--;
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/* Compute the sha without whitespace */
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len = remove_space(line);
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patchlen += len;
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git_SHA1_Update(ctx, line, len);
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}
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if (!found_next)
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hashclr(next_sha1);
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return patchlen;
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}
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static void generate_id_list(void)
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{
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unsigned char sha1[20], n[20];
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git_SHA_CTX ctx;
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int patchlen;
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struct strbuf line_buf = STRBUF_INIT;
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git_SHA1_Init(&ctx);
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hashclr(sha1);
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while (!feof(stdin)) {
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patchlen = get_one_patchid(n, &ctx, &line_buf);
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flush_current_id(patchlen, sha1, &ctx);
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hashcpy(sha1, n);
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}
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strbuf_release(&line_buf);
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}
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static const char patch_id_usage[] = "git patch-id < patch";
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int cmd_patch_id(int argc, const char **argv, const char *prefix)
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{
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if (argc != 1)
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usage(patch_id_usage);
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generate_id_list();
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return 0;
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}
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