diff options
Diffstat (limited to 'bfs.c')
| -rw-r--r-- | bfs.c | 57 |
1 files changed, 56 insertions, 1 deletions
@@ -212,6 +212,59 @@ static bool eval_nohidden(const char *fpath, const struct BFTW *ftwbuf, const cm } /** + * -type test. + */ +static bool eval_type(const char *fpath, const struct BFTW *ftwbuf, const cmdline *cl, const expression *expr, int *ret) { + return ftwbuf->typeflag == expr->data; +} + +/** + * Parse -type [bcdpfls]. + */ +static expression *parse_type(parser_state *state) { + const char *arg = state->argv[state->i]; + if (!arg) { + fputs("-type needs a value.\n", stderr); + return NULL; + } + + int typeflag = BFTW_UNKNOWN; + + switch (arg[0]) { + case 'b': + typeflag = BFTW_BLK; + break; + case 'c': + typeflag = BFTW_CHR; + break; + case 'd': + typeflag = BFTW_DIR; + break; + case 'p': + typeflag = BFTW_FIFO; + break; + case 'f': + typeflag = BFTW_REG; + break; + case 'l': + typeflag = BFTW_LNK; + break; + case 's': + typeflag = BFTW_SOCK; + break; + } + + if (typeflag == BFTW_UNKNOWN || arg[1] != '\0') { + fprintf(stderr, "Unknown type flag '%s'.\n", arg); + return NULL; + } + + ++state->i; + + return new_expression(NULL, NULL, eval_type, typeflag); +} + +/** * LITERAL : OPTION * | TEST * | ACTION @@ -235,8 +288,10 @@ static expression *parse_literal(parser_state *state) { return new_expression(NULL, NULL, eval_print, 0); } else if (strcmp(arg, "-prune") == 0) { return new_expression(NULL, NULL, eval_prune, 0); + } else if (strcmp(arg, "-type") == 0) { + return parse_type(state); } else { - fprintf(stderr, "Unknown argument '%s'.\n", arg); + fprintf(stderr, "Unknown argument '%s'.\n", arg); return NULL; } } |