diff options
Diffstat (limited to 'src/eval.c')
-rw-r--r-- | src/eval.c | 87 |
1 files changed, 53 insertions, 34 deletions
@@ -5,12 +5,12 @@ * Implementation of all the primary expressions. */ +#include "prelude.h" #include "eval.h" #include "bar.h" #include "bfstd.h" #include "bftw.h" #include "color.h" -#include "config.h" #include "ctx.h" #include "diag.h" #include "dir.h" @@ -145,6 +145,20 @@ bool bfs_expr_cmp(const struct bfs_expr *expr, long long n) { return false; } +/** Common code for fnmatch() tests. */ +static bool eval_fnmatch(const struct bfs_expr *expr, const char *str) { + if (expr->literal) { +#ifdef FNM_CASEFOLD + if (expr->fnm_flags & FNM_CASEFOLD) { + return strcasecmp(expr->pattern, str) == 0; + } +#endif + return strcmp(expr->pattern, str) == 0; + } else { + return fnmatch(expr->pattern, str, expr->fnm_flags) == 0; + } +} + /** * -true test. */ @@ -194,6 +208,21 @@ bool eval_capable(const struct bfs_expr *expr, struct bfs_eval *state) { } /** + * -context test. + */ +bool eval_context(const struct bfs_expr *expr, struct bfs_eval *state) { + char *con = bfs_getfilecon(state->ftwbuf); + if (!con) { + eval_report_error(state); + return false; + } + + bool ret = eval_fnmatch(expr, con); + bfs_freecon(con); + return ret; +} + +/** * Get the given timespec field out of a stat buffer. */ static const struct timespec *eval_stat_time(const struct bfs_stat *statbuf, enum bfs_stat_field field, struct bfs_eval *state) { @@ -416,38 +445,42 @@ bool eval_depth(const struct bfs_expr *expr, struct bfs_eval *state) { * -empty test. */ bool eval_empty(const struct bfs_expr *expr, struct bfs_eval *state) { - bool ret = false; const struct BFTW *ftwbuf = state->ftwbuf; + const struct bfs_stat *statbuf; + struct bfs_dir *dir; - if (ftwbuf->type == BFS_DIR) { - struct bfs_dir *dir = bfs_allocdir(); + switch (ftwbuf->type) { + case BFS_REG: + statbuf = eval_stat(state); + return statbuf && statbuf->size == 0; + + case BFS_DIR: + dir = bfs_allocdir(); if (!dir) { - eval_report_error(state); - return ret; + goto error; } if (bfs_opendir(dir, ftwbuf->at_fd, ftwbuf->at_path, 0) != 0) { - eval_report_error(state); - return ret; + goto error; } int did_read = bfs_readdir(dir, NULL); + bfs_closedir(dir); + if (did_read < 0) { - eval_report_error(state); - } else { - ret = !did_read; + goto error; } - bfs_closedir(dir); free(dir); - } else if (ftwbuf->type == BFS_REG) { - const struct bfs_stat *statbuf = eval_stat(state); - if (statbuf) { - ret = statbuf->size == 0; - } - } + return did_read == 0; + error: + eval_report_error(state); + free(dir); + return false; - return ret; + default: + return false; + } } /** @@ -546,20 +579,6 @@ bool eval_links(const struct bfs_expr *expr, struct bfs_eval *state) { return bfs_expr_cmp(expr, statbuf->nlink); } -/** Common code for fnmatch() tests. */ -static bool eval_fnmatch(const struct bfs_expr *expr, const char *str) { - if (expr->literal) { -#ifdef FNM_CASEFOLD - if (expr->fnm_flags & FNM_CASEFOLD) { - return strcasecmp(expr->pattern, str) == 0; - } -#endif - return strcmp(expr->pattern, str) == 0; - } else { - return fnmatch(expr->pattern, str, expr->fnm_flags) == 0; - } -} - /** * -i?lname test. */ @@ -1251,7 +1270,7 @@ static void debug_stat(const struct bfs_ctx *ctx, const struct BFTW *ftwbuf, enu bfs_debug_prefix(ctx, DEBUG_STAT); fprintf(stderr, "bfs_stat("); - if (ftwbuf->at_fd == AT_FDCWD) { + if (ftwbuf->at_fd == (int)AT_FDCWD) { fprintf(stderr, "AT_FDCWD"); } else { size_t baselen = strlen(ftwbuf->path) - strlen(ftwbuf->at_path); |