| #include "cache.h" |
| #include "config.h" |
| |
| struct config_alias_data { |
| const char *alias; |
| char *v; |
| }; |
| |
| static int config_alias_cb(const char *key, const char *value, void *d) |
| { |
| struct config_alias_data *data = d; |
| const char *p; |
| |
| if (skip_prefix(key, "alias.", &p) && !strcasecmp(p, data->alias)) |
| return git_config_string((const char **)&data->v, key, value); |
| |
| return 0; |
| } |
| |
| char *alias_lookup(const char *alias) |
| { |
| struct config_alias_data data = { alias, NULL }; |
| |
| read_early_config(config_alias_cb, &data); |
| |
| return data.v; |
| } |
| |
| #define SPLIT_CMDLINE_BAD_ENDING 1 |
| #define SPLIT_CMDLINE_UNCLOSED_QUOTE 2 |
| static const char *split_cmdline_errors[] = { |
| "cmdline ends with \\", |
| "unclosed quote" |
| }; |
| |
| int split_cmdline(char *cmdline, const char ***argv) |
| { |
| int src, dst, count = 0, size = 16; |
| char quoted = 0; |
| |
| ALLOC_ARRAY(*argv, size); |
| |
| /* split alias_string */ |
| (*argv)[count++] = cmdline; |
| for (src = dst = 0; cmdline[src];) { |
| char c = cmdline[src]; |
| if (!quoted && isspace(c)) { |
| cmdline[dst++] = 0; |
| while (cmdline[++src] |
| && isspace(cmdline[src])) |
| ; /* skip */ |
| ALLOC_GROW(*argv, count + 1, size); |
| (*argv)[count++] = cmdline + dst; |
| } else if (!quoted && (c == '\'' || c == '"')) { |
| quoted = c; |
| src++; |
| } else if (c == quoted) { |
| quoted = 0; |
| src++; |
| } else { |
| if (c == '\\' && quoted != '\'') { |
| src++; |
| c = cmdline[src]; |
| if (!c) { |
| FREE_AND_NULL(*argv); |
| return -SPLIT_CMDLINE_BAD_ENDING; |
| } |
| } |
| cmdline[dst++] = c; |
| src++; |
| } |
| } |
| |
| cmdline[dst] = 0; |
| |
| if (quoted) { |
| FREE_AND_NULL(*argv); |
| return -SPLIT_CMDLINE_UNCLOSED_QUOTE; |
| } |
| |
| ALLOC_GROW(*argv, count + 1, size); |
| (*argv)[count] = NULL; |
| |
| return count; |
| } |
| |
| const char *split_cmdline_strerror(int split_cmdline_errno) |
| { |
| return split_cmdline_errors[-split_cmdline_errno - 1]; |
| } |