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rawnet - fix logging, add hexdump.

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This commit is contained in:
Kelvin Sherlock 2018-12-14 20:35:23 -05:00
parent 1b1983b64a
commit a8c23a4c2a
2 changed files with 32 additions and 1 deletions
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29
src/rawnet/rawnetsupp.c
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@ -149,3 +149,32 @@ unsigned long crc32_buf(const char *buffer, unsigned int len) {
return ~crc;
}
void rawnet_hexdump(unsigned char *what, int count ) {
static const char hex[] = "0123456789abcdef";
char buffer1[16 * 3 + 1];
char buffer2[16 + 1];
unsigned offset;
offset = 0;
while (count) {
unsigned char x = *what++;
buffer1[offset * 3] = hex[x >> 4];
buffer1[offset * 3 + 1] = hex[x & 0x0f];
buffer1[offset * 3 + 2] = ' ';
buffer2[offset] = isprint(x) ? x : '.';
--count;
++offset;
if (offset == 16 || count == 0) {
buffer1[offset * 3] = 0;
buffer2[offset] = 0;
fprintf(stderr, "%-50s %s\n", buffer1, buffer2);
offset = 0;
}
}
}

4
src/rawnet/rawnetsupp.h
View File

@ -52,5 +52,7 @@ extern int util_string_set(char **str, const char *new_value);
extern unsigned long crc32_buf(const char *buffer, unsigned int len);
#define log_message(level,...) fprintf(stderr,__VA_ARGS__)
void rawnet_hexdump(unsigned char *what, int count );
#define log_message(level,...) do { fprintf(stderr,__VA_ARGS__); fputs("\n", stderr); } while (0)
#endif