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Merge xmalloc.[ch] files across base, skipping OpenSSH for now.
ok nicm
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47
xmalloc.c
47
xmalloc.c
@ -25,16 +25,13 @@
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#include "tmux.h"
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char *
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xstrdup(const char *s)
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xstrdup(const char *str)
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{
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char *ptr;
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size_t len;
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char *cp;
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len = strlen(s) + 1;
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ptr = xmalloc(len);
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strlcpy(ptr, s, len);
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return (ptr);
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if ((cp = strdup(str)) == NULL)
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fatal("xstrdup");
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return (cp);
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}
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void *
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@ -43,11 +40,9 @@ xcalloc(size_t nmemb, size_t size)
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void *ptr;
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if (size == 0 || nmemb == 0)
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fatalx("zero size");
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if (SIZE_MAX / nmemb < size)
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fatalx("nmemb * size > SIZE_MAX");
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fatalx("xcalloc: zero size");
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if ((ptr = calloc(nmemb, size)) == NULL)
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fatal("xcalloc failed");
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log_fatal("xcalloc: allocating %zu bytes", size);
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return (ptr);
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}
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@ -58,9 +53,9 @@ xmalloc(size_t size)
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void *ptr;
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if (size == 0)
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fatalx("zero size");
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fatalx("xmalloc: zero size");
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if ((ptr = malloc(size)) == NULL)
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fatal("xmalloc failed");
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log_fatal("xmalloc: allocating %zu bytes", size);
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return (ptr);
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}
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@ -71,9 +66,9 @@ xrealloc(void *oldptr, size_t newsize)
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void *newptr;
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if (newsize == 0)
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fatalx("zero size");
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fatalx("xrealloc: zero size");
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if ((newptr = realloc(oldptr, newsize)) == NULL)
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fatal("xrealloc failed");
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log_fatal("xrealloc: allocating %zu bytes", newsize);
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return (newptr);
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}
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@ -81,15 +76,13 @@ xrealloc(void *oldptr, size_t newsize)
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void *
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xreallocarray(void *oldptr, size_t nmemb, size_t size)
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{
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size_t newsize = nmemb * size;
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void *newptr;
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if (newsize == 0)
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fatalx("zero size");
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if (SIZE_MAX / nmemb < size)
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fatalx("nmemb * size > SIZE_MAX");
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if ((newptr = realloc(oldptr, newsize)) == NULL)
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fatal("xreallocarray failed");
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if (nmemb == 0 || size == 0)
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fatalx("xreallocarray: zero size");
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if ((newptr = reallocarray(oldptr, nmemb, size)) == NULL)
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log_fatal("xreallocarray: allocating %zu * %zu bytes",
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nmemb, size);
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return (newptr);
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}
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@ -114,7 +107,7 @@ xvasprintf(char **ret, const char *fmt, va_list ap)
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i = vasprintf(ret, fmt, ap);
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if (i < 0 || *ret == NULL)
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fatal("xvasprintf failed");
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fatal("xvasprintf");
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return (i);
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}
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@ -138,11 +131,11 @@ xvsnprintf(char *buf, size_t len, const char *fmt, va_list ap)
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int i;
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if (len > INT_MAX)
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fatalx("len > INT_MAX");
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fatalx("xvsnprintf: len > INT_MAX");
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i = vsnprintf(buf, len, fmt, ap);
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if (i < 0)
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fatal("vsnprintf failed");
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if (i < 0 || i >= (int)len)
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fatalx("xvsnprintf: overflow");
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return (i);
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}
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