buildup to an improved improved bake
This commit is contained in:
parent
4c96d993fa
commit
36966c119d
@ -4,7 +4,7 @@
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TARGET=${TARGET:-/usr/local}
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INSTALL=${INSTALL:-bake shake}
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cd $(dirname "$(readlink -f "$0")")
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cd $(dirname "$(readlink -f "$0")")/src
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chmod +x shake
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./shake bake.c -s $@ && \
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@ -1,7 +1,5 @@
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/* @BAKE cc -std=c99 -O2 -Wall -Wextra -Wpedantic -Wno-implicit-fallthrough -o @SHORT @FILENAME @ARGS @STOP */
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/* @BAKE cc -std=c99 -O2 -Wall -Wextra -Wpedantic -Wno-implicit-fallthrough -o '@{\} @{\}@SHORT\}}' @FILENAME @ARGS @STOP */
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/* @BAKE cc -std=c99 -O2 -Wall -Wextra -Wpedantic -Wno-implicit-fallthrough -o '@{\}}' @FILENAME @ARGS @STOP */
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/* @BAKE cc -std=c99 -O2 -Wall -Wextra -Wpedantic -Wno-implicit-fallthrough -o '@{a}' @FILENAME @ARGS @STOP */
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/* @BAKE cc -std=c99 -O2 -Wall -Wextra -Wpedantic -Wno-implicit-fallthrough -o @SHORT $+ @STOP */
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#define _GNU_SOURCE
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#include <ctype.h>
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@ -364,6 +362,7 @@ int main (int argc, char ** argv) {
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if (!WIFEXITED (run)) {
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return 1;
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}
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return WEXITSTATUS (run);
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}
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192
source/bake2.c
Normal file
192
source/bake2.c
Normal file
@ -0,0 +1,192 @@
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/* @BAKE cc -I. -std=c99 -O2 -Wall -Wextra -Wpedantic -Wno-parentheses -Wno-implicit-fallthrough -o @SHORT sds.c @FILENAME @ARGS @STOP */
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#define _GNU_SOURCE
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <sds.h>
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#define ARRLEN(x) (sizeof (x) / sizeof (x [0]))
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#define START "@" "BAKE" " "
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#define STOP "@" "STOP"
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#define ENABLE_COLOR 1
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#include "color.h"
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static int map(char * filename, char ** buffer, size_t * buffer_length) {
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int err = 0, fd = open(filename, O_RDONLY);
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if (fd != -1) {
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struct stat s;
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if (!fstat(fd, &s) && s.st_mode & S_IFREG && s.st_size) {
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*buffer_length = (size_t) s.st_size;
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*buffer = (char *) mmap(NULL, s.st_size, PROT_READ, MAP_SHARED, fd, 0);
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} else {
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err = 1;
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}
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close(fd);
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}
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return err;
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}
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void root(const char * filename) {
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char * string = strdupa(filename), * terminator = strrchr(string, '/');
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if (terminator) {
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terminator = '\0';
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chdir(string);
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}
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}
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void err(char * msg) { fprintf(stderr, "%s\n", msg); abort(); }
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void help(void) { abort(); }
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void selection_list(char * buffer, size_t buffer_length, sds ** rlist, size_t * rlist_length) {
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sds * list = malloc(0);
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size_t list_length = 0;
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char * search = buffer;
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char * start;
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while (start = memmem(search, buffer_length, START, strlen(START))) {
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buffer_length -= start - buffer + strlen(START);
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search = start + strlen(START);
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char * end = memmem(search, buffer_length, STOP, strlen(STOP));
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if (!end) { end = memchr(search, '\n', buffer_length);}
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if (start && end) {
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list = realloc(list, ++list_length * sizeof(sds));
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list[list_length-1] = sdsnewlen(start,end-start);
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}
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}
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*rlist = list;
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*rlist_length = list_length;
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}
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int main(int argc, char ** argv) {
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char * filename = NULL;
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int run = 1, select = 0, olist = 0;
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for (int off = 1; off < argc; ++off) {
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if (argv [off][0] != '-') { filename = argv [off]; ++off; break; }
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if (argv [off][1] != '-') {
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while (*(++argv [off]))
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switch (argv [off][0]) {
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select: case 's':
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select = atoi(argv [off] + 1);
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if (!select) {
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++off;
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if (off >= argc) { help(); }
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select = atoi(argv [off]);
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}
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if (select) { goto next; }
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default: case 'h': help();
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case 'l': olist = 1;
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case 'n': run = 0; break;
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/* case 'c': color = 0; break; */
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/* case 'x': ex = 1; break; */
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case 'q': fclose(stderr); fclose(stdout); break;
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}
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continue;
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}
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argv[off] += 2;
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if (strcmp(argv[off], "select") == 0) { goto select; }
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else if (strcmp(argv[off], "list") == 0) { olist = 1; run = 0; }
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else if (strcmp(argv[off], "dry-run") == 0) { run = 0; }
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/* else if (strcmp(argv[off], "color") == 0) { color = 0; } */
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/* else if (strcmp(argv[off], "expunge") == 0) { ex = 1; } */
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else if (strcmp(argv[off], "quiet") == 0) { fclose(stderr); fclose(stdout); }
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else if (strcmp(argv[off], "help") == 0) { help(); }
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next:;
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}
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if (argc == 1 || !filename) { help(); }
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root(filename);
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char * buffer = NULL;
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size_t buffer_length = 0;
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if (map(filename, &buffer, &buffer_length) || !buffer) { err("Could not access file"); }
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/* select */
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sds * list;
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size_t list_length;
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selection_list(buffer, buffer_length, &list, &list_length);
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if (olist) {
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for (size_t i = 0; i < list_length; ++i) {
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printf("%s\n", list[i]);
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}}
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for (size_t i = 0; i < list_length; ++i) {
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if (olist || (size_t) select != i) { sdsfree(list[i]); }
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}
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sds command = list[select];
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free(list);
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if (olist) { return 0; }
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/* expand */
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char * macro [] = {
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"$*",
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"$+",
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"$@",
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"@ARGS",
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"@FILE",
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"@FILENAME",
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"@LINE"
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"@SHORT",
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};
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char * search;
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size_t search_length = sdslen(command);
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for (size_t i = 0; i < ARRLEN(macro); ++i) {
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search = command;
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while (search = memmem(search, search_length, macro[i], strlen(macro[i]))) {
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search += strlen(macro[i]);
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printf("Found %s\n", macro[i]);
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}
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}
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/* execute */
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printf("command: '%s'\n", command);
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sdsfree(command);
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if (!run) { return 0; }
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fprintf (stderr, GREEN "output" RESET ":\n");
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pid_t pid;
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if ((pid = fork ()) == 0) {
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execl ("/bin/sh", "sh", "-c", command, NULL);
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return 0; /* execl overwrites the process anyways */
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}
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if (pid == -1) {
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fprintf (stderr, GREEN "%s" RESET ": %s, %s\n", argv [0], "Fork Error", strerror (errno));
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return 1;
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}
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/* reuse of run as status return */
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if (waitpid (pid, &run, 0) < 0) {
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fprintf (stderr, GREEN "%s" RESET ": " RED "%s" RESET ", %s\n", argv [0], "Wait PID Error", strerror (errno));
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return 1;
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}
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if (!WIFEXITED (run)) {
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return 1;
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}
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return WEXITSTATUS (run);
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}
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56
source/color.h
Normal file
56
source/color.h
Normal file
@ -0,0 +1,56 @@
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/* static int color = ENABLE_COLOR; */
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#if ENABLE_COLOR
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# define RED "\033[91m"
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# define GREEN "\033[92m"
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# define YELLOW "\033[93m"
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# define BOLD "\033[1m"
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# define RESET "\033[0m"
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#else
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# define RED
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# define GREEN
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# define YELLOW
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# define BOLD
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# define RESET
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#endif
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#if 0
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# define color_printf(...) color_fprintf (stdout, __VA_ARGS__)
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/* not perfect, too simple, doesn't work with a var, only a literal. */
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# define color_fputs(fp, msg) color_fprintf (fp, msg "\n")
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# define color_puts(msg) color_fputs (stdout, msg)
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static void
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color_fprintf (FILE * fp, char * format, ...) {
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va_list ap;
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char * buf;
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va_start (ap, format);
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if (color) {
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vfprintf (fp, format, ap);
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va_end (ap);
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return;
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}
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vasprintf (&buf, format, ap);
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if (buf) {
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/* char * expanded, * colors [] = { */
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/* YELLOW, "", */
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/* GREEN, "", */
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/* RED, "", */
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/* BOLD, "", */
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/* RESET, "" */
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/* }; */
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/* size_t count = ARRLEN (colors); */
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/* expanded = expand (buf, strlen (buf), colors, count - 2); */
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/* expanded = expand (expanded, strlen (buf), colors + count - 2, 2); */
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/* fwrite (expanded, strlen (expanded), 1, fp); */
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}
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free (buf);
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va_end (ap);
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}
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#endif
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1328
source/sds.c
Normal file
1328
source/sds.c
Normal file
File diff suppressed because it is too large
Load Diff
274
source/sds.h
Normal file
274
source/sds.h
Normal file
@ -0,0 +1,274 @@
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/* SDSLib 2.0 -- A C dynamic strings library
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*
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* Copyright (c) 2006-2015, Salvatore Sanfilippo <antirez at gmail dot com>
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* Copyright (c) 2015, Oran Agra
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* Copyright (c) 2015, Redis Labs, Inc
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __SDS_H
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#define __SDS_H
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#define SDS_MAX_PREALLOC (1024*1024)
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extern const char *SDS_NOINIT;
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#include <sys/types.h>
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#include <stdarg.h>
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#include <stdint.h>
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typedef char *sds;
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/* Note: sdshdr5 is never used, we just access the flags byte directly.
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* However is here to document the layout of type 5 SDS strings. */
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struct __attribute__ ((__packed__)) sdshdr5 {
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unsigned char flags; /* 3 lsb of type, and 5 msb of string length */
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char buf[];
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};
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struct __attribute__ ((__packed__)) sdshdr8 {
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uint8_t len; /* used */
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uint8_t alloc; /* excluding the header and null terminator */
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unsigned char flags; /* 3 lsb of type, 5 unused bits */
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char buf[];
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};
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struct __attribute__ ((__packed__)) sdshdr16 {
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uint16_t len; /* used */
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uint16_t alloc; /* excluding the header and null terminator */
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unsigned char flags; /* 3 lsb of type, 5 unused bits */
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char buf[];
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};
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struct __attribute__ ((__packed__)) sdshdr32 {
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uint32_t len; /* used */
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uint32_t alloc; /* excluding the header and null terminator */
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unsigned char flags; /* 3 lsb of type, 5 unused bits */
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char buf[];
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};
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struct __attribute__ ((__packed__)) sdshdr64 {
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uint64_t len; /* used */
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uint64_t alloc; /* excluding the header and null terminator */
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unsigned char flags; /* 3 lsb of type, 5 unused bits */
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char buf[];
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};
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#define SDS_TYPE_5 0
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#define SDS_TYPE_8 1
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#define SDS_TYPE_16 2
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#define SDS_TYPE_32 3
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#define SDS_TYPE_64 4
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#define SDS_TYPE_MASK 7
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#define SDS_TYPE_BITS 3
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#define SDS_HDR_VAR(T,s) struct sdshdr##T *sh = (void*)((s)-(sizeof(struct sdshdr##T)));
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#define SDS_HDR(T,s) ((struct sdshdr##T *)((s)-(sizeof(struct sdshdr##T))))
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#define SDS_TYPE_5_LEN(f) ((f)>>SDS_TYPE_BITS)
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static inline size_t sdslen(const sds s) {
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unsigned char flags = s[-1];
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switch(flags&SDS_TYPE_MASK) {
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case SDS_TYPE_5:
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return SDS_TYPE_5_LEN(flags);
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case SDS_TYPE_8:
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return SDS_HDR(8,s)->len;
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case SDS_TYPE_16:
|
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return SDS_HDR(16,s)->len;
|
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case SDS_TYPE_32:
|
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return SDS_HDR(32,s)->len;
|
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case SDS_TYPE_64:
|
||||
return SDS_HDR(64,s)->len;
|
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}
|
||||
return 0;
|
||||
}
|
||||
|
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static inline size_t sdsavail(const sds s) {
|
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unsigned char flags = s[-1];
|
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switch(flags&SDS_TYPE_MASK) {
|
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case SDS_TYPE_5: {
|
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return 0;
|
||||
}
|
||||
case SDS_TYPE_8: {
|
||||
SDS_HDR_VAR(8,s);
|
||||
return sh->alloc - sh->len;
|
||||
}
|
||||
case SDS_TYPE_16: {
|
||||
SDS_HDR_VAR(16,s);
|
||||
return sh->alloc - sh->len;
|
||||
}
|
||||
case SDS_TYPE_32: {
|
||||
SDS_HDR_VAR(32,s);
|
||||
return sh->alloc - sh->len;
|
||||
}
|
||||
case SDS_TYPE_64: {
|
||||
SDS_HDR_VAR(64,s);
|
||||
return sh->alloc - sh->len;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline void sdssetlen(sds s, size_t newlen) {
|
||||
unsigned char flags = s[-1];
|
||||
switch(flags&SDS_TYPE_MASK) {
|
||||
case SDS_TYPE_5:
|
||||
{
|
||||
unsigned char *fp = ((unsigned char*)s)-1;
|
||||
*fp = SDS_TYPE_5 | (newlen << SDS_TYPE_BITS);
|
||||
}
|
||||
break;
|
||||
case SDS_TYPE_8:
|
||||
SDS_HDR(8,s)->len = newlen;
|
||||
break;
|
||||
case SDS_TYPE_16:
|
||||
SDS_HDR(16,s)->len = newlen;
|
||||
break;
|
||||
case SDS_TYPE_32:
|
||||
SDS_HDR(32,s)->len = newlen;
|
||||
break;
|
||||
case SDS_TYPE_64:
|
||||
SDS_HDR(64,s)->len = newlen;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static inline void sdsinclen(sds s, size_t inc) {
|
||||
unsigned char flags = s[-1];
|
||||
switch(flags&SDS_TYPE_MASK) {
|
||||
case SDS_TYPE_5:
|
||||
{
|
||||
unsigned char *fp = ((unsigned char*)s)-1;
|
||||
unsigned char newlen = SDS_TYPE_5_LEN(flags)+inc;
|
||||
*fp = SDS_TYPE_5 | (newlen << SDS_TYPE_BITS);
|
||||
}
|
||||
break;
|
||||
case SDS_TYPE_8:
|
||||
SDS_HDR(8,s)->len += inc;
|
||||
break;
|
||||
case SDS_TYPE_16:
|
||||
SDS_HDR(16,s)->len += inc;
|
||||
break;
|
||||
case SDS_TYPE_32:
|
||||
SDS_HDR(32,s)->len += inc;
|
||||
break;
|
||||
case SDS_TYPE_64:
|
||||
SDS_HDR(64,s)->len += inc;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* sdsalloc() = sdsavail() + sdslen() */
|
||||
static inline size_t sdsalloc(const sds s) {
|
||||
unsigned char flags = s[-1];
|
||||
switch(flags&SDS_TYPE_MASK) {
|
||||
case SDS_TYPE_5:
|
||||
return SDS_TYPE_5_LEN(flags);
|
||||
case SDS_TYPE_8:
|
||||
return SDS_HDR(8,s)->alloc;
|
||||
case SDS_TYPE_16:
|
||||
return SDS_HDR(16,s)->alloc;
|
||||
case SDS_TYPE_32:
|
||||
return SDS_HDR(32,s)->alloc;
|
||||
case SDS_TYPE_64:
|
||||
return SDS_HDR(64,s)->alloc;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline void sdssetalloc(sds s, size_t newlen) {
|
||||
unsigned char flags = s[-1];
|
||||
switch(flags&SDS_TYPE_MASK) {
|
||||
case SDS_TYPE_5:
|
||||
/* Nothing to do, this type has no total allocation info. */
|
||||
break;
|
||||
case SDS_TYPE_8:
|
||||
SDS_HDR(8,s)->alloc = newlen;
|
||||
break;
|
||||
case SDS_TYPE_16:
|
||||
SDS_HDR(16,s)->alloc = newlen;
|
||||
break;
|
||||
case SDS_TYPE_32:
|
||||
SDS_HDR(32,s)->alloc = newlen;
|
||||
break;
|
||||
case SDS_TYPE_64:
|
||||
SDS_HDR(64,s)->alloc = newlen;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
sds sdsnewlen(const void *init, size_t initlen);
|
||||
sds sdsnew(const char *init);
|
||||
sds sdsempty(void);
|
||||
sds sdsdup(const sds s);
|
||||
void sdsfree(sds s);
|
||||
sds sdsgrowzero(sds s, size_t len);
|
||||
sds sdscatlen(sds s, const void *t, size_t len);
|
||||
sds sdscat(sds s, const char *t);
|
||||
sds sdscatsds(sds s, const sds t);
|
||||
sds sdscpylen(sds s, const char *t, size_t len);
|
||||
sds sdscpy(sds s, const char *t);
|
||||
|
||||
sds sdscatvprintf(sds s, const char *fmt, va_list ap);
|
||||
#ifdef __GNUC__
|
||||
sds sdscatprintf(sds s, const char *fmt, ...)
|
||||
__attribute__((format(printf, 2, 3)));
|
||||
#else
|
||||
sds sdscatprintf(sds s, const char *fmt, ...);
|
||||
#endif
|
||||
|
||||
sds sdscatfmt(sds s, char const *fmt, ...);
|
||||
sds sdstrim(sds s, const char *cset);
|
||||
void sdsrange(sds s, ssize_t start, ssize_t end);
|
||||
void sdsupdatelen(sds s);
|
||||
void sdsclear(sds s);
|
||||
int sdscmp(const sds s1, const sds s2);
|
||||
sds *sdssplitlen(const char *s, ssize_t len, const char *sep, int seplen, int *count);
|
||||
void sdsfreesplitres(sds *tokens, int count);
|
||||
void sdstolower(sds s);
|
||||
void sdstoupper(sds s);
|
||||
sds sdsfromlonglong(long long value);
|
||||
sds sdscatrepr(sds s, const char *p, size_t len);
|
||||
sds *sdssplitargs(const char *line, int *argc);
|
||||
sds sdsmapchars(sds s, const char *from, const char *to, size_t setlen);
|
||||
sds sdsjoin(char **argv, int argc, char *sep);
|
||||
sds sdsjoinsds(sds *argv, int argc, const char *sep, size_t seplen);
|
||||
|
||||
/* Low level functions exposed to the user API */
|
||||
sds sdsMakeRoomFor(sds s, size_t addlen);
|
||||
void sdsIncrLen(sds s, ssize_t incr);
|
||||
sds sdsRemoveFreeSpace(sds s);
|
||||
size_t sdsAllocSize(sds s);
|
||||
void *sdsAllocPtr(sds s);
|
||||
|
||||
/* Export the allocator used by SDS to the program using SDS.
|
||||
* Sometimes the program SDS is linked to, may use a different set of
|
||||
* allocators, but may want to allocate or free things that SDS will
|
||||
* respectively free or allocate. */
|
||||
void *sds_malloc(size_t size);
|
||||
void *sds_realloc(void *ptr, size_t size);
|
||||
void sds_free(void *ptr);
|
||||
|
||||
#ifdef REDIS_TEST
|
||||
int sdsTest(int argc, char *argv[]);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
42
source/sdsalloc.h
Normal file
42
source/sdsalloc.h
Normal file
@ -0,0 +1,42 @@
|
||||
/* SDSLib 2.0 -- A C dynamic strings library
|
||||
*
|
||||
* Copyright (c) 2006-2015, Salvatore Sanfilippo <antirez at gmail dot com>
|
||||
* Copyright (c) 2015, Oran Agra
|
||||
* Copyright (c) 2015, Redis Labs, Inc
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of Redis nor the names of its contributors may be used
|
||||
* to endorse or promote products derived from this software without
|
||||
* specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/* SDS allocator selection.
|
||||
*
|
||||
* This file is used in order to change the SDS allocator at compile time.
|
||||
* Just define the following defines to what you want to use. Also add
|
||||
* the include of your alternate allocator if needed (not needed in order
|
||||
* to use the default libc allocator). */
|
||||
|
||||
#define s_malloc malloc
|
||||
#define s_realloc realloc
|
||||
#define s_free free
|
||||
Loading…
Reference in New Issue
Block a user