84 lines
1.7 KiB
C
84 lines
1.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include "errormsg.h"
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/* compare two strings for euqality, ignoring text within square brackets */
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int ErrEqual(char *str1, char *str2)
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{
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char *p;
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while (*str1 != '\0' || *str2 != '\0') {
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if (*str1 != *str2) {
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return 0;
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}
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if (*str1 == '[') {
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str1 = strchr(str1, ']');
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str2 = strchr(str2, ']');
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if (str1 == NULL || str2 == NULL) {
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return str1 == str2;
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}
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}
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str1++;
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str2++;
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}
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return 1;
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}
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void ErrPutMsg(ErrList *list, char *fmt, ...)
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{
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ErrMsg *m = NULL;
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ErrMsg **last = NULL;
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va_list ap;
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char buf[256];
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char *text = NULL;
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int l;
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static long id = 0;
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va_start(ap, fmt);
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l = vsnprintf(buf, sizeof buf, fmt, ap);
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va_end(ap);
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if (l < sizeof buf) {
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text = buf;
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} else {
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/* assuming we have a C99 conforming snprintf and need a larger buffer */
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text = calloc(l, 1);
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if (!text) return;
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va_start(ap, fmt);
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vsnprintf(text, l, fmt, ap);
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va_end(ap);
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}
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last = &list->current;
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for (m = list->current; m != NULL; m = m->next) {
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if (ErrEqual(text, m->text)) {
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*last = m->next; /* remove found item from list */
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break;
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}
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last = &m->next;
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}
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if (m == NULL) { /* make a new item */
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if (text == buf)
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text = strdup(buf);
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m = calloc(1, sizeof(*m));
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m->text = text;
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m->cnt = 1;
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m->dirty = 0;
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id++;
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m->id = id;
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} else {
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if (text != buf)
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free(text);
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m->cnt++;
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}
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m->next = list->current;
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time(&m->last);
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list->current = m;
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}
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char *ErrGetLastMsg(ErrList *list) {
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if (list == NULL) return "";
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if (list->current == NULL) return "";
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return list->current->text;
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}
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