diff options
Diffstat (limited to 'kdm/backend/inifile.c')
| -rw-r--r-- | kdm/backend/inifile.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/kdm/backend/inifile.c b/kdm/backend/inifile.c deleted file mode 100644 index b5426de75..000000000 --- a/kdm/backend/inifile.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - -Copyright 2003 Oswald Buddenhagen <[email protected]> - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of a copyright holder shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from the copyright holder. - -*/ - -/* - * xdm - display manager daemon - * Author: Keith Packard, MIT X Consortium - * - * load, save and manipulate ini-style config files - */ - -#include "dm.h" -#include "dm_error.h" - -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> - -char * -iniLoad( const char *fname ) -{ - char *data; - int fd, len; - struct stat st; - - if ((fd = open( fname, O_RDONLY | O_NONBLOCK )) < 0) { - Debug( "cannot open ini-file %\"s: %m", fname ); - return 0; - } - if (fstat( fd, &st ) || !S_ISREG( st.st_mode )) { - LogWarn( "Ini-file %\"s is no regular file\n", fname ); - close( fd ); - return 0; - } - if (st.st_size >= 0x10000) { - LogWarn( "Ini-file %\"s is too big\n", fname ); - close( fd ); - return 0; - } - len = st.st_size; - if (!(data = Malloc( len + 2 ))) { - close( fd ); - return 0; - } - if (read( fd, data, len ) != len) { - Debug( "cannot read ini-file %\"s: %m", fname ); - free( data ); - close( fd ); - return 0; - } - close( fd ); - if (data[len - 1] != '\n') - data[len++] = '\n'; - data[len] = 0; - return data; -} - -int -iniSave( const char *data, const char *fname ) -{ - int fd, cnt, len; - - if ((fd = open( fname, O_WRONLY | O_CREAT | O_TRUNC | O_NONBLOCK, 0600 )) < 0) { - Debug( "cannot create ini-file %\"s: %m", fname ); - return 0; - } - len = strlen( data ); - if ((cnt = write( fd, data, len )) == len) { - close( fd ); - return 1; - } - if (cnt == -1) - Debug( "cannot write ini-file %\"s: %m", fname ); - else - Debug( "cannot write ini-file %\"s: partial write", fname ); - close( fd ); - return 0; -} - -#define apparr(d,s,n) do { memcpy (d, s, n); d += n; } while(0) -#define appbyte(d,b) *d++ = b - -char * -iniEntry( char *data, const char *section, const char *key, const char *value ) -{ - char *p = data, *secinsert = 0, *pastinsert = 0, *cb, *ce, *ndata; - const char *t; - int insect = 0, ll, sl, kl, vl, len, nlen; - - if (p) { - while (*p) { - for (; *p == ' ' || *p == '\t'; p++); - if (*p == '\n') { - p++; - continue; - } - if (*p == '[') { - for (t = section; *++p == *t; t++); - insect = !*t && *p == ']'; - } else if (insect) { - for (t = key; *p == *t; t++, p++); - for (; *p == ' ' || *p == '\t'; p++); - if (!*t && *p == '=') { - for (p++; *p == ' ' || *p == '\t'; p++); - cb = p; - while (*p++ != '\n'); - ce = p; - if (value) { - ll = sl = kl = 0; - len = (ce - data) + strlen( ce ); - goto insert; - } else { - for (ce--; ce != cb && (*(ce - 1) == ' ' || *(ce - 1) == '\t'); ce--); - if (!StrNDup( &p, cb, ce - cb )) - return 0; - return p; - } - } - } - for (; *p != '\n'; p++); - p++; - if (insect) - secinsert = p; - else - pastinsert = p; - } - } - if (!value) - return 0; - len = p - data; - if (secinsert) { - ce = cb = secinsert; - sl = ll = 0; - } else { - sl = strlen( section ) + 3; - if (pastinsert) { - ce = cb = pastinsert; - ll = 1; - } else { - ce = cb = data; - ll = 0; - } - } - kl = strlen( key ) + 1; - insert: - vl = strlen( value ); - nlen = len - (ce - cb) + ll + sl + kl + vl + 1; - if (!(p = ndata = Malloc( nlen + 1 ))) - return data; - apparr( p, data, cb - data ); - if (kl) { - if (sl) { - if (ll) - appbyte( p, '\n' ); - appbyte( p, '[' ); - apparr( p, section, sl - 3 ); - appbyte( p, ']' ); - appbyte( p, '\n' ); - } - apparr( p, key, kl - 1 ); - appbyte( p, '=' ); - } - apparr( p, value, vl ); - appbyte( p, '\n' ); - if (data) { - apparr( p, ce, len - (ce - data) ); - free( data ); - } - appbyte( p, 0 ); - return ndata; -} - -char * -iniMerge( char *data, const char *newdata ) -{ - const char *p, *cb, *ce; - char *section = 0, *key, *value; - - if (!newdata) - return data; - for (p = newdata;;) { - for (; *p == ' ' || *p == '\t'; p++); - if (!*p) - break; - if (*p == '\n') { - p++; - continue; - } - if (*p == '#') { - for (p++; *p != '\n'; p++) - if (!*p) - goto bail; - p++; - continue; - } - if (*p == '[') { - cb = ++p; - for (; *p != ']'; p++) - if (!*p || *p == '\n') /* missing ] */ - goto bail; - if (!ReStrN( §ion, cb, p - cb )) - break; - p++; - } else { - cb = p; - for (; *p != '='; p++) - if (!*p || *p == '\n') /* missing = */ - goto bail; - for (ce = p; ce != cb && (*(ce - 1) == ' ' || *(ce - 1) == '\t'); ce--); - if (!StrNDup( &key, cb, ce - cb )) - break; - for (p++; *p == ' ' || *p == '\t'; p++); - cb = p; - for (; *p && *p != '\n'; p++); - for (ce = p; ce != cb && (*(ce - 1) == ' ' || *(ce - 1) == '\t'); ce--); - if (!StrNDup( &value, cb, ce - cb )) - break; - if (section) - data = iniEntry( data, section, key, value ); - free( value ); - free( key ); - } - } - bail: - if (section) - free( section ); - return data; -} |