mirror of
https://github.com/nginx/nginx.git
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137 lines
2.1 KiB
C
137 lines
2.1 KiB
C
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#include <ngx_config.h>
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#include <ngx_core.h>
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char *ngx_cpystrn(char *dst, char *src, size_t n)
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{
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if (n == 0) {
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return dst;
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}
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for (/* void */; --n; dst++, src++) {
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*dst = *src;
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if (*dst == '\0') {
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return dst;
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}
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}
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*dst = '\0';
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return dst;
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}
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int ngx_rstrncmp(char *s1, char *s2, size_t n)
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{
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if (n == 0) {
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return 0;
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}
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n--;
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for ( ;; ) {
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if (s1[n] != s2[n]) {
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return (u_char) s1[n] - (u_char) s2[n];
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}
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if (n == 0) {
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return 0;
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}
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n--;
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}
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}
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int ngx_atoi(char *line, size_t n)
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{
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int value;
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if (n == 0) {
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return NGX_ERROR;
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}
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for (value = 0; n--; line++) {
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if (*line < '0' || *line > '9') {
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return NGX_ERROR;
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}
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value = value * 10 + (*line - '0');
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}
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if (value < 0) {
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return NGX_ERROR;
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} else {
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return value;
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}
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}
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void ngx_md5_text(char *text, u_char *md5)
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{
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int i;
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static char hex[] = "0123456789abcdef";
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for (i = 0; i < 16; i++) {
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*text++ = hex[md5[i] >> 4];
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*text++ = hex[md5[i] & 0xf];
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}
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*text = '\0';
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}
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#if 0
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char *ngx_psprintf(ngx_pool_t *p, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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while (*fmt) {
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switch(*fmt++) {
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case '%':
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switch(*fmt++) {
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case 's':
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s = va_arg(args, char *);
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n += ngx_strlen(s);
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break;
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default:
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n++;
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}
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default:
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n++;
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}
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}
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str = ngx_palloc(p, n);
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va_start(args, fmt);
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for (i = 0; i < n; i++) {
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switch(*fmt++) {
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case '%':
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switch(*fmt++) {
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case 's':
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s = va_arg(args, char *);
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while (str[i++] = s);
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break;
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default:
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n++;
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}
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default:
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str[i] = *fmt;
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}
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}
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len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args);
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va_end(args);
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}
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#endif
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