mirror of
https://github.com/YosysHQ/yosys
synced 2025-05-14 11:14:44 +00:00
86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
#include <string>
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#include <stdarg.h>
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#include "kernel/yosys_common.h"
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#ifndef YOSYS_IO_H
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#define YOSYS_IO_H
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YOSYS_NAMESPACE_BEGIN
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inline std::string vstringf(const char *fmt, va_list ap)
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{
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// For the common case of strings shorter than 128, save a heap
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// allocation by using a stack allocated buffer.
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const int kBufSize = 128;
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char buf[kBufSize];
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buf[0] = '\0';
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va_list apc;
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va_copy(apc, ap);
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int n = vsnprintf(buf, kBufSize, fmt, apc);
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va_end(apc);
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if (n < kBufSize)
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return std::string(buf);
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std::string string;
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char *str = NULL;
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#if defined(_WIN32) || defined(__CYGWIN__)
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int sz = 2 * kBufSize, rc;
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while (1) {
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va_copy(apc, ap);
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str = (char *)realloc(str, sz);
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rc = vsnprintf(str, sz, fmt, apc);
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va_end(apc);
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if (rc >= 0 && rc < sz)
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break;
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sz *= 2;
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}
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if (str != NULL) {
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string = str;
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free(str);
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}
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return string;
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#else
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if (vasprintf(&str, fmt, ap) < 0)
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str = NULL;
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if (str != NULL) {
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string = str;
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free(str);
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}
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return string;
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#endif
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}
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std::string stringf(const char *fmt, ...) YS_ATTRIBUTE(format(printf, 1, 2));
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inline std::string stringf(const char *fmt, ...)
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{
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std::string string;
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va_list ap;
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va_start(ap, fmt);
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string = vstringf(fmt, ap);
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va_end(ap);
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return string;
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}
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int readsome(std::istream &f, char *s, int n);
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std::string next_token(std::string &text, const char *sep = " \t\r\n", bool long_strings = false);
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std::vector<std::string> split_tokens(const std::string &text, const char *sep = " \t\r\n");
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bool patmatch(const char *pattern, const char *string);
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#if !defined(YOSYS_DISABLE_SPAWN)
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int run_command(const std::string &command, std::function<void(const std::string&)> process_line = std::function<void(const std::string&)>());
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#endif
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std::string get_base_tmpdir();
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std::string make_temp_file(std::string template_str = get_base_tmpdir() + "/yosys_XXXXXX");
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std::string make_temp_dir(std::string template_str = get_base_tmpdir() + "/yosys_XXXXXX");
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bool check_file_exists(const std::string& filename, bool is_exec = false);
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bool check_directory_exists(const std::string& dirname, bool is_exec = false);
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bool is_absolute_path(std::string filename);
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void remove_directory(std::string dirname);
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bool create_directory(const std::string& dirname);
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std::string escape_filename_spaces(const std::string& filename);
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YOSYS_NAMESPACE_END
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#endif // YOSYS_IO_H
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