diff options
Diffstat (limited to 'io.c')
| -rw-r--r-- | io.c | 100 |
1 files changed, 50 insertions, 50 deletions
@@ -2,23 +2,23 @@ * io.c --- routines for dealing with input and output and records */ -/* +/* * Copyright (C) 1986, 1988, 1989, 1991-2016, * the Free Software Foundation, Inc. - * + * * This file is part of GAWK, the GNU implementation of the * AWK Programming Language. - * + * * GAWK is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. - * + * * GAWK is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA @@ -357,7 +357,7 @@ init_io() * PROCINFO entries for timeout are dynamic; * We can't be any more specific than this. */ - if (PROCINFO_node != NULL) + if (PROCINFO_node != NULL) read_can_timeout = true; } @@ -417,7 +417,7 @@ after_beginfile(IOBUF **curfile) bool valid; fname = iop->public.name; - errcode = iop->errcode; + errcode = iop->errcode; valid = iop->valid; errno = 0; update_ERRNO_int(errcode); @@ -466,12 +466,12 @@ nextfile(IOBUF **curfile, bool skipping) (void) iop_close(iop); *curfile = NULL; return 1; /* run endfile block */ - } else + } else return 0; } argc = get_number_si(ARGC_node->var_value); - + for (; i < argc; i++) { tmp = make_number((AWKNUM) i); (void) force_string(tmp); @@ -597,7 +597,7 @@ inrec(IOBUF *iop, int *errcode) cnt = EOF; else if ((iop->flag & IOP_CLOSED) != 0) cnt = EOF; - else + else cnt = get_a_record(& begin, iop, errcode); /* Note that get_a_record may return -2 when I/O would block */ @@ -1022,7 +1022,7 @@ redirect_string(const char *str, size_t explen, bool not_string, #ifdef VMS /* Alpha/VMS V7.1+ C RTL is returning these instead of EMFILE (haven't tried other post-V6.2 systems) */ - else if ((errno == EIO || errno == EVMSERR) && + else if ((errno == EIO || errno == EVMSERR) && (vaxc$errno == SS$_EXQUOTA || vaxc$errno == SS$_EXBYTLM || vaxc$errno == RMS$_ACC || @@ -1168,7 +1168,7 @@ close_one() } if (rp == NULL) /* surely this is the only reason ??? */ - fatal(_("too many pipes or input files open")); + fatal(_("too many pipes or input files open")); } /* do_close --- completely close an open file or pipe */ @@ -1747,7 +1747,7 @@ devopen(const char *name, const char *mode) char *cp, *end; unsigned long count = 0; char *ms2; - + first_time = false; if ((cp = getenv("GAWK_SOCK_RETRIES")) != NULL) { count = strtoul(cp, & end, 10); @@ -1886,7 +1886,7 @@ two_way_open(const char *str, struct redirect *rp, int extfd) char c; int master, dup_master; int slave; - int save_errno; + int save_errno; pid_t pid; struct stat statb; struct termios st; @@ -2141,7 +2141,7 @@ use_pipes: #if defined(__EMX__) || defined(__MINGW32__) save_stdin = dup(0); /* duplicate stdin */ save_stdout = dup(1); /* duplicate stdout */ - + if (save_stdout == -1 || save_stdin == -1) { /* if an error occurs close all open file handles */ save_errno = errno; @@ -2154,7 +2154,7 @@ use_pipes: errno = save_errno; return false; } - + /* connect pipes to stdin and stdout */ close(1); /* close stdout */ if (dup(ctop[1]) != 1) { /* connect pipe input to stdout */ @@ -2174,7 +2174,7 @@ use_pipes: /* none of these handles must be inherited by the child process */ (void) close(ptoc[0]); /* close pipe output, child will use stdin instead */ (void) close(ctop[1]); /* close pipe input, child will use stdout instead */ - + os_close_on_exec(ptoc[1], str, "pipe", "from"); /* pipe input: output of the parent process */ os_close_on_exec(ctop[0], str, "pipe", "from"); /* pipe output: input of the parent process */ os_close_on_exec(save_stdin, str, "pipe", "from"); /* saved stdin of the parent process */ @@ -2188,7 +2188,7 @@ use_pipes: qcmd = quote_cmd(str), NULL); efree(qcmd); #endif - + /* restore stdin and stdout */ close(1); if (dup(save_stdout) != 1) { @@ -2197,7 +2197,7 @@ use_pipes: fatal(_("restoring stdout in parent process failed\n")); } close(save_stdout); - + close(0); if (dup(save_stdin) != 0) { close(save_stdin); @@ -2223,7 +2223,7 @@ use_pipes: errno = save_errno; return false; } - + if (pid == 0) { /* child */ if (close(1) == -1) fatal(_("close of stdout in child failed (%s)"), @@ -2444,10 +2444,10 @@ gawk_popen(const char *cmd, struct redirect *rp) fatal(_("moving pipe to stdout in child failed (dup: %s)"), strerror(errno)); } - + /* none of these handles must be inherited by the child process */ close(p[1]); /* close pipe input */ - + os_close_on_exec(p[0], cmd, "pipe", "from"); /* pipe output: input of the parent process */ os_close_on_exec(save_stdout, cmd, "pipe", "from"); /* saved stdout of the parent process */ @@ -2458,7 +2458,7 @@ gawk_popen(const char *cmd, struct redirect *rp) qcmd = quote_cmd(cmd), NULL); efree(qcmd); #endif - + /* restore stdout */ close(1); if (dup(save_stdout) != 1) { @@ -2686,7 +2686,7 @@ do_getline(int into_variable, IOBUF *iop) update_ERRNO_int(errcode); if (into_variable) (void) POP_ADDRESS(); - return make_number((AWKNUM) cnt); + return make_number((AWKNUM) cnt); } if (cnt == EOF) @@ -2709,8 +2709,8 @@ do_getline(int into_variable, IOBUF *iop) typedef struct { const char *envname; char **dfltp; /* pointer to address of default path */ - char **awkpath; /* array containing library search paths */ - int max_pathlen; /* length of the longest item in awkpath */ + char **awkpath; /* array containing library search paths */ + int max_pathlen; /* length of the longest item in awkpath */ } path_info; static path_info pi_awkpath = { @@ -2779,7 +2779,7 @@ init_awkpath(path_info *pi) #undef INC_PATH } -/* do_find_source --- search $AWKPATH for file, return NULL if not found */ +/* do_find_source --- search $AWKPATH for file, return NULL if not found */ static char * do_find_source(const char *src, struct stat *stb, int *errcode, path_info *pi) @@ -2803,7 +2803,7 @@ do_find_source(const char *src, struct stat *stb, int *errcode, path_info *pi) if (pi->awkpath == NULL) init_awkpath(pi); - emalloc(path, char *, pi->max_pathlen + strlen(src) + 1, "do_find_source"); + emalloc(path, char *, pi->max_pathlen + strlen(src) + 1, "do_find_source"); for (i = 0; pi->awkpath[i] != NULL; i++) { if (strcmp(pi->awkpath[i], "./") == 0 || strcmp(pi->awkpath[i], ".") == 0) *path = '\0'; @@ -2820,7 +2820,7 @@ do_find_source(const char *src, struct stat *stb, int *errcode, path_info *pi) return NULL; } -/* find_source --- find source file with default file extension handling */ +/* find_source --- find source file with default file extension handling */ char * find_source(const char *src, struct stat *stb, int *errcode, int is_extlib) @@ -3288,51 +3288,51 @@ rs1scan(IOBUF *iop, struct recmatch *recm, SCANSTATE *state) * Subject: Re: multibyte locales: any way to find if a character isn't multibyte? * Date: Mon, 23 Jun 2003 12:20:16 +0200 * Cc: isamu@yamato.ibm.com - * + * * Hi, - * + * * > Is there any way to make the following query to the current locale? * > * > Given an 8-bit value, can this value ever appear as part of * > a multibyte character? - * + * * There is no simple answer here. The easiest solution I see is to * get the current locale's codeset (via locale_charset() which is a * wrapper around nl_langinfo(CODESET)), and then perform a case-by-case * treatment of the known multibyte encodings, from GB2312 to EUC-JISX0213; * for the unibyte encodings, a single btowc() call will tell you. - * + * * > This is particularly critical for me for ASCII newline ('\n'). If I * > can be guaranteed that it never shows up as part of a multibyte character, * > I can speed up gawk considerably in mulitbyte locales. - * + * * This is much simpler to answer! * In all ASCII based multibyte encodings used for locales today (this * excludes EBCDIC based doublebyte encodings from IBM, and also excludes * ISO-2022-JP which is used for email exchange but not as a locale encoding) * ALL bytes in the range 0x00..0x2F occur only as a single character, not * as part of a multibyte character. - * + * * So it's safe to assume, but deserves a comment in the source. - * + * * Bruno *************************************************************** * From: Bruno Haible <bruno@clisp.org> * To: Aharon Robbins <arnold@skeeve.com> * Subject: Re: multibyte locales: any way to find if a character isn't multibyte? * Date: Mon, 23 Jun 2003 14:27:49 +0200 - * + * * On Monday 23 June 2003 14:11, you wrote: - * + * * > if (rs != '\n' && MB_CUR_MAX > 1) { - * + * * If you assume ASCII, you can even write - * + * * if (rs >= 0x30 && MB_CUR_MAX > 1) { - * + * * (this catches also the space character) but if portability to EBCDIC * systems is desired, your code is fine as is. - * + * * Bruno */ /* Thus, the check for \n here; big speedup ! */ @@ -3665,7 +3665,7 @@ get_a_record(char **out, /* pointer to pointer to data */ *errcode = errno; if (errno_io_retry() && retryable(iop)) return -2; - iop->flag |= IOP_AT_EOF; + iop->flag |= IOP_AT_EOF; return EOF; } else { iop->dataend = iop->buf + iop->count; @@ -3853,7 +3853,7 @@ set_RS() * in case of fatal error in make_regexp. */ refree(RS_re_yes_case); /* NULL argument is ok */ - refree(RS_re_no_case); + refree(RS_re_no_case); RS_re_yes_case = RS_re_no_case = RS_regexp = NULL; if (RS->stlen == 0) { @@ -3978,9 +3978,9 @@ inetfile(const char *str, struct inet_socket_info *isi) isi->localport.offset = cp-str; while (*cp != '/' && *cp != '\0') cp++; - /* + /* * Require a port, let them explicitly put 0 if - * they don't care. + * they don't care. */ if (*cp != '/' || ((isi->localport.len = (cp-str)-isi->localport.offset) == 0)) return false; @@ -3989,7 +3989,7 @@ inetfile(const char *str, struct inet_socket_info *isi) cp++; isi->remotehost.offset = cp-str; while (*cp != '/' && *cp != '\0') - cp++; + cp++; if (*cp != '/' || ((isi->remotehost.len = (cp-str)-isi->remotehost.offset) == 0)) return false; @@ -4005,7 +4005,7 @@ inetfile(const char *str, struct inet_socket_info *isi) */ isi->remoteport.offset = cp-str; while (*cp != '/' && *cp != '\0') - cp++; + cp++; if (*cp != '\0' || ((isi->remoteport.len = (cp-str)-isi->remoteport.offset) == 0)) return false; @@ -4021,14 +4021,14 @@ inetfile(const char *str, struct inet_socket_info *isi) /* * in_PROCINFO --- return value for a PROCINFO element with * SUBSEP seperated indices. - */ + */ static NODE * in_PROCINFO(const char *pidx1, const char *pidx2, NODE **full_idx) { char *str; size_t str_len; - NODE *r, *sub = NULL; + NODE *r, *sub = NULL; NODE *subsep = SUBSEP_node->var_value; if (PROCINFO_node == NULL || (pidx1 == NULL && pidx2 == NULL)) |