diff options
Diffstat (limited to 'tools/perf/util/help.c')
| -rw-r--r-- | tools/perf/util/help.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c deleted file mode 100644 index 8169480066c6..000000000000 --- a/tools/perf/util/help.c +++ /dev/null @@ -1,268 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <termios.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <dirent.h> -#include "subcmd-util.h" -#include "help.h" -#include "exec_cmd.h" - -void add_cmdname(struct cmdnames *cmds, const char *name, size_t len) -{ - struct cmdname *ent = malloc(sizeof(*ent) + len + 1); - - ent->len = len; - memcpy(ent->name, name, len); - ent->name[len] = 0; - - ALLOC_GROW(cmds->names, cmds->cnt + 1, cmds->alloc); - cmds->names[cmds->cnt++] = ent; -} - -void clean_cmdnames(struct cmdnames *cmds) -{ - unsigned int i; - - for (i = 0; i < cmds->cnt; ++i) - zfree(&cmds->names[i]); - zfree(&cmds->names); - cmds->cnt = 0; - cmds->alloc = 0; -} - -int cmdname_compare(const void *a_, const void *b_) -{ - struct cmdname *a = *(struct cmdname **)a_; - struct cmdname *b = *(struct cmdname **)b_; - return strcmp(a->name, b->name); -} - -void uniq(struct cmdnames *cmds) -{ - unsigned int i, j; - - if (!cmds->cnt) - return; - - for (i = j = 1; i < cmds->cnt; i++) - if (strcmp(cmds->names[i]->name, cmds->names[i-1]->name)) - cmds->names[j++] = cmds->names[i]; - - cmds->cnt = j; -} - -void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes) -{ - size_t ci, cj, ei; - int cmp; - - ci = cj = ei = 0; - while (ci < cmds->cnt && ei < excludes->cnt) { - cmp = strcmp(cmds->names[ci]->name, excludes->names[ei]->name); - if (cmp < 0) - cmds->names[cj++] = cmds->names[ci++]; - else if (cmp == 0) - ci++, ei++; - else if (cmp > 0) - ei++; - } - - while (ci < cmds->cnt) - cmds->names[cj++] = cmds->names[ci++]; - - cmds->cnt = cj; -} - -static void get_term_dimensions(struct winsize *ws) -{ - char *s = getenv("LINES"); - - if (s != NULL) { - ws->ws_row = atoi(s); - s = getenv("COLUMNS"); - if (s != NULL) { - ws->ws_col = atoi(s); - if (ws->ws_row && ws->ws_col) - return; - } - } -#ifdef TIOCGWINSZ - if (ioctl(1, TIOCGWINSZ, ws) == 0 && - ws->ws_row && ws->ws_col) - return; -#endif - ws->ws_row = 25; - ws->ws_col = 80; -} - -static void pretty_print_string_list(struct cmdnames *cmds, int longest) -{ - int cols = 1, rows; - int space = longest + 1; /* min 1 SP between words */ - struct winsize win; - int max_cols; - int i, j; - - get_term_dimensions(&win); - max_cols = win.ws_col - 1; /* don't print *on* the edge */ - - if (space < max_cols) - cols = max_cols / space; - rows = (cmds->cnt + cols - 1) / cols; - - for (i = 0; i < rows; i++) { - printf(" "); - - for (j = 0; j < cols; j++) { - unsigned int n = j * rows + i; - unsigned int size = space; - - if (n >= cmds->cnt) - break; - if (j == cols-1 || n + rows >= cmds->cnt) - size = 1; - printf("%-*s", size, cmds->names[n]->name); - } - putchar('\n'); - } -} - -static int is_executable(const char *name) -{ - struct stat st; - - if (stat(name, &st) || /* stat, not lstat */ - !S_ISREG(st.st_mode)) - return 0; - - return st.st_mode & S_IXUSR; -} - -static int has_extension(const char *filename, const char *ext) -{ - size_t len = strlen(filename); - size_t extlen = strlen(ext); - - return len > extlen && !memcmp(filename + len - extlen, ext, extlen); -} - -static void list_commands_in_dir(struct cmdnames *cmds, - const char *path, - const char *prefix) -{ - int prefix_len; - DIR *dir = opendir(path); - struct dirent *de; - char *buf = NULL; - - if (!dir) - return; - if (!prefix) - prefix = "perf-"; - prefix_len = strlen(prefix); - - astrcatf(&buf, "%s/", path); - - while ((de = readdir(dir)) != NULL) { - int entlen; - - if (prefixcmp(de->d_name, prefix)) - continue; - - astrcat(&buf, de->d_name); - if (!is_executable(buf)) - continue; - - entlen = strlen(de->d_name) - prefix_len; - if (has_extension(de->d_name, ".exe")) - entlen -= 4; - - add_cmdname(cmds, de->d_name + prefix_len, entlen); - } - closedir(dir); - free(buf); -} - -void load_command_list(const char *prefix, - struct cmdnames *main_cmds, - struct cmdnames *other_cmds) -{ - const char *env_path = getenv("PATH"); - char *exec_path = get_argv_exec_path(); - - if (exec_path) { - list_commands_in_dir(main_cmds, exec_path, prefix); - qsort(main_cmds->names, main_cmds->cnt, - sizeof(*main_cmds->names), cmdname_compare); - uniq(main_cmds); - } - - if (env_path) { - char *paths, *path, *colon; - path = paths = strdup(env_path); - while (1) { - if ((colon = strchr(path, ':'))) - *colon = 0; - if (!exec_path || strcmp(path, exec_path)) - list_commands_in_dir(other_cmds, path, prefix); - - if (!colon) - break; - path = colon + 1; - } - free(paths); - - qsort(other_cmds->names, other_cmds->cnt, - sizeof(*other_cmds->names), cmdname_compare); - uniq(other_cmds); - } - free(exec_path); - exclude_cmds(other_cmds, main_cmds); -} - -void list_commands(const char *title, struct cmdnames *main_cmds, - struct cmdnames *other_cmds) -{ - unsigned int i, longest = 0; - - for (i = 0; i < main_cmds->cnt; i++) - if (longest < main_cmds->names[i]->len) - longest = main_cmds->names[i]->len; - for (i = 0; i < other_cmds->cnt; i++) - if (longest < other_cmds->names[i]->len) - longest = other_cmds->names[i]->len; - - if (main_cmds->cnt) { - char *exec_path = get_argv_exec_path(); - printf("available %s in '%s'\n", title, exec_path); - printf("----------------"); - mput_char('-', strlen(title) + strlen(exec_path)); - putchar('\n'); - pretty_print_string_list(main_cmds, longest); - putchar('\n'); - free(exec_path); - } - - if (other_cmds->cnt) { - printf("%s available from elsewhere on your $PATH\n", title); - printf("---------------------------------------"); - mput_char('-', strlen(title)); - putchar('\n'); - pretty_print_string_list(other_cmds, longest); - putchar('\n'); - } -} - -int is_in_cmdlist(struct cmdnames *c, const char *s) -{ - unsigned int i; - - for (i = 0; i < c->cnt; i++) - if (!strcmp(s, c->names[i]->name)) - return 1; - return 0; -} |