![Lars Hjemli](/assets/img/avatar_default.png)
This enables case-insensitive grep on logentris using the new search box Signed-off-by: Lars Hjemli <hjemli@gmail.com>
635 regels
14 KiB
C
635 regels
14 KiB
C
#ifndef GIT_H
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#define GIT_H
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/*
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* from git:git-compat-util.h
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*/
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#ifndef FLEX_ARRAY
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#if defined(__GNUC__) && (__GNUC__ < 3)
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#define FLEX_ARRAY 0
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#else
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#define FLEX_ARRAY /* empty */
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#endif
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#endif
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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#include <limits.h>
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#include <sys/param.h>
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#include <netinet/in.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <time.h>
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#include <regex.h>
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/* On most systems <limits.h> would have given us this, but
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* not on some systems (e.g. GNU/Hurd).
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*/
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#ifndef PATH_MAX
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#define PATH_MAX 4096
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#endif
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#ifdef __GNUC__
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#define NORETURN __attribute__((__noreturn__))
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#else
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#define NORETURN
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#ifndef __attribute__
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#define __attribute__(x)
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#endif
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#endif
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extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
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static inline char* xstrdup(const char *str)
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{
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char *ret = strdup(str);
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if (!ret)
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die("Out of memory, strdup failed");
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return ret;
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}
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static inline void *xmalloc(size_t size)
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{
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void *ret = malloc(size);
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if (!ret && !size)
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ret = malloc(1);
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if (!ret)
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die("Out of memory, malloc failed");
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#ifdef XMALLOC_POISON
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memset(ret, 0xA5, size);
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#endif
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return ret;
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}
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static inline void *xrealloc(void *ptr, size_t size)
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{
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void *ret = realloc(ptr, size);
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if (!ret && !size)
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ret = realloc(ptr, 1);
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if (!ret)
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die("Out of memory, realloc failed");
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return ret;
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}
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static inline void *xcalloc(size_t nmemb, size_t size)
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{
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void *ret = calloc(nmemb, size);
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if (!ret && (!nmemb || !size))
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ret = calloc(1, 1);
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if (!ret)
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die("Out of memory, calloc failed");
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return ret;
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}
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static inline ssize_t xread(int fd, void *buf, size_t len)
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{
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ssize_t nr;
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while (1) {
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nr = read(fd, buf, len);
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if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
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continue;
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return nr;
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}
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}
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static inline ssize_t xwrite(int fd, const void *buf, size_t len)
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{
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ssize_t nr;
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while (1) {
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nr = write(fd, buf, len);
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if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
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continue;
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return nr;
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}
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}
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/*
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* from git:cache.h
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*/
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/* Convert to/from hex/sha1 representation */
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#define MINIMUM_ABBREV 4
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#define DEFAULT_ABBREV 7
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extern const unsigned char null_sha1[20];
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extern int sha1_object_info(const unsigned char *, char *, unsigned long *);
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extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
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extern int get_sha1(const char *str, unsigned char *sha1);
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extern int get_sha1_hex(const char *hex, unsigned char *sha1);
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extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
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static inline int is_null_sha1(const unsigned char *sha1)
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{
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return !memcmp(sha1, null_sha1, 20);
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}
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static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
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{
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return memcmp(sha1, sha2, 20);
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}
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static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)
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{
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memcpy(sha_dst, sha_src, 20);
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}
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static inline void hashclr(unsigned char *hash)
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{
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memset(hash, 0, 20);
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}
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/*
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* from git:grep.h
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*/
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enum grep_pat_token {
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GREP_PATTERN,
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GREP_PATTERN_HEAD,
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GREP_PATTERN_BODY,
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GREP_AND,
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GREP_OPEN_PAREN,
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GREP_CLOSE_PAREN,
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GREP_NOT,
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GREP_OR,
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};
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enum grep_context {
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GREP_CONTEXT_HEAD,
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GREP_CONTEXT_BODY,
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};
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struct grep_pat {
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struct grep_pat *next;
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const char *origin;
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int no;
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enum grep_pat_token token;
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const char *pattern;
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regex_t regexp;
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};
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enum grep_expr_node {
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GREP_NODE_ATOM,
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GREP_NODE_NOT,
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GREP_NODE_AND,
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GREP_NODE_OR,
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};
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struct grep_opt {
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struct grep_pat *pattern_list;
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struct grep_pat **pattern_tail;
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struct grep_expr *pattern_expression;
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int prefix_length;
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regex_t regexp;
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unsigned linenum:1;
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unsigned invert:1;
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unsigned status_only:1;
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unsigned name_only:1;
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unsigned unmatch_name_only:1;
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unsigned count:1;
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unsigned word_regexp:1;
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unsigned fixed:1;
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unsigned all_match:1;
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#define GREP_BINARY_DEFAULT 0
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#define GREP_BINARY_NOMATCH 1
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#define GREP_BINARY_TEXT 2
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unsigned binary:2;
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unsigned extended:1;
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unsigned relative:1;
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unsigned pathname:1;
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int regflags;
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unsigned pre_context;
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unsigned post_context;
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};
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extern void compile_grep_patterns(struct grep_opt *opt);
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extern void free_grep_patterns(struct grep_opt *opt);
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/*
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* from git:object.h
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*/
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struct object_list {
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struct object *item;
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struct object_list *next;
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};
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struct object_refs {
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unsigned count;
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struct object *base;
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struct object *ref[FLEX_ARRAY]; /* more */
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};
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struct object_array {
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unsigned int nr;
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unsigned int alloc;
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struct object_array_entry {
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struct object *item;
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const char *name;
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} *objects;
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};
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#define TYPE_BITS 3
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#define FLAG_BITS 27
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/*
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* The object type is stored in 3 bits.
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*/
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struct object {
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unsigned parsed : 1;
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unsigned used : 1;
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unsigned type : TYPE_BITS;
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unsigned flags : FLAG_BITS;
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unsigned char sha1[20];
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};
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/*
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* from git:tree.h
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*/
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struct tree {
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struct object object;
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void *buffer;
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unsigned long size;
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};
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struct tree *lookup_tree(const unsigned char *sha1);
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int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);
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int parse_tree(struct tree *tree);
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struct tree *parse_tree_indirect(const unsigned char *sha1);
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typedef int (*read_tree_fn_t)(const unsigned char *, const char *, int, const char *, unsigned int, int);
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extern int read_tree_recursive(struct tree *tree,
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const char *base, int baselen,
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int stage, const char **match,
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read_tree_fn_t fn);
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extern int read_tree(struct tree *tree, int stage, const char **paths);
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/* from git:commit.h */
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struct commit_list {
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struct commit *item;
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struct commit_list *next;
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};
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struct commit {
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struct object object;
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void *util;
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unsigned long date;
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struct commit_list *parents;
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struct tree *tree;
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char *buffer;
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};
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struct commit *lookup_commit(const unsigned char *sha1);
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struct commit *lookup_commit_reference(const unsigned char *sha1);
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struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
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int quiet);
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int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
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int parse_commit(struct commit *item);
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struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
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struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
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void free_commit_list(struct commit_list *list);
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void sort_by_date(struct commit_list **list);
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/* Commit formats */
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enum cmit_fmt {
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CMIT_FMT_RAW,
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CMIT_FMT_MEDIUM,
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CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
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CMIT_FMT_SHORT,
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CMIT_FMT_FULL,
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CMIT_FMT_FULLER,
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CMIT_FMT_ONELINE,
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CMIT_FMT_EMAIL,
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CMIT_FMT_UNSPECIFIED,
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};
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extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, int relative_date);
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typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
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typedef void* (*topo_sort_get_fn_t)(struct commit*);
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/*
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* from git:diffcore.h
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*/
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struct diff_filespec {
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unsigned char sha1[20];
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char *path;
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void *data;
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void *cnt_data;
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unsigned long size;
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int xfrm_flags; /* for use by the xfrm */
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unsigned short mode; /* file mode */
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unsigned sha1_valid : 1; /* if true, use sha1 and trust mode;
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* if false, use the name and read from
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* the filesystem.
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*/
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#define DIFF_FILE_VALID(spec) (((spec)->mode) != 0)
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unsigned should_free : 1; /* data should be free()'ed */
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unsigned should_munmap : 1; /* data should be munmap()'ed */
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};
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struct diff_filepair {
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struct diff_filespec *one;
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struct diff_filespec *two;
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unsigned short int score;
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char status; /* M C R N D U (see Documentation/diff-format.txt) */
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unsigned source_stays : 1; /* all of R/C are copies */
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unsigned broken_pair : 1;
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unsigned renamed_pair : 1;
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};
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#define DIFF_PAIR_UNMERGED(p) \
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(!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two))
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#define DIFF_PAIR_RENAME(p) ((p)->renamed_pair)
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#define DIFF_PAIR_BROKEN(p) \
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( (!DIFF_FILE_VALID((p)->one) != !DIFF_FILE_VALID((p)->two)) && \
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((p)->broken_pair != 0) )
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#define DIFF_PAIR_TYPE_CHANGED(p) \
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((S_IFMT & (p)->one->mode) != (S_IFMT & (p)->two->mode))
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#define DIFF_PAIR_MODE_CHANGED(p) ((p)->one->mode != (p)->two->mode)
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extern void diff_free_filepair(struct diff_filepair *);
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extern int diff_unmodified_pair(struct diff_filepair *);
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struct diff_queue_struct {
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struct diff_filepair **queue;
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int alloc;
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int nr;
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};
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/*
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* from git:diff.h
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*/
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struct rev_info;
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struct diff_options;
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struct diff_queue_struct;
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typedef void (*change_fn_t)(struct diff_options *options,
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unsigned old_mode, unsigned new_mode,
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const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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const char *base, const char *path);
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typedef void (*add_remove_fn_t)(struct diff_options *options,
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int addremove, unsigned mode,
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const unsigned char *sha1,
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const char *base, const char *path);
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typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
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struct diff_options *options, void *data);
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#define DIFF_FORMAT_RAW 0x0001
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#define DIFF_FORMAT_DIFFSTAT 0x0002
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#define DIFF_FORMAT_NUMSTAT 0x0004
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#define DIFF_FORMAT_SUMMARY 0x0008
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#define DIFF_FORMAT_PATCH 0x0010
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/* These override all above */
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#define DIFF_FORMAT_NAME 0x0100
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#define DIFF_FORMAT_NAME_STATUS 0x0200
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#define DIFF_FORMAT_CHECKDIFF 0x0400
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/* Same as output_format = 0 but we know that -s flag was given
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* and we should not give default value to output_format.
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*/
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#define DIFF_FORMAT_NO_OUTPUT 0x0800
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#define DIFF_FORMAT_CALLBACK 0x1000
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struct diff_options {
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const char *filter;
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const char *orderfile;
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const char *pickaxe;
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const char *single_follow;
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unsigned recursive:1,
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tree_in_recursive:1,
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binary:1,
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text:1,
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full_index:1,
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silent_on_remove:1,
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find_copies_harder:1,
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color_diff:1,
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color_diff_words:1;
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int context;
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int break_opt;
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int detect_rename;
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int line_termination;
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int output_format;
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int pickaxe_opts;
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int rename_score;
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int reverse_diff;
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int rename_limit;
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int setup;
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int abbrev;
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const char *msg_sep;
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const char *stat_sep;
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long xdl_opts;
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int stat_width;
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int stat_name_width;
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int nr_paths;
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const char **paths;
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int *pathlens;
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change_fn_t change;
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add_remove_fn_t add_remove;
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diff_format_fn_t format_callback;
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void *format_callback_data;
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};
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enum color_diff {
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DIFF_RESET = 0,
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DIFF_PLAIN = 1,
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DIFF_METAINFO = 2,
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DIFF_FRAGINFO = 3,
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DIFF_FILE_OLD = 4,
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DIFF_FILE_NEW = 5,
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DIFF_COMMIT = 6,
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DIFF_WHITESPACE = 7,
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};
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extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
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const char *base, struct diff_options *opt);
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extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
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struct diff_options *opt);
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extern int git_diff_ui_config(const char *var, const char *value);
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extern void diff_setup(struct diff_options *);
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extern int diff_opt_parse(struct diff_options *, const char **, int);
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extern int diff_setup_done(struct diff_options *);
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extern void diffcore_std(struct diff_options *);
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extern void diff_flush(struct diff_options*);
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/* diff-raw status letters */
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#define DIFF_STATUS_ADDED 'A'
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#define DIFF_STATUS_COPIED 'C'
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#define DIFF_STATUS_DELETED 'D'
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#define DIFF_STATUS_MODIFIED 'M'
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#define DIFF_STATUS_RENAMED 'R'
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#define DIFF_STATUS_TYPE_CHANGED 'T'
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#define DIFF_STATUS_UNKNOWN 'X'
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#define DIFF_STATUS_UNMERGED 'U'
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/*
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* from git:refs.g
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*/
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typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data);
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extern int head_ref(each_ref_fn, void *);
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extern int for_each_ref(each_ref_fn, void *);
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extern int for_each_tag_ref(each_ref_fn, void *);
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extern int for_each_branch_ref(each_ref_fn, void *);
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extern int for_each_remote_ref(each_ref_fn, void *);
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/*
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* from git:revision.h
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*/
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struct rev_info;
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struct log_info;
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typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
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struct rev_info {
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/* Starting list */
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struct commit_list *commits;
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struct object_array pending;
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/* Basic information */
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const char *prefix;
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void *prune_data;
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prune_fn_t *prune_fn;
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/* Traversal flags */
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unsigned int dense:1,
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no_merges:1,
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no_walk:1,
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remove_empty_trees:1,
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simplify_history:1,
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lifo:1,
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topo_order:1,
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tag_objects:1,
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tree_objects:1,
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blob_objects:1,
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edge_hint:1,
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limited:1,
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unpacked:1, /* see also ignore_packed below */
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boundary:1,
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parents:1;
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/* Diff flags */
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unsigned int diff:1,
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full_diff:1,
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show_root_diff:1,
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no_commit_id:1,
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verbose_header:1,
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ignore_merges:1,
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combine_merges:1,
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dense_combined_merges:1,
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always_show_header:1;
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/* Format info */
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unsigned int shown_one:1,
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abbrev_commit:1,
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relative_date:1;
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const char **ignore_packed; /* pretend objects in these are unpacked */
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int num_ignore_packed;
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unsigned int abbrev;
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enum cmit_fmt commit_format;
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struct log_info *loginfo;
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int nr, total;
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const char *mime_boundary;
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const char *message_id;
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const char *ref_message_id;
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const char *add_signoff;
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const char *extra_headers;
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|
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/* Filter by commit log message */
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struct grep_opt *grep_filter;
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|
|
/* special limits */
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|
int max_count;
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|
unsigned long max_age;
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|
unsigned long min_age;
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|
|
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/* diff info for patches and for paths limiting */
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struct diff_options diffopt;
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|
struct diff_options pruning;
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|
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topo_sort_set_fn_t topo_setter;
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topo_sort_get_fn_t topo_getter;
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};
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extern void init_revisions(struct rev_info *revs, const char *prefix);
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extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
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extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
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extern void prepare_revision_walk(struct rev_info *revs);
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extern struct commit *get_revision(struct rev_info *revs);
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/* from git:log-tree.h */
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int log_tree_commit(struct rev_info *, struct commit *);
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#endif /* GIT_H */
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