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Diffstat (limited to 'sntp/libopts/text_mmap.c')
-rw-r--r--sntp/libopts/text_mmap.c80
1 files changed, 50 insertions, 30 deletions
diff --git a/sntp/libopts/text_mmap.c b/sntp/libopts/text_mmap.c
index ced2977c5b79..01aa7d821255 100644
--- a/sntp/libopts/text_mmap.c
+++ b/sntp/libopts/text_mmap.c
@@ -1,7 +1,27 @@
-/*
- * $Id: text_mmap.c,v 4.15 2006/11/27 01:52:23 bkorb Exp $
+/**
+ * \file text_mmap.c
+ *
+ * Time-stamp: "2010-07-17 10:15:32 bkorb"
+ *
+ * This file is part of AutoOpts, a companion to AutoGen.
+ * AutoOpts is free software.
+ * AutoOpts is Copyright (c) 1992-2011 by Bruce Korb - all rights reserved
+ *
+ * AutoOpts is available under any one of two licenses. The license
+ * in use must be one of these two and the choice is under the control
+ * of the user of the license.
+ *
+ * The GNU Lesser General Public License, version 3 or later
+ * See the files "COPYING.lgplv3" and "COPYING.gplv3"
+ *
+ * The Modified Berkeley Software Distribution License
+ * See the file "COPYING.mbsd"
+ *
+ * These files have the following md5sums:
*
- * Time-stamp: "2006-09-10 14:50:04 bkorb"
+ * 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3
+ * 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3
+ * 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd
*/
#ifndef MAP_ANONYMOUS
@@ -70,16 +90,16 @@
* #include <mylib.h>
* tmap_info_t mi;
* int no_nul;
- * void* data = text_mmap( "file", PROT_WRITE, MAP_PRIVATE, &mi );
+ * void* data = text_mmap("file", PROT_WRITE, MAP_PRIVATE, &mi);
* if (data == MAP_FAILED) return;
* no_nul = (mi.txt_size == mi.txt_full_size);
* << use the data >>
- * text_munmap( &mi );
+ * text_munmap(&mi);
=*/
void*
-text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
+text_mmap(char const* pzFile, int prot, int flags, tmap_info_t* pMI)
{
- memset( pMI, 0, sizeof(*pMI) );
+ memset(pMI, 0, sizeof(*pMI));
#ifdef HAVE_MMAP
pMI->txt_zero_fd = -1;
#endif
@@ -90,12 +110,12 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
*/
{
struct stat sb;
- if (stat( pzFile, &sb ) != 0) {
+ if (stat(pzFile, &sb) != 0) {
pMI->txt_errno = errno;
return MAP_FAILED_PTR;
}
- if (! S_ISREG( sb.st_mode )) {
+ if (! S_ISREG(sb.st_mode)) {
pMI->txt_errno = errno = EINVAL;
return MAP_FAILED_PTR;
}
@@ -126,7 +146,7 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
if (((flags & MAP_SHARED) == 0) && (prot & PROT_WRITE))
o_flag |= O_EXCL;
- pMI->txt_fd = open( pzFile, o_flag );
+ pMI->txt_fd = open(pzFile, o_flag);
}
if (pMI->txt_fd == AO_INVALID_FD) {
@@ -187,7 +207,7 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
pMI->txt_errno = errno;
#elif defined(HAVE_DEV_ZERO)
- pMI->txt_zero_fd = open( "/dev/zero", O_RDONLY );
+ pMI->txt_zero_fd = open("/dev/zero", O_RDONLY);
if (pMI->txt_zero_fd == AO_INVALID_FD) {
pMI->txt_errno = errno;
@@ -202,7 +222,7 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
return pMI->txt_data;
pMI->txt_errno = errno;
- close( pMI->txt_zero_fd );
+ close(pMI->txt_zero_fd);
pMI->txt_zero_fd = -1;
}
#endif
@@ -211,8 +231,8 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
}
{
- void* p = AGALOC( pMI->txt_size+1, "file text" );
- memcpy( p, pMI->txt_data, pMI->txt_size );
+ void* p = AGALOC(pMI->txt_size+1, "file text");
+ memcpy(p, pMI->txt_data, pMI->txt_size);
((char*)p)[pMI->txt_size] = NUL;
munmap(pMI->txt_data, pMI->txt_size );
pMI->txt_data = p;
@@ -222,7 +242,7 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
#else /* * * * * * no HAVE_MMAP * * * * * */
- pMI->txt_data = AGALOC( pMI->txt_size+1, "file text" );
+ pMI->txt_data = AGALOC(pMI->txt_size+1, "file text");
if (pMI->txt_data == NULL) {
pMI->txt_errno = ENOMEM;
goto fail_return;
@@ -233,12 +253,12 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
char* pz = pMI->txt_data;
while (sz > 0) {
- ssize_t rdct = read( pMI->txt_fd, pz, sz );
+ ssize_t rdct = read(pMI->txt_fd, pz, sz);
if (rdct <= 0) {
pMI->txt_errno = errno;
- fprintf( stderr, zFSErrReadFile,
- errno, strerror( errno ), pzFile );
- free( pMI->txt_data );
+ fprintf(stderr, zFSErrReadFile,
+ errno, strerror(errno), pzFile);
+ free(pMI->txt_data);
goto fail_return;
}
@@ -261,7 +281,7 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
fail_return:
if (pMI->txt_fd >= 0) {
- close( pMI->txt_fd );
+ close(pMI->txt_fd);
pMI->txt_fd = -1;
}
errno = pMI->txt_errno;
@@ -290,7 +310,7 @@ text_mmap( char const* pzFile, int prot, int flags, tmap_info_t* pMI )
* err: Any error code issued by munmap(2) or close(2) is possible.
=*/
int
-text_munmap( tmap_info_t* pMI )
+text_munmap(tmap_info_t* pMI)
{
#ifdef HAVE_MMAP
int res = 0;
@@ -306,26 +326,26 @@ text_munmap( tmap_info_t* pMI )
if (lseek(pMI->txt_fd, (size_t)0, SEEK_SET) != 0)
goto error_return;
- res = (write( pMI->txt_fd, pMI->txt_data, pMI->txt_size ) < 0)
+ res = (write(pMI->txt_fd, pMI->txt_data, pMI->txt_size) < 0)
? errno : 0;
}
- AGFREE( pMI->txt_data );
+ AGFREE(pMI->txt_data);
errno = res;
} else {
- res = munmap( pMI->txt_data, pMI->txt_full_size );
+ res = munmap(pMI->txt_data, pMI->txt_full_size);
}
if (res != 0)
goto error_return;
- res = close( pMI->txt_fd );
+ res = close(pMI->txt_fd);
if (res != 0)
goto error_return;
pMI->txt_fd = -1;
errno = 0;
if (pMI->txt_zero_fd != -1) {
- res = close( pMI->txt_zero_fd );
+ res = close(pMI->txt_zero_fd);
pMI->txt_zero_fd = -1;
}
@@ -341,14 +361,14 @@ text_munmap( tmap_info_t* pMI )
* THEN rewrite the data.
*/
if ( FILE_WRITABLE(pMI->txt_prot, pMI->txt_flags)
- && (lseek( pMI->txt_fd, 0, SEEK_SET ) >= 0) ) {
- write( pMI->txt_fd, pMI->txt_data, pMI->txt_size );
+ && (lseek(pMI->txt_fd, 0, SEEK_SET) >= 0) ) {
+ write(pMI->txt_fd, pMI->txt_data, pMI->txt_size);
}
- close( pMI->txt_fd );
+ close(pMI->txt_fd);
pMI->txt_fd = -1;
pMI->txt_errno = errno;
- free( pMI->txt_data );
+ free(pMI->txt_data);
return pMI->txt_errno;
#endif /* HAVE_MMAP */
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-21 22:51:08 +0000