diff options
Diffstat (limited to 'vere/ext/nasm/stdlib')
| -rw-r--r-- | vere/ext/nasm/stdlib/snprintf.c | 26 | ||||
| -rw-r--r-- | vere/ext/nasm/stdlib/strlcpy.c | 51 | ||||
| -rw-r--r-- | vere/ext/nasm/stdlib/strnlen.c | 45 | ||||
| -rw-r--r-- | vere/ext/nasm/stdlib/strrchrnul.c | 49 | ||||
| -rw-r--r-- | vere/ext/nasm/stdlib/vsnprintf.c | 46 |
5 files changed, 217 insertions, 0 deletions
diff --git a/vere/ext/nasm/stdlib/snprintf.c b/vere/ext/nasm/stdlib/snprintf.c new file mode 100644 index 0000000..e4a1c0b --- /dev/null +++ b/vere/ext/nasm/stdlib/snprintf.c @@ -0,0 +1,26 @@ +/* + * snprintf() + * + * Implement snprintf() in terms of vsnprintf() + */ + +#include "compiler.h" + + +#include "nasmlib.h" + +#if !defined(HAVE_SNPRINTF) && !defined(HAVE__SNPRINTF) + +int snprintf(char *str, size_t size, const char *format, ...) +{ + va_list ap; + int rv; + + va_start(ap, format); + rv = vsnprintf(str, size, format, ap); + va_end(ap); + + return rv; +} + +#endif diff --git a/vere/ext/nasm/stdlib/strlcpy.c b/vere/ext/nasm/stdlib/strlcpy.c new file mode 100644 index 0000000..22d9ccf --- /dev/null +++ b/vere/ext/nasm/stdlib/strlcpy.c @@ -0,0 +1,51 @@ +/* + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.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 "compiler.h" + +/* + * 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. + */ +#ifndef HAVE_STRLCPY + +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 diff --git a/vere/ext/nasm/stdlib/strnlen.c b/vere/ext/nasm/stdlib/strnlen.c new file mode 100644 index 0000000..193245e --- /dev/null +++ b/vere/ext/nasm/stdlib/strnlen.c @@ -0,0 +1,45 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 1996-2016 The NASM Authors - All Rights Reserved + * See the file AUTHORS included with the NASM distribution for + * the specific copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following + * conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + * + * ----------------------------------------------------------------------- */ + +#include "compiler.h" + +#ifndef HAVE_STRNLEN + +size_t strnlen(const char *s, size_t maxlen) +{ + const char *end = memchr(s, 0, maxlen); + + return end ? (size_t)(end - s) : maxlen; +} + +#endif diff --git a/vere/ext/nasm/stdlib/strrchrnul.c b/vere/ext/nasm/stdlib/strrchrnul.c new file mode 100644 index 0000000..2fc8eb6 --- /dev/null +++ b/vere/ext/nasm/stdlib/strrchrnul.c @@ -0,0 +1,49 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2017 The NASM Authors - All Rights Reserved + * See the file AUTHORS included with the NASM distribution for + * the specific copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following + * conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + * + * ----------------------------------------------------------------------- */ + +#include "compiler.h" + +#ifndef HAVE_STRRCHRNUL + +char *strrchrnul(const char *s, int c) +{ + char *p; + + p = strrchr(s, c); + if (!p) + p = strchr(s, '\0'); + + return p; +} + +#endif diff --git a/vere/ext/nasm/stdlib/vsnprintf.c b/vere/ext/nasm/stdlib/vsnprintf.c new file mode 100644 index 0000000..58de651 --- /dev/null +++ b/vere/ext/nasm/stdlib/vsnprintf.c @@ -0,0 +1,46 @@ +/* + * vsnprintf() + * + * Poor substitute for a real vsnprintf() function for systems + * that don't have them... + */ + +#include "compiler.h" + + +#include "nasmlib.h" +#include "error.h" + +#if !defined(HAVE_VSNPRINTF) && !defined(HAVE__VSNPRINTF) + +#define BUFFER_SIZE 65536 /* Bigger than any string we might print... */ + +static char snprintf_buffer[BUFFER_SIZE]; + +int vsnprintf(char *str, size_t size, const char *format, va_list ap) +{ + int rv, bytes; + + if (size > BUFFER_SIZE) { + nasm_panic("vsnprintf: size (%llu) > BUFFER_SIZE (%d)", + (unsigned long long)size, BUFFER_SIZE); + size = BUFFER_SIZE; + } + + rv = vsprintf(snprintf_buffer, format, ap); + if (rv >= BUFFER_SIZE) + nasm_panic("vsnprintf buffer overflow"); + + if (size > 0) { + if ((size_t)rv < size-1) + bytes = rv; + else + bytes = size-1; + memcpy(str, snprintf_buffer, bytes); + str[bytes] = '\0'; + } + + return rv; +} + +#endif |