From e8b42e513fa97af5c9978eb95ea97712f0ea5bbb Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Fri, 28 Jun 2019 20:34:33 -0400 Subject: Merge everything into one file --- printf.c | 862 --------------------------------------------------------------- 1 file changed, 862 deletions(-) delete mode 100644 printf.c (limited to 'printf.c') diff --git a/printf.c b/printf.c deleted file mode 100644 index 80f54c9..0000000 --- a/printf.c +++ /dev/null @@ -1,862 +0,0 @@ -/**************************************************************************** - * bfs * - * Copyright (C) 2017-2019 Tavian Barnes * - * * - * Permission to use, copy, modify, and/or distribute this software for any * - * purpose with or without fee is hereby granted. * - * * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * - ****************************************************************************/ - -#include "printf.h" -#include "cmdline.h" -#include "color.h" -#include "diag.h" -#include "dstring.h" -#include "expr.h" -#include "mtab.h" -#include "stat.h" -#include "util.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include - -typedef int bfs_printf_fn(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf); - -struct bfs_printf { - /** The printing function to invoke. */ - bfs_printf_fn *fn; - /** String data associated with this directive. */ - char *str; - /** The stat field to print. */ - enum bfs_stat_field stat_field; - /** Character data associated with this directive. */ - char c; - /** The current mount table. */ - const struct bfs_mtab *mtab; - /** The next printf directive in the chain. */ - struct bfs_printf *next; -}; - -/** Print some text as-is. */ -static int bfs_printf_literal(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - size_t len = dstrlen(directive->str); - if (fwrite(directive->str, 1, len, file) == len) { - return 0; - } else { - return -1; - } -} - -/** \c: flush */ -static int bfs_printf_flush(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - return fflush(file); -} - -/** - * Print a value to a temporary buffer before formatting it. - */ -#define BFS_PRINTF_BUF(buf, format, ...) \ - char buf[256]; \ - int ret = snprintf(buf, sizeof(buf), format, __VA_ARGS__); \ - assert(ret >= 0 && ret < sizeof(buf)); \ - (void)ret - -/** %a, %c, %t: ctime() */ -static int bfs_printf_ctime(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - // Not using ctime() itself because GNU find adds nanoseconds - static const char *days[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; - static const char *months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; - - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - const struct timespec *ts = bfs_stat_time(statbuf, directive->stat_field); - if (!ts) { - return -1; - } - - struct tm tm; - if (xlocaltime(&ts->tv_sec, &tm) != 0) { - return -1; - } - - BFS_PRINTF_BUF(buf, "%s %s %2d %.2d:%.2d:%.2d.%09ld0 %4d", - days[tm.tm_wday], - months[tm.tm_mon], - tm.tm_mday, - tm.tm_hour, - tm.tm_min, - tm.tm_sec, - (long)ts->tv_nsec, - 1900 + tm.tm_year); - - return fprintf(file, directive->str, buf); -} - -/** %A, %B/%W, %C, %T: strftime() */ -static int bfs_printf_strftime(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - const struct timespec *ts = bfs_stat_time(statbuf, directive->stat_field); - if (!ts) { - return -1; - } - - struct tm tm; - if (xlocaltime(&ts->tv_sec, &tm) != 0) { - return -1; - } - - int ret; - char buf[256]; - char format[] = "% "; - switch (directive->c) { - // Non-POSIX strftime() features - case '@': - ret = snprintf(buf, sizeof(buf), "%lld.%09ld0", (long long)ts->tv_sec, (long)ts->tv_nsec); - break; - case '+': - ret = snprintf(buf, sizeof(buf), "%4d-%.2d-%.2d+%.2d:%.2d:%.2d.%09ld0", - 1900 + tm.tm_year, - tm.tm_mon + 1, - tm.tm_mday, - tm.tm_hour, - tm.tm_min, - tm.tm_sec, - (long)ts->tv_nsec); - break; - case 'k': - ret = snprintf(buf, sizeof(buf), "%2d", tm.tm_hour); - break; - case 'l': - ret = snprintf(buf, sizeof(buf), "%2d", (tm.tm_hour + 11)%12 + 1); - break; - case 's': - ret = snprintf(buf, sizeof(buf), "%lld", (long long)ts->tv_sec); - break; - case 'S': - ret = snprintf(buf, sizeof(buf), "%.2d.%09ld0", tm.tm_sec, (long)ts->tv_nsec); - break; - case 'T': - ret = snprintf(buf, sizeof(buf), "%.2d:%.2d:%.2d.%09ld0", - tm.tm_hour, - tm.tm_min, - tm.tm_sec, - (long)ts->tv_nsec); - break; - - // POSIX strftime() features - default: - format[1] = directive->c; - ret = strftime(buf, sizeof(buf), format, &tm); - break; - } - - assert(ret >= 0 && ret < sizeof(buf)); - (void)ret; - - return fprintf(file, directive->str, buf); -} - -/** %b: blocks */ -static int bfs_printf_b(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - uintmax_t blocks = ((uintmax_t)statbuf->blocks*BFS_STAT_BLKSIZE + 511)/512; - BFS_PRINTF_BUF(buf, "%ju", blocks); - return fprintf(file, directive->str, buf); -} - -/** %d: depth */ -static int bfs_printf_d(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - return fprintf(file, directive->str, (intmax_t)ftwbuf->depth); -} - -/** %D: device */ -static int bfs_printf_D(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - BFS_PRINTF_BUF(buf, "%ju", (uintmax_t)statbuf->dev); - return fprintf(file, directive->str, buf); -} - -/** %f: file name */ -static int bfs_printf_f(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - return fprintf(file, directive->str, ftwbuf->path + ftwbuf->nameoff); -} - -/** %F: file system type */ -static int bfs_printf_F(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - const char *type = bfs_fstype(directive->mtab, statbuf); - return fprintf(file, directive->str, type); -} - -/** %G: gid */ -static int bfs_printf_G(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - BFS_PRINTF_BUF(buf, "%ju", (uintmax_t)statbuf->gid); - return fprintf(file, directive->str, buf); -} - -/** %g: group name */ -static int bfs_printf_g(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - struct group *grp = getgrgid(statbuf->gid); - if (!grp) { - return bfs_printf_G(file, directive, ftwbuf); - } - - return fprintf(file, directive->str, grp->gr_name); -} - -/** %h: leading directories */ -static int bfs_printf_h(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - char *copy = NULL; - const char *buf; - - if (ftwbuf->nameoff > 0) { - size_t len = ftwbuf->nameoff; - if (len > 1) { - --len; - } - - buf = copy = strndup(ftwbuf->path, len); - } else if (ftwbuf->path[0] == '/') { - buf = "/"; - } else { - buf = "."; - } - - if (!buf) { - return -1; - } - - int ret = fprintf(file, directive->str, buf); - free(copy); - return ret; -} - -/** %H: current root */ -static int bfs_printf_H(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - return fprintf(file, directive->str, ftwbuf->root); -} - -/** %i: inode */ -static int bfs_printf_i(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - BFS_PRINTF_BUF(buf, "%ju", (uintmax_t)statbuf->ino); - return fprintf(file, directive->str, buf); -} - -/** %k: 1K blocks */ -static int bfs_printf_k(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - uintmax_t blocks = ((uintmax_t)statbuf->blocks*BFS_STAT_BLKSIZE + 1023)/1024; - BFS_PRINTF_BUF(buf, "%ju", blocks); - return fprintf(file, directive->str, buf); -} - -/** %l: link target */ -static int bfs_printf_l(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - if (ftwbuf->typeflag != BFTW_LNK) { - return 0; - } - - char *target = xreadlinkat(ftwbuf->at_fd, ftwbuf->at_path, 0); - if (!target) { - return -1; - } - - int ret = fprintf(file, directive->str, target); - free(target); - return ret; -} - -/** %m: mode */ -static int bfs_printf_m(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - return fprintf(file, directive->str, (unsigned int)(statbuf->mode & 07777)); -} - -/** %M: symbolic mode */ -static int bfs_printf_M(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - char buf[11]; - format_mode(statbuf->mode, buf); - return fprintf(file, directive->str, buf); -} - -/** %n: link count */ -static int bfs_printf_n(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - BFS_PRINTF_BUF(buf, "%ju", (uintmax_t)statbuf->nlink); - return fprintf(file, directive->str, buf); -} - -/** %p: full path */ -static int bfs_printf_p(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - return fprintf(file, directive->str, ftwbuf->path); -} - -/** %P: path after root */ -static int bfs_printf_P(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const char *path = ftwbuf->path + strlen(ftwbuf->root); - if (path[0] == '/') { - ++path; - } - return fprintf(file, directive->str, path); -} - -/** %s: size */ -static int bfs_printf_s(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - BFS_PRINTF_BUF(buf, "%ju", (uintmax_t)statbuf->size); - return fprintf(file, directive->str, buf); -} - -/** %S: sparseness */ -static int bfs_printf_S(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - double sparsity; - if (statbuf->size == 0 && statbuf->blocks == 0) { - sparsity = 1.0; - } else { - sparsity = (double)BFS_STAT_BLKSIZE*statbuf->blocks/statbuf->size; - } - return fprintf(file, directive->str, sparsity); -} - -/** %U: uid */ -static int bfs_printf_U(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - BFS_PRINTF_BUF(buf, "%ju", (uintmax_t)statbuf->uid); - return fprintf(file, directive->str, buf); -} - -/** %u: user name */ -static int bfs_printf_u(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, ftwbuf->stat_flags); - if (!statbuf) { - return -1; - } - - struct passwd *pwd = getpwuid(statbuf->uid); - if (!pwd) { - return bfs_printf_U(file, directive, ftwbuf); - } - - return fprintf(file, directive->str, pwd->pw_name); -} - -static const char *bfs_printf_type(enum bftw_typeflag typeflag) { - switch (typeflag) { - case BFTW_BLK: - return "b"; - case BFTW_CHR: - return "c"; - case BFTW_DIR: - return "d"; - case BFTW_DOOR: - return "D"; - case BFTW_FIFO: - return "p"; - case BFTW_LNK: - return "l"; - case BFTW_REG: - return "f"; - case BFTW_SOCK: - return "s"; - default: - return "U"; - } -} - -/** %y: type */ -static int bfs_printf_y(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - const char *type = bfs_printf_type(ftwbuf->typeflag); - return fprintf(file, directive->str, type); -} - -/** %Y: target type */ -static int bfs_printf_Y(FILE *file, const struct bfs_printf *directive, const struct BFTW *ftwbuf) { - int error = 0; - - if (ftwbuf->typeflag != BFTW_LNK) { - return bfs_printf_y(file, directive, ftwbuf); - } - - const char *type = "U"; - - const struct bfs_stat *statbuf = bftw_stat(ftwbuf, BFS_STAT_FOLLOW); - if (statbuf) { - type = bfs_printf_type(bftw_mode_typeflag(statbuf->mode)); - } else { - switch (errno) { - case ELOOP: - type = "L"; - break; - case ENOENT: - case ENOTDIR: - type = "N"; - break; - default: - type = "?"; - error = errno; - break; - } - } - - int ret = fprintf(file, directive->str, type); - if (error != 0) { - ret = -1; - errno = error; - } - return ret; -} - -/** - * Free a printf directive. - */ -static void free_directive(struct bfs_printf *directive) { - if (directive) { - dstrfree(directive->str); - free(directive); - } -} - -/** - * Create a new printf directive. - */ -static struct bfs_printf *new_directive(bfs_printf_fn *fn) { - struct bfs_printf *directive = malloc(sizeof(*directive)); - if (!directive) { - perror("malloc()"); - goto error; - } - - directive->fn = fn; - directive->str = dstralloc(2); - if (!directive->str) { - perror("dstralloc()"); - goto error; - } - directive->stat_field = 0; - directive->c = 0; - directive->mtab = NULL; - directive->next = NULL; - return directive; - -error: - free_directive(directive); - return NULL; -} - -/** - * Append a printf directive to the chain. - */ -static struct bfs_printf **append_directive(struct bfs_printf **tail, struct bfs_printf *directive) { - assert(directive); - *tail = directive; - return &directive->next; -} - -/** - * Append a literal string to the chain. - */ -static struct bfs_printf **append_literal(struct bfs_printf **tail, struct bfs_printf **literal) { - struct bfs_printf *directive = *literal; - if (directive && dstrlen(directive->str) > 0) { - *literal = NULL; - return append_directive(tail, directive); - } else { - return tail; - } -} - -struct bfs_printf *parse_bfs_printf(const char *format, struct cmdline *cmdline) { - struct bfs_printf *head = NULL; - struct bfs_printf **tail = &head; - - struct bfs_printf *literal = new_directive(bfs_printf_literal); - if (!literal) { - goto error; - } - - for (const char *i = format; *i; ++i) { - char c = *i; - - if (c == '\\') { - c = *++i; - - if (c >= '0' && c < '8') { - c = 0; - for (int j = 0; j < 3 && *i >= '0' && *i < '8'; ++i, ++j) { - c *= 8; - c += *i - '0'; - } - --i; - goto one_char; - } - - switch (c) { - case 'a': c = '\a'; break; - case 'b': c = '\b'; break; - case 'f': c = '\f'; break; - case 'n': c = '\n'; break; - case 'r': c = '\r'; break; - case 't': c = '\t'; break; - case 'v': c = '\v'; break; - case '\\': c = '\\'; break; - - case 'c': - tail = append_literal(tail, &literal); - struct bfs_printf *directive = new_directive(bfs_printf_flush); - if (!directive) { - goto error; - } - tail = append_directive(tail, directive); - goto done; - - case '\0': - bfs_error(cmdline, "'%s': Incomplete escape sequence '\\'.\n", format); - goto error; - - default: - bfs_error(cmdline, "'%s': Unrecognized escape sequence '\\%c'.\n", format, c); - goto error; - } - } else if (c == '%') { - if (i[1] == '%') { - c = *++i; - goto one_char; - } - - struct bfs_printf *directive = new_directive(NULL); - if (!directive) { - goto directive_error; - } - if (dstrapp(&directive->str, c) != 0) { - perror("dstrapp()"); - goto directive_error; - } - - const char *specifier = "s"; - - // Parse any flags - bool must_be_numeric = false; - while (true) { - c = *++i; - - switch (c) { - case '#': - case '0': - case '+': - must_be_numeric = true; - // Fallthrough - case ' ': - case '-': - if (strchr(directive->str, c)) { - bfs_error(cmdline, "'%s': Duplicate flag '%c'.\n", format, c); - goto directive_error; - } - if (dstrapp(&directive->str, c) != 0) { - perror("dstrapp()"); - goto directive_error; - } - continue; - } - - break; - } - - // Parse the field width - while (c >= '0' && c <= '9') { - if (dstrapp(&directive->str, c) != 0) { - perror("dstrapp()"); - goto directive_error; - } - c = *++i; - } - - // Parse the precision - if (c == '.') { - do { - if (dstrapp(&directive->str, c) != 0) { - perror("dstrapp()"); - goto directive_error; - } - c = *++i; - } while (c >= '0' && c <= '9'); - } - - switch (c) { - case 'a': - directive->fn = bfs_printf_ctime; - directive->stat_field = BFS_STAT_ATIME; - break; - case 'b': - directive->fn = bfs_printf_b; - break; - case 'c': - directive->fn = bfs_printf_ctime; - directive->stat_field = BFS_STAT_CTIME; - break; - case 'd': - directive->fn = bfs_printf_d; - specifier = "jd"; - break; - case 'D': - directive->fn = bfs_printf_D; - break; - case 'f': - directive->fn = bfs_printf_f; - break; - case 'F': - if (!cmdline->mtab) { - bfs_error(cmdline, "Couldn't parse the mount table: %s.\n", strerror(cmdline->mtab_error)); - goto directive_error; - } - directive->fn = bfs_printf_F; - directive->mtab = cmdline->mtab; - break; - case 'g': - directive->fn = bfs_printf_g; - break; - case 'G': - directive->fn = bfs_printf_G; - break; - case 'h': - directive->fn = bfs_printf_h; - break; - case 'H': - directive->fn = bfs_printf_H; - break; - case 'i': - directive->fn = bfs_printf_i; - break; - case 'k': - directive->fn = bfs_printf_k; - break; - case 'l': - directive->fn = bfs_printf_l; - break; - case 'm': - directive->fn = bfs_printf_m; - specifier = "o"; - break; - case 'M': - directive->fn = bfs_printf_M; - break; - case 'n': - directive->fn = bfs_printf_n; - break; - case 'p': - directive->fn = bfs_printf_p; - break; - case 'P': - directive->fn = bfs_printf_P; - break; - case 's': - directive->fn = bfs_printf_s; - break; - case 'S': - directive->fn = bfs_printf_S; - specifier = "g"; - break; - case 't': - directive->fn = bfs_printf_ctime; - directive->stat_field = BFS_STAT_MTIME; - break; - case 'u': - directive->fn = bfs_printf_u; - break; - case 'U': - directive->fn = bfs_printf_U; - break; - case 'w': - directive->fn = bfs_printf_ctime; - directive->stat_field = BFS_STAT_BTIME; - break; - case 'y': - directive->fn = bfs_printf_y; - break; - case 'Y': - directive->fn = bfs_printf_Y; - break; - - case 'A': - directive->stat_field = BFS_STAT_ATIME; - goto directive_strftime; - case 'B': - case 'W': - directive->stat_field = BFS_STAT_BTIME; - goto directive_strftime; - case 'C': - directive->stat_field = BFS_STAT_CTIME; - goto directive_strftime; - case 'T': - directive->stat_field = BFS_STAT_MTIME; - goto directive_strftime; - - directive_strftime: - directive->fn = bfs_printf_strftime; - c = *++i; - if (!c) { - bfs_error(cmdline, "'%s': Incomplete time specifier '%s%c'.\n", format, directive->str, i[-1]); - goto directive_error; - } else if (strchr("%+@aAbBcCdDeFgGhHIjklmMnprRsStTuUVwWxXyYzZ", c)) { - directive->c = c; - } else { - bfs_error(cmdline, "'%s': Unrecognized time specifier '%%%c%c'.\n", format, i[-1], c); - goto directive_error; - } - break; - - case '\0': - bfs_error(cmdline, "'%s': Incomplete format specifier '%s'.\n", format, directive->str); - goto directive_error; - - default: - bfs_error(cmdline, "'%s': Unrecognized format specifier '%%%c'.\n", format, c); - goto directive_error; - } - - if (must_be_numeric && strcmp(specifier, "s") == 0) { - bfs_error(cmdline, "'%s': Invalid flags '%s' for string format '%%%c'.\n", format, directive->str + 1, c); - goto directive_error; - } - - if (dstrcat(&directive->str, specifier) != 0) { - perror("dstrcat()"); - goto directive_error; - } - - tail = append_literal(tail, &literal); - tail = append_directive(tail, directive); - - if (!literal) { - literal = new_directive(bfs_printf_literal); - if (!literal) { - goto error; - } - } - - continue; - - directive_error: - free_directive(directive); - goto error; - } - - one_char: - if (dstrapp(&literal->str, c) != 0) { - perror("dstrapp()"); - goto error; - } - } - -done: - tail = append_literal(tail, &literal); - if (head) { - free_directive(literal); - return head; - } else { - return literal; - } - -error: - free_directive(literal); - free_bfs_printf(head); - return NULL; -} - -int bfs_printf(FILE *file, const struct bfs_printf *command, const struct BFTW *ftwbuf) { - int ret = 0, error = 0; - - for (const struct bfs_printf *directive = command; directive; directive = directive->next) { - if (directive->fn(file, directive, ftwbuf) < 0) { - ret = -1; - error = errno; - } - } - - errno = error; - return ret; -} - -void free_bfs_printf(struct bfs_printf *command) { - while (command) { - struct bfs_printf *next = command->next; - free_directive(command); - command = next; - } -} -- cgit v1.2.3