mirror of https://github.com/tailix/libclayer.git
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <libclayer.h>
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#include <libclayer/ctype.h>
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#include <libclayer/stdlib.h>
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#include <libclayer/string.h>
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#include <stdbool.h>
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void LIBCLAYER(exit)(const int status)
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{
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// Custom implementation
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libclayer.exit(status);
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}
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void LIBCLAYER(abort)()
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{
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// Custom implementation
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if (libclayer.abort) libclayer.abort();
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// Default implementation
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LIBCLAYER(exit)(EXIT_FAILURE);
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}
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void *LIBCLAYER(calloc)(const size_t nmemb, const size_t size)
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{
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// Custom implementation
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if (libclayer.calloc) return libclayer.calloc(nmemb, size);
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// Default implementation
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const size_t total_size = nmemb * size;
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if (!total_size) return NULL;
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if (total_size / nmemb != size) return NULL;
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void *const ptr = LIBCLAYER(malloc)(total_size);
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if (ptr) LIBCLAYER(memset)(ptr, 0, total_size);
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return ptr;
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}
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void LIBCLAYER(free)(void *const ptr)
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{
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// Custom implementation
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libclayer.free(ptr);
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}
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void *LIBCLAYER(malloc)(const size_t size)
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{
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// Custom implementation
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return libclayer.malloc(size);
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}
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void *LIBCLAYER(realloc)(void *const ptr, const size_t size)
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{
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// Custom implementation
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return libclayer.realloc(ptr, size);
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}
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int LIBCLAYER(atoi)(const char *str)
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{
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while (LIBCLAYER(isspace)(*str)) ++str;
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bool is_negative = false;
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switch (*str) {
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case '-': is_negative = true; // fall through
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case '+': ++str;
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}
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int result = 0;
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while (LIBCLAYER(isdigit)(*str)) result = 10 * result - (*str++ - '0');
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return is_negative ? result : -result;
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}
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