diff options
Diffstat (limited to 'src/H5MM.c')
| -rw-r--r-- | src/H5MM.c | 200 |
1 files changed, 99 insertions, 101 deletions
@@ -1,183 +1,181 @@ /*------------------------------------------------------------------------- - * Copyright (C) 1997 National Center for Supercomputing Applications. + * Copyright (C) 1997 National Center for Supercomputing Applications. * All rights reserved. * *------------------------------------------------------------------------- * - * Created: H5MM.c - * Jul 10 1997 - * Robb Matzke <matzke@llnl.gov> + * Created: H5MM.c + * Jul 10 1997 + * Robb Matzke <matzke@llnl.gov> * - * Purpose: Memory management functions. + * Purpose: Memory management functions. * - * Modifications: + * Modifications: * *------------------------------------------------------------------------- */ #include <H5private.h> #include <H5MMprivate.h> - /*------------------------------------------------------------------------- - * Function: H5MM_xmalloc + * Function: H5MM_xmalloc * - * Purpose: Just like malloc(3) except it aborts on an error. + * Purpose: Just like malloc(3) except it aborts on an error. * - * Return: Success: Ptr to new memory. + * Return: Success: Ptr to new memory. * - * Failure: abort() + * Failure: abort() * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jul 10 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 10 1997 * * Modifications: * *------------------------------------------------------------------------- */ -void * -H5MM_xmalloc (size_t size) +void * +H5MM_xmalloc(size_t size) { - void *mem = HDmalloc (size); - assert (mem); - return mem; + void *mem = HDmalloc(size); + assert(mem); + return mem; } - /*------------------------------------------------------------------------- - * Function: H5MM_xcalloc + * Function: H5MM_xcalloc * - * Purpose: Just like calloc(3) except it aborts on an error. + * Purpose: Just like calloc(3) except it aborts on an error. * - * Return: Success: Ptr to memory. + * Return: Success: Ptr to memory. * - * Failure: abort() + * Failure: abort() * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jul 10 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 10 1997 * * Modifications: * *------------------------------------------------------------------------- */ -void * -H5MM_xcalloc (size_t n, size_t size) +void * +H5MM_xcalloc(size_t n, size_t size) { - void *mem = HDcalloc (n, size); - assert (mem); - return mem; + void *mem = HDcalloc(n, size); + assert(mem); + return mem; } - /*------------------------------------------------------------------------- - * Function: H5MM_xrealloc + * Function: H5MM_xrealloc * - * Purpose: Just like the POSIX version of realloc(3) exept it aborts - * on an error. Specifically, the following calls are - * equivalent + * Purpose: Just like the POSIX version of realloc(3) exept it aborts + * on an error. Specifically, the following calls are + * equivalent * - * H5MM_xrealloc (NULL, size) <==> H5MM_xmalloc (size) - * H5MM_xrealloc (ptr, 0) <==> H5MM_xfree (ptr) - * H5MM_xrealloc (NULL, 0) <==> NULL + * H5MM_xrealloc (NULL, size) <==> H5MM_xmalloc (size) + * H5MM_xrealloc (ptr, 0) <==> H5MM_xfree (ptr) + * H5MM_xrealloc (NULL, 0) <==> NULL * - * Return: Success: Ptr to new memory or NULL if the memory - * was freed. + * Return: Success: Ptr to new memory or NULL if the memory + * was freed. * - * Failure: abort() + * Failure: abort() * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jul 10 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 10 1997 * * Modifications: * *------------------------------------------------------------------------- */ -void * -H5MM_xrealloc (void *mem, size_t size) +void * +H5MM_xrealloc(void *mem, size_t size) { - if (!mem) { - if (0==size) return NULL; - mem = H5MM_xmalloc (size); - - } else if (0==size) { - mem = H5MM_xfree (mem); + if (!mem) { + if (0 == size) + return NULL; + mem = H5MM_xmalloc(size); - } else { - mem = HDrealloc (mem, size); - assert (mem); - } + } else if (0 == size) { + mem = H5MM_xfree(mem); - return mem; -} + } else { + mem = HDrealloc(mem, size); + assert(mem); + } + return mem; +} /*------------------------------------------------------------------------- - * Function: H5MM_strdup + * Function: H5MM_strdup * - * Purpose: Duplicates a string. If the string to be duplicated is the - * null pointer, then return null. If the string to be duplicated - * is the empty string then return a new empty string. + * Purpose: Duplicates a string. If the string to be duplicated is the + * null pointer, then return null. If the string to be duplicated + * is the empty string then return a new empty string. * - * Return: Success: Ptr to a new string (or null if no string). + * Return: Success: Ptr to a new string (or null if no string). * - * Failure: abort() + * Failure: abort() * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jul 10 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 10 1997 * * Modifications: * *------------------------------------------------------------------------- */ -char * -H5MM_xstrdup (const char *s) +char * +H5MM_xstrdup(const char *s) { - char *mem; + char *mem; - if (!s) return NULL; - mem = H5MM_xmalloc (HDstrlen (s)+1); - HDstrcpy (mem, s); - return mem; + if (!s) + return NULL; + mem = H5MM_xmalloc(HDstrlen(s) + 1); + HDstrcpy(mem, s); + return mem; } - /*------------------------------------------------------------------------- - * Function: H5MM_xfree + * Function: H5MM_xfree * - * Purpose: Just like free(3) except null pointers are allowed as - * arguments, and the return value (always NULL) can be - * assigned to the pointer whose memory was just freed: + * Purpose: Just like free(3) except null pointers are allowed as + * arguments, and the return value (always NULL) can be + * assigned to the pointer whose memory was just freed: * - * thing = H5MM_xfree (thing); + * thing = H5MM_xfree (thing); * - * Return: Success: NULL + * Return: Success: NULL * - * Failure: never fails + * Failure: never fails * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jul 10 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 10 1997 * * Modifications: * *------------------------------------------------------------------------- */ -void * -H5MM_xfree (const void *mem) +void * +H5MM_xfree(const void *mem) { - /* - * free(3) takes a non-const pointer as an argument even though - * conceptually the argument could be a constant because by time - * free() mucks with it's contents, it should already be free :-) - * Instead of passing a const arg to free, which generates a - * compiler warning, we cast it to a non-const arg first. With - * gcc, this results in a warning only if -Wcast-qual is turned on. - */ - void *non_const_mem = (void *)mem; - - if (mem) HDfree (non_const_mem); - return NULL; + /* + * free(3) takes a non-const pointer as an argument even though + * conceptually the argument could be a constant because by time + * free() mucks with it's contents, it should already be free :-) + * Instead of passing a const arg to free, which generates a + * compiler warning, we cast it to a non-const arg first. With + * gcc, this results in a warning only if -Wcast-qual is turned on. + */ + void *non_const_mem = (void *) mem; + + if (mem) + HDfree(non_const_mem); + return NULL; } |