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authorncopa <ncopa@f176ef85-8d20-0410-844a-e957b5a1c371>2007-07-31 13:41:37 +0000
committerncopa <ncopa@f176ef85-8d20-0410-844a-e957b5a1c371>2007-07-31 13:41:37 +0000
commit1e5b745129dbbc89f5b79156c6ea1582811eb080 (patch)
tree7b6caa9779a092d13b5007e4bf7fccee804a167c /src/lib.c
parentda93a2f8449f4795acc3a1f1a849d11b88f789b8 (diff)
downloadalpine-baselayout-1e5b745129dbbc89f5b79156c6ea1582811eb080.tar.bz2
alpine-baselayout-1e5b745129dbbc89f5b79156c6ea1582811eb080.tar.xz
init.d/syslog:
fix for vserver guest. ignoe if klogd fails to start or stop. init.d/bootmisc.sh: moved dmesg boot log to /var/run/dmesg.boot src/atomicio.c src/lib.c src/sendbug.c src/atomicio.h src/lib.h src/Makefile initial import of openbsd sendbug port Makefile: version 1.5.1
Diffstat (limited to 'src/lib.c')
-rw-r--r--src/lib.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/lib.c b/src/lib.c
new file mode 100644
index 0000000..03433c8
--- /dev/null
+++ b/src/lib.c
@@ -0,0 +1,183 @@
+/* $OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie Exp $ */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * Copyright (c) 2004 Ted Unangst and Todd Miller
+ * Copyright (c) 2007 Natanael Copa <natanael.copa@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+# define LLONG_MAX 9223372036854775807LL
+# define LLONG_MIN (-LLONG_MAX - 1LL)
+
+
+#define INVALID 1
+#define TOOSMALL 2
+#define TOOLARGE 3
+
+#include <sysexits.h>
+#include "lib.h"
+
+#ifndef HAVE_XREALLOC
+void *
+xrealloc(void *ptr, size_t size)
+{
+ ptr = realloc(ptr, size);
+ if (ptr == NULL)
+ err(EX_OSERR, "realloc");
+ return ptr;
+}
+#endif
+
+
+#ifndef HAVE_STRLCAT
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left). At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst, const char *src, size_t siz)
+{
+ char *d = dst;
+ const char *s = src;
+ size_t n = siz;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while (n-- != 0 && *d != '\0')
+ d++;
+ dlen = d - dst;
+ n = siz - dlen;
+
+ if (n == 0)
+ return(dlen + strlen(s));
+ while (*s != '\0') {
+ if (n != 1) {
+ *d++ = *s;
+ n--;
+ }
+ s++;
+ }
+ *d = '\0';
+
+ return(dlen + (s - src)); /* count does not include NUL */
+}
+#endif /* HAVE_STRLCAT */
+
+#ifdef HAVE_STRLCPY
+/*
+ * Copy src to string dst of size siz. At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+ char *d = dst;
+ const char *s = src;
+ size_t n = siz;
+
+ /* Copy as many bytes as will fit */
+ if (n != 0) {
+ while (--n != 0) {
+ if ((*d++ = *s++) == '\0')
+ break;
+ }
+ }
+
+ /* Not enough room in dst, add NUL and traverse rest of src */
+ if (n == 0) {
+ if (siz != 0)
+ *d = '\0'; /* NUL-terminate dst */
+ while (*s++)
+ ;
+ }
+
+ return(s - src - 1); /* count does not include NUL */
+}
+#endif /* HAVE_STRLCPY */
+
+#ifdef HAVE_STRTONUM
+long long
+strtonum(const char *numstr, long long minval, long long maxval,
+ const char **errstrp)
+{
+ long long ll = 0;
+ char *ep;
+ int error = 0;
+ struct errval {
+ const char *errstr;
+ int err;
+ } ev[4] = {
+ { NULL, 0 },
+ { "invalid", EINVAL },
+ { "too small", ERANGE },
+ { "too large", ERANGE },
+ };
+
+ ev[0].err = errno;
+ errno = 0;
+ if (minval > maxval)
+ error = INVALID;
+ else {
+ ll = strtoll(numstr, &ep, 10);
+ if (numstr == ep || *ep != '\0')
+ error = INVALID;
+ else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval)
+ error = TOOSMALL;
+ else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval)
+ error = TOOLARGE;
+ }
+ if (errstrp != NULL)
+ *errstrp = ev[error].errstr;
+ errno = ev[error].err;
+ if (error)
+ ll = 0;
+
+ return (ll);
+}
+#endif /* HAVE_STRTONUM */
+
+#ifndef HAVE_FGETLN
+char *fgetln(FILE *fh, size_t *len) {
+ int c, size = 0;
+ char *buf = NULL;
+ int i = 0;
+
+ while ((c = getc(fh)) != EOF) {
+ if (i >= size)
+ buf = xrealloc(buf, size += 128);
+ buf[i++] = (char) c;
+ if (c == '\n')
+ break;
+ }
+ if (buf) {
+ buf = xrealloc(buf, i + 1);
+ buf[i] = '\0';
+ }
+ if (len)
+ *len = i;
+ return buf;
+}
+#endif /* HAVE_FGETLN */