version 1.182, 2014/08/21 00:32:15 |
version 1.184, 2014/08/22 04:52:55 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org> |
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org> |
* |
* |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
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#include <errno.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdint.h> |
#include <stdint.h> |
#include <stdlib.h> |
#include <stdlib.h> |
Line 84 static void mmsg(enum mandocerr, enum mandoclevel, |
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Line 85 static void mmsg(enum mandocerr, enum mandoclevel, |
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const char *, int, int, const char *); |
const char *, int, int, const char *); |
static void parse(struct curparse *, int, |
static void parse(struct curparse *, int, |
const char *, enum mandoclevel *); |
const char *, enum mandoclevel *); |
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static void spawn_pager(void); |
static int toptions(struct curparse *, char *); |
static int toptions(struct curparse *, char *); |
static void usage(enum argmode) __attribute__((noreturn)); |
static void usage(enum argmode) __attribute__((noreturn)); |
static void version(void) __attribute__((noreturn)); |
static void version(void) __attribute__((noreturn)); |
Line 111 main(int argc, char *argv[]) |
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Line 113 main(int argc, char *argv[]) |
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enum mandoclevel rc; |
enum mandoclevel rc; |
enum outmode outmode; |
enum outmode outmode; |
int show_usage; |
int show_usage; |
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int use_pager; |
int options; |
int options; |
int c; |
int c; |
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Line 145 main(int argc, char *argv[]) |
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Line 148 main(int argc, char *argv[]) |
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options = MPARSE_SO; |
options = MPARSE_SO; |
defos = NULL; |
defos = NULL; |
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use_pager = 1; |
show_usage = 0; |
show_usage = 0; |
outmode = OUTMODE_DEF; |
outmode = OUTMODE_DEF; |
while (-1 != (c = getopt(argc, argv, "aC:fI:ikM:m:O:S:s:T:VW:w"))) { |
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while (-1 != (c = getopt(argc, argv, "aC:cfI:ikM:m:O:S:s:T:VW:w"))) { |
switch (c) { |
switch (c) { |
case 'a': |
case 'a': |
outmode = OUTMODE_ALL; |
outmode = OUTMODE_ALL; |
Line 155 main(int argc, char *argv[]) |
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Line 160 main(int argc, char *argv[]) |
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case 'C': |
case 'C': |
conf_file = optarg; |
conf_file = optarg; |
break; |
break; |
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case 'c': |
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use_pager = 0; |
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break; |
case 'f': |
case 'f': |
search.argmode = ARG_WORD; |
search.argmode = ARG_WORD; |
break; |
break; |
Line 223 main(int argc, char *argv[]) |
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Line 231 main(int argc, char *argv[]) |
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switch (search.argmode) { |
switch (search.argmode) { |
case ARG_FILE: |
case ARG_FILE: |
outmode = OUTMODE_ALL; |
outmode = OUTMODE_ALL; |
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use_pager = 0; |
break; |
break; |
case ARG_NAME: |
case ARG_NAME: |
outmode = OUTMODE_ONE; |
outmode = OUTMODE_ONE; |
Line 319 main(int argc, char *argv[]) |
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Line 328 main(int argc, char *argv[]) |
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if ( ! moptions(&options, auxpaths)) |
if ( ! moptions(&options, auxpaths)) |
return((int)MANDOCLEVEL_BADARG); |
return((int)MANDOCLEVEL_BADARG); |
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if (use_pager && isatty(STDOUT_FILENO)) |
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spawn_pager(); |
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curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos); |
curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos); |
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/* |
/* |
Line 620 mmsg(enum mandocerr t, enum mandoclevel lvl, |
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Line 632 mmsg(enum mandocerr t, enum mandoclevel lvl, |
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fprintf(stderr, ": %s", msg); |
fprintf(stderr, ": %s", msg); |
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fputc('\n', stderr); |
fputc('\n', stderr); |
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} |
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static void |
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spawn_pager(void) |
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{ |
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#define MAX_PAGER_ARGS 16 |
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char *argv[MAX_PAGER_ARGS]; |
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const char *pager; |
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char *cp; |
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int fildes[2]; |
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int argc; |
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if (pipe(fildes) == -1) { |
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fprintf(stderr, "%s: pipe: %s\n", |
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progname, strerror(errno)); |
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return; |
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} |
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switch (fork()) { |
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case -1: |
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fprintf(stderr, "%s: fork: %s\n", |
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progname, strerror(errno)); |
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exit((int)MANDOCLEVEL_SYSERR); |
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case 0: |
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close(fildes[0]); |
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if (dup2(fildes[1], STDOUT_FILENO) == -1) { |
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fprintf(stderr, "%s: dup output: %s\n", |
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progname, strerror(errno)); |
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exit((int)MANDOCLEVEL_SYSERR); |
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} |
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return; |
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default: |
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break; |
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} |
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/* The original process becomes the pager. */ |
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close(fildes[1]); |
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if (dup2(fildes[0], STDIN_FILENO) == -1) { |
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fprintf(stderr, "%s: dup input: %s\n", |
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progname, strerror(errno)); |
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exit((int)MANDOCLEVEL_SYSERR); |
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} |
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pager = getenv("MANPAGER"); |
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if (pager == NULL || *pager == '\0') |
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pager = getenv("PAGER"); |
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if (pager == NULL || *pager == '\0') |
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pager = "/usr/bin/more -s"; |
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cp = mandoc_strdup(pager); |
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/* |
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* Parse the pager command into words. |
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* Intentionally do not do anything fancy here. |
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*/ |
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argc = 0; |
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while (argc + 1 < MAX_PAGER_ARGS) { |
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argv[argc++] = cp; |
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cp = strchr(cp, ' '); |
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if (cp == NULL) |
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break; |
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*cp++ = '\0'; |
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while (*cp == ' ') |
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cp++; |
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if (*cp == '\0') |
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break; |
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} |
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argv[argc] = NULL; |
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/* Hand over to the pager. */ |
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execvp(argv[0], argv); |
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fprintf(stderr, "%s: exec: %s\n", |
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progname, strerror(errno)); |
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exit((int)MANDOCLEVEL_SYSERR); |
} |
} |