| // |
| // Copyright 2020 Serge Martin |
| // |
| // 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. |
| // |
| // Extract from Serge's printf clover code by airlied. |
| |
| #include "u_printf.h" |
| |
| size_t util_printf_next_spec_pos(const std::string &s, size_t pos) |
| { |
| size_t next_tok, spec_pos; |
| do { |
| pos = s.find_first_of('%', pos); |
| |
| if (pos == std::string::npos) |
| return -1; |
| |
| if (s[pos + 1] == '%') { |
| pos += 2; |
| continue; |
| } |
| |
| next_tok = s.find_first_of('%', pos + 1); |
| spec_pos = s.find_first_of("cdieEfFgGaAosuxXp", pos + 1); |
| if (spec_pos != std::string::npos) |
| if (spec_pos < next_tok) |
| return spec_pos; |
| |
| pos++; |
| } while (1); |
| } |
| |
| size_t util_printf_next_spec_pos(const char *str, size_t pos) |
| { |
| return util_printf_next_spec_pos(std::string(str), pos); |
| } |