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/* Provide a system independent glob type function */
/*************************************************************************
Copyright 2011 Graeme W. Gill
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
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
AUTHORS OR 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.
*************************************************************************/
#if defined (NT)
# if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0501
# if defined _WIN32_WINNT
# undef _WIN32_WINNT
# endif
# define _WIN32_WINNT 0x0501
# endif
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# include <io.h>
#endif
#if defined (UNIX)
# include <unistd.h>
# include <glob.h>
# include <pthread.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include "numsup.h"
#include "aglob.h"
/*
For MSWin should convert spath to UTF16 and call
wide version of FindFirstFileW with "\\?\" pre-pended to
the path. Convert results back to UTF8. (No Nt2K support ?)
Will setting codepage 65001 work OK for this ? (Aparently not).
_setmbcp(65001)
_wfindfirst()
_wfindnext()
_wfopen()
WideCharToMultiByte
MultiByteToWideCharTo
GetShortPathNameW to convert for libraries, but not 100% reliable
See <http://utf8everywhere.org/>
<http://www.nubaria.com/en/blog/?p=289>
<http://stackoverflow.com/questions/166503/utf-8-in-windows>
<http://alfps.wordpress.com/2011/11/22/unicode-part-1-windows-console-io-approaches/>
_setmode + _O_U8TEXT on files to output UTF8 ?
fopen(&fp, "newfile.txt", "rt+, ccs=UTF-8");
*/
/* Create the aglob */
/* Return nz on malloc error */
int aglob_create(aglob *g, char *spath) {
#ifdef NT
char *pp;
int rlen;
/* Figure out where the filename starts */
if ((pp = strrchr(spath, '/')) == NULL
&& (pp = strrchr(spath, '\\')) == NULL)
rlen = 0;
else
rlen = pp - spath + 1;
if ((g->base = malloc(rlen + 1)) == NULL) {
a1loge(g_log, 1, "aglob_create: malloc failed\n");
return 1;
}
memmove(g->base, spath, rlen);
g->base[rlen] = '\000';
g->first = 1;
g->ff = _findfirst(spath, &g->ffs);
#else /* UNIX */
memset(&g->g, 0, sizeof(g->g));
g->rv = glob(spath, GLOB_NOSORT, NULL, &g->g);
//a1loge(g_log, 0, "~1 glob '%s' returns %d and gl_pathc = %d\n",spath,g->rv,g->g.gl_pathc);
if (g->rv == GLOB_NOSPACE) {
a1loge(g_log, 1, "aglob_create: glob returned GLOB_NOSPACE\n");
return 1;
}
g->ix = 0;
#endif
g->merr = 0;
return 0;
}
/* Return an allocated string of the next match. */
/* Return NULL if no more matches */
char *aglob_next(aglob *g) {
char *fpath;
#ifdef NT
if (g->ff == -1L) {
return NULL;
}
if (g->first == 0) {
if (_findnext(g->ff, &g->ffs) != 0) {
return NULL;
}
}
g->first = 0;
/* Convert match filename to full path */
if ((fpath = malloc(strlen(g->base) + strlen(g->ffs.name) + 1)) == NULL) {
a1loge(g_log, 1, "aglob_next: malloc failed\n");
g->merr = 1;
return NULL;
}
strcpy(fpath, g->base);
strcat(fpath, g->ffs.name);
return fpath;
#else
if (g->rv != 0 || g->ix >= g->g.gl_pathc)
return NULL;
if ((fpath = strdup(g->g.gl_pathv[g->ix])) == NULL) {
a1loge(g_log, 1, "aglob_next: strdup failed\n");
g->merr = 1;
return NULL;
}
g->ix++;
return fpath;
#endif
}
void aglob_cleanup(aglob *g) {
#ifdef NT
if (g->ff != -1L)
_findclose(g->ff);
free(g->base);
#else /* UNIX */
if (g->rv == 0)
globfree(&g->g);
#endif
}
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