Total Articles 180
[code]
#include <stdio.h> #include <string.h> static const int BUFSIZE = 4; void dump(char* p, int size) { for (int i = 0; i < size; i++) { unsigned char ch = *p; printf("%02X ", ch); p++; } printf("\n"); } int main() { char buf[BUFSIZE]; int res; memset(buf, 0xFF, BUFSIZE); res = snprintf(buf, BUFSIZE, "%s", "\n"); printf("res=%d ", res); dump(buf, BUFSIZE); memset(buf, 0xFF, BUFSIZE); res = snprintf(buf, BUFSIZE, "%s", "a\n"); printf("res=%d ", res); dump(buf, BUFSIZE); memset(buf, 0xFF, BUFSIZE); res = snprintf(buf, BUFSIZE, "%s", "ab\n"); printf("res=%d ", res); dump(buf, BUFSIZE); memset(buf, 0xFF, BUFSIZE); res = snprintf(buf, BUFSIZE, "%s", "abc\n"); printf("res=%d ", res); dump(buf, BUFSIZE); memset(buf, 0xFF, BUFSIZE); res = snprintf(buf, BUFSIZE, "%s", "abcd\n"); printf("res=%d ", res); dump(buf, BUFSIZE); return 0; }
[result]
res=1 0A 00 FF FF
res=2 61 0A 00 FF
res=3 61 62 0A 00
res=4 61 62 63 00
res=5 61 62 63 00
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