/* * Simple C functions to supplement the C library * * Copyright (c) 2006 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */#include "qemu-common.h"void pstrcpy(char *buf, int buf_size, const char *str){    int c;    char *q = buf;    if (buf_size <= 0)        return;    for(;;) {        c = *str++;        if (c == 0 || q >= buf + buf_size - 1)            break;        *q++ = c;    }    *q = '\0';}/* strcat and truncate. */char *pstrcat(char *buf, int buf_size, const char *s){    int len;    len = strlen(buf);    if (len < buf_size)        pstrcpy(buf + len, buf_size - len, s);    return buf;}int strstart(const char *str, const char *val, const char **ptr){    const char *p, *q;    p = str;    q = val;    while (*q != '\0') {        if (*p != *q)            return 0;        p++;        q++;    }    if (ptr)        *ptr = p;    return 1;}int stristart(const char *str, const char *val, const char **ptr){    const char *p, *q;    p = str;    q = val;    while (*q != '\0') {        if (toupper(*p) != toupper(*q))            return 0;        p++;        q++;    }    if (ptr)        *ptr = p;    return 1;}time_t mktimegm(struct tm *tm){    time_t t;    int y = tm->tm_year + 1900, m = tm->tm_mon + 1, d = tm->tm_mday;    if (m < 3) {        m += 12;        y--;    }    t = 86400 * (d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 +                  y / 400 - 719469);    t += 3600 * tm->tm_hour + 60 * tm->tm_min + tm->tm_sec;    return t;}