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Simplify string manipulation code, use more standard library functions.

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This commit is contained in:
Nick Lewycky
2021-02-15 01:19:34 -08:00
parent 0157016b4f
commit 2592094fd1
1 changed files with 9 additions and 22 deletions
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31
lib/cli/src/commands/wasmer_create_exe_main.c
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@@ -4,6 +4,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define own
@@ -20,36 +21,22 @@ static void print_wasmer_error() {
}
#ifdef WASI
static int find_colon(char *string) {
int colon_location = 0;
for (int j = 0; j < strlen(string); ++j) {
if (string[j] == ':') {
colon_location = j;
break;
}
}
return colon_location;
}
static void pass_mapdir_arg(wasi_config_t *wasi_config, char *mapdir) {
int colon_location = find_colon(mapdir);
int colon_location = strchr(mapdir, ':') - mapdir;
if (colon_location == 0) {
// error malformed argument
fprintf(stderr, "Expected mapdir argument of the form alias:directory\n");
exit(-1);
}
int dir_len = strlen(mapdir) - colon_location;
char *alias = (char *)malloc(colon_location + 1);
memcpy(alias, mapdir, colon_location);
alias[colon_location] = '\0';
int dir_len = strlen(mapdir) - colon_location;
char *dir = (char *)malloc(dir_len + 1);
int j = 0;
for (j = 0; j < colon_location; ++j) {
alias[j] = mapdir[j];
}
alias[j] = 0;
for (j = 0; j < dir_len; ++j) {
dir[j] = mapdir[j + colon_location + 1];
}
dir[j] = 0;
memcpy(dir, &mapdir[colon_location + 1], dir_len);
dir[dir_len] = '\0';
wasi_config_mapdir(wasi_config, alias, dir);
free(alias);