67 lines
1.2 KiB
C
67 lines
1.2 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "util.h"
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void
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die(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
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fputc(' ', stderr);
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perror(NULL);
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} else {
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fputc('\n', stderr);
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}
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exit(1);
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}
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/*
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* Splits a string into segments according to a separator. A '\0' is written to
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* the end of every segment. The beginning of every segment is written to
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* 'pbegin'. Only the first 'maxcount' segments will be written if
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* maxcount > 0. Inspired by python's split.
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*
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* Used exclusively by fakesignal() to split arguments.
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*/
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size_t
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split(char *s, const char* sep, char **pbegin, size_t maxcount) {
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char *p, *q;
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const size_t seplen = strlen(sep);
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size_t count = 0;
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maxcount = maxcount == 0 ? (size_t)-1 : maxcount;
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p = s;
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while ((q = strstr(p, sep)) != NULL && count < maxcount) {
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pbegin[count] = p;
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*q = '\0';
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p = q + seplen;
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count++;
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}
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if (count < maxcount) {
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pbegin[count] = p;
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count++;
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}
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return count;
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}
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void *
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ecalloc(size_t nmemb, size_t size)
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{
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void *p;
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if (!(p = calloc(nmemb, size)))
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die("calloc:");
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return p;
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}
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