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-rw-r--r--src/core/support/string.c350
1 files changed, 142 insertions, 208 deletions
diff --git a/src/core/support/string.c b/src/core/support/string.c
index 28207f5dc2..e0ffeb8a4a 100644
--- a/src/core/support/string.c
+++ b/src/core/support/string.c
@@ -42,215 +42,169 @@
#include <grpc/support/port_platform.h>
#include <grpc/support/useful.h>
-char *
-gpr_strdup (const char *src)
-{
+char *gpr_strdup(const char *src) {
char *dst;
size_t len;
- if (!src)
- {
- return NULL;
- }
+ if (!src) {
+ return NULL;
+ }
- len = strlen (src) + 1;
- dst = gpr_malloc (len);
+ len = strlen(src) + 1;
+ dst = gpr_malloc(len);
- memcpy (dst, src, len);
+ memcpy(dst, src, len);
return dst;
}
-typedef struct
-{
+typedef struct {
size_t capacity;
size_t length;
char *data;
} dump_out;
-static dump_out
-dump_out_create (void)
-{
- dump_out r = { 0, 0, NULL };
+static dump_out dump_out_create(void) {
+ dump_out r = {0, 0, NULL};
return r;
}
-static void
-dump_out_append (dump_out * out, char c)
-{
- if (out->length == out->capacity)
- {
- out->capacity = GPR_MAX (8, 2 * out->capacity);
- out->data = gpr_realloc (out->data, out->capacity);
- }
+static void dump_out_append(dump_out *out, char c) {
+ if (out->length == out->capacity) {
+ out->capacity = GPR_MAX(8, 2 * out->capacity);
+ out->data = gpr_realloc(out->data, out->capacity);
+ }
out->data[out->length++] = c;
}
-static void
-hexdump (dump_out * out, const char *buf, size_t len)
-{
+static void hexdump(dump_out *out, const char *buf, size_t len) {
static const char hex[16] = "0123456789abcdef";
- const gpr_uint8 *const beg = (const gpr_uint8 *) buf;
+ const gpr_uint8 *const beg = (const gpr_uint8 *)buf;
const gpr_uint8 *const end = beg + len;
const gpr_uint8 *cur;
- for (cur = beg; cur != end; ++cur)
- {
- if (cur != beg)
- dump_out_append (out, ' ');
- dump_out_append (out, hex[*cur >> 4]);
- dump_out_append (out, hex[*cur & 0xf]);
- }
+ for (cur = beg; cur != end; ++cur) {
+ if (cur != beg) dump_out_append(out, ' ');
+ dump_out_append(out, hex[*cur >> 4]);
+ dump_out_append(out, hex[*cur & 0xf]);
+ }
}
-static void
-asciidump (dump_out * out, const char *buf, size_t len)
-{
- const gpr_uint8 *const beg = (const gpr_uint8 *) buf;
+static void asciidump(dump_out *out, const char *buf, size_t len) {
+ const gpr_uint8 *const beg = (const gpr_uint8 *)buf;
const gpr_uint8 *const end = beg + len;
const gpr_uint8 *cur;
int out_was_empty = (out->length == 0);
- if (!out_was_empty)
- {
- dump_out_append (out, ' ');
- dump_out_append (out, '\'');
- }
- for (cur = beg; cur != end; ++cur)
- {
- dump_out_append (out, (char) (isprint (*cur) ? *(char *) cur : '.'));
- }
- if (!out_was_empty)
- {
- dump_out_append (out, '\'');
- }
+ if (!out_was_empty) {
+ dump_out_append(out, ' ');
+ dump_out_append(out, '\'');
+ }
+ for (cur = beg; cur != end; ++cur) {
+ dump_out_append(out, (char)(isprint(*cur) ? *(char *)cur : '.'));
+ }
+ if (!out_was_empty) {
+ dump_out_append(out, '\'');
+ }
}
-char *
-gpr_dump (const char *buf, size_t len, gpr_uint32 flags)
-{
- dump_out out = dump_out_create ();
- if (flags & GPR_DUMP_HEX)
- {
- hexdump (&out, buf, len);
- }
- if (flags & GPR_DUMP_ASCII)
- {
- asciidump (&out, buf, len);
- }
- dump_out_append (&out, 0);
+char *gpr_dump(const char *buf, size_t len, gpr_uint32 flags) {
+ dump_out out = dump_out_create();
+ if (flags & GPR_DUMP_HEX) {
+ hexdump(&out, buf, len);
+ }
+ if (flags & GPR_DUMP_ASCII) {
+ asciidump(&out, buf, len);
+ }
+ dump_out_append(&out, 0);
return out.data;
}
-char *
-gpr_dump_slice (gpr_slice s, gpr_uint32 flags)
-{
- return gpr_dump ((const char *) GPR_SLICE_START_PTR (s), GPR_SLICE_LENGTH (s), flags);
+char *gpr_dump_slice(gpr_slice s, gpr_uint32 flags) {
+ return gpr_dump((const char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s),
+ flags);
}
-int
-gpr_parse_bytes_to_uint32 (const char *buf, size_t len, gpr_uint32 * result)
-{
+int gpr_parse_bytes_to_uint32(const char *buf, size_t len, gpr_uint32 *result) {
gpr_uint32 out = 0;
gpr_uint32 new;
size_t i;
- if (len == 0)
- return 0; /* must have some bytes */
-
- for (i = 0; i < len; i++)
- {
- if (buf[i] < '0' || buf[i] > '9')
- return 0; /* bad char */
- new = 10 * out + (gpr_uint32) (buf[i] - '0');
- if (new < out)
- return 0; /* overflow */
- out = new;
- }
+ if (len == 0) return 0; /* must have some bytes */
+
+ for (i = 0; i < len; i++) {
+ if (buf[i] < '0' || buf[i] > '9') return 0; /* bad char */
+ new = 10 * out + (gpr_uint32)(buf[i] - '0');
+ if (new < out) return 0; /* overflow */
+ out = new;
+ }
*result = out;
return 1;
}
-void
-gpr_reverse_bytes (char *str, int len)
-{
+void gpr_reverse_bytes(char *str, int len) {
char *p1, *p2;
- for (p1 = str, p2 = str + len - 1; p2 > p1; ++p1, --p2)
- {
- char temp = *p1;
- *p1 = *p2;
- *p2 = temp;
- }
+ for (p1 = str, p2 = str + len - 1; p2 > p1; ++p1, --p2) {
+ char temp = *p1;
+ *p1 = *p2;
+ *p2 = temp;
+ }
}
-int
-gpr_ltoa (long value, char *string)
-{
+int gpr_ltoa(long value, char *string) {
int i = 0;
int neg = value < 0;
- if (value == 0)
- {
- string[0] = '0';
- string[1] = 0;
- return 1;
- }
-
- if (neg)
- value = -value;
- while (value)
- {
- string[i++] = (char) ('0' + value % 10);
- value /= 10;
- }
- if (neg)
- string[i++] = '-';
- gpr_reverse_bytes (string, i);
+ if (value == 0) {
+ string[0] = '0';
+ string[1] = 0;
+ return 1;
+ }
+
+ if (neg) value = -value;
+ while (value) {
+ string[i++] = (char)('0' + value % 10);
+ value /= 10;
+ }
+ if (neg) string[i++] = '-';
+ gpr_reverse_bytes(string, i);
string[i] = 0;
return i;
}
-char *
-gpr_strjoin (const char **strs, size_t nstrs, size_t * final_length)
-{
- return gpr_strjoin_sep (strs, nstrs, "", final_length);
+char *gpr_strjoin(const char **strs, size_t nstrs, size_t *final_length) {
+ return gpr_strjoin_sep(strs, nstrs, "", final_length);
}
-char *
-gpr_strjoin_sep (const char **strs, size_t nstrs, const char *sep, size_t * final_length)
-{
- const size_t sep_len = strlen (sep);
+char *gpr_strjoin_sep(const char **strs, size_t nstrs, const char *sep,
+ size_t *final_length) {
+ const size_t sep_len = strlen(sep);
size_t out_length = 0;
size_t i;
char *out;
- for (i = 0; i < nstrs; i++)
- {
- out_length += strlen (strs[i]);
- }
- out_length += 1; /* null terminator */
- if (nstrs > 0)
- {
- out_length += sep_len * (nstrs - 1); /* separators */
- }
- out = gpr_malloc (out_length);
+ for (i = 0; i < nstrs; i++) {
+ out_length += strlen(strs[i]);
+ }
+ out_length += 1; /* null terminator */
+ if (nstrs > 0) {
+ out_length += sep_len * (nstrs - 1); /* separators */
+ }
+ out = gpr_malloc(out_length);
out_length = 0;
- for (i = 0; i < nstrs; i++)
- {
- const size_t slen = strlen (strs[i]);
- if (i != 0)
- {
- memcpy (out + out_length, sep, sep_len);
- out_length += sep_len;
- }
- memcpy (out + out_length, strs[i], slen);
- out_length += slen;
+ for (i = 0; i < nstrs; i++) {
+ const size_t slen = strlen(strs[i]);
+ if (i != 0) {
+ memcpy(out + out_length, sep, sep_len);
+ out_length += sep_len;
}
+ memcpy(out + out_length, strs[i], slen);
+ out_length += slen;
+ }
out[out_length] = 0;
- if (final_length != NULL)
- {
- *final_length = out_length;
- }
+ if (final_length != NULL) {
+ *final_length = out_length;
+ }
return out;
}
@@ -259,83 +213,63 @@ gpr_strjoin_sep (const char **strs, size_t nstrs, const char *sep, size_t * fina
* str.
*
* Returns 1 and updates \a begin and \a end. Returns 0 otherwise. */
-static int
-slice_find_separator_offset (const gpr_slice str, const char *sep, const size_t read_offset, size_t * begin, size_t * end)
-{
+static int slice_find_separator_offset(const gpr_slice str, const char *sep,
+ const size_t read_offset, size_t *begin,
+ size_t *end) {
size_t i;
- const gpr_uint8 *str_ptr = GPR_SLICE_START_PTR (str) + read_offset;
- const size_t str_len = GPR_SLICE_LENGTH (str) - read_offset;
- const size_t sep_len = strlen (sep);
- if (str_len < sep_len)
- {
- return 0;
- }
-
- for (i = 0; i <= str_len - sep_len; i++)
- {
- if (memcmp (str_ptr + i, sep, sep_len) == 0)
- {
- *begin = read_offset;
- *end = read_offset + i;
- return 1;
- }
+ const gpr_uint8 *str_ptr = GPR_SLICE_START_PTR(str) + read_offset;
+ const size_t str_len = GPR_SLICE_LENGTH(str) - read_offset;
+ const size_t sep_len = strlen(sep);
+ if (str_len < sep_len) {
+ return 0;
+ }
+
+ for (i = 0; i <= str_len - sep_len; i++) {
+ if (memcmp(str_ptr + i, sep, sep_len) == 0) {
+ *begin = read_offset;
+ *end = read_offset + i;
+ return 1;
}
+ }
return 0;
}
-void
-gpr_slice_split (gpr_slice str, const char *sep, gpr_slice_buffer * dst)
-{
- const size_t sep_len = strlen (sep);
+void gpr_slice_split(gpr_slice str, const char *sep, gpr_slice_buffer *dst) {
+ const size_t sep_len = strlen(sep);
size_t begin, end;
- GPR_ASSERT (sep_len > 0);
-
- if (slice_find_separator_offset (str, sep, 0, &begin, &end) != 0)
- {
- do
- {
- gpr_slice_buffer_add_indexed (dst, gpr_slice_sub (str, begin, end));
- }
- while (slice_find_separator_offset (str, sep, end + sep_len, &begin, &end) != 0);
- gpr_slice_buffer_add_indexed (dst, gpr_slice_sub (str, end + sep_len, GPR_SLICE_LENGTH (str)));
- }
- else
- { /* no sep found, add whole input */
- gpr_slice_buffer_add_indexed (dst, gpr_slice_ref (str));
- }
+ GPR_ASSERT(sep_len > 0);
+
+ if (slice_find_separator_offset(str, sep, 0, &begin, &end) != 0) {
+ do {
+ gpr_slice_buffer_add_indexed(dst, gpr_slice_sub(str, begin, end));
+ } while (slice_find_separator_offset(str, sep, end + sep_len, &begin,
+ &end) != 0);
+ gpr_slice_buffer_add_indexed(
+ dst, gpr_slice_sub(str, end + sep_len, GPR_SLICE_LENGTH(str)));
+ } else { /* no sep found, add whole input */
+ gpr_slice_buffer_add_indexed(dst, gpr_slice_ref(str));
+ }
}
-void
-gpr_strvec_init (gpr_strvec * sv)
-{
- memset (sv, 0, sizeof (*sv));
-}
+void gpr_strvec_init(gpr_strvec *sv) { memset(sv, 0, sizeof(*sv)); }
-void
-gpr_strvec_destroy (gpr_strvec * sv)
-{
+void gpr_strvec_destroy(gpr_strvec *sv) {
size_t i;
- for (i = 0; i < sv->count; i++)
- {
- gpr_free (sv->strs[i]);
- }
- gpr_free (sv->strs);
+ for (i = 0; i < sv->count; i++) {
+ gpr_free(sv->strs[i]);
+ }
+ gpr_free(sv->strs);
}
-void
-gpr_strvec_add (gpr_strvec * sv, char *str)
-{
- if (sv->count == sv->capacity)
- {
- sv->capacity = GPR_MAX (sv->capacity + 8, sv->capacity * 2);
- sv->strs = gpr_realloc (sv->strs, sizeof (char *) * sv->capacity);
- }
+void gpr_strvec_add(gpr_strvec *sv, char *str) {
+ if (sv->count == sv->capacity) {
+ sv->capacity = GPR_MAX(sv->capacity + 8, sv->capacity * 2);
+ sv->strs = gpr_realloc(sv->strs, sizeof(char *) * sv->capacity);
+ }
sv->strs[sv->count++] = str;
}
-char *
-gpr_strvec_flatten (gpr_strvec * sv, size_t * final_length)
-{
- return gpr_strjoin ((const char **) sv->strs, sv->count, final_length);
+char *gpr_strvec_flatten(gpr_strvec *sv, size_t *final_length) {
+ return gpr_strjoin((const char **)sv->strs, sv->count, final_length);
}