diff options
Diffstat (limited to 'parse.c')
-rw-r--r-- | parse.c | 109 |
1 files changed, 45 insertions, 64 deletions
@@ -22,6 +22,7 @@ #include "expr.h" #include "mtab.h" #include "printf.h" +#include "stat.h" #include "typo.h" #include "util.h" #include <ctype.h> @@ -389,14 +390,14 @@ static int expr_open(struct parser_state *state, struct expr *expr, const char * goto out; } - struct stat sb; - if (fstat(fileno(cfile->file), &sb) != 0) { + struct bfs_stat sb; + if (bfs_fstat(fileno(cfile->file), &sb) != 0) { cfprintf(cmdline->cerr, "%{er}error: '%s': %m%{rs}\n", path); goto out_close; } for (struct open_file *ofile = cmdline->open_files; ofile; ofile = ofile->next) { - if (ofile->dev == sb.st_dev && ofile->ino == sb.st_ino) { + if (ofile->dev == sb.dev && ofile->ino == sb.ino) { expr->cfile = ofile->cfile; ret = 0; goto out_close; @@ -410,8 +411,8 @@ static int expr_open(struct parser_state *state, struct expr *expr, const char * ofile->cfile = cfile; ofile->path = path; - ofile->dev = sb.st_dev; - ofile->ino = sb.st_ino; + ofile->dev = sb.dev; + ofile->ino = sb.ino; ofile->next = cmdline->open_files; cmdline->open_files = ofile; ++cmdline->nopen_files; @@ -428,15 +429,15 @@ out: } /** - * Invoke stat() on an argument. + * Invoke bfs_stat() on an argument. */ -static int stat_arg(const struct parser_state *state, struct expr *expr, struct stat *sb) { +static int stat_arg(const struct parser_state *state, struct expr *expr, struct bfs_stat *sb) { const struct cmdline *cmdline = state->cmdline; bool follow = cmdline->flags & (BFTW_COMFOLLOW | BFTW_LOGICAL); - int flags = follow ? 0 : AT_SYMLINK_NOFOLLOW; + int at_flags = follow ? 0 : AT_SYMLINK_NOFOLLOW; - int ret = xfstatat(AT_FDCWD, expr->sdata, sb, flags); + int ret = bfs_stat(AT_FDCWD, expr->sdata, at_flags, BFS_STAT_BROKEN_OK, sb); if (ret != 0) { cfprintf(cmdline->cerr, "%{er}error: '%s': %m%{rs}\n", expr->sdata); } @@ -911,21 +912,14 @@ static struct expr *parse_newer(struct parser_state *state, int field, int arg2) return NULL; } -#if !BFS_HAVE_ST_BIRTHTIM - if (field == BTIME) { - cfprintf(state->cmdline->cerr, "%{er}error: %s: File birth times are not supported on this platform.%{rs}\n", expr->argv[0]); - goto fail; - } -#endif - - struct stat sb; + struct bfs_stat sb; if (stat_arg(state, expr, &sb) != 0) { goto fail; } expr->cost = STAT_COST; - expr->reftime = sb.st_mtim; - expr->time_field = field; + expr->reftime = sb.mtime; + expr->stat_field = field; return expr; fail: @@ -942,17 +936,9 @@ static struct expr *parse_time(struct parser_state *state, int field, int unit) return NULL; } -#if !BFS_HAVE_ST_BIRTHTIM - if (field == BTIME) { - cfprintf(state->cmdline->cerr, "%{er}error: %s: File birth times are not supported on this platform.%{rs}\n", expr->argv[0]); - free_expr(expr); - return NULL; - } -#endif - expr->cost = STAT_COST; expr->reftime = state->now; - expr->time_field = field; + expr->stat_field = field; expr->time_unit = unit; return expr; } @@ -1496,23 +1482,17 @@ static struct expr *parse_newerxy(struct parser_state *state, int arg1, int arg2 switch (arg[6]) { case 'a': - expr->time_field = ATIME; + expr->stat_field = BFS_STAT_ATIME; break; case 'c': - expr->time_field = CTIME; + expr->stat_field = BFS_STAT_CTIME; break; case 'm': - expr->time_field = MTIME; + expr->stat_field = BFS_STAT_MTIME; break; - case 'B': -#if BFS_HAVE_ST_BIRTHTIM - expr->time_field = BTIME; + expr->stat_field = BFS_STAT_BTIME; break; -#else - cfprintf(cerr, "%{er}error: %s: File birth times ('B') are not supported on this platform.%{rs}\n", arg); - goto fail; -#endif default: cfprintf(cerr, "%{er}error: %s: For -newerXY, X should be 'a', 'c', 'm', or 'B'.%{rs}\n", arg); @@ -1523,29 +1503,30 @@ static struct expr *parse_newerxy(struct parser_state *state, int arg1, int arg2 cfprintf(cerr, "%{er}error: %s: Explicit reference times ('t') are not supported.%{rs}\n", arg); goto fail; } else { - struct stat sb; + struct bfs_stat sb; if (stat_arg(state, expr, &sb) != 0) { goto fail; } switch (arg[7]) { case 'a': - expr->reftime = sb.st_atim; + expr->reftime = sb.atime; break; case 'c': - expr->reftime = sb.st_ctim; + expr->reftime = sb.ctime; break; case 'm': - expr->reftime = sb.st_mtim; + expr->reftime = sb.mtime; break; case 'B': -#if BFS_HAVE_ST_BIRTHTIM - expr->reftime = sb.st_birthtim; -#else - cfprintf(cerr, "%{er}error: %s: File birth times ('B') are not supported on this platform.%{rs}\n", arg); - goto fail; -#endif + if (sb.mask & BFS_STAT_BTIME) { + expr->reftime = sb.btime; + } else { + cfprintf(cerr, "%{er}error: '%s': Couldn't get file birth time.%{rs}\n", expr->sdata); + goto fail; + } + break; default: cfprintf(cerr, "%{er}error: %s: For -newerXY, Y should be 'a', 'c', 'm', 'B', or 't'.%{rs}\n", arg); @@ -2033,14 +2014,14 @@ static struct expr *parse_samefile(struct parser_state *state, int arg1, int arg return NULL; } - struct stat sb; + struct bfs_stat sb; if (stat_arg(state, expr, &sb) != 0) { free_expr(expr); return NULL; } - expr->dev = sb.st_dev; - expr->ino = sb.st_ino; + expr->dev = sb.dev; + expr->ino = sb.ino; expr->cost = STAT_COST; expr->probability = 0.01; @@ -2502,9 +2483,9 @@ struct table_entry { * The parse table for literals. */ static const struct table_entry parse_table[] = { - {"-Bmin", false, parse_time, BTIME, MINUTES}, - {"-Bnewer", false, parse_newer, BTIME}, - {"-Btime", false, parse_time, BTIME, DAYS}, + {"-Bmin", false, parse_time, BFS_STAT_BTIME, MINUTES}, + {"-Bnewer", false, parse_newer, BFS_STAT_BTIME}, + {"-Btime", false, parse_time, BFS_STAT_BTIME, DAYS}, {"-D", false, parse_debug}, {"-E", false, parse_regex_extended}, {"-O", true, parse_optlevel}, @@ -2513,13 +2494,13 @@ static const struct table_entry parse_table[] = { {"-L", false, parse_follow, BFTW_LOGICAL | BFTW_DETECT_CYCLES, false}, {"-X", false, parse_xargs_safe}, {"-a"}, - {"-amin", false, parse_time, ATIME, MINUTES}, + {"-amin", false, parse_time, BFS_STAT_ATIME, MINUTES}, {"-and"}, - {"-anewer", false, parse_newer, ATIME}, - {"-atime", false, parse_time, ATIME, DAYS}, - {"-cmin", false, parse_time, CTIME, MINUTES}, - {"-cnewer", false, parse_newer, CTIME}, - {"-ctime", false, parse_time, CTIME, DAYS}, + {"-anewer", false, parse_newer, BFS_STAT_ATIME}, + {"-atime", false, parse_time, BFS_STAT_ATIME, DAYS}, + {"-cmin", false, parse_time, BFS_STAT_CTIME, MINUTES}, + {"-cnewer", false, parse_newer, BFS_STAT_CTIME}, + {"-ctime", false, parse_time, BFS_STAT_CTIME, DAYS}, {"-color", false, parse_color, true}, {"-d", false, parse_depth}, {"-daystart", false, parse_daystart}, @@ -2554,12 +2535,12 @@ static const struct table_entry parse_table[] = { {"-ls", false, parse_ls}, {"-maxdepth", false, parse_depth_limit, false}, {"-mindepth", false, parse_depth_limit, true}, - {"-mmin", false, parse_time, MTIME, MINUTES}, - {"-mnewer", false, parse_newer, MTIME}, + {"-mmin", false, parse_time, BFS_STAT_MTIME, MINUTES}, + {"-mnewer", false, parse_newer, BFS_STAT_MTIME}, {"-mount", false, parse_mount}, - {"-mtime", false, parse_time, MTIME, DAYS}, + {"-mtime", false, parse_time, BFS_STAT_MTIME, DAYS}, {"-name", false, parse_name, false}, - {"-newer", false, parse_newer, MTIME}, + {"-newer", false, parse_newer, BFS_STAT_MTIME}, {"-newer", true, parse_newerxy}, {"-nocolor", false, parse_color, false}, {"-nogroup", false, parse_nogroup}, |