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authorThomas Fitzsimmons <fitzsim@redhat.com>2002-07-19 20:36:09 +0000
committerThomas Fitzsimmons <fitzsim@redhat.com>2002-07-19 20:36:09 +0000
commit9b022d6db80564cfc10c7f18e5d05cedb32f6375 (patch)
tree5daa6fff0a936f4aef743f3a438670468931922f /newlib/libc/stdlib/getsubopt.c
parentd477c5225dbca4290e41a2b2de989a4845500c19 (diff)
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* libc/argz/argz_replace.c: Include buf_findstr.h.
* libc/argz/buf_findstr.c: Likewise. * libc/argz/envz_entry.c: Include buf_findstr.h. Cast return value to (char *). * libc/argz/envz_get.c: Likewise. * libc/include/sys/unistd.h: Add getopt and getsubopt declarations. * libc/stdlib/Makefile.am (LIB_SOURCES): Add getsubopt.c. * libc/stdlib/getsubopt.3: New file. * libc/stdlib/getsubopt.c: New file. * libc/sys/linux/machine/i386/socketcall.h (__sockcall_base): Change esp to ebp.
Diffstat (limited to 'newlib/libc/stdlib/getsubopt.c')
-rw-r--r--newlib/libc/stdlib/getsubopt.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/newlib/libc/stdlib/getsubopt.c b/newlib/libc/stdlib/getsubopt.c
new file mode 100644
index 000000000..250e73d2c
--- /dev/null
+++ b/newlib/libc/stdlib/getsubopt.c
@@ -0,0 +1,101 @@
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getsubopt.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+#include <sys/cdefs.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ * The SVID interface to getsubopt provides no way of figuring out which
+ * part of the suboptions list wasn't matched. This makes error messages
+ * tricky... The extern variable suboptarg is a pointer to the token
+ * which didn't match.
+ */
+char *suboptarg;
+
+int
+getsubopt(optionp, tokens, valuep)
+ char **optionp, **valuep;
+ char * const *tokens;
+{
+ int cnt;
+ char *p;
+
+ suboptarg = *valuep = NULL;
+
+ if (!optionp || !*optionp)
+ return(-1);
+
+ /* skip leading white-space, commas */
+ for (p = *optionp; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
+
+ if (!*p) {
+ *optionp = p;
+ return(-1);
+ }
+
+ /* save the start of the token, and skip the rest of the token. */
+ for (suboptarg = p;
+ *++p && *p != ',' && *p != '=' && *p != ' ' && *p != '\t';);
+
+ if (*p) {
+ /*
+ * If there's an equals sign, set the value pointer, and
+ * skip over the value part of the token. Terminate the
+ * token.
+ */
+ if (*p == '=') {
+ *p = '\0';
+ for (*valuep = ++p;
+ *p && *p != ',' && *p != ' ' && *p != '\t'; ++p);
+ if (*p)
+ *p++ = '\0';
+ } else
+ *p++ = '\0';
+ /* Skip any whitespace or commas after this token. */
+ for (; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
+ }
+
+ /* set optionp for next round. */
+ *optionp = p;
+
+ for (cnt = 0; *tokens; ++tokens, ++cnt)
+ if (!strcmp(suboptarg, *tokens))
+ return(cnt);
+ return(-1);
+}