/* shared.c: global vars + some callback functions
*
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
#include "cgit.h"
-struct repolist cgit_repolist;
-struct repoinfo *cgit_repo;
-int cgit_cmd;
-
-const char *cgit_version = CGIT_VERSION;
-
-char *cgit_root_title = "Git repository browser";
-char *cgit_css = "/cgit.css";
-char *cgit_logo = "/git-logo.png";
-char *cgit_index_header = NULL;
-char *cgit_index_info = NULL;
-char *cgit_logo_link = "http://www.kernel.org/pub/software/scm/git/docs/";
-char *cgit_module_link = "./?repo=%s&page=commit&id=%s";
-char *cgit_agefile = "info/web/last-modified";
-char *cgit_virtual_root = NULL;
-char *cgit_script_name = CGIT_SCRIPT_NAME;
-char *cgit_cache_root = CGIT_CACHE_ROOT;
-char *cgit_repo_group = NULL;
-char *cgit_robots = "index, nofollow";
-char *cgit_clone_prefix = NULL;
-
-int cgit_nocache = 0;
-int cgit_snapshots = 0;
-int cgit_enable_index_links = 0;
-int cgit_enable_log_filecount = 0;
-int cgit_enable_log_linecount = 0;
-int cgit_max_lock_attempts = 5;
-int cgit_cache_root_ttl = 5;
-int cgit_cache_repo_ttl = 5;
-int cgit_cache_dynamic_ttl = 5;
-int cgit_cache_static_ttl = -1;
-int cgit_cache_max_create_time = 5;
-int cgit_summary_log = 0;
-int cgit_summary_tags = 0;
-int cgit_summary_branches = 0;
-int cgit_renamelimit = -1;
-
-int cgit_max_msg_len = 60;
-int cgit_max_repodesc_len = 60;
-int cgit_max_commit_count = 50;
-
-int cgit_query_has_symref = 0;
-int cgit_query_has_sha1 = 0;
-
-char *cgit_querystring = NULL;
-char *cgit_query_repo = NULL;
-char *cgit_query_page = NULL;
-char *cgit_query_head = NULL;
-char *cgit_query_search = NULL;
-char *cgit_query_grep = NULL;
-char *cgit_query_sha1 = NULL;
-char *cgit_query_sha2 = NULL;
-char *cgit_query_path = NULL;
-char *cgit_query_name = NULL;
-int cgit_query_ofs = 0;
-
-int htmlfd = 0;
-
-
-int cgit_get_cmd_index(const char *cmd)
-{
- static char *cmds[] = {"log", "commit", "diff", "tree", "blob",
- "snapshot", "tag", "refs", "patch", NULL};
- int i;
-
- for(i = 0; cmds[i]; i++)
- if (!strcmp(cmd, cmds[i]))
- return i + 1;
- return 0;
-}
+struct cgit_repolist cgit_repolist;
+struct cgit_context ctx;
int chk_zero(int result, char *msg)
{
if (result != 0)
- die("%s: %s", msg, strerror(errno));
+ die_errno("%s", msg);
return result;
}
int chk_positive(int result, char *msg)
{
if (result <= 0)
- die("%s: %s", msg, strerror(errno));
+ die_errno("%s", msg);
return result;
}
int chk_non_negative(int result, char *msg)
{
- if (result < 0)
- die("%s: %s",msg, strerror(errno));
+ if (result < 0)
+ die_errno("%s", msg);
return result;
}
-struct repoinfo *add_repo(const char *url)
+char *cgit_default_repo_desc = "[no description]";
+struct cgit_repo *cgit_add_repo(const char *url)
{
- struct repoinfo *ret;
+ struct cgit_repo *ret;
if (++cgit_repolist.count > cgit_repolist.length) {
if (cgit_repolist.length == 0)
cgit_repolist.length *= 2;
cgit_repolist.repos = xrealloc(cgit_repolist.repos,
cgit_repolist.length *
- sizeof(struct repoinfo));
+ sizeof(struct cgit_repo));
}
ret = &cgit_repolist.repos[cgit_repolist.count-1];
+ memset(ret, 0, sizeof(struct cgit_repo));
ret->url = trim_end(url, '/');
ret->name = ret->url;
ret->path = NULL;
- ret->desc = "[no description]";
+ ret->desc = cgit_default_repo_desc;
+ ret->extra_head_content = NULL;
ret->owner = NULL;
- ret->group = cgit_repo_group;
- ret->defbranch = "master";
- ret->snapshots = cgit_snapshots;
- ret->enable_log_filecount = cgit_enable_log_filecount;
- ret->enable_log_linecount = cgit_enable_log_linecount;
- ret->module_link = cgit_module_link;
- ret->readme = NULL;
+ ret->homepage = NULL;
+ ret->section = ctx.cfg.section;
+ ret->snapshots = ctx.cfg.snapshots;
+ ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
+ ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
+ ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
+ ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
+ ret->enable_subject_links = ctx.cfg.enable_subject_links;
+ ret->enable_html_serving = ctx.cfg.enable_html_serving;
+ ret->max_stats = ctx.cfg.max_stats;
+ ret->branch_sort = ctx.cfg.branch_sort;
+ ret->commit_sort = ctx.cfg.commit_sort;
+ ret->module_link = ctx.cfg.module_link;
+ ret->readme = ctx.cfg.readme;
+ ret->mtime = -1;
+ ret->about_filter = ctx.cfg.about_filter;
+ ret->commit_filter = ctx.cfg.commit_filter;
+ ret->source_filter = ctx.cfg.source_filter;
+ ret->email_filter = ctx.cfg.email_filter;
+ ret->owner_filter = ctx.cfg.owner_filter;
+ ret->clone_url = ctx.cfg.clone_url;
+ ret->submodules.strdup_strings = 1;
+ ret->hide = ret->ignore = 0;
return ret;
}
-struct repoinfo *cgit_get_repoinfo(const char *url)
+struct cgit_repo *cgit_get_repoinfo(const char *url)
{
int i;
- struct repoinfo *repo;
+ struct cgit_repo *repo;
- for (i=0; i<cgit_repolist.count; i++) {
+ for (i = 0; i < cgit_repolist.count; i++) {
repo = &cgit_repolist.repos[i];
+ if (repo->ignore)
+ continue;
if (!strcmp(repo->url, url))
return repo;
}
return NULL;
}
-void cgit_global_config_cb(const char *name, const char *value)
-{
- if (!strcmp(name, "root-title"))
- cgit_root_title = xstrdup(value);
- else if (!strcmp(name, "css"))
- cgit_css = xstrdup(value);
- else if (!strcmp(name, "logo"))
- cgit_logo = xstrdup(value);
- else if (!strcmp(name, "index-header"))
- cgit_index_header = xstrdup(value);
- else if (!strcmp(name, "index-info"))
- cgit_index_info = xstrdup(value);
- else if (!strcmp(name, "logo-link"))
- cgit_logo_link = xstrdup(value);
- else if (!strcmp(name, "module-link"))
- cgit_module_link = xstrdup(value);
- else if (!strcmp(name, "virtual-root")) {
- cgit_virtual_root = trim_end(value, '/');
- if (!cgit_virtual_root && (!strcmp(value, "/")))
- cgit_virtual_root = "";
- } else if (!strcmp(name, "nocache"))
- cgit_nocache = atoi(value);
- else if (!strcmp(name, "snapshots"))
- cgit_snapshots = cgit_parse_snapshots_mask(value);
- else if (!strcmp(name, "enable-index-links"))
- cgit_enable_index_links = atoi(value);
- else if (!strcmp(name, "enable-log-filecount"))
- cgit_enable_log_filecount = atoi(value);
- else if (!strcmp(name, "enable-log-linecount"))
- cgit_enable_log_linecount = atoi(value);
- else if (!strcmp(name, "cache-root"))
- cgit_cache_root = xstrdup(value);
- else if (!strcmp(name, "cache-root-ttl"))
- cgit_cache_root_ttl = atoi(value);
- else if (!strcmp(name, "cache-repo-ttl"))
- cgit_cache_repo_ttl = atoi(value);
- else if (!strcmp(name, "cache-static-ttl"))
- cgit_cache_static_ttl = atoi(value);
- else if (!strcmp(name, "cache-dynamic-ttl"))
- cgit_cache_dynamic_ttl = atoi(value);
- else if (!strcmp(name, "max-message-length"))
- cgit_max_msg_len = atoi(value);
- else if (!strcmp(name, "max-repodesc-length"))
- cgit_max_repodesc_len = atoi(value);
- else if (!strcmp(name, "max-commit-count"))
- cgit_max_commit_count = atoi(value);
- else if (!strcmp(name, "summary-log"))
- cgit_summary_log = atoi(value);
- else if (!strcmp(name, "summary-branches"))
- cgit_summary_branches = atoi(value);
- else if (!strcmp(name, "summary-tags"))
- cgit_summary_tags = atoi(value);
- else if (!strcmp(name, "agefile"))
- cgit_agefile = xstrdup(value);
- else if (!strcmp(name, "renamelimit"))
- cgit_renamelimit = atoi(value);
- else if (!strcmp(name, "robots"))
- cgit_robots = xstrdup(value);
- else if (!strcmp(name, "clone-prefix"))
- cgit_clone_prefix = xstrdup(value);
- else if (!strcmp(name, "repo.group"))
- cgit_repo_group = xstrdup(value);
- else if (!strcmp(name, "repo.url"))
- cgit_repo = add_repo(value);
- else if (!strcmp(name, "repo.name"))
- cgit_repo->name = xstrdup(value);
- else if (cgit_repo && !strcmp(name, "repo.path"))
- cgit_repo->path = trim_end(value, '/');
- else if (cgit_repo && !strcmp(name, "repo.clone-url"))
- cgit_repo->clone_url = xstrdup(value);
- else if (cgit_repo && !strcmp(name, "repo.desc"))
- cgit_repo->desc = xstrdup(value);
- else if (cgit_repo && !strcmp(name, "repo.owner"))
- cgit_repo->owner = xstrdup(value);
- else if (cgit_repo && !strcmp(name, "repo.defbranch"))
- cgit_repo->defbranch = xstrdup(value);
- else if (cgit_repo && !strcmp(name, "repo.snapshots"))
- cgit_repo->snapshots = cgit_snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
- else if (cgit_repo && !strcmp(name, "repo.enable-log-filecount"))
- cgit_repo->enable_log_filecount = cgit_enable_log_filecount * atoi(value);
- else if (cgit_repo && !strcmp(name, "repo.enable-log-linecount"))
- cgit_repo->enable_log_linecount = cgit_enable_log_linecount * atoi(value);
- else if (cgit_repo && !strcmp(name, "repo.module-link"))
- cgit_repo->module_link= xstrdup(value);
- else if (cgit_repo && !strcmp(name, "repo.readme") && value != NULL) {
- if (*value == '/')
- cgit_repo->readme = xstrdup(value);
- else
- cgit_repo->readme = xstrdup(fmt("%s/%s", cgit_repo->path, value));
- } else if (!strcmp(name, "include"))
- cgit_read_config(value, cgit_global_config_cb);
-}
-
-void cgit_querystring_cb(const char *name, const char *value)
-{
- if (!strcmp(name,"r")) {
- cgit_query_repo = xstrdup(value);
- cgit_repo = cgit_get_repoinfo(value);
- } else if (!strcmp(name, "p")) {
- cgit_query_page = xstrdup(value);
- cgit_cmd = cgit_get_cmd_index(value);
- } else if (!strcmp(name, "url")) {
- cgit_parse_url(value);
- } else if (!strcmp(name, "qt")) {
- cgit_query_grep = xstrdup(value);
- } else if (!strcmp(name, "q")) {
- cgit_query_search = xstrdup(value);
- } else if (!strcmp(name, "h")) {
- cgit_query_head = xstrdup(value);
- cgit_query_has_symref = 1;
- } else if (!strcmp(name, "id")) {
- cgit_query_sha1 = xstrdup(value);
- cgit_query_has_sha1 = 1;
- } else if (!strcmp(name, "id2")) {
- cgit_query_sha2 = xstrdup(value);
- cgit_query_has_sha1 = 1;
- } else if (!strcmp(name, "ofs")) {
- cgit_query_ofs = atoi(value);
- } else if (!strcmp(name, "path")) {
- cgit_query_path = trim_end(value, '/');
- } else if (!strcmp(name, "name")) {
- cgit_query_name = xstrdup(value);
- }
-}
-
-void *cgit_free_commitinfo(struct commitinfo *info)
+void cgit_free_commitinfo(struct commitinfo *info)
{
free(info->author);
free(info->author_email);
free(info->msg);
free(info->msg_encoding);
free(info);
- return NULL;
-}
-
-int hextoint(char c)
-{
- if (c >= 'a' && c <= 'f')
- return 10 + c - 'a';
- else if (c >= 'A' && c <= 'F')
- return 10 + c - 'A';
- else if (c >= '0' && c <= '9')
- return c - '0';
- else
- return -1;
}
char *trim_end(const char *str, char c)
{
int len;
- char *s, *t;
if (str == NULL)
return NULL;
- t = (char *)str;
- len = strlen(t);
- while(len > 0 && t[len - 1] == c)
+ len = strlen(str);
+ while (len > 0 && str[len - 1] == c)
len--;
-
if (len == 0)
return NULL;
-
- c = t[len];
- t[len] = '\0';
- s = xstrdup(t);
- t[len] = c;
- return s;
+ return xstrndup(str, len);
}
-char *strlpart(char *txt, int maxlen)
+char *ensure_end(const char *str, char c)
{
+ size_t len = strlen(str);
char *result;
- if (!txt)
- return txt;
+ if (len && str[len - 1] == c)
+ return xstrndup(str, len);
- if (strlen(txt) <= maxlen)
- return txt;
- result = xmalloc(maxlen + 1);
- memcpy(result, txt, maxlen - 3);
- result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
- result[maxlen] = '\0';
+ result = xmalloc(len + 2);
+ memcpy(result, str, len);
+ result[len] = '/';
+ result[len + 1] = '\0';
return result;
}
-char *strrpart(char *txt, int maxlen)
+void strbuf_ensure_end(struct strbuf *sb, char c)
{
- char *result;
-
- if (!txt)
- return txt;
-
- if (strlen(txt) <= maxlen)
- return txt;
- result = xmalloc(maxlen + 1);
- memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
- result[0] = result[1] = result[2] = '.';
- return result;
+ if (!sb->len || sb->buf[sb->len - 1] != c)
+ strbuf_addch(sb, c);
}
void cgit_add_ref(struct reflist *list, struct refinfo *ref)
list->refs[list->count++] = ref;
}
-struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
+static struct refinfo *cgit_mk_refinfo(const char *refname, const struct object_id *oid)
{
struct refinfo *ref;
ref = xmalloc(sizeof (struct refinfo));
ref->refname = xstrdup(refname);
- ref->object = parse_object(sha1);
+ ref->object = parse_object(oid);
switch (ref->object->type) {
case OBJ_TAG:
ref->tag = cgit_parse_tag((struct tag *)ref->object);
return ref;
}
-int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
+void cgit_free_taginfo(struct taginfo *tag)
+{
+ if (tag->tagger)
+ free(tag->tagger);
+ if (tag->tagger_email)
+ free(tag->tagger_email);
+ if (tag->msg)
+ free(tag->msg);
+ free(tag);
+}
+
+static void cgit_free_refinfo(struct refinfo *ref)
+{
+ if (ref->refname)
+ free((char *)ref->refname);
+ switch (ref->object->type) {
+ case OBJ_TAG:
+ cgit_free_taginfo(ref->tag);
+ break;
+ case OBJ_COMMIT:
+ cgit_free_commitinfo(ref->commit);
+ break;
+ }
+ free(ref);
+}
+
+void cgit_free_reflist_inner(struct reflist *list)
+{
+ int i;
+
+ for (i = 0; i < list->count; i++) {
+ cgit_free_refinfo(list->refs[i]);
+ }
+ free(list->refs);
+}
+
+int cgit_refs_cb(const char *refname, const struct object_id *oid, int flags,
void *cb_data)
{
struct reflist *list = (struct reflist *)cb_data;
- struct refinfo *info = cgit_mk_refinfo(refname, sha1);
+ struct refinfo *info = cgit_mk_refinfo(refname, oid);
if (info)
cgit_add_ref(list, info);
}
}
-static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
+static int load_mmfile(mmfile_t *file, const struct object_id *oid)
{
enum object_type type;
- if (is_null_sha1(sha1)) {
+ if (is_null_oid(oid)) {
file->ptr = (char *)"";
file->size = 0;
} else {
- file->ptr = read_sha1_file(sha1, &type,
+ file->ptr = read_object_file(oid, &type,
(unsigned long *)&file->size);
}
return 1;
* ripped from git and modified to use globals instead of
* a special callback-struct.
*/
-char *diffbuf = NULL;
-int buflen = 0;
+static char *diffbuf = NULL;
+static int buflen = 0;
-int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
+static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
{
int i;
return 0;
}
-int cgit_diff_files(const unsigned char *old_sha1,
- const unsigned char *new_sha1,
- linediff_fn fn)
+int cgit_diff_files(const struct object_id *old_oid,
+ const struct object_id *new_oid, unsigned long *old_size,
+ unsigned long *new_size, int *binary, int context,
+ int ignorews, linediff_fn fn)
{
mmfile_t file1, file2;
xpparam_t diff_params;
xdemitconf_t emit_params;
xdemitcb_t emit_cb;
- if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
+ if (!load_mmfile(&file1, old_oid) || !load_mmfile(&file2, new_oid))
return 1;
+ *old_size = file1.size;
+ *new_size = file2.size;
+
+ if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
+ (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
+ *binary = 1;
+ if (file1.size)
+ free(file1.ptr);
+ if (file2.size)
+ free(file2.ptr);
+ return 0;
+ }
+
+ memset(&diff_params, 0, sizeof(diff_params));
+ memset(&emit_params, 0, sizeof(emit_params));
+ memset(&emit_cb, 0, sizeof(emit_cb));
diff_params.flags = XDF_NEED_MINIMAL;
- emit_params.ctxlen = 3;
+ if (ignorews)
+ diff_params.flags |= XDF_IGNORE_WHITESPACE;
+ emit_params.ctxlen = context > 0 ? context : 3;
emit_params.flags = XDL_EMIT_FUNCNAMES;
- emit_params.find_func = NULL;
emit_cb.outf = filediff_cb;
emit_cb.priv = fn;
xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
+ if (file1.size)
+ free(file1.ptr);
+ if (file2.size)
+ free(file2.ptr);
return 0;
}
-void cgit_diff_tree(const unsigned char *old_sha1,
- const unsigned char *new_sha1,
- filepair_fn fn, const char *prefix)
+void cgit_diff_tree(const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ filepair_fn fn, const char *prefix, int ignorews)
{
struct diff_options opt;
- int ret;
- int prefixlen;
+ struct pathspec_item item;
+ memset(&item, 0, sizeof(item));
diff_setup(&opt);
opt.output_format = DIFF_FORMAT_CALLBACK;
opt.detect_rename = 1;
- opt.rename_limit = cgit_renamelimit;
- DIFF_OPT_SET(&opt, RECURSIVE);
+ opt.rename_limit = ctx.cfg.renamelimit;
+ opt.flags.recursive = 1;
+ if (ignorews)
+ DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
opt.format_callback = cgit_diff_tree_cb;
opt.format_callback_data = fn;
if (prefix) {
- opt.nr_paths = 1;
- opt.paths = &prefix;
- prefixlen = strlen(prefix);
- opt.pathlens = &prefixlen;
+ item.match = xstrdup(prefix);
+ item.len = strlen(prefix);
+ opt.pathspec.nr = 1;
+ opt.pathspec.items = &item;
}
diff_setup_done(&opt);
- if (old_sha1 && !is_null_sha1(old_sha1))
- ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
+ if (old_oid && !is_null_oid(old_oid))
+ diff_tree_oid(old_oid, new_oid, "", &opt);
else
- ret = diff_root_tree_sha1(new_sha1, "", &opt);
+ diff_root_tree_oid(new_oid, "", &opt);
diffcore_std(&opt);
diff_flush(&opt);
+
+ free(item.match);
}
-void cgit_diff_commit(struct commit *commit, filepair_fn fn)
+void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
{
- unsigned char *old_sha1 = NULL;
+ const struct object_id *old_oid = NULL;
if (commit->parents)
- old_sha1 = commit->parents->item->object.sha1;
- cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
+ old_oid = &commit->parents->item->object.oid;
+ cgit_diff_tree(old_oid, &commit->object.oid, fn, prefix,
+ ctx.qry.ignorews);
+}
+
+int cgit_parse_snapshots_mask(const char *str)
+{
+ struct string_list tokens = STRING_LIST_INIT_DUP;
+ struct string_list_item *item;
+ const struct cgit_snapshot_format *f;
+ int rv = 0;
+
+ /* favor legacy setting */
+ if (atoi(str))
+ return 1;
+
+ if (strcmp(str, "all") == 0)
+ return INT_MAX;
+
+ string_list_split(&tokens, str, ' ', -1);
+ string_list_remove_empty_items(&tokens, 0);
+
+ for_each_string_list_item(item, &tokens) {
+ for (f = cgit_snapshot_formats; f->suffix; f++) {
+ if (!strcmp(item->string, f->suffix) ||
+ !strcmp(item->string, f->suffix + 1)) {
+ rv |= cgit_snapshot_format_bit(f);
+ break;
+ }
+ }
+ }
+
+ string_list_clear(&tokens, 0);
+ return rv;
+}
+
+typedef struct {
+ char * name;
+ char * value;
+} cgit_env_var;
+
+void cgit_prepare_repo_env(struct cgit_repo * repo)
+{
+ cgit_env_var env_vars[] = {
+ { .name = "CGIT_REPO_URL", .value = repo->url },
+ { .name = "CGIT_REPO_NAME", .value = repo->name },
+ { .name = "CGIT_REPO_PATH", .value = repo->path },
+ { .name = "CGIT_REPO_OWNER", .value = repo->owner },
+ { .name = "CGIT_REPO_DEFBRANCH", .value = repo->defbranch },
+ { .name = "CGIT_REPO_SECTION", .value = repo->section },
+ { .name = "CGIT_REPO_CLONE_URL", .value = repo->clone_url }
+ };
+ int env_var_count = ARRAY_SIZE(env_vars);
+ cgit_env_var *p, *q;
+ static char *warn = "cgit warning: failed to set env: %s=%s\n";
+
+ p = env_vars;
+ q = p + env_var_count;
+ for (; p < q; p++)
+ if (p->value && setenv(p->name, p->value, 1))
+ fprintf(stderr, warn, p->name, p->value);
+}
+
+/* Read the content of the specified file into a newly allocated buffer,
+ * zeroterminate the buffer and return 0 on success, errno otherwise.
+ */
+int readfile(const char *path, char **buf, size_t *size)
+{
+ int fd, e;
+ struct stat st;
+
+ fd = open(path, O_RDONLY);
+ if (fd == -1)
+ return errno;
+ if (fstat(fd, &st)) {
+ e = errno;
+ close(fd);
+ return e;
+ }
+ if (!S_ISREG(st.st_mode)) {
+ close(fd);
+ return EISDIR;
+ }
+ *buf = xmalloc(st.st_size + 1);
+ *size = read_in_full(fd, *buf, st.st_size);
+ e = errno;
+ (*buf)[*size] = '\0';
+ close(fd);
+ return (*size == st.st_size ? 0 : e);
+}
+
+static int is_token_char(char c)
+{
+ return isalnum(c) || c == '_';
+}
+
+/* Replace name with getenv(name), return pointer to zero-terminating char
+ */
+static char *expand_macro(char *name, int maxlength)
+{
+ char *value;
+ size_t len;
+
+ len = 0;
+ value = getenv(name);
+ if (value) {
+ len = strlen(value) + 1;
+ if (len > maxlength)
+ len = maxlength;
+ strlcpy(name, value, len);
+ --len;
+ }
+ return name + len;
+}
+
+#define EXPBUFSIZE (1024 * 8)
+
+/* Replace all tokens prefixed by '$' in the specified text with the
+ * value of the named environment variable.
+ * NB: the return value is a static buffer, i.e. it must be strdup'd
+ * by the caller.
+ */
+char *expand_macros(const char *txt)
+{
+ static char result[EXPBUFSIZE];
+ char *p, *start;
+ int len;
+
+ p = result;
+ start = NULL;
+ while (p < result + EXPBUFSIZE - 1 && txt && *txt) {
+ *p = *txt;
+ if (start) {
+ if (!is_token_char(*txt)) {
+ if (p - start > 0) {
+ *p = '\0';
+ len = result + EXPBUFSIZE - start - 1;
+ p = expand_macro(start, len) - 1;
+ }
+ start = NULL;
+ txt--;
+ }
+ p++;
+ txt++;
+ continue;
+ }
+ if (*txt == '$') {
+ start = p;
+ txt++;
+ continue;
+ }
+ p++;
+ txt++;
+ }
+ *p = '\0';
+ if (start && p - start > 0) {
+ len = result + EXPBUFSIZE - start - 1;
+ p = expand_macro(start, len);
+ *p = '\0';
+ }
+ return result;
+}
+
+char *get_mimetype_for_filename(const char *filename)
+{
+ char *ext, *mimetype, *token, line[1024], *saveptr;
+ FILE *file;
+ struct string_list_item *mime;
+
+ if (!filename)
+ return NULL;
+
+ ext = strrchr(filename, '.');
+ if (!ext)
+ return NULL;
+ ++ext;
+ if (!ext[0])
+ return NULL;
+ mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
+ if (mime)
+ return xstrdup(mime->util);
+
+ if (!ctx.cfg.mimetype_file)
+ return NULL;
+ file = fopen(ctx.cfg.mimetype_file, "r");
+ if (!file)
+ return NULL;
+ while (fgets(line, sizeof(line), file)) {
+ if (!line[0] || line[0] == '#')
+ continue;
+ mimetype = strtok_r(line, " \t\r\n", &saveptr);
+ while ((token = strtok_r(NULL, " \t\r\n", &saveptr))) {
+ if (!strcasecmp(ext, token)) {
+ fclose(file);
+ return xstrdup(mimetype);
+ }
+ }
+ }
+ fclose(file);
+ return NULL;
}
git.ckatri.com / cgit.git / blobdiff