76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
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/**
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* $Id: utils.c,v 1.1.1.1 2002/04/22 09:24:34 bursa Exp $
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*/
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "utils.h"
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void die(const char * const error)
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{
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fprintf(stderr, "Fatal: %s\n", error);
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exit(EXIT_FAILURE);
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}
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char * strip(char * const s)
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{
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size_t i;
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for (i = strlen(s); i != 0 && isspace(s[i-1]); i--)
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;
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s[i] = 0;
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return s + strspn(s, " \t\r\n");
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}
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int whitespace(const char * str)
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{
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unsigned int i;
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for (i = 0; i < strlen(str); i++)
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if (!isspace(str[i]))
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return 0;
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return 1;
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}
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void * xcalloc(const size_t n, const size_t size)
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{
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void * p = calloc(n, size);
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if (p == 0) die("Out of memory in xcalloc()");
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return p;
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}
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void * xrealloc(void * p, const size_t size)
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{
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p = realloc(p, size);
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if (p == 0) die("Out of memory in xrealloc()");
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return p;
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}
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char * xstrdup(const char * const s)
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{
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char * c = malloc(strlen(s) + 1);
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if (c == 0) die("Out of memory in xstrdup()");
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strcpy(c, s);
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return c;
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}
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#define CHUNK 0x100
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char * load(const char * const path)
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{
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FILE * fp = fopen(path, "r");
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unsigned int l = 0;
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char * buf = malloc(CHUNK);
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if (buf == 0) die("Out of memory in load()");
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while (1) {
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unsigned int i;
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for (i = 0; i != CHUNK && (buf[l] = fgetc(fp)) != EOF; i++, l++)
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;
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if (i != CHUNK) break;
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buf = xrealloc(buf, l + CHUNK);
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}
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buf[l] = 0;
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fclose(fp);
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return buf;
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}
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