[PATCH 3/4] Private strsep implementation
Vladimir.Marek at oracle.com
Vladimir.Marek at oracle.com
Mon Apr 9 03:17:44 PDT 2012
From: Vladimir Marek <vlmarek at volny.cz>
strsep is not available on Solaris 10, so we stole the one used by mutt.
Signed-off-by: Vladimir Marek <vlmarek at volny.cz>
---
compat/Makefile.local | 4 +++
compat/compat.h | 4 +++
compat/have_strsep.c | 10 +++++++
compat/strsep.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++
configure | 21 ++++++++++++++-
5 files changed, 102 insertions(+), 2 deletions(-)
create mode 100644 compat/have_strsep.c
create mode 100644 compat/strsep.c
diff --git a/compat/Makefile.local b/compat/Makefile.local
index 13f16cd..2c4f65f 100644
--- a/compat/Makefile.local
+++ b/compat/Makefile.local
@@ -13,4 +13,8 @@ ifneq ($(HAVE_STRCASESTR),1)
notmuch_compat_srcs += $(dir)/strcasestr.c
endif
+ifneq ($(HAVE_STRSEP),1)
+notmuch_compat_srcs += $(dir)/strsep.c
+endif
+
SRCS := $(SRCS) $(notmuch_compat_srcs)
diff --git a/compat/compat.h b/compat/compat.h
index b2e2736..cf8d56d 100644
--- a/compat/compat.h
+++ b/compat/compat.h
@@ -46,6 +46,10 @@ getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp);
char* strcasestr(const char *haystack, const char *needle);
#endif /* !HAVE_STRCASESTR */
+#if !HAVE_STRSEP
+char *strsep(char **stringp, const char *delim);
+#endif /* !HAVE_STRSEP */
+
/* Silence gcc warnings about unused results. These warnings exist
* for a reason; any use of this needs to be justified. */
#ifdef __GNUC__
diff --git a/compat/have_strsep.c b/compat/have_strsep.c
new file mode 100644
index 0000000..5bd396c
--- /dev/null
+++ b/compat/have_strsep.c
@@ -0,0 +1,10 @@
+#define _GNU_SOURCE
+#include <string.h>
+
+int main()
+{
+ char *found;
+ char **stringp, const char *delim;
+
+ found = strsep(stringp, delim);
+}
diff --git a/compat/strsep.c b/compat/strsep.c
new file mode 100644
index 0000000..78ab9e7
--- /dev/null
+++ b/compat/strsep.c
@@ -0,0 +1,65 @@
+/* Copyright (C) 1992, 93, 96, 97, 98, 99, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <string.h>
+
+/* Taken from glibc 2.6.1 */
+
+char *strsep (char **stringp, const char *delim)
+{
+ char *begin, *end;
+
+ begin = *stringp;
+ if (begin == NULL)
+ return NULL;
+
+ /* A frequent case is when the delimiter string contains only one
+ character. Here we don't need to call the expensive `strpbrk'
+ function and instead work using `strchr'. */
+ if (delim[0] == '\0' || delim[1] == '\0')
+ {
+ char ch = delim[0];
+
+ if (ch == '\0')
+ end = NULL;
+ else
+ {
+ if (*begin == ch)
+ end = begin;
+ else if (*begin == '\0')
+ end = NULL;
+ else
+ end = strchr (begin + 1, ch);
+ }
+ }
+ else
+ /* Find the end of the token. */
+ end = strpbrk (begin, delim);
+
+ if (end)
+ {
+ /* Terminate the token and set *STRINGP past NUL character. */
+ *end++ = '\0';
+ *stringp = end;
+ }
+ else
+ /* No more delimiters; this is the last token. */
+ *stringp = NULL;
+
+ return begin;
+}
diff --git a/configure b/configure
index 6870341..a06df7c 100755
--- a/configure
+++ b/configure
@@ -486,6 +486,17 @@ else
fi
rm -f compat/have_strcasestr
+printf "Checking for strsep... "
+if ${CC} -o compat/have_strsep "$srcdir"/compat/have_strsep > /dev/null 2>&1
+then
+ printf "Yes.\n"
+ have_strsep=1
+else
+ printf "No (will use our own instead).\n"
+ have_strsep=0
+fi
+rm -f compat/have_strsep
+
printf "int main(void){return 0;}\n" > minimal.c
printf "Checking for rpath support... "
@@ -645,6 +656,10 @@ HAVE_GETLINE = ${have_getline}
# build its own version)
HAVE_STRCASESTR = ${have_strcasestr}
+# Whether the strsep function is available (if not, then notmuch will
+# build its own version)
+HAVE_STRSEP = ${have_strsep}
+
# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS
PLATFORM = ${platform}
@@ -689,10 +704,12 @@ WITH_ZSH = ${WITH_ZSH}
# Combined flags for compiling and linking against all of the above
CONFIGURE_CFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\
\$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\
- \$(VALGRIND_CFLAGS) -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR)
+ \$(VALGRIND_CFLAGS) -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR) \\
+ -DHAVE_STRSEP=\$(HAVE_STRSEP)
CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\
\$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\
\$(VALGRIND_CFLAGS) \$(XAPIAN_CXXFLAGS) \\
- -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR)
+ -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR) \\
+ -DHAVE_STRSEP=\$(HAVE_STRSEP)
CONFIGURE_LDFLAGS = \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(XAPIAN_LDFLAGS)
EOF
--
1.7.3.2
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