nginx: src/core/ngx_string.c comparison

ngx_atofp()

comparison

equal deleted inserted replaced

-:e2fa6caf3305
+:098100f5f54b
 return value;
 }
 }
+/* parse a fixed point number, e.g., ngx_atofp("10.5", 4, 2) returns 1050 */
+ngx_int_t
+ngx_atofp(u_char *line, size_t n, size_t point)
+{
+ngx_int_t   value;
+ngx_uint_t  dot;
+if (n == 0) {
+return NGX_ERROR;
+}
+dot = 0;
+for (value = 0; n--; line++) {
+if (point == 0) {
+return NGX_ERROR;
+}
+if (*line == '.') {
+if (dot) {
+return NGX_ERROR;
+}
+dot = 1;
+continue;
+}
+if (*line < '0' || *line > '9') {
+return NGX_ERROR;
+}
+value = value * 10 + (*line - '0');
+point -= dot;
+}
+while (point--) {
+value = value * 10;
+}
+if (value < 0) {
+return NGX_ERROR;
+} else {
+return value;
+}
+}
 ssize_t
 ngx_atosz(u_char *line, size_t n)
 {
 ssize_t  value;

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