Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1 | #include "cache.h" |
| 2 | |
| 3 | static const char *alias_key; |
| 4 | static char *alias_val; |
| 5 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame^] | 6 | static int alias_lookup_cb(const char *k, const char *v, void *cb __used) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 7 | { |
| 8 | if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) { |
| 9 | if (!v) |
| 10 | return config_error_nonbool(k); |
| 11 | alias_val = strdup(v); |
| 12 | return 0; |
| 13 | } |
| 14 | return 0; |
| 15 | } |
| 16 | |
| 17 | char *alias_lookup(const char *alias) |
| 18 | { |
| 19 | alias_key = alias; |
| 20 | alias_val = NULL; |
| 21 | perf_config(alias_lookup_cb, NULL); |
| 22 | return alias_val; |
| 23 | } |
| 24 | |
| 25 | int split_cmdline(char *cmdline, const char ***argv) |
| 26 | { |
| 27 | int src, dst, count = 0, size = 16; |
| 28 | char quoted = 0; |
| 29 | |
| 30 | *argv = malloc(sizeof(char*) * size); |
| 31 | |
| 32 | /* split alias_string */ |
| 33 | (*argv)[count++] = cmdline; |
| 34 | for (src = dst = 0; cmdline[src];) { |
| 35 | char c = cmdline[src]; |
| 36 | if (!quoted && isspace(c)) { |
| 37 | cmdline[dst++] = 0; |
| 38 | while (cmdline[++src] |
| 39 | && isspace(cmdline[src])) |
| 40 | ; /* skip */ |
| 41 | if (count >= size) { |
| 42 | size += 16; |
| 43 | *argv = realloc(*argv, sizeof(char*) * size); |
| 44 | } |
| 45 | (*argv)[count++] = cmdline + dst; |
| 46 | } else if (!quoted && (c == '\'' || c == '"')) { |
| 47 | quoted = c; |
| 48 | src++; |
| 49 | } else if (c == quoted) { |
| 50 | quoted = 0; |
| 51 | src++; |
| 52 | } else { |
| 53 | if (c == '\\' && quoted != '\'') { |
| 54 | src++; |
| 55 | c = cmdline[src]; |
| 56 | if (!c) { |
| 57 | free(*argv); |
| 58 | *argv = NULL; |
| 59 | return error("cmdline ends with \\"); |
| 60 | } |
| 61 | } |
| 62 | cmdline[dst++] = c; |
| 63 | src++; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | cmdline[dst] = 0; |
| 68 | |
| 69 | if (quoted) { |
| 70 | free(*argv); |
| 71 | *argv = NULL; |
| 72 | return error("unclosed quote"); |
| 73 | } |
| 74 | |
| 75 | return count; |
| 76 | } |
| 77 | |