mirror of https://github.com/tailix/libclayer.git
71 lines
1.4 KiB
C
71 lines
1.4 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 <ctype.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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void 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 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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exit(EXIT_FAILURE);
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}
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void *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 = malloc(total_size);
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if (ptr) memset(ptr, 0, total_size);
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return ptr;
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}
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void 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 *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 *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 atoi(const char *str)
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{
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while (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 (isdigit(*str)) result = 10 * result - (*str++ - '0');
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return is_negative ? result : -result;
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}
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