1e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "cache.h" 2e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "../builtin.h" 3e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "exec_cmd.h" 4e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "levenshtein.h" 5e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "help.h" 6e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include <termios.h> 7e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 8e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengvoid add_cmdname(struct cmdnames *cmds, const char *name, size_t len) 9e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 10e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct cmdname *ent = malloc(sizeof(*ent) + len + 1); 11e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 12e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ent->len = len; 13e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng memcpy(ent->name, name, len); 14e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ent->name[len] = 0; 15e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 16e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ALLOC_GROW(cmds->names, cmds->cnt + 1, cmds->alloc); 17e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->names[cmds->cnt++] = ent; 18e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 19e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 20e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void clean_cmdnames(struct cmdnames *cmds) 21e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 22e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int i; 23e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 24e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < cmds->cnt; ++i) 25e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng free(cmds->names[i]); 26e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng free(cmds->names); 27e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->cnt = 0; 28e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->alloc = 0; 29e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 30e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 31e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int cmdname_compare(const void *a_, const void *b_) 32e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 33e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct cmdname *a = *(struct cmdname **)a_; 34e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct cmdname *b = *(struct cmdname **)b_; 35e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return strcmp(a->name, b->name); 36e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 37e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 38e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void uniq(struct cmdnames *cmds) 39e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 40e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int i, j; 41e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 42e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!cmds->cnt) 43e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return; 44e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 45e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = j = 1; i < cmds->cnt; i++) 46e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (strcmp(cmds->names[i]->name, cmds->names[i-1]->name)) 47e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->names[j++] = cmds->names[i]; 48e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 49e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->cnt = j; 50e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 51e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 52e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengvoid exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes) 53e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 54e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng size_t ci, cj, ei; 55e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int cmp; 56e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 57e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ci = cj = ei = 0; 58e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (ci < cmds->cnt && ei < excludes->cnt) { 59e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmp = strcmp(cmds->names[ci]->name, excludes->names[ei]->name); 60e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (cmp < 0) 61e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->names[cj++] = cmds->names[ci++]; 62e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else if (cmp == 0) 63e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ci++, ei++; 64e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else if (cmp > 0) 65e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ei++; 66e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 67e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 68e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (ci < cmds->cnt) 69e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->names[cj++] = cmds->names[ci++]; 70e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 71e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->cnt = cj; 72e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 73e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 74e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void pretty_print_string_list(struct cmdnames *cmds, int longest) 75e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 76e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int cols = 1, rows; 77e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int space = longest + 1; /* min 1 SP between words */ 78e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct winsize win; 79e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int max_cols; 80e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int i, j; 81e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 82e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng get_term_dimensions(&win); 83e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng max_cols = win.ws_col - 1; /* don't print *on* the edge */ 84e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 85e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (space < max_cols) 86e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cols = max_cols / space; 87e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng rows = (cmds->cnt + cols - 1) / cols; 88e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 89e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < rows; i++) { 90e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng printf(" "); 91e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 92e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (j = 0; j < cols; j++) { 93e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int n = j * rows + i; 94e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int size = space; 95e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 96e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (n >= cmds->cnt) 97e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 98e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (j == cols-1 || n + rows >= cmds->cnt) 99e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng size = 1; 100e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng printf("%-*s", size, cmds->names[n]->name); 101e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 102e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng putchar('\n'); 103e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 104e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 105e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 106e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int is_executable(const char *name) 107e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 108e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct stat st; 109e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 110e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (stat(name, &st) || /* stat, not lstat */ 111e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng !S_ISREG(st.st_mode)) 112e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 113e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 114e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return st.st_mode & S_IXUSR; 115e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 116e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 117e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void list_commands_in_dir(struct cmdnames *cmds, 118e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *path, 119e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *prefix) 120e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 121e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int prefix_len; 122e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng DIR *dir = opendir(path); 123e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct dirent *de; 124e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct strbuf buf = STRBUF_INIT; 125e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int len; 126e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 127e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!dir) 128e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return; 129e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!prefix) 130e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng prefix = "perf-"; 131e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng prefix_len = strlen(prefix); 132e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 133e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng strbuf_addf(&buf, "%s/", path); 134e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng len = buf.len; 135e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 136e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while ((de = readdir(dir)) != NULL) { 137e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int entlen; 138e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 139e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (prefixcmp(de->d_name, prefix)) 140e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng continue; 141e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 142e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng strbuf_setlen(&buf, len); 143e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng strbuf_addstr(&buf, de->d_name); 144e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!is_executable(buf.buf)) 145e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng continue; 146e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 147e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng entlen = strlen(de->d_name) - prefix_len; 148e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (has_extension(de->d_name, ".exe")) 149e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng entlen -= 4; 150e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 151e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng add_cmdname(cmds, de->d_name + prefix_len, entlen); 152e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 153e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng closedir(dir); 154e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng strbuf_release(&buf); 155e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 156e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 157e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengvoid load_command_list(const char *prefix, 158e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct cmdnames *main_cmds, 159e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct cmdnames *other_cmds) 160e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 161e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *env_path = getenv("PATH"); 162e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *exec_path = perf_exec_path(); 163e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 164e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (exec_path) { 165e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng list_commands_in_dir(main_cmds, exec_path, prefix); 166e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng qsort(main_cmds->names, main_cmds->cnt, 167e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng sizeof(*main_cmds->names), cmdname_compare); 168e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng uniq(main_cmds); 169e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 170e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 171e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (env_path) { 172e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *paths, *path, *colon; 173e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng path = paths = strdup(env_path); 174e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (1) { 175e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if ((colon = strchr(path, PATH_SEP))) 176e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng *colon = 0; 177e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!exec_path || strcmp(path, exec_path)) 178e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng list_commands_in_dir(other_cmds, path, prefix); 179e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 180e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!colon) 181e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 182e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng path = colon + 1; 183e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 184e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng free(paths); 185e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 186e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng qsort(other_cmds->names, other_cmds->cnt, 187e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng sizeof(*other_cmds->names), cmdname_compare); 188e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng uniq(other_cmds); 189e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 190e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng exclude_cmds(other_cmds, main_cmds); 191e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 192e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 193e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengvoid list_commands(const char *title, struct cmdnames *main_cmds, 194e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct cmdnames *other_cmds) 195e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 196e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int i, longest = 0; 197e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 198e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < main_cmds->cnt; i++) 199e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (longest < main_cmds->names[i]->len) 200e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng longest = main_cmds->names[i]->len; 201e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < other_cmds->cnt; i++) 202e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (longest < other_cmds->names[i]->len) 203e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng longest = other_cmds->names[i]->len; 204e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 205e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (main_cmds->cnt) { 206e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *exec_path = perf_exec_path(); 207e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng printf("available %s in '%s'\n", title, exec_path); 208e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng printf("----------------"); 209e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng mput_char('-', strlen(title) + strlen(exec_path)); 210e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng putchar('\n'); 211e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pretty_print_string_list(main_cmds, longest); 212e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng putchar('\n'); 213e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 214e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 215e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (other_cmds->cnt) { 216e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng printf("%s available from elsewhere on your $PATH\n", title); 217e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng printf("---------------------------------------"); 218e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng mput_char('-', strlen(title)); 219e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng putchar('\n'); 220e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pretty_print_string_list(other_cmds, longest); 221e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng putchar('\n'); 222e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 223e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 224e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 225e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengint is_in_cmdlist(struct cmdnames *c, const char *s) 226e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 227e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int i; 228e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 229e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < c->cnt; i++) 230e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!strcmp(s, c->names[i]->name)) 231e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 1; 232e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 233e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 234e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 235e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int autocorrect; 236e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic struct cmdnames aliases; 237e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 238e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int perf_unknown_cmd_config(const char *var, const char *value, void *cb) 239e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 240e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!strcmp(var, "help.autocorrect")) 241e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng autocorrect = perf_config_int(var,value); 242e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* Also use aliases for command lookup */ 243e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!prefixcmp(var, "alias.")) 244e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng add_cmdname(&aliases, var + 6, strlen(var + 6)); 245e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 246e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return perf_default_config(var, value, cb); 247e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 248e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 249e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int levenshtein_compare(const void *p1, const void *p2) 250e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 251e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const struct cmdname *const *c1 = p1, *const *c2 = p2; 252e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *s1 = (*c1)->name, *s2 = (*c2)->name; 253e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int l1 = (*c1)->len; 254e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int l2 = (*c2)->len; 255e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return l1 != l2 ? l1 - l2 : strcmp(s1, s2); 256e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 257e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 258e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old) 259e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 260e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int i; 261e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 262e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ALLOC_GROW(cmds->names, cmds->cnt + old->cnt, cmds->alloc); 263e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 264e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < old->cnt; i++) 265e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmds->names[cmds->cnt++] = old->names[i]; 266e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng free(old->names); 267e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng old->cnt = 0; 268e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng old->names = NULL; 269e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 270e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 271e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengconst char *help_unknown_cmd(const char *cmd) 272e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 273e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned int i, n = 0, best_similarity = 0; 274e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct cmdnames main_cmds, other_cmds; 275e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 276e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng memset(&main_cmds, 0, sizeof(main_cmds)); 277e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng memset(&other_cmds, 0, sizeof(main_cmds)); 278e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng memset(&aliases, 0, sizeof(aliases)); 279e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 280e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng perf_config(perf_unknown_cmd_config, NULL); 281e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 282e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng load_command_list("perf-", &main_cmds, &other_cmds); 283e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 284e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng add_cmd_list(&main_cmds, &aliases); 285e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng add_cmd_list(&main_cmds, &other_cmds); 286e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng qsort(main_cmds.names, main_cmds.cnt, 287e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng sizeof(main_cmds.names), cmdname_compare); 288e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng uniq(&main_cmds); 289e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 290e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (main_cmds.cnt) { 291e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* This reuses cmdname->len for similarity index */ 292e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < main_cmds.cnt; ++i) 293e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng main_cmds.names[i]->len = 294e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng levenshtein(cmd, main_cmds.names[i]->name, 0, 2, 1, 4); 295e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 296e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng qsort(main_cmds.names, main_cmds.cnt, 297e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng sizeof(*main_cmds.names), levenshtein_compare); 298e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 299e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng best_similarity = main_cmds.names[0]->len; 300e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng n = 1; 301e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (n < main_cmds.cnt && best_similarity == main_cmds.names[n]->len) 302e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ++n; 303e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 304e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 305e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (autocorrect && n == 1) { 306e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *assumed = main_cmds.names[0]->name; 307e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 308e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng main_cmds.names[0] = NULL; 309e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng clean_cmdnames(&main_cmds); 310e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stderr, "WARNING: You called a perf program named '%s', " 311e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "which does not exist.\n" 312e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "Continuing under the assumption that you meant '%s'\n", 313e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cmd, assumed); 314e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (autocorrect > 0) { 315e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stderr, "in %0.1f seconds automatically...\n", 316e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng (float)autocorrect/10.0); 317e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng poll(NULL, 0, autocorrect * 100); 318e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 319e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return assumed; 320e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 321e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 322e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stderr, "perf: '%s' is not a perf-command. See 'perf --help'.\n", cmd); 323e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 324e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (main_cmds.cnt && best_similarity < 6) { 325e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stderr, "\nDid you mean %s?\n", 326e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng n < 2 ? "this": "one of these"); 327e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 328e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < n; i++) 329e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stderr, "\t%s\n", main_cmds.names[i]->name); 330e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 331e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 332e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng exit(1); 333e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 334e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 335e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengint cmd_version(int argc __maybe_unused, const char **argv __maybe_unused, 336e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *prefix __maybe_unused) 337e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 338e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng printf("perf version %s\n", perf_version_string); 339e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 340e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 341