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Cleanup: rename/split splitkv.c

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
This commit is contained in:
David Oberhollenzer 2018-04-08 16:12:24 +02:00
parent 7d8ceb810f
commit 6b788edfa4
3 changed files with 95 additions and 73 deletions

View file

@ -1,8 +1,8 @@
HEADRS = lib/include/util.h lib/include/service.h lib/include/telinit.h
libinit_a_SOURCES = lib/src/delsvc.c lib/src/rdline.c lib/src/svcmap.c
libinit_a_SOURCES += lib/src/splitkv.c lib/src/enum_by_name.c
libinit_a_SOURCES += lib/src/rdsvc.c lib/src/svcscan.c
libinit_a_SOURCES += lib/src/unescape.c lib/src/enum_by_name.c
libinit_a_SOURCES += lib/src/rdsvc.c lib/src/svcscan.c lib/src/split_argv.c
libinit_a_SOURCES += lib/src/del_svc_list.c lib/src/svc_tsort.c
libinit_a_SOURCES += lib/src/opensock.c lib/src/enum_to_name.c $(HEADRS)
libinit_a_CPPFLAGS = $(AM_CPPFLAGS)

93
lib/src/split_argv.c Normal file
View file

@ -0,0 +1,93 @@
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* Copyright (C) 2018 - David Oberhollenzer
*
* This program 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.
*
* This program 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, see <https://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include "util.h"
char **split_argv(char *str)
{
size_t i = 0, cap = 0, new_cap;
char **argv = NULL, **new;
char *ptr;
ptr = str;
for (;;) {
if (*ptr == ' ') {
++ptr;
continue;
}
if (i == cap) {
new_cap = cap ? cap * 2 : 16;
new = realloc(argv, sizeof(argv[0]) * new_cap);
if (new == NULL) {
free(argv);
errno = ENOMEM;
return NULL;
}
cap = new_cap;
argv = new;
}
if (*ptr == '\0') {
argv[i++] = NULL;
break;
}
argv[i++] = ptr;
if (*ptr == '"') {
++ptr;
while (*ptr != '\0' && *ptr != '"') {
if (ptr[0] == '\\' && ptr[1] != '\0')
++ptr;
++ptr;
}
if (*ptr == '"')
++ptr;
if (*ptr == ' ') {
*(ptr++) = '\0';
} else if (*ptr != '\0') {
goto fail_str;
}
if (unescape(argv[i - 1]))
goto fail_str;
} else {
while (*ptr != '\0' && *ptr != ' ')
++ptr;
if (*ptr == ' ')
*(ptr++) = '\0';
}
}
return argv;
fail_str:
free(argv);
errno = EINVAL;
return NULL;
}

View file

@ -88,74 +88,3 @@ int unescape(char *src)
*(dst++) = '\0';
return 0;
}
char **split_argv(char *str)
{
size_t i = 0, cap = 0, new_cap;
char **argv = NULL, **new;
char *ptr;
ptr = str;
for (;;) {
if (*ptr == ' ') {
++ptr;
continue;
}
if (i == cap) {
new_cap = cap ? cap * 2 : 16;
new = realloc(argv, sizeof(argv[0]) * new_cap);
if (new == NULL) {
free(argv);
errno = ENOMEM;
return NULL;
}
cap = new_cap;
argv = new;
}
if (*ptr == '\0') {
argv[i++] = NULL;
break;
}
argv[i++] = ptr;
if (*ptr == '"') {
++ptr;
while (*ptr != '\0' && *ptr != '"') {
if (ptr[0] == '\\' && ptr[1] != '\0')
++ptr;
++ptr;
}
if (*ptr == '"')
++ptr;
if (*ptr == ' ') {
*(ptr++) = '\0';
} else if (*ptr != '\0') {
goto fail_str;
}
if (unescape(argv[i - 1]))
goto fail_str;
} else {
while (*ptr != '\0' && *ptr != ' ')
++ptr;
if (*ptr == ' ')
*(ptr++) = '\0';
}
}
return argv;
fail_str:
free(argv);
errno = EINVAL;
return NULL;
}