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Merge xmalloc.[ch] files across base, skipping OpenSSH for now.

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ok nicm
This commit is contained in:
tobias 2015-11-17 18:25:03 +00:00
parent 775fb562bd
commit d0505fd042
1 changed files with 20 additions and 27 deletions
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47
xmalloc.c
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@ -25,16 +25,13 @@
#include "tmux.h"
char *
xstrdup(const char *s)
xstrdup(const char *str)
{
char *ptr;
size_t len;
char *cp;
len = strlen(s) + 1;
ptr = xmalloc(len);
strlcpy(ptr, s, len);
return (ptr);
if ((cp = strdup(str)) == NULL)
fatal("xstrdup");
return (cp);
}
void *
@ -43,11 +40,9 @@ xcalloc(size_t nmemb, size_t size)
void *ptr;
if (size == 0 || nmemb == 0)
fatalx("zero size");
if (SIZE_MAX / nmemb < size)
fatalx("nmemb * size > SIZE_MAX");
fatalx("xcalloc: zero size");
if ((ptr = calloc(nmemb, size)) == NULL)
fatal("xcalloc failed");
log_fatal("xcalloc: allocating %zu bytes", size);
return (ptr);
}
@ -58,9 +53,9 @@ xmalloc(size_t size)
void *ptr;
if (size == 0)
fatalx("zero size");
fatalx("xmalloc: zero size");
if ((ptr = malloc(size)) == NULL)
fatal("xmalloc failed");
log_fatal("xmalloc: allocating %zu bytes", size);
return (ptr);
}
@ -71,9 +66,9 @@ xrealloc(void *oldptr, size_t newsize)
void *newptr;
if (newsize == 0)
fatalx("zero size");
fatalx("xrealloc: zero size");
if ((newptr = realloc(oldptr, newsize)) == NULL)
fatal("xrealloc failed");
log_fatal("xrealloc: allocating %zu bytes", newsize);
return (newptr);
}
@ -81,15 +76,13 @@ xrealloc(void *oldptr, size_t newsize)
void *
xreallocarray(void *oldptr, size_t nmemb, size_t size)
{
size_t newsize = nmemb * size;
void *newptr;
if (newsize == 0)
fatalx("zero size");
if (SIZE_MAX / nmemb < size)
fatalx("nmemb * size > SIZE_MAX");
if ((newptr = realloc(oldptr, newsize)) == NULL)
fatal("xreallocarray failed");
if (nmemb == 0 || size == 0)
fatalx("xreallocarray: zero size");
if ((newptr = reallocarray(oldptr, nmemb, size)) == NULL)
log_fatal("xreallocarray: allocating %zu * %zu bytes",
nmemb, size);
return (newptr);
}
@ -114,7 +107,7 @@ xvasprintf(char **ret, const char *fmt, va_list ap)
i = vasprintf(ret, fmt, ap);
if (i < 0 || *ret == NULL)
fatal("xvasprintf failed");
fatal("xvasprintf");
return (i);
}
@ -138,11 +131,11 @@ xvsnprintf(char *buf, size_t len, const char *fmt, va_list ap)
int i;
if (len > INT_MAX)
fatalx("len > INT_MAX");
fatalx("xvsnprintf: len > INT_MAX");
i = vsnprintf(buf, len, fmt, ap);
if (i < 0)
fatal("vsnprintf failed");
if (i < 0 || i >= (int)len)
fatalx("xvsnprintf: overflow");
return (i);
}