Mercurial > hg > nginx-quic
view src/core/ngx_string.c @ 387:236611271946
nginx-0.0.7-2004-07-12-19:30:22 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 12 Jul 2004 15:30:22 +0000 |
parents | 8c5b69141dfd |
children | 37b5381fb6d8 |
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#include <ngx_config.h> #include <ngx_core.h> u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n) { if (n == 0) { return dst; } for (/* void */; --n; dst++, src++) { *dst = *src; if (*dst == '\0') { return dst; } } *dst = '\0'; return dst; } ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) { if (n == 0) { return 0; } n--; for ( ;; ) { if (s1[n] != s2[n]) { return s1[n] - s2[n]; } if (n == 0) { return 0; } n--; } } ngx_int_t ngx_atoi(u_char *line, size_t n) { ngx_int_t value; if (n == 0) { return NGX_ERROR; } for (value = 0; n--; line++) { if (*line < '0' || *line > '9') { return NGX_ERROR; } value = value * 10 + (*line - '0'); } if (value < 0) { return NGX_ERROR; } else { return value; } } ngx_int_t ngx_hextoi(u_char *line, size_t n) { u_char ch; ngx_int_t value; if (n == 0) { return NGX_ERROR; } for (value = 0; n--; line++) { ch = *line; if (ch >= '0' && ch <= '9') { value = value * 16 + (ch - '0'); continue; } if (ch >= 'A' && ch <= 'F') { value = value * 16 + (ch - 'A' + 10); continue; } if (ch >= 'a' && ch <= 'f') { value = value * 16 + (ch - 'a' + 10); continue; } return NGX_ERROR; } if (value < 0) { return NGX_ERROR; } else { return value; } } void ngx_md5_text(u_char *text, u_char *md5) { int i; static u_char hex[] = "0123456789abcdef"; for (i = 0; i < 16; i++) { *text++ = hex[md5[i] >> 4]; *text++ = hex[md5[i] & 0xf]; } *text = '\0'; } #if 0 char *ngx_psprintf(ngx_pool_t *p, const char *fmt, ...) { va_list args; va_start(args, fmt); while (*fmt) { switch(*fmt++) { case '%': switch(*fmt++) { case 's': s = va_arg(args, char *); n += ngx_strlen(s); break; default: n++; } default: n++; } } str = ngx_palloc(p, n); va_start(args, fmt); for (i = 0; i < n; i++) { switch(*fmt++) { case '%': switch(*fmt++) { case 's': s = va_arg(args, char *); while (str[i++] = s); break; default: n++; } default: str[i] = *fmt; } } len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args); va_end(args); } #endif