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#define GIT__NO_HIDE_MALLOC
#include "common.h"
#include <stdarg.h>
#include <stdio.h>
void *git__malloc(size_t n)
{
void *r = malloc(n);
if (!r)
return git_ptr_error(GIT_ENOMEM);
return r;
}
void *git__calloc(size_t a, size_t b)
{
void *r = calloc(a, b);
if (!r)
return git_ptr_error(GIT_ENOMEM);
return r;
}
char *git__strdup(const char *s)
{
char *r = strdup(s);
if (!s)
return git_ptr_error(GIT_ENOMEM);
return r;
}
int git__fmt(char *buf, size_t buf_sz, const char *fmt, ...)
{
va_list va;
int r;
va_start(va, fmt);
r = vsnprintf(buf, buf_sz, fmt, va);
va_end(va);
if (r < 0 || ((size_t) r) >= buf_sz)
return GIT_ERROR;
return r;
}
int git__prefixcmp(const char *str, const char *prefix)
{
for (;;) {
char p = *(prefix++), s;
if (!p)
return 0;
if ((s = *(str++)) != p)
return s - p;
}
}
int git__suffixcmp(const char *str, const char *suffix)
{
size_t a = strlen(str);
size_t b = strlen(suffix);
if (a < b)
return -1;
return strcmp(str + (a - b), suffix);
}
int git__dirname(char *dir, size_t n, char *path)
{
char *s;
size_t len;
assert(dir && n > 1);
if (!path || !*path || (s = strrchr(path, '/')) == NULL) {
strcpy(dir, ".");
return 1;
}
if (s == path) { /* "/[aaa]" */
strcpy(dir, "/");
return 1;
}
if ((len = s - path) >= n)
return GIT_ERROR;
memcpy(dir, path, len);
dir[len] = '\0';
return len;
}
int git__basename(char *base, size_t n, char *path)
{
char *s;
size_t len;
assert(base && n > 1);
if (!path || !*path) {
strcpy(base, ".");
return 1;
}
len = strlen(path);
if ((s = strrchr(path, '/')) == NULL) {
if (len >= n)
return GIT_ERROR;
strcpy(base, path);
return len;
}
if (s == path && len == 1) { /* "/" */
strcpy(base, "/");
return 1;
}
len -= s - path;
if (len >= n)
return GIT_ERROR;
memcpy(base, s+1, len);
base[len] = '\0';
return len;
}
void git__hexdump(const char *buffer, size_t len)
{
static const size_t LINE_WIDTH = 16;
size_t line_count, last_line, i, j;
const char *line;
line_count = (len / LINE_WIDTH);
last_line = (len % LINE_WIDTH);
for (i = 0; i < line_count; ++i) {
line = buffer + (i * LINE_WIDTH);
for (j = 0; j < LINE_WIDTH; ++j, ++line)
printf("%02X ", (unsigned char)*line & 0xFF);
printf("| ");
line = buffer + (i * LINE_WIDTH);
for (j = 0; j < LINE_WIDTH; ++j, ++line)
printf("%c", (*line >= 32 && *line <= 126) ? *line : '.');
printf("\n");
}
if (last_line > 0) {
line = buffer + (line_count * LINE_WIDTH);
for (j = 0; j < last_line; ++j, ++line)
printf("%02X ", (unsigned char)*line & 0xFF);
for (j = 0; j < (LINE_WIDTH - last_line); ++j)
printf(" ");
printf("| ");
line = buffer + (line_count * LINE_WIDTH);
for (j = 0; j < last_line; ++j, ++line)
printf("%c", (*line >= 32 && *line <= 126) ? *line : '.');
printf("\n");
}
printf("\n");
}
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