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author | Cem Keylan <cem@ckyln.com> | 2020-10-16 17:47:01 +0300 |
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committer | Cem Keylan <cem@ckyln.com> | 2020-10-16 17:47:01 +0300 |
commit | 5d69c6a2661bba0a22f3ecfd517e2e9767a38346 (patch) | |
tree | 1f479b2714e127835db7f33a3bfed4c38c52f883 /usr.bin/diff/xmalloc.c | |
parent | e2abcdca396661cbe0ae2ddb13d5c2b85682c13a (diff) | |
download | otools-5d69c6a2661bba0a22f3ecfd517e2e9767a38346.tar.gz |
add tools
Diffstat (limited to 'usr.bin/diff/xmalloc.c')
-rw-r--r-- | usr.bin/diff/xmalloc.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/usr.bin/diff/xmalloc.c b/usr.bin/diff/xmalloc.c new file mode 100644 index 0000000..ce0f454 --- /dev/null +++ b/usr.bin/diff/xmalloc.c @@ -0,0 +1,85 @@ +/* $OpenBSD: xmalloc.c,v 1.10 2019/06/28 05:44:09 deraadt Exp $ */ +/* + * Author: Tatu Ylonen <ylo@cs.hut.fi> + * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + * All rights reserved + * Versions of malloc and friends that check their results, and never return + * failure (they call fatal if they encounter an error). + * + * As far as I am concerned, the code I have written for this software + * can be used freely for any purpose. Any derived versions of this + * software must be clearly marked as such, and if the derived work is + * incompatible with the protocol description in the RFC file, it must be + * called by a name other than "ssh" or "Secure Shell". + */ + +#include <err.h> +#include <stdarg.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "xmalloc.h" + +void * +xmalloc(size_t size) +{ + void *ptr; + + if (size == 0) + errx(2, "xmalloc: zero size"); + ptr = malloc(size); + if (ptr == NULL) + err(2, "xmalloc: allocating %zu bytes", size); + return ptr; +} + +void * +xcalloc(size_t nmemb, size_t size) +{ + void *ptr; + + ptr = calloc(nmemb, size); + if (ptr == NULL) + err(2, "xcalloc: allocating %zu * %zu bytes", nmemb, size); + return ptr; +} + +void * +xreallocarray(void *ptr, size_t nmemb, size_t size) +{ + void *new_ptr; + + new_ptr = reallocarray(ptr, nmemb, size); + if (new_ptr == NULL) + err(2, "xreallocarray: allocating %zu * %zu bytes", + nmemb, size); + return new_ptr; +} + +char * +xstrdup(const char *str) +{ + char *cp; + + if ((cp = strdup(str)) == NULL) + err(2, "xstrdup"); + return cp; +} + +int +xasprintf(char **ret, const char *fmt, ...) +{ + va_list ap; + int i; + + va_start(ap, fmt); + i = vasprintf(ret, fmt, ap); + va_end(ap); + + if (i == -1) + err(2, "xasprintf"); + + return i; +} |