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Annotation of nono/lib/mystring.cpp, revision 1.1

1.1     ! root        1: //
        !             2: // nono
        !             3: // Copyright (C) 2018 [email protected]
        !             4: //
        !             5: 
        !             6: #include "header.h"
        !             7: #include "mystring.h"
        !             8: 
        !             9: std::string
        !            10: string_format(const char *fmt, ...)
        !            11: {
        !            12:        va_list ap;
        !            13:        char *buf;
        !            14: 
        !            15:        va_start(ap, fmt);
        !            16:        vasprintf(&buf, fmt, ap);
        !            17:        va_end(ap);
        !            18:        std::string rv(buf);
        !            19:        free(buf);
        !            20: 
        !            21:        return rv;
        !            22: }
        !            23: 
        !            24: #if 0
        !            25: #include <cstdio>
        !            26: #include <sys/time.h>
        !            27: int main()
        !            28: {
        !            29:        std::string s0 = string_format("%d_%d", 0, 1);
        !            30:        if (s0 != "0_1") {
        !            31:                printf("error\n");
        !            32:                return 1;
        !            33:        }
        !            34:        timeval start, end, result;
        !            35:        gettimeofday(&start, NULL);
        !            36:        for (int i = 0; i < 100000; i++) {
        !            37:                std::string s = string_format("%d_%d", i, i);
        !            38:        }
        !            39:        gettimeofday(&end, NULL);
        !            40:        timersub(&end, &start, &result);
        !            41:        long long t = (result.tv_sec) * 1000000 + result.tv_usec;
        !            42:        printf("%d.%03d\n", (int)t / 1000, (int)t % 1000);
        !            43:        return 0;
        !            44: }
        !            45: #endif

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